Add the new go app

CLAUDE.md

@@ -0,0 +1,122 @@
+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Application Overview
+
+CMC Sales is a B2B sales management system for CMC Technologies. The codebase consists of:
+
+- **Legacy CakePHP 1.2.5 application** (2008-era) - Primary business logic
+- **Modern Go API** (in `/go-app/`) - New development using sqlc and Gorilla Mux
+
+**Note**: Documentation also references a Django application that is not present in the current codebase.
+
+## Development Commands
+
+### Docker Development
+```bash
+# Start all services (both CakePHP and Go applications)
+docker compose up
+
+# Start specific services
+docker compose up cmc-php    # CakePHP app only
+docker compose up cmc-go     # Go app only
+docker compose up db         # Database only
+
+# Restore database from backup (get backups via rsync first)
+rsync -avz --progress cmc@sales.cmctechnologies.com.au:~/backups .
+gunzip < backups/backup_*.sql.gz | mariadb -h 127.0.0.1 -u cmc -p cmc
+
+# Access development sites (add to /etc/hosts: 127.0.0.1 cmclocal)
+# http://cmclocal (CakePHP legacy app via nginx)
+# http://localhost:8080 (Go modern app direct access)
+```
+
+### Testing
+```bash
+# CakePHP has minimal test coverage
+# Test files located in /app/tests/
+# Uses SimpleTest framework
+```
+
+### Go Application Development
+```bash
+# Navigate to Go app directory
+cd go-app
+
+# Configure private module access (first time only)
+go env -w GOPRIVATE=code.springupsoftware.com
+
+# Install dependencies and sqlc
+make install
+
+# Generate sqlc code from SQL queries
+make sqlc
+
+# Run the Go server locally
+make run
+
+# Run tests
+make test
+
+# Build binary
+make build
+```
+
+## Architecture
+
+### CakePHP Application (Legacy)
+- **Framework**: CakePHP 1.2.5 (MVC pattern)
+- **PHP Version**: PHP 5 (Ubuntu Lucid 10.04 container)
+- **Location**: `/app/`
+- **Key Directories**:
+  - `app/models/` - ActiveRecord models
+  - `app/controllers/` - Request handlers  
+  - `app/views/` - Templates (.ctp files)
+  - `app/config/` - Configuration including database.php
+  - `app/vendors/` - Third-party libraries (TCPDF for PDFs, PHPExcel)
+  - `app/webroot/` - Public assets and file uploads
+
+### Go Application (Modern)
+- **Framework**: Gorilla Mux (HTTP router)
+- **Database**: sqlc for type-safe SQL queries
+- **Location**: `/go-app/`
+- **Structure**:
+  - `cmd/server/` - Main application entry point
+  - `internal/cmc/handlers/` - HTTP request handlers
+  - `internal/cmc/db/` - Generated sqlc code
+  - `sql/queries/` - SQL query definitions
+  - `sql/schema/` - Database schema
+- **API Base Path**: `/api/v1`
+
+### Database
+- **Engine**: MariaDB
+- **Host**: `db` (Docker service) or `127.0.0.1` locally
+- **Name**: `cmc`
+- **User**: `cmc`
+- **Password**: `xVRQI&cA?7AU=hqJ!%au` (hardcoded in `app/config/database.php`)
+
+## Key Business Entities
+
+- **Customers** - Client companies with ABN validation
+- **Purchase Orders** - Orders with suppliers (revision tracking enabled)
+- **Quotes** - Customer price quotations
+- **Invoices** - Billing documents
+- **Products** - Catalog with categories and options
+- **Shipments** - Logistics and freight management
+- **Jobs** - Project tracking
+- **Documents** - PDF generation via TCPDF
+- **Emails** - Correspondence tracking
+
+## File Storage
+
+- **PDF files**: `/app/webroot/pdf/` (mounted volume)
+- **Attachments**: `/app/webroot/attachments_files/` (mounted volume)
+
+## Critical Considerations
+
+- **Security**: Running on extremely outdated Ubuntu Lucid (10.04) with PHP 5
+- **Database Changes**: Exercise caution - the database may be shared with other applications
+- **CakePHP Conventions**: Uses 2008-era patterns and practices
+- **Authentication**: Basic auth configured via `userpasswd` file
+- **PDF Generation**: Uses TCPDF library in `/app/vendors/tcpdf/`

Dockerfile.go

@@ -0,0 +1,50 @@
+# Build stage
+FROM golang:1.23-alpine AS builder
+
+# Install build dependencies
+RUN apk add --no-cache git
+
+# Set working directory
+WORKDIR /app
+
+# Copy go mod files
+COPY go-app/go.mod go-app/go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy source code
+COPY go-app/ .
+
+# Install sqlc (compatible with Go 1.23+)
+RUN go install github.com/sqlc-dev/sqlc/cmd/sqlc@latest
+
+# Generate sqlc code
+RUN sqlc generate
+
+# Build the application
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o server cmd/server/main.go
+
+# Runtime stage
+FROM alpine:latest
+
+# Install runtime dependencies
+RUN apk --no-cache add ca-certificates
+
+WORKDIR /root/
+
+# Copy the binary from builder
+COPY --from=builder /app/server .
+
+# Copy templates and static files
+COPY go-app/templates ./templates
+COPY go-app/static ./static
+
+# Copy .env file if needed
+COPY go-app/.env.example .env
+
+# Expose port
+EXPOSE 8080
+
+# Run the application
+CMD ["./server"]

README.md

@@ -1,22 +1,50 @@
 # cmc-sales
 
-## Development Docker compose instructions
+## Development Setup
+
+CMC Sales now runs both legacy CakePHP and modern Go applications side by side.
+
+### Quick Start
 
 ``` shell
 git clone git@code.springupsoftware.com:cmc/cmc-sales.git
 cd cmc-sales
+
+# Easy way - use the setup script
+./start-development.sh
+
+# Manual way
 rsync -avz --progress cmc@sales.cmctechnologies.com.au:~/backups .
-docker compose up
+docker compose up --build
-# DB password is in config/database.php because..reasons. 
-# TODO move it to an environment var and rotate it..
 gunzip < backups/backup_*.sql.gz | mariadb -h 127.0.0.1 -u cmc -p cmc
-
-# edit your dev machine /etc/hosts and add
-127.0.0.1	cmclocal
-
-# open up cmclocal in your browser.. hopefully it'll work.
 ```
 
+### Access Applications
+
+**Add to /etc/hosts:**
+```
+127.0.0.1	cmclocal
+```
+
+**Application URLs:**
+- **CakePHP (Legacy)**: http://cmclocal - Original CakePHP 1.2.5 application
+- **Go (Modern)**: http://localhost:8080 - New Go application with HTMX frontend
+- **Database**: localhost:3306 (user: `cmc`, password: see `app/config/database.php`)
+
+### Architecture
+
+- **cmc-php**: Legacy CakePHP application (nginx proxied)
+- **cmc-go**: Modern Go application (direct access on port 8080)
+- **db**: Shared MariaDB database
+- **nginx**: Reverse proxy for CakePHP app
+
+Both applications share the same database, allowing for gradual migration.
+
+### Requirements
+
+- **Go Application**: Requires Go 1.23+ (for latest sqlc)
+  - Alternative: Use `Dockerfile.go.legacy` with Go 1.21 and sqlc v1.26.0
+
 
 ## Install a new server
 

conf/nginx-site.conf

@@ -3,8 +3,12 @@ server {
         auth_basic_user_file /etc/nginx/userpasswd;
         auth_basic "Restricted";
         location / {
-             proxy_pass http://cmc:80;
+             proxy_pass http://cmc-php:80;
              proxy_read_timeout 300s;
+             proxy_set_header Host $host;
+             proxy_set_header X-Real-IP $remote_addr;
+             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+             proxy_set_header X-Forwarded-Proto $scheme;
         }
 
     listen 0.0.0.0:80;

docker-compose.yml

@@ -3,21 +3,22 @@ services:
     image: nginx:latest
     hostname: nginx
     ports:
-      - "80:80" # Expose HTTP traffic
+      - "80:80"     # CakePHP app (cmclocal)
     volumes:
       - ./conf/nginx-site.conf:/etc/nginx/conf.d/cmc.conf
-    # todo setup site config.
       - ./userpasswd:/etc/nginx/userpasswd:ro
+    depends_on:
+      - cmc-php
     restart: unless-stopped
     networks:
       - cmc-network
 
-  cmc:
+  cmc-php:
     build:
       context: .
       dockerfile: Dockerfile
     platform: linux/amd64
-   
+    container_name: cmc-php
     depends_on:
       - db
     volumes:
@@ -25,6 +26,7 @@ services:
       - ./app/webroot/attachments_files:/var/www/cmc-sales/app/webroot/attachments_files
     networks:
       - cmc-network
+    restart: unless-stopped
     develop:
       watch:
       - action: rebuild
@@ -32,32 +34,6 @@ services:
         ignore:
         - ./app/webroot
 
-  cmc-django: # Renamed service for clarity (optional, but good practice)
-      build: # Added build section
-        context: ./cmc-django # Path to the directory containing the Dockerfile
-        dockerfile: Dockerfile # Name of the Dockerfile
-      platform: linux/amd64 # Keep platform if needed for compatibility
-      container_name: cmc-django-web # Optional: Keep or change container name
-      command: uv run python cmcsales/manage.py runserver 0.0.0.0:8888 # Add command if needed
-      volumes:
-        - ./cmc-django:/app # Mount the Django project directory
-        # Keep other necessary volumes if they exist outside ./cmc-django
-        # Example: - ./app/webroot/pdf:/app/webroot/pdf # Adjust path if needed
-        # Example: - ./app/webroot/attachments_files:/app/webroot/attachments_files # Adjust path if needed
-      ports: # Add ports if the Django app needs to be accessed directly
-        - "8888:8888"
-      environment: # Add environment variables needed by Django
-        DJANGO_SETTINGS_MODULE: cmcsales.settings
-        DATABASE_HOST: db
-        DATABASE_PORT: 3306
-        DATABASE_NAME: cmc
-        DATABASE_USER: cmc
-        DATABASE_PASSWORD: xVRQI&cA?7AU=hqJ!%au
-      depends_on:
-        - db
-      networks:
-        - cmc-network
-
   db:
     image: mariadb:latest
     container_name: cmc-db
@@ -73,6 +49,34 @@ services:
     networks:
       - cmc-network
 
+  cmc-go:
+    build:
+      context: .
+      dockerfile: Dockerfile.go
+    container_name: cmc-go
+    environment:
+      DB_HOST: db
+      DB_PORT: 3306
+      DB_USER: cmc
+      DB_PASSWORD: xVRQI&cA?7AU=hqJ!%au
+      DB_NAME: cmc
+      PORT: 8080
+    depends_on:
+      db:
+        condition: service_started
+    ports:
+      - "8080:8080"
+    networks:
+      - cmc-network
+    restart: unless-stopped
+    develop:
+      watch:
+      - action: rebuild
+        path: ./go-app
+        ignore:
+        - ./go-app/bin
+        - ./go-app/.env
+
 volumes:
   db_data:
 

go-app/.env.example

@@ -0,0 +1,9 @@
+# Database configuration
+DB_HOST=localhost
+DB_PORT=3306
+DB_USER=cmc
+DB_PASSWORD=xVRQI&cA?7AU=hqJ!%au
+DB_NAME=cmc
+
+# Server configuration
+PORT=8080

go-app/.gitignore

@@ -0,0 +1,33 @@
+# Binaries
+bin/
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool
+*.out
+
+# Go vendor directory
+vendor/
+
+# Environment files
+.env
+
+# Generated sqlc files (optional - you may want to commit these)
+# internal/cmc/db/*.go
+
+# IDE specific files
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# OS specific files
+.DS_Store
+Thumbs.db

go-app/Makefile

@@ -0,0 +1,46 @@
+.PHONY: help
+help: ## Show this help message
+	@echo 'Usage: make [target]'
+	@echo ''
+	@echo 'Targets:'
+	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
+
+.PHONY: install
+install: ## Install dependencies
+	@echo "Setting up private module configuration..."
+	go env -w GOPRIVATE=code.springupsoftware.com
+	go mod download
+	go install github.com/sqlc-dev/sqlc/cmd/sqlc@latest
+
+.PHONY: sqlc
+sqlc: ## Generate Go code from SQL queries
+	sqlc generate
+
+.PHONY: build
+build: sqlc ## Build the application
+	go build -o bin/server cmd/server/main.go
+
+.PHONY: run
+run: ## Run the application
+	go run cmd/server/main.go
+
+.PHONY: dev
+dev: sqlc ## Run the application with hot reload (requires air)
+	air
+
+.PHONY: test
+test: ## Run tests
+	go test -v ./...
+
+.PHONY: clean
+clean: ## Clean build artifacts
+	rm -rf bin/
+	rm -rf internal/cmc/db/*.go
+
+.PHONY: docker-build
+docker-build: ## Build Docker image
+	docker build -t cmc-go:latest -f Dockerfile.go .
+
+.PHONY: docker-run
+docker-run: ## Run application in Docker
+	docker run --rm -p 8080:8080 --network=host cmc-go:latest

go-app/README.md

@@ -0,0 +1,123 @@
+# CMC Sales Go Application
+
+Modern Go web application for CMC Sales system, designed to work alongside the legacy CakePHP application.
+
+## Architecture
+
+- **Backend**: Go with Gorilla Mux for HTTP routing
+- **Database**: sqlc for type-safe SQL queries  
+- **Frontend**: Go templates with HTMX for dynamic interactions
+- **Styling**: Bulma CSS framework
+- **Database Driver**: MySQL/MariaDB
+
+## Quick Start
+
+### Local Development
+
+1. Configure private module access (required for code.springupsoftware.com):
+```bash
+go env -w GOPRIVATE=code.springupsoftware.com
+# If using SSH keys with git:
+git config --global url."git@code.springupsoftware.com:".insteadOf "https://code.springupsoftware.com/"
+```
+
+2. Install dependencies:
+```bash
+make install
+```
+
+3. Copy environment variables:
+```bash
+cp .env.example .env
+```
+
+4. Generate sqlc code:
+```bash
+make sqlc
+```
+
+5. Run the server:
+```bash
+make run
+```
+
+### Docker Development
+
+From the project root:
+```bash
+# Standard build (requires Go 1.23+)
+docker compose up cmc-go
+
+# If you encounter Go version issues, use the legacy build:
+# Edit docker-compose.yml to use: dockerfile: Dockerfile.go.legacy
+```
+
+## Web Interface
+
+The application provides a modern web interface accessible at:
+- **Home**: `/` - Dashboard with quick links
+- **Customers**: `/customers` - Customer management interface
+- **Products**: `/products` - Product catalog management
+- **Purchase Orders**: `/purchase-orders` - Order tracking
+
+### Features
+
+- **Real-time search** with HTMX
+- **Responsive design** with Bulma CSS
+- **Form validation** and error handling
+- **Pagination** for large datasets
+- **CRUD operations** with dynamic updates
+
+## API Endpoints
+
+REST API endpoints are available under `/api/v1`:
+
+### Customers
+- `GET /api/v1/customers` - List customers (JSON)
+- `GET /api/v1/customers/{id}` - Get customer by ID
+- `POST /api/v1/customers` - Create new customer
+- `PUT /api/v1/customers/{id}` - Update customer
+- `DELETE /api/v1/customers/{id}` - Delete customer
+- `GET /api/v1/customers/search?q={query}` - Search customers
+
+### Products
+- `GET /api/v1/products` - List products (JSON)
+- `GET /api/v1/products/{id}` - Get product by ID
+- `POST /api/v1/products` - Create new product
+- `PUT /api/v1/products/{id}` - Update product
+- `DELETE /api/v1/products/{id}` - Delete product
+- `GET /api/v1/products/search?q={query}` - Search products
+
+### Purchase Orders
+- `GET /api/v1/purchase-orders` - List purchase orders (JSON)
+- `GET /api/v1/purchase-orders/{id}` - Get purchase order by ID
+- `POST /api/v1/purchase-orders` - Create new purchase order
+- `PUT /api/v1/purchase-orders/{id}` - Update purchase order
+- `DELETE /api/v1/purchase-orders/{id}` - Delete purchase order
+- `GET /api/v1/purchase-orders/search?q={query}` - Search purchase orders
+
+### Health Check
+- `GET /api/v1/health` - Service health check
+
+## Development
+
+### Adding New Queries
+
+1. Add SQL queries to `sql/queries/`
+2. Run `make sqlc` to generate Go code
+3. Create handler in `internal/cmc/handlers/`
+4. Register routes in `cmd/server/main.go`
+
+### Testing
+
+```bash
+make test
+```
+
+### Building
+
+```bash
+make build
+```
+
+The binary will be output to `bin/server`

go-app/cmd/server/main.go

@@ -0,0 +1,176 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+
+	"code.springupsoftware.com/cmc/cmc-sales/internal/cmc/db"
+	"code.springupsoftware.com/cmc/cmc-sales/internal/cmc/handlers"
+	"code.springupsoftware.com/cmc/cmc-sales/internal/cmc/templates"
+	_ "github.com/go-sql-driver/mysql"
+	"github.com/gorilla/mux"
+	"github.com/joho/godotenv"
+)
+
+func main() {
+	// Load environment variables
+	if err := godotenv.Load(); err != nil {
+		log.Println("No .env file found")
+	}
+
+	// Database configuration
+	dbHost := getEnv("DB_HOST", "localhost")
+	dbPort := getEnv("DB_PORT", "3306")
+	dbUser := getEnv("DB_USER", "cmc")
+	dbPass := getEnv("DB_PASSWORD", "xVRQI&cA?7AU=hqJ!%au")
+	dbName := getEnv("DB_NAME", "cmc")
+
+	// Connect to database
+	dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?parseTime=true", dbUser, dbPass, dbHost, dbPort, dbName)
+	database, err := sql.Open("mysql", dsn)
+	if err != nil {
+		log.Fatal("Failed to connect to database:", err)
+	}
+	defer database.Close()
+
+	// Test database connection
+	if err := database.Ping(); err != nil {
+		log.Fatal("Failed to ping database:", err)
+	}
+
+	log.Println("Connected to database successfully")
+
+	// Create queries instance
+	queries := db.New(database)
+
+	// Initialize template manager
+	tmpl, err := templates.NewTemplateManager("templates")
+	if err != nil {
+		log.Fatal("Failed to initialize templates:", err)
+	}
+
+	// Create handlers
+	customerHandler := handlers.NewCustomerHandler(queries)
+	productHandler := handlers.NewProductHandler(queries)
+	purchaseOrderHandler := handlers.NewPurchaseOrderHandler(queries)
+	enquiryHandler := handlers.NewEnquiryHandler(queries)
+	pageHandler := handlers.NewPageHandler(queries, tmpl)
+
+	// Setup routes
+	r := mux.NewRouter()
+	
+	// Static files
+	r.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir("static"))))
+	
+	// API routes
+	api := r.PathPrefix("/api/v1").Subrouter()
+
+	// Customer routes
+	api.HandleFunc("/customers", customerHandler.List).Methods("GET")
+	api.HandleFunc("/customers", customerHandler.Create).Methods("POST")
+	api.HandleFunc("/customers/{id}", customerHandler.Get).Methods("GET")
+	api.HandleFunc("/customers/{id}", customerHandler.Update).Methods("PUT")
+	api.HandleFunc("/customers/{id}", customerHandler.Delete).Methods("DELETE")
+	api.HandleFunc("/customers/search", customerHandler.Search).Methods("GET")
+
+	// Product routes
+	api.HandleFunc("/products", productHandler.List).Methods("GET")
+	api.HandleFunc("/products", productHandler.Create).Methods("POST")
+	api.HandleFunc("/products/{id}", productHandler.Get).Methods("GET")
+	api.HandleFunc("/products/{id}", productHandler.Update).Methods("PUT")
+	api.HandleFunc("/products/{id}", productHandler.Delete).Methods("DELETE")
+	api.HandleFunc("/products/search", productHandler.Search).Methods("GET")
+
+	// Purchase Order routes
+	api.HandleFunc("/purchase-orders", purchaseOrderHandler.List).Methods("GET")
+	api.HandleFunc("/purchase-orders", purchaseOrderHandler.Create).Methods("POST")
+	api.HandleFunc("/purchase-orders/{id}", purchaseOrderHandler.Get).Methods("GET")
+	api.HandleFunc("/purchase-orders/{id}", purchaseOrderHandler.Update).Methods("PUT")
+	api.HandleFunc("/purchase-orders/{id}", purchaseOrderHandler.Delete).Methods("DELETE")
+	api.HandleFunc("/purchase-orders/search", purchaseOrderHandler.Search).Methods("GET")
+
+	// Enquiry routes
+	api.HandleFunc("/enquiries", enquiryHandler.List).Methods("GET")
+	api.HandleFunc("/enquiries", enquiryHandler.Create).Methods("POST")
+	api.HandleFunc("/enquiries/{id}", enquiryHandler.Get).Methods("GET")
+	api.HandleFunc("/enquiries/{id}", enquiryHandler.Update).Methods("PUT")
+	api.HandleFunc("/enquiries/{id}", enquiryHandler.Delete).Methods("DELETE")
+	api.HandleFunc("/enquiries/{id}/undelete", enquiryHandler.Undelete).Methods("PUT")
+	api.HandleFunc("/enquiries/{id}/status", enquiryHandler.UpdateStatus).Methods("PUT")
+	api.HandleFunc("/enquiries/{id}/mark-submitted", enquiryHandler.MarkSubmitted).Methods("PUT")
+	api.HandleFunc("/enquiries/search", enquiryHandler.Search).Methods("GET")
+
+	// Health check
+	api.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte(`{"status":"ok"}`))
+	}).Methods("GET")
+
+	// Page routes
+	r.HandleFunc("/", pageHandler.Home).Methods("GET")
+	
+	// Customer pages
+	r.HandleFunc("/customers", pageHandler.CustomersIndex).Methods("GET")
+	r.HandleFunc("/customers/new", pageHandler.CustomersNew).Methods("GET")
+	r.HandleFunc("/customers/search", pageHandler.CustomersSearch).Methods("GET")
+	r.HandleFunc("/customers/{id}", pageHandler.CustomersShow).Methods("GET")
+	r.HandleFunc("/customers/{id}/edit", pageHandler.CustomersEdit).Methods("GET")
+	
+	// Product pages
+	r.HandleFunc("/products", pageHandler.ProductsIndex).Methods("GET")
+	r.HandleFunc("/products/new", pageHandler.ProductsNew).Methods("GET")
+	r.HandleFunc("/products/search", pageHandler.ProductsSearch).Methods("GET")
+	r.HandleFunc("/products/{id}", pageHandler.ProductsShow).Methods("GET")
+	r.HandleFunc("/products/{id}/edit", pageHandler.ProductsEdit).Methods("GET")
+	
+	// Purchase Order pages
+	r.HandleFunc("/purchase-orders", pageHandler.PurchaseOrdersIndex).Methods("GET")
+	r.HandleFunc("/purchase-orders/new", pageHandler.PurchaseOrdersNew).Methods("GET")
+	r.HandleFunc("/purchase-orders/search", pageHandler.PurchaseOrdersSearch).Methods("GET")
+	r.HandleFunc("/purchase-orders/{id}", pageHandler.PurchaseOrdersShow).Methods("GET")
+	r.HandleFunc("/purchase-orders/{id}/edit", pageHandler.PurchaseOrdersEdit).Methods("GET")
+	
+	// Enquiry pages
+	r.HandleFunc("/enquiries", pageHandler.EnquiriesIndex).Methods("GET")
+	r.HandleFunc("/enquiries/new", pageHandler.EnquiriesNew).Methods("GET")
+	r.HandleFunc("/enquiries/search", pageHandler.EnquiriesSearch).Methods("GET")
+	r.HandleFunc("/enquiries/{id}", pageHandler.EnquiriesShow).Methods("GET")
+	r.HandleFunc("/enquiries/{id}/edit", pageHandler.EnquiriesEdit).Methods("GET")
+
+	// HTMX endpoints
+	r.HandleFunc("/customers", customerHandler.Create).Methods("POST")
+	r.HandleFunc("/customers/{id}", customerHandler.Update).Methods("PUT")
+	r.HandleFunc("/customers/{id}", customerHandler.Delete).Methods("DELETE")
+	
+	r.HandleFunc("/products", productHandler.Create).Methods("POST")
+	r.HandleFunc("/products/{id}", productHandler.Update).Methods("PUT")
+	r.HandleFunc("/products/{id}", productHandler.Delete).Methods("DELETE")
+	
+	r.HandleFunc("/purchase-orders", purchaseOrderHandler.Create).Methods("POST")
+	r.HandleFunc("/purchase-orders/{id}", purchaseOrderHandler.Update).Methods("PUT")
+	r.HandleFunc("/purchase-orders/{id}", purchaseOrderHandler.Delete).Methods("DELETE")
+	
+	r.HandleFunc("/enquiries", enquiryHandler.Create).Methods("POST")
+	r.HandleFunc("/enquiries/{id}", enquiryHandler.Update).Methods("PUT")
+	r.HandleFunc("/enquiries/{id}", enquiryHandler.Delete).Methods("DELETE")
+	r.HandleFunc("/enquiries/{id}/undelete", enquiryHandler.Undelete).Methods("PUT")
+	r.HandleFunc("/enquiries/{id}/status", enquiryHandler.UpdateStatus).Methods("PUT")
+	r.HandleFunc("/enquiries/{id}/mark-submitted", enquiryHandler.MarkSubmitted).Methods("PUT")
+
+	// Start server
+	port := getEnv("PORT", "8080")
+	log.Printf("Starting server on port %s", port)
+	if err := http.ListenAndServe(":"+port, r); err != nil {
+		log.Fatal("Failed to start server:", err)
+	}
+}
+
+func getEnv(key, defaultValue string) string {
+	if value := os.Getenv(key); value != "" {
+		return value
+	}
+	return defaultValue
+}

go-app/go.mod

@@ -0,0 +1,9 @@
+module code.springupsoftware.com/cmc/cmc-sales
+
+go 1.23
+
+require (
+	github.com/go-sql-driver/mysql v1.7.1
+	github.com/gorilla/mux v1.8.1
+	github.com/joho/godotenv v1.5.1
+)

go-app/go.sum

@@ -0,0 +1,6 @@
+github.com/go-sql-driver/mysql v1.7.1 h1:lUIinVbN1DY0xBg0eMOzmmtGoHwWBbvnWubQUrtU8EI=
+github.com/go-sql-driver/mysql v1.7.1/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
+github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
+github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=

go-app/internal/cmc/db/customers.sql.go

@@ -0,0 +1,250 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.29.0
+// source: customers.sql
+
+package db
+
+import (
+	"context"
+	"database/sql"
+)
+
+const createCustomer = `-- name: CreateCustomer :execresult
+INSERT INTO customers (
+    name, trading_name, abn, created, notes, 
+    discount_pricing_policies, payment_terms, 
+    customer_category_id, url, country_id
+) VALUES (
+    ?, ?, ?, NOW(), ?, ?, ?, ?, ?, ?
+)
+`
+
+type CreateCustomerParams struct {
+	Name                    string         `json:"name"`
+	TradingName             string         `json:"trading_name"`
+	Abn                     sql.NullString `json:"abn"`
+	Notes                   string         `json:"notes"`
+	DiscountPricingPolicies string         `json:"discount_pricing_policies"`
+	PaymentTerms            string         `json:"payment_terms"`
+	CustomerCategoryID      int32          `json:"customer_category_id"`
+	Url                     string         `json:"url"`
+	CountryID               int32          `json:"country_id"`
+}
+
+func (q *Queries) CreateCustomer(ctx context.Context, arg CreateCustomerParams) (sql.Result, error) {
+	return q.db.ExecContext(ctx, createCustomer,
+		arg.Name,
+		arg.TradingName,
+		arg.Abn,
+		arg.Notes,
+		arg.DiscountPricingPolicies,
+		arg.PaymentTerms,
+		arg.CustomerCategoryID,
+		arg.Url,
+		arg.CountryID,
+	)
+}
+
+const deleteCustomer = `-- name: DeleteCustomer :exec
+DELETE FROM customers
+WHERE id = ?
+`
+
+func (q *Queries) DeleteCustomer(ctx context.Context, id int32) error {
+	_, err := q.db.ExecContext(ctx, deleteCustomer, id)
+	return err
+}
+
+const getCustomer = `-- name: GetCustomer :one
+SELECT id, name, trading_name, abn, created, notes, discount_pricing_policies, payment_terms, customer_category_id, url, country_id FROM customers
+WHERE id = ? LIMIT 1
+`
+
+func (q *Queries) GetCustomer(ctx context.Context, id int32) (Customer, error) {
+	row := q.db.QueryRowContext(ctx, getCustomer, id)
+	var i Customer
+	err := row.Scan(
+		&i.ID,
+		&i.Name,
+		&i.TradingName,
+		&i.Abn,
+		&i.Created,
+		&i.Notes,
+		&i.DiscountPricingPolicies,
+		&i.PaymentTerms,
+		&i.CustomerCategoryID,
+		&i.Url,
+		&i.CountryID,
+	)
+	return i, err
+}
+
+const getCustomerByABN = `-- name: GetCustomerByABN :one
+SELECT id, name, trading_name, abn, created, notes, discount_pricing_policies, payment_terms, customer_category_id, url, country_id FROM customers
+WHERE abn = ?
+LIMIT 1
+`
+
+func (q *Queries) GetCustomerByABN(ctx context.Context, abn sql.NullString) (Customer, error) {
+	row := q.db.QueryRowContext(ctx, getCustomerByABN, abn)
+	var i Customer
+	err := row.Scan(
+		&i.ID,
+		&i.Name,
+		&i.TradingName,
+		&i.Abn,
+		&i.Created,
+		&i.Notes,
+		&i.DiscountPricingPolicies,
+		&i.PaymentTerms,
+		&i.CustomerCategoryID,
+		&i.Url,
+		&i.CountryID,
+	)
+	return i, err
+}
+
+const listCustomers = `-- name: ListCustomers :many
+SELECT id, name, trading_name, abn, created, notes, discount_pricing_policies, payment_terms, customer_category_id, url, country_id FROM customers
+ORDER BY name
+LIMIT ? OFFSET ?
+`
+
+type ListCustomersParams struct {
+	Limit  int32 `json:"limit"`
+	Offset int32 `json:"offset"`
+}
+
+func (q *Queries) ListCustomers(ctx context.Context, arg ListCustomersParams) ([]Customer, error) {
+	rows, err := q.db.QueryContext(ctx, listCustomers, arg.Limit, arg.Offset)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []Customer{}
+	for rows.Next() {
+		var i Customer
+		if err := rows.Scan(
+			&i.ID,
+			&i.Name,
+			&i.TradingName,
+			&i.Abn,
+			&i.Created,
+			&i.Notes,
+			&i.DiscountPricingPolicies,
+			&i.PaymentTerms,
+			&i.CustomerCategoryID,
+			&i.Url,
+			&i.CountryID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const searchCustomersByName = `-- name: SearchCustomersByName :many
+SELECT id, name, trading_name, abn, created, notes, discount_pricing_policies, payment_terms, customer_category_id, url, country_id FROM customers
+WHERE name LIKE CONCAT('%', ?, '%')
+   OR trading_name LIKE CONCAT('%', ?, '%')
+ORDER BY name
+LIMIT ? OFFSET ?
+`
+
+type SearchCustomersByNameParams struct {
+	CONCAT   interface{} `json:"CONCAT"`
+	CONCAT_2 interface{} `json:"CONCAT_2"`
+	Limit    int32       `json:"limit"`
+	Offset   int32       `json:"offset"`
+}
+
+func (q *Queries) SearchCustomersByName(ctx context.Context, arg SearchCustomersByNameParams) ([]Customer, error) {
+	rows, err := q.db.QueryContext(ctx, searchCustomersByName,
+		arg.CONCAT,
+		arg.CONCAT_2,
+		arg.Limit,
+		arg.Offset,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []Customer{}
+	for rows.Next() {
+		var i Customer
+		if err := rows.Scan(
+			&i.ID,
+			&i.Name,
+			&i.TradingName,
+			&i.Abn,
+			&i.Created,
+			&i.Notes,
+			&i.DiscountPricingPolicies,
+			&i.PaymentTerms,
+			&i.CustomerCategoryID,
+			&i.Url,
+			&i.CountryID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const updateCustomer = `-- name: UpdateCustomer :exec
+UPDATE customers
+SET name = ?,
+    trading_name = ?,
+    abn = ?,
+    notes = ?,
+    discount_pricing_policies = ?,
+    payment_terms = ?,
+    customer_category_id = ?,
+    url = ?,
+    country_id = ?
+WHERE id = ?
+`
+
+type UpdateCustomerParams struct {
+	Name                    string         `json:"name"`
+	TradingName             string         `json:"trading_name"`
+	Abn                     sql.NullString `json:"abn"`
+	Notes                   string         `json:"notes"`
+	DiscountPricingPolicies string         `json:"discount_pricing_policies"`
+	PaymentTerms            string         `json:"payment_terms"`
+	CustomerCategoryID      int32          `json:"customer_category_id"`
+	Url                     string         `json:"url"`
+	CountryID               int32          `json:"country_id"`
+	ID                      int32          `json:"id"`
+}
+
+func (q *Queries) UpdateCustomer(ctx context.Context, arg UpdateCustomerParams) error {
+	_, err := q.db.ExecContext(ctx, updateCustomer,
+		arg.Name,
+		arg.TradingName,
+		arg.Abn,
+		arg.Notes,
+		arg.DiscountPricingPolicies,
+		arg.PaymentTerms,
+		arg.CustomerCategoryID,
+		arg.Url,
+		arg.CountryID,
+		arg.ID,
+	)
+	return err
+}

go-app/internal/cmc/db/db.go

@@ -0,0 +1,31 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.29.0
+
+package db
+
+import (
+	"context"
+	"database/sql"
+)
+
+type DBTX interface {
+	ExecContext(context.Context, string, ...interface{}) (sql.Result, error)
+	PrepareContext(context.Context, string) (*sql.Stmt, error)
+	QueryContext(context.Context, string, ...interface{}) (*sql.Rows, error)
+	QueryRowContext(context.Context, string, ...interface{}) *sql.Row
+}
+
+func New(db DBTX) *Queries {
+	return &Queries{db: db}
+}
+
+type Queries struct {
+	db DBTX
+}
+
+func (q *Queries) WithTx(tx *sql.Tx) *Queries {
+	return &Queries{
+		db: tx,
+	}
+}

go-app/internal/cmc/db/models.go

@@ -0,0 +1,237 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.29.0
+
+package db
+
+import (
+	"database/sql"
+	"database/sql/driver"
+	"fmt"
+	"time"
+)
+
+type UsersAccessLevel string
+
+const (
+	UsersAccessLevelAdmin   UsersAccessLevel = "admin"
+	UsersAccessLevelManager UsersAccessLevel = "manager"
+	UsersAccessLevelUser    UsersAccessLevel = "user"
+	UsersAccessLevelNone    UsersAccessLevel = "none"
+)
+
+func (e *UsersAccessLevel) Scan(src interface{}) error {
+	switch s := src.(type) {
+	case []byte:
+		*e = UsersAccessLevel(s)
+	case string:
+		*e = UsersAccessLevel(s)
+	default:
+		return fmt.Errorf("unsupported scan type for UsersAccessLevel: %T", src)
+	}
+	return nil
+}
+
+type NullUsersAccessLevel struct {
+	UsersAccessLevel UsersAccessLevel `json:"users_access_level"`
+	Valid            bool             `json:"valid"` // Valid is true if UsersAccessLevel is not NULL
+}
+
+// Scan implements the Scanner interface.
+func (ns *NullUsersAccessLevel) Scan(value interface{}) error {
+	if value == nil {
+		ns.UsersAccessLevel, ns.Valid = "", false
+		return nil
+	}
+	ns.Valid = true
+	return ns.UsersAccessLevel.Scan(value)
+}
+
+// Value implements the driver Valuer interface.
+func (ns NullUsersAccessLevel) Value() (driver.Value, error) {
+	if !ns.Valid {
+		return nil, nil
+	}
+	return string(ns.UsersAccessLevel), nil
+}
+
+type UsersType string
+
+const (
+	UsersTypePrinciple UsersType = "principle"
+	UsersTypeContact   UsersType = "contact"
+	UsersTypeUser      UsersType = "user"
+)
+
+func (e *UsersType) Scan(src interface{}) error {
+	switch s := src.(type) {
+	case []byte:
+		*e = UsersType(s)
+	case string:
+		*e = UsersType(s)
+	default:
+		return fmt.Errorf("unsupported scan type for UsersType: %T", src)
+	}
+	return nil
+}
+
+type NullUsersType struct {
+	UsersType UsersType `json:"users_type"`
+	Valid     bool      `json:"valid"` // Valid is true if UsersType is not NULL
+}
+
+// Scan implements the Scanner interface.
+func (ns *NullUsersType) Scan(value interface{}) error {
+	if value == nil {
+		ns.UsersType, ns.Valid = "", false
+		return nil
+	}
+	ns.Valid = true
+	return ns.UsersType.Scan(value)
+}
+
+// Value implements the driver Valuer interface.
+func (ns NullUsersType) Value() (driver.Value, error) {
+	if !ns.Valid {
+		return nil, nil
+	}
+	return string(ns.UsersType), nil
+}
+
+type Country struct {
+	ID   int32  `json:"id"`
+	Name string `json:"name"`
+}
+
+type Customer struct {
+	ID int32 `json:"id"`
+	// Company Name
+	Name                    string         `json:"name"`
+	TradingName             string         `json:"trading_name"`
+	Abn                     sql.NullString `json:"abn"`
+	Created                 time.Time      `json:"created"`
+	Notes                   string         `json:"notes"`
+	DiscountPricingPolicies string         `json:"discount_pricing_policies"`
+	PaymentTerms            string         `json:"payment_terms"`
+	CustomerCategoryID      int32          `json:"customer_category_id"`
+	Url                     string         `json:"url"`
+	CountryID               int32          `json:"country_id"`
+}
+
+type Enquiry struct {
+	ID        int32        `json:"id"`
+	Created   time.Time    `json:"created"`
+	Submitted sql.NullTime `json:"submitted"`
+	// enquirynumber
+	Title         string `json:"title"`
+	UserID        int32  `json:"user_id"`
+	CustomerID    int32  `json:"customer_id"`
+	ContactID     int32  `json:"contact_id"`
+	ContactUserID int32  `json:"contact_user_id"`
+	StateID       int32  `json:"state_id"`
+	CountryID     int32  `json:"country_id"`
+	PrincipleID   int32  `json:"principle_id"`
+	StatusID      int32  `json:"status_id"`
+	Comments      string `json:"comments"`
+	// Numeric Principle Code
+	PrincipleCode int32 `json:"principle_code"`
+	// GST applicable on this enquiry
+	Gst               bool          `json:"gst"`
+	BillingAddressID  sql.NullInt32 `json:"billing_address_id"`
+	ShippingAddressID sql.NullInt32 `json:"shipping_address_id"`
+	// has the enquired been posted
+	Posted       bool  `json:"posted"`
+	EmailCount   int32 `json:"email_count"`
+	InvoiceCount int32 `json:"invoice_count"`
+	JobCount     int32 `json:"job_count"`
+	QuoteCount   int32 `json:"quote_count"`
+	Archived     int8  `json:"archived"`
+}
+
+type Principle struct {
+	ID        int32          `json:"id"`
+	Name      string         `json:"name"`
+	ShortName sql.NullString `json:"short_name"`
+	Code      int32          `json:"code"`
+}
+
+type Product struct {
+	ID int32 `json:"id"`
+	// Principle FK
+	PrincipleID       int32 `json:"principle_id"`
+	ProductCategoryID int32 `json:"product_category_id"`
+	// This must match the Title in the Excel Costing File
+	Title       string `json:"title"`
+	Description string `json:"description"`
+	// Part or model number principle uses to identify this product
+	ModelNumber sql.NullString `json:"model_number"`
+	// %1% - first item, %2% , second item etc
+	ModelNumberFormat sql.NullString `json:"model_number_format"`
+	// Any notes about this product. Note displayed on quotes
+	Notes sql.NullString `json:"notes"`
+	// Stock or Ident
+	Stock           bool   `json:"stock"`
+	ItemCode        string `json:"item_code"`
+	ItemDescription string `json:"item_description"`
+}
+
+type PurchaseOrder struct {
+	ID           int32     `json:"id"`
+	IssueDate    time.Time `json:"issue_date"`
+	DispatchDate time.Time `json:"dispatch_date"`
+	DateArrived  time.Time `json:"date_arrived"`
+	// CMC PONumber
+	Title                 string        `json:"title"`
+	PrincipleID           int32         `json:"principle_id"`
+	PrincipleReference    string        `json:"principle_reference"`
+	DocumentID            int32         `json:"document_id"`
+	CurrencyID            sql.NullInt32 `json:"currency_id"`
+	OrderedFrom           string        `json:"ordered_from"`
+	Description           string        `json:"description"`
+	DispatchBy            string        `json:"dispatch_by"`
+	DeliverTo             string        `json:"deliver_to"`
+	ShippingInstructions  string        `json:"shipping_instructions"`
+	JobsText              string        `json:"jobs_text"`
+	FreightForwarderText  string        `json:"freight_forwarder_text"`
+	ParentPurchaseOrderID int32         `json:"parent_purchase_order_id"`
+}
+
+type State struct {
+	ID        int32          `json:"id"`
+	Name      string         `json:"name"`
+	Shortform sql.NullString `json:"shortform"`
+	Enqform   sql.NullString `json:"enqform"`
+}
+
+type Status struct {
+	ID    int32          `json:"id"`
+	Name  string         `json:"name"`
+	Color sql.NullString `json:"color"`
+}
+
+type User struct {
+	ID             int32            `json:"id"`
+	PrincipleID    int32            `json:"principle_id"`
+	CustomerID     int32            `json:"customer_id"`
+	Type           UsersType        `json:"type"`
+	AccessLevel    UsersAccessLevel `json:"access_level"`
+	Username       string           `json:"username"`
+	Password       string           `json:"password"`
+	FirstName      string           `json:"first_name"`
+	LastName       string           `json:"last_name"`
+	Email          string           `json:"email"`
+	JobTitle       string           `json:"job_title"`
+	Phone          string           `json:"phone"`
+	Mobile         string           `json:"mobile"`
+	Fax            string           `json:"fax"`
+	PhoneExtension string           `json:"phone_extension"`
+	DirectPhone    string           `json:"direct_phone"`
+	Notes          string           `json:"notes"`
+	// Added by Vault. May or may not be a real person.
+	ByVault bool `json:"by_vault"`
+	// Disregard emails from this address in future.
+	Blacklisted    bool         `json:"blacklisted"`
+	Enabled        bool         `json:"enabled"`
+	Archived       sql.NullBool `json:"archived"`
+	PrimaryContact bool         `json:"primary_contact"`
+}

go-app/internal/cmc/db/products.sql.go

@@ -0,0 +1,296 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.29.0
+// source: products.sql
+
+package db
+
+import (
+	"context"
+	"database/sql"
+)
+
+const createProduct = `-- name: CreateProduct :execresult
+INSERT INTO products (
+    principle_id, product_category_id, title, description,
+    model_number, model_number_format, notes, stock,
+    item_code, item_description
+) VALUES (
+    ?, ?, ?, ?, ?, ?, ?, ?, ?, ?
+)
+`
+
+type CreateProductParams struct {
+	PrincipleID       int32          `json:"principle_id"`
+	ProductCategoryID int32          `json:"product_category_id"`
+	Title             string         `json:"title"`
+	Description       string         `json:"description"`
+	ModelNumber       sql.NullString `json:"model_number"`
+	ModelNumberFormat sql.NullString `json:"model_number_format"`
+	Notes             sql.NullString `json:"notes"`
+	Stock             bool           `json:"stock"`
+	ItemCode          string         `json:"item_code"`
+	ItemDescription   string         `json:"item_description"`
+}
+
+func (q *Queries) CreateProduct(ctx context.Context, arg CreateProductParams) (sql.Result, error) {
+	return q.db.ExecContext(ctx, createProduct,
+		arg.PrincipleID,
+		arg.ProductCategoryID,
+		arg.Title,
+		arg.Description,
+		arg.ModelNumber,
+		arg.ModelNumberFormat,
+		arg.Notes,
+		arg.Stock,
+		arg.ItemCode,
+		arg.ItemDescription,
+	)
+}
+
+const deleteProduct = `-- name: DeleteProduct :exec
+DELETE FROM products
+WHERE id = ?
+`
+
+func (q *Queries) DeleteProduct(ctx context.Context, id int32) error {
+	_, err := q.db.ExecContext(ctx, deleteProduct, id)
+	return err
+}
+
+const getProduct = `-- name: GetProduct :one
+SELECT id, principle_id, product_category_id, title, description, model_number, model_number_format, notes, stock, item_code, item_description FROM products
+WHERE id = ? LIMIT 1
+`
+
+func (q *Queries) GetProduct(ctx context.Context, id int32) (Product, error) {
+	row := q.db.QueryRowContext(ctx, getProduct, id)
+	var i Product
+	err := row.Scan(
+		&i.ID,
+		&i.PrincipleID,
+		&i.ProductCategoryID,
+		&i.Title,
+		&i.Description,
+		&i.ModelNumber,
+		&i.ModelNumberFormat,
+		&i.Notes,
+		&i.Stock,
+		&i.ItemCode,
+		&i.ItemDescription,
+	)
+	return i, err
+}
+
+const getProductByItemCode = `-- name: GetProductByItemCode :one
+SELECT id, principle_id, product_category_id, title, description, model_number, model_number_format, notes, stock, item_code, item_description FROM products
+WHERE item_code = ?
+LIMIT 1
+`
+
+func (q *Queries) GetProductByItemCode(ctx context.Context, itemCode string) (Product, error) {
+	row := q.db.QueryRowContext(ctx, getProductByItemCode, itemCode)
+	var i Product
+	err := row.Scan(
+		&i.ID,
+		&i.PrincipleID,
+		&i.ProductCategoryID,
+		&i.Title,
+		&i.Description,
+		&i.ModelNumber,
+		&i.ModelNumberFormat,
+		&i.Notes,
+		&i.Stock,
+		&i.ItemCode,
+		&i.ItemDescription,
+	)
+	return i, err
+}
+
+const getProductsByCategory = `-- name: GetProductsByCategory :many
+SELECT id, principle_id, product_category_id, title, description, model_number, model_number_format, notes, stock, item_code, item_description FROM products
+WHERE product_category_id = ?
+ORDER BY title
+LIMIT ? OFFSET ?
+`
+
+type GetProductsByCategoryParams struct {
+	ProductCategoryID int32 `json:"product_category_id"`
+	Limit             int32 `json:"limit"`
+	Offset            int32 `json:"offset"`
+}
+
+func (q *Queries) GetProductsByCategory(ctx context.Context, arg GetProductsByCategoryParams) ([]Product, error) {
+	rows, err := q.db.QueryContext(ctx, getProductsByCategory, arg.ProductCategoryID, arg.Limit, arg.Offset)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []Product{}
+	for rows.Next() {
+		var i Product
+		if err := rows.Scan(
+			&i.ID,
+			&i.PrincipleID,
+			&i.ProductCategoryID,
+			&i.Title,
+			&i.Description,
+			&i.ModelNumber,
+			&i.ModelNumberFormat,
+			&i.Notes,
+			&i.Stock,
+			&i.ItemCode,
+			&i.ItemDescription,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listProducts = `-- name: ListProducts :many
+SELECT id, principle_id, product_category_id, title, description, model_number, model_number_format, notes, stock, item_code, item_description FROM products
+ORDER BY title
+LIMIT ? OFFSET ?
+`
+
+type ListProductsParams struct {
+	Limit  int32 `json:"limit"`
+	Offset int32 `json:"offset"`
+}
+
+func (q *Queries) ListProducts(ctx context.Context, arg ListProductsParams) ([]Product, error) {
+	rows, err := q.db.QueryContext(ctx, listProducts, arg.Limit, arg.Offset)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []Product{}
+	for rows.Next() {
+		var i Product
+		if err := rows.Scan(
+			&i.ID,
+			&i.PrincipleID,
+			&i.ProductCategoryID,
+			&i.Title,
+			&i.Description,
+			&i.ModelNumber,
+			&i.ModelNumberFormat,
+			&i.Notes,
+			&i.Stock,
+			&i.ItemCode,
+			&i.ItemDescription,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const searchProductsByTitle = `-- name: SearchProductsByTitle :many
+SELECT id, principle_id, product_category_id, title, description, model_number, model_number_format, notes, stock, item_code, item_description FROM products
+WHERE title LIKE CONCAT('%', ?, '%')
+ORDER BY title
+LIMIT ? OFFSET ?
+`
+
+type SearchProductsByTitleParams struct {
+	CONCAT interface{} `json:"CONCAT"`
+	Limit  int32       `json:"limit"`
+	Offset int32       `json:"offset"`
+}
+
+func (q *Queries) SearchProductsByTitle(ctx context.Context, arg SearchProductsByTitleParams) ([]Product, error) {
+	rows, err := q.db.QueryContext(ctx, searchProductsByTitle, arg.CONCAT, arg.Limit, arg.Offset)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []Product{}
+	for rows.Next() {
+		var i Product
+		if err := rows.Scan(
+			&i.ID,
+			&i.PrincipleID,
+			&i.ProductCategoryID,
+			&i.Title,
+			&i.Description,
+			&i.ModelNumber,
+			&i.ModelNumberFormat,
+			&i.Notes,
+			&i.Stock,
+			&i.ItemCode,
+			&i.ItemDescription,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const updateProduct = `-- name: UpdateProduct :exec
+UPDATE products
+SET principle_id = ?,
+    product_category_id = ?,
+    title = ?,
+    description = ?,
+    model_number = ?,
+    model_number_format = ?,
+    notes = ?,
+    stock = ?,
+    item_code = ?,
+    item_description = ?
+WHERE id = ?
+`
+
+type UpdateProductParams struct {
+	PrincipleID       int32          `json:"principle_id"`
+	ProductCategoryID int32          `json:"product_category_id"`
+	Title             string         `json:"title"`
+	Description       string         `json:"description"`
+	ModelNumber       sql.NullString `json:"model_number"`
+	ModelNumberFormat sql.NullString `json:"model_number_format"`
+	Notes             sql.NullString `json:"notes"`
+	Stock             bool           `json:"stock"`
+	ItemCode          string         `json:"item_code"`
+	ItemDescription   string         `json:"item_description"`
+	ID                int32          `json:"id"`
+}
+
+func (q *Queries) UpdateProduct(ctx context.Context, arg UpdateProductParams) error {
+	_, err := q.db.ExecContext(ctx, updateProduct,
+		arg.PrincipleID,
+		arg.ProductCategoryID,
+		arg.Title,
+		arg.Description,
+		arg.ModelNumber,
+		arg.ModelNumberFormat,
+		arg.Notes,
+		arg.Stock,
+		arg.ItemCode,
+		arg.ItemDescription,
+		arg.ID,
+	)
+	return err
+}

go-app/internal/cmc/db/purchase_orders.sql.go

@@ -0,0 +1,375 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.29.0
+// source: purchase_orders.sql
+
+package db
+
+import (
+	"context"
+	"database/sql"
+	"time"
+)
+
+const createPurchaseOrder = `-- name: CreatePurchaseOrder :execresult
+INSERT INTO purchase_orders (
+    issue_date, dispatch_date, date_arrived, title,
+    principle_id, principle_reference, document_id,
+    currency_id, ordered_from, description, dispatch_by,
+    deliver_to, shipping_instructions, jobs_text,
+    freight_forwarder_text, parent_purchase_order_id
+) VALUES (
+    ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?
+)
+`
+
+type CreatePurchaseOrderParams struct {
+	IssueDate             time.Time     `json:"issue_date"`
+	DispatchDate          time.Time     `json:"dispatch_date"`
+	DateArrived           time.Time     `json:"date_arrived"`
+	Title                 string        `json:"title"`
+	PrincipleID           int32         `json:"principle_id"`
+	PrincipleReference    string        `json:"principle_reference"`
+	DocumentID            int32         `json:"document_id"`
+	CurrencyID            sql.NullInt32 `json:"currency_id"`
+	OrderedFrom           string        `json:"ordered_from"`
+	Description           string        `json:"description"`
+	DispatchBy            string        `json:"dispatch_by"`
+	DeliverTo             string        `json:"deliver_to"`
+	ShippingInstructions  string        `json:"shipping_instructions"`
+	JobsText              string        `json:"jobs_text"`
+	FreightForwarderText  string        `json:"freight_forwarder_text"`
+	ParentPurchaseOrderID int32         `json:"parent_purchase_order_id"`
+}
+
+func (q *Queries) CreatePurchaseOrder(ctx context.Context, arg CreatePurchaseOrderParams) (sql.Result, error) {
+	return q.db.ExecContext(ctx, createPurchaseOrder,
+		arg.IssueDate,
+		arg.DispatchDate,
+		arg.DateArrived,
+		arg.Title,
+		arg.PrincipleID,
+		arg.PrincipleReference,
+		arg.DocumentID,
+		arg.CurrencyID,
+		arg.OrderedFrom,
+		arg.Description,
+		arg.DispatchBy,
+		arg.DeliverTo,
+		arg.ShippingInstructions,
+		arg.JobsText,
+		arg.FreightForwarderText,
+		arg.ParentPurchaseOrderID,
+	)
+}
+
+const deletePurchaseOrder = `-- name: DeletePurchaseOrder :exec
+DELETE FROM purchase_orders
+WHERE id = ?
+`
+
+func (q *Queries) DeletePurchaseOrder(ctx context.Context, id int32) error {
+	_, err := q.db.ExecContext(ctx, deletePurchaseOrder, id)
+	return err
+}
+
+const getPurchaseOrder = `-- name: GetPurchaseOrder :one
+SELECT id, issue_date, dispatch_date, date_arrived, title, principle_id, principle_reference, document_id, currency_id, ordered_from, description, dispatch_by, deliver_to, shipping_instructions, jobs_text, freight_forwarder_text, parent_purchase_order_id FROM purchase_orders
+WHERE id = ? LIMIT 1
+`
+
+func (q *Queries) GetPurchaseOrder(ctx context.Context, id int32) (PurchaseOrder, error) {
+	row := q.db.QueryRowContext(ctx, getPurchaseOrder, id)
+	var i PurchaseOrder
+	err := row.Scan(
+		&i.ID,
+		&i.IssueDate,
+		&i.DispatchDate,
+		&i.DateArrived,
+		&i.Title,
+		&i.PrincipleID,
+		&i.PrincipleReference,
+		&i.DocumentID,
+		&i.CurrencyID,
+		&i.OrderedFrom,
+		&i.Description,
+		&i.DispatchBy,
+		&i.DeliverTo,
+		&i.ShippingInstructions,
+		&i.JobsText,
+		&i.FreightForwarderText,
+		&i.ParentPurchaseOrderID,
+	)
+	return i, err
+}
+
+const getPurchaseOrderRevisions = `-- name: GetPurchaseOrderRevisions :many
+SELECT id, issue_date, dispatch_date, date_arrived, title, principle_id, principle_reference, document_id, currency_id, ordered_from, description, dispatch_by, deliver_to, shipping_instructions, jobs_text, freight_forwarder_text, parent_purchase_order_id FROM purchase_orders
+WHERE parent_purchase_order_id = ?
+ORDER BY id DESC
+`
+
+func (q *Queries) GetPurchaseOrderRevisions(ctx context.Context, parentPurchaseOrderID int32) ([]PurchaseOrder, error) {
+	rows, err := q.db.QueryContext(ctx, getPurchaseOrderRevisions, parentPurchaseOrderID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []PurchaseOrder{}
+	for rows.Next() {
+		var i PurchaseOrder
+		if err := rows.Scan(
+			&i.ID,
+			&i.IssueDate,
+			&i.DispatchDate,
+			&i.DateArrived,
+			&i.Title,
+			&i.PrincipleID,
+			&i.PrincipleReference,
+			&i.DocumentID,
+			&i.CurrencyID,
+			&i.OrderedFrom,
+			&i.Description,
+			&i.DispatchBy,
+			&i.DeliverTo,
+			&i.ShippingInstructions,
+			&i.JobsText,
+			&i.FreightForwarderText,
+			&i.ParentPurchaseOrderID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const getPurchaseOrdersByPrinciple = `-- name: GetPurchaseOrdersByPrinciple :many
+SELECT id, issue_date, dispatch_date, date_arrived, title, principle_id, principle_reference, document_id, currency_id, ordered_from, description, dispatch_by, deliver_to, shipping_instructions, jobs_text, freight_forwarder_text, parent_purchase_order_id FROM purchase_orders
+WHERE principle_id = ?
+ORDER BY issue_date DESC
+LIMIT ? OFFSET ?
+`
+
+type GetPurchaseOrdersByPrincipleParams struct {
+	PrincipleID int32 `json:"principle_id"`
+	Limit       int32 `json:"limit"`
+	Offset      int32 `json:"offset"`
+}
+
+func (q *Queries) GetPurchaseOrdersByPrinciple(ctx context.Context, arg GetPurchaseOrdersByPrincipleParams) ([]PurchaseOrder, error) {
+	rows, err := q.db.QueryContext(ctx, getPurchaseOrdersByPrinciple, arg.PrincipleID, arg.Limit, arg.Offset)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []PurchaseOrder{}
+	for rows.Next() {
+		var i PurchaseOrder
+		if err := rows.Scan(
+			&i.ID,
+			&i.IssueDate,
+			&i.DispatchDate,
+			&i.DateArrived,
+			&i.Title,
+			&i.PrincipleID,
+			&i.PrincipleReference,
+			&i.DocumentID,
+			&i.CurrencyID,
+			&i.OrderedFrom,
+			&i.Description,
+			&i.DispatchBy,
+			&i.DeliverTo,
+			&i.ShippingInstructions,
+			&i.JobsText,
+			&i.FreightForwarderText,
+			&i.ParentPurchaseOrderID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listPurchaseOrders = `-- name: ListPurchaseOrders :many
+SELECT id, issue_date, dispatch_date, date_arrived, title, principle_id, principle_reference, document_id, currency_id, ordered_from, description, dispatch_by, deliver_to, shipping_instructions, jobs_text, freight_forwarder_text, parent_purchase_order_id FROM purchase_orders
+ORDER BY issue_date DESC
+LIMIT ? OFFSET ?
+`
+
+type ListPurchaseOrdersParams struct {
+	Limit  int32 `json:"limit"`
+	Offset int32 `json:"offset"`
+}
+
+func (q *Queries) ListPurchaseOrders(ctx context.Context, arg ListPurchaseOrdersParams) ([]PurchaseOrder, error) {
+	rows, err := q.db.QueryContext(ctx, listPurchaseOrders, arg.Limit, arg.Offset)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []PurchaseOrder{}
+	for rows.Next() {
+		var i PurchaseOrder
+		if err := rows.Scan(
+			&i.ID,
+			&i.IssueDate,
+			&i.DispatchDate,
+			&i.DateArrived,
+			&i.Title,
+			&i.PrincipleID,
+			&i.PrincipleReference,
+			&i.DocumentID,
+			&i.CurrencyID,
+			&i.OrderedFrom,
+			&i.Description,
+			&i.DispatchBy,
+			&i.DeliverTo,
+			&i.ShippingInstructions,
+			&i.JobsText,
+			&i.FreightForwarderText,
+			&i.ParentPurchaseOrderID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const searchPurchaseOrdersByTitle = `-- name: SearchPurchaseOrdersByTitle :many
+SELECT id, issue_date, dispatch_date, date_arrived, title, principle_id, principle_reference, document_id, currency_id, ordered_from, description, dispatch_by, deliver_to, shipping_instructions, jobs_text, freight_forwarder_text, parent_purchase_order_id FROM purchase_orders
+WHERE title LIKE CONCAT('%', ?, '%')
+ORDER BY issue_date DESC
+LIMIT ? OFFSET ?
+`
+
+type SearchPurchaseOrdersByTitleParams struct {
+	CONCAT interface{} `json:"CONCAT"`
+	Limit  int32       `json:"limit"`
+	Offset int32       `json:"offset"`
+}
+
+func (q *Queries) SearchPurchaseOrdersByTitle(ctx context.Context, arg SearchPurchaseOrdersByTitleParams) ([]PurchaseOrder, error) {
+	rows, err := q.db.QueryContext(ctx, searchPurchaseOrdersByTitle, arg.CONCAT, arg.Limit, arg.Offset)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []PurchaseOrder{}
+	for rows.Next() {
+		var i PurchaseOrder
+		if err := rows.Scan(
+			&i.ID,
+			&i.IssueDate,
+			&i.DispatchDate,
+			&i.DateArrived,
+			&i.Title,
+			&i.PrincipleID,
+			&i.PrincipleReference,
+			&i.DocumentID,
+			&i.CurrencyID,
+			&i.OrderedFrom,
+			&i.Description,
+			&i.DispatchBy,
+			&i.DeliverTo,
+			&i.ShippingInstructions,
+			&i.JobsText,
+			&i.FreightForwarderText,
+			&i.ParentPurchaseOrderID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const updatePurchaseOrder = `-- name: UpdatePurchaseOrder :exec
+UPDATE purchase_orders
+SET issue_date = ?,
+    dispatch_date = ?,
+    date_arrived = ?,
+    title = ?,
+    principle_id = ?,
+    principle_reference = ?,
+    document_id = ?,
+    currency_id = ?,
+    ordered_from = ?,
+    description = ?,
+    dispatch_by = ?,
+    deliver_to = ?,
+    shipping_instructions = ?,
+    jobs_text = ?,
+    freight_forwarder_text = ?,
+    parent_purchase_order_id = ?
+WHERE id = ?
+`
+
+type UpdatePurchaseOrderParams struct {
+	IssueDate             time.Time     `json:"issue_date"`
+	DispatchDate          time.Time     `json:"dispatch_date"`
+	DateArrived           time.Time     `json:"date_arrived"`
+	Title                 string        `json:"title"`
+	PrincipleID           int32         `json:"principle_id"`
+	PrincipleReference    string        `json:"principle_reference"`
+	DocumentID            int32         `json:"document_id"`
+	CurrencyID            sql.NullInt32 `json:"currency_id"`
+	OrderedFrom           string        `json:"ordered_from"`
+	Description           string        `json:"description"`
+	DispatchBy            string        `json:"dispatch_by"`
+	DeliverTo             string        `json:"deliver_to"`
+	ShippingInstructions  string        `json:"shipping_instructions"`
+	JobsText              string        `json:"jobs_text"`
+	FreightForwarderText  string        `json:"freight_forwarder_text"`
+	ParentPurchaseOrderID int32         `json:"parent_purchase_order_id"`
+	ID                    int32         `json:"id"`
+}
+
+func (q *Queries) UpdatePurchaseOrder(ctx context.Context, arg UpdatePurchaseOrderParams) error {
+	_, err := q.db.ExecContext(ctx, updatePurchaseOrder,
+		arg.IssueDate,
+		arg.DispatchDate,
+		arg.DateArrived,
+		arg.Title,
+		arg.PrincipleID,
+		arg.PrincipleReference,
+		arg.DocumentID,
+		arg.CurrencyID,
+		arg.OrderedFrom,
+		arg.Description,
+		arg.DispatchBy,
+		arg.DeliverTo,
+		arg.ShippingInstructions,
+		arg.JobsText,
+		arg.FreightForwarderText,
+		arg.ParentPurchaseOrderID,
+		arg.ID,
+	)
+	return err
+}

go-app/internal/cmc/db/querier.go

@@ -0,0 +1,58 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.29.0
+
+package db
+
+import (
+	"context"
+	"database/sql"
+)
+
+type Querier interface {
+	ArchiveEnquiry(ctx context.Context, id int32) error
+	CountEnquiries(ctx context.Context) (int64, error)
+	CountEnquiriesByPrinciple(ctx context.Context, principleCode int32) (int64, error)
+	CountEnquiriesByPrincipleAndState(ctx context.Context, arg CountEnquiriesByPrincipleAndStateParams) (int64, error)
+	CountEnquiriesByStatus(ctx context.Context, statusID int32) (int64, error)
+	CreateCustomer(ctx context.Context, arg CreateCustomerParams) (sql.Result, error)
+	CreateEnquiry(ctx context.Context, arg CreateEnquiryParams) (sql.Result, error)
+	CreateProduct(ctx context.Context, arg CreateProductParams) (sql.Result, error)
+	CreatePurchaseOrder(ctx context.Context, arg CreatePurchaseOrderParams) (sql.Result, error)
+	DeleteCustomer(ctx context.Context, id int32) error
+	DeleteProduct(ctx context.Context, id int32) error
+	DeletePurchaseOrder(ctx context.Context, id int32) error
+	GetAllCountries(ctx context.Context) ([]Country, error)
+	GetAllPrinciples(ctx context.Context) ([]Principle, error)
+	GetAllStates(ctx context.Context) ([]State, error)
+	GetAllStatuses(ctx context.Context) ([]GetAllStatusesRow, error)
+	GetCustomer(ctx context.Context, id int32) (Customer, error)
+	GetCustomerByABN(ctx context.Context, abn sql.NullString) (Customer, error)
+	GetEnquiriesByCustomer(ctx context.Context, arg GetEnquiriesByCustomerParams) ([]GetEnquiriesByCustomerRow, error)
+	GetEnquiriesByUser(ctx context.Context, arg GetEnquiriesByUserParams) ([]GetEnquiriesByUserRow, error)
+	GetEnquiry(ctx context.Context, id int32) (GetEnquiryRow, error)
+	GetProduct(ctx context.Context, id int32) (Product, error)
+	GetProductByItemCode(ctx context.Context, itemCode string) (Product, error)
+	GetProductsByCategory(ctx context.Context, arg GetProductsByCategoryParams) ([]Product, error)
+	GetPurchaseOrder(ctx context.Context, id int32) (PurchaseOrder, error)
+	GetPurchaseOrderRevisions(ctx context.Context, parentPurchaseOrderID int32) ([]PurchaseOrder, error)
+	GetPurchaseOrdersByPrinciple(ctx context.Context, arg GetPurchaseOrdersByPrincipleParams) ([]PurchaseOrder, error)
+	ListArchivedEnquiries(ctx context.Context, arg ListArchivedEnquiriesParams) ([]ListArchivedEnquiriesRow, error)
+	ListCustomers(ctx context.Context, arg ListCustomersParams) ([]Customer, error)
+	ListEnquiries(ctx context.Context, arg ListEnquiriesParams) ([]ListEnquiriesRow, error)
+	ListProducts(ctx context.Context, arg ListProductsParams) ([]Product, error)
+	ListPurchaseOrders(ctx context.Context, arg ListPurchaseOrdersParams) ([]PurchaseOrder, error)
+	MarkEnquirySubmitted(ctx context.Context, arg MarkEnquirySubmittedParams) error
+	SearchCustomersByName(ctx context.Context, arg SearchCustomersByNameParams) ([]Customer, error)
+	SearchEnquiries(ctx context.Context, arg SearchEnquiriesParams) ([]SearchEnquiriesRow, error)
+	SearchProductsByTitle(ctx context.Context, arg SearchProductsByTitleParams) ([]Product, error)
+	SearchPurchaseOrdersByTitle(ctx context.Context, arg SearchPurchaseOrdersByTitleParams) ([]PurchaseOrder, error)
+	UnarchiveEnquiry(ctx context.Context, id int32) error
+	UpdateCustomer(ctx context.Context, arg UpdateCustomerParams) error
+	UpdateEnquiry(ctx context.Context, arg UpdateEnquiryParams) error
+	UpdateEnquiryStatus(ctx context.Context, arg UpdateEnquiryStatusParams) error
+	UpdateProduct(ctx context.Context, arg UpdateProductParams) error
+	UpdatePurchaseOrder(ctx context.Context, arg UpdatePurchaseOrderParams) error
+}
+
+var _ Querier = (*Queries)(nil)

go-app/internal/cmc/handlers/customers.go

@@ -0,0 +1,205 @@
+package handlers
+
+import (
+	"database/sql"
+	"encoding/json"
+	"net/http"
+	"strconv"
+
+	"code.springupsoftware.com/cmc/cmc-sales/internal/cmc/db"
+	"github.com/gorilla/mux"
+)
+
+type CustomerHandler struct {
+	queries *db.Queries
+}
+
+func NewCustomerHandler(queries *db.Queries) *CustomerHandler {
+	return &CustomerHandler{queries: queries}
+}
+
+func (h *CustomerHandler) List(w http.ResponseWriter, r *http.Request) {
+	limit := 50
+	offset := 0
+
+	if l := r.URL.Query().Get("limit"); l != "" {
+		if val, err := strconv.Atoi(l); err == nil {
+			limit = val
+		}
+	}
+
+	if o := r.URL.Query().Get("offset"); o != "" {
+		if val, err := strconv.Atoi(o); err == nil {
+			offset = val
+		}
+	}
+
+	customers, err := h.queries.ListCustomers(r.Context(), db.ListCustomersParams{
+		Limit:  int32(limit),
+		Offset: int32(offset),
+	})
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(customers)
+}
+
+func (h *CustomerHandler) Get(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid customer ID", http.StatusBadRequest)
+		return
+	}
+
+	customer, err := h.queries.GetCustomer(r.Context(), int32(id))
+	if err != nil {
+		if err == sql.ErrNoRows {
+			http.Error(w, "Customer not found", http.StatusNotFound)
+			return
+		}
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(customer)
+}
+
+func (h *CustomerHandler) Create(w http.ResponseWriter, r *http.Request) {
+	// Parse form data for HTMX requests
+	if err := r.ParseForm(); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	params := db.CreateCustomerParams{
+		Name:                    r.FormValue("name"),
+		TradingName:            r.FormValue("trading_name"),
+		Abn:                    sql.NullString{String: r.FormValue("abn"), Valid: r.FormValue("abn") != ""},
+		Notes:                  r.FormValue("notes"),
+		DiscountPricingPolicies: r.FormValue("discount_pricing_policies"),
+		PaymentTerms:           r.FormValue("payment_terms"),
+		CustomerCategoryID:     1, // Default category
+		Url:                    r.FormValue("url"),
+		CountryID:              1, // Default country
+	}
+
+	// Check if this is a JSON request
+	if r.Header.Get("Content-Type") == "application/json" {
+		if err := json.NewDecoder(r.Body).Decode(&params); err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+	}
+
+	result, err := h.queries.CreateCustomer(r.Context(), params)
+	if err != nil {
+		if r.Header.Get("HX-Request") == "true" {
+			w.Header().Set("Content-Type", "text/html")
+			w.Write([]byte(`<div class="notification is-danger">Error creating customer</div>`))
+			return
+		}
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	id, err := result.LastInsertId()
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	// If HTMX request, redirect to customer page
+	if r.Header.Get("HX-Request") == "true" {
+		w.Header().Set("HX-Redirect", "/customers/"+strconv.FormatInt(id, 10))
+		w.WriteHeader(http.StatusCreated)
+		return
+	}
+
+	// JSON response for API
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	json.NewEncoder(w).Encode(map[string]interface{}{
+		"id": id,
+	})
+}
+
+func (h *CustomerHandler) Update(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid customer ID", http.StatusBadRequest)
+		return
+	}
+
+	var params db.UpdateCustomerParams
+	if err := json.NewDecoder(r.Body).Decode(&params); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+	params.ID = int32(id)
+
+	if err := h.queries.UpdateCustomer(r.Context(), params); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func (h *CustomerHandler) Delete(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid customer ID", http.StatusBadRequest)
+		return
+	}
+
+	if err := h.queries.DeleteCustomer(r.Context(), int32(id)); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func (h *CustomerHandler) Search(w http.ResponseWriter, r *http.Request) {
+	query := r.URL.Query().Get("q")
+	if query == "" {
+		http.Error(w, "Search query required", http.StatusBadRequest)
+		return
+	}
+
+	limit := 50
+	offset := 0
+
+	if l := r.URL.Query().Get("limit"); l != "" {
+		if val, err := strconv.Atoi(l); err == nil {
+			limit = val
+		}
+	}
+
+	if o := r.URL.Query().Get("offset"); o != "" {
+		if val, err := strconv.Atoi(o); err == nil {
+			offset = val
+		}
+	}
+
+	customers, err := h.queries.SearchCustomersByName(r.Context(), db.SearchCustomersByNameParams{
+		CONCAT:   query,
+		CONCAT_2: query,
+		Limit:    int32(limit),
+		Offset:   int32(offset),
+	})
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(customers)
+}

go-app/internal/cmc/handlers/enquiry.go

@@ -0,0 +1,344 @@
+package handlers
+
+import (
+	"database/sql"
+	"encoding/json"
+	"net/http"
+	"strconv"
+	"time"
+
+	"code.springupsoftware.com/cmc/cmc-sales/internal/cmc/db"
+	"github.com/gorilla/mux"
+)
+
+type EnquiryHandler struct {
+	queries *db.Queries
+}
+
+func NewEnquiryHandler(queries *db.Queries) *EnquiryHandler {
+	return &EnquiryHandler{queries: queries}
+}
+
+type CreateEnquiryRequest struct {
+	Title              string         `json:"title"`
+	UserID             int32          `json:"user_id"`
+	CustomerID         int32          `json:"customer_id"`
+	ContactID          int32          `json:"contact_id"`
+	ContactUserID      int32          `json:"contact_user_id"`
+	StateID            int32          `json:"state_id"`
+	CountryID          int32          `json:"country_id"`
+	PrincipleID        int32          `json:"principle_id"`
+	StatusID           int32          `json:"status_id"`
+	Comments           string         `json:"comments"`
+	PrincipleCode      int32          `json:"principle_code"`
+	Gst                bool           `json:"gst"`
+	BillingAddressID   sql.NullInt32  `json:"billing_address_id"`
+	ShippingAddressID  sql.NullInt32  `json:"shipping_address_id"`
+	Posted             bool           `json:"posted"`
+}
+
+type UpdateEnquiryRequest struct {
+	Title              string         `json:"title"`
+	UserID             int32          `json:"user_id"`
+	CustomerID         int32          `json:"customer_id"`
+	ContactID          int32          `json:"contact_id"`
+	ContactUserID      int32          `json:"contact_user_id"`
+	StateID            int32          `json:"state_id"`
+	CountryID          int32          `json:"country_id"`
+	PrincipleID        int32          `json:"principle_id"`
+	StatusID           int32          `json:"status_id"`
+	Comments           string         `json:"comments"`
+	PrincipleCode      int32          `json:"principle_code"`
+	Gst                bool           `json:"gst"`
+	BillingAddressID   sql.NullInt32  `json:"billing_address_id"`
+	ShippingAddressID  sql.NullInt32  `json:"shipping_address_id"`
+	Posted             bool           `json:"posted"`
+	Submitted          sql.NullTime   `json:"submitted"`
+}
+
+func (h *EnquiryHandler) List(w http.ResponseWriter, r *http.Request) {
+	page := 1
+	if p := r.URL.Query().Get("page"); p != "" {
+		if val, err := strconv.Atoi(p); err == nil && val > 0 {
+			page = val
+		}
+	}
+
+	limit := 150 // Same as CakePHP controller
+	offset := (page - 1) * limit
+
+	var enquiries interface{}
+	var err error
+
+	// Check if we want archived enquiries
+	if r.URL.Query().Get("archived") == "true" {
+		enquiries, err = h.queries.ListArchivedEnquiries(r.Context(), db.ListArchivedEnquiriesParams{
+			Limit:  int32(limit),
+			Offset: int32(offset),
+		})
+	} else {
+		enquiries, err = h.queries.ListEnquiries(r.Context(), db.ListEnquiriesParams{
+			Limit:  int32(limit),
+			Offset: int32(offset),
+		})
+	}
+
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(enquiries)
+}
+
+func (h *EnquiryHandler) Get(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid enquiry ID", http.StatusBadRequest)
+		return
+	}
+
+	enquiry, err := h.queries.GetEnquiry(r.Context(), int32(id))
+	if err != nil {
+		if err == sql.ErrNoRows {
+			http.Error(w, "Enquiry not found", http.StatusNotFound)
+		} else {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(enquiry)
+}
+
+func (h *EnquiryHandler) Create(w http.ResponseWriter, r *http.Request) {
+	var req CreateEnquiryRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		http.Error(w, "Invalid JSON", http.StatusBadRequest)
+		return
+	}
+
+	now := time.Now()
+
+	result, err := h.queries.CreateEnquiry(r.Context(), db.CreateEnquiryParams{
+		Created:           now,
+		Title:             req.Title,
+		UserID:            req.UserID,
+		CustomerID:        req.CustomerID,
+		ContactID:         req.ContactID,
+		ContactUserID:     req.ContactUserID,
+		StateID:           req.StateID,
+		CountryID:         req.CountryID,
+		PrincipleID:       req.PrincipleID,
+		StatusID:          req.StatusID,
+		Comments:          req.Comments,
+		PrincipleCode:     req.PrincipleCode,
+		Gst:               req.Gst,
+		BillingAddressID:  req.BillingAddressID,
+		ShippingAddressID: req.ShippingAddressID,
+		Posted:            req.Posted,
+		Archived:          int8(0),
+	})
+
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	id, err := result.LastInsertId()
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	// Return the created enquiry
+	enquiry, err := h.queries.GetEnquiry(r.Context(), int32(id))
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	json.NewEncoder(w).Encode(enquiry)
+}
+
+func (h *EnquiryHandler) Update(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid enquiry ID", http.StatusBadRequest)
+		return
+	}
+
+	var req UpdateEnquiryRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		http.Error(w, "Invalid JSON", http.StatusBadRequest)
+		return
+	}
+
+	err = h.queries.UpdateEnquiry(r.Context(), db.UpdateEnquiryParams{
+		Title:             req.Title,
+		UserID:            req.UserID,
+		CustomerID:        req.CustomerID,
+		ContactID:         req.ContactID,
+		ContactUserID:     req.ContactUserID,
+		StateID:           req.StateID,
+		CountryID:         req.CountryID,
+		PrincipleID:       req.PrincipleID,
+		StatusID:          req.StatusID,
+		Comments:          req.Comments,
+		PrincipleCode:     req.PrincipleCode,
+		Gst:               req.Gst,
+		BillingAddressID:  req.BillingAddressID,
+		ShippingAddressID: req.ShippingAddressID,
+		Posted:            req.Posted,
+		Submitted:         req.Submitted,
+		ID:                int32(id),
+	})
+
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	// Return the updated enquiry
+	enquiry, err := h.queries.GetEnquiry(r.Context(), int32(id))
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(enquiry)
+}
+
+func (h *EnquiryHandler) Delete(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid enquiry ID", http.StatusBadRequest)
+		return
+	}
+
+	err = h.queries.ArchiveEnquiry(r.Context(), int32(id))
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func (h *EnquiryHandler) Undelete(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid enquiry ID", http.StatusBadRequest)
+		return
+	}
+
+	err = h.queries.UnarchiveEnquiry(r.Context(), int32(id))
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func (h *EnquiryHandler) UpdateStatus(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid enquiry ID", http.StatusBadRequest)
+		return
+	}
+
+	var req struct {
+		StatusID int32 `json:"status_id"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		http.Error(w, "Invalid JSON", http.StatusBadRequest)
+		return
+	}
+
+	err = h.queries.UpdateEnquiryStatus(r.Context(), db.UpdateEnquiryStatusParams{
+		StatusID: req.StatusID,
+		ID:       int32(id),
+	})
+
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	// Return the updated enquiry
+	enquiry, err := h.queries.GetEnquiry(r.Context(), int32(id))
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(enquiry)
+}
+
+func (h *EnquiryHandler) MarkSubmitted(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid enquiry ID", http.StatusBadRequest)
+		return
+	}
+
+	today := time.Now()
+	err = h.queries.MarkEnquirySubmitted(r.Context(), db.MarkEnquirySubmittedParams{
+		Submitted: sql.NullTime{Time: today, Valid: true},
+		ID:        int32(id),
+	})
+
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func (h *EnquiryHandler) Search(w http.ResponseWriter, r *http.Request) {
+	query := r.URL.Query().Get("q")
+	if query == "" {
+		h.List(w, r)
+		return
+	}
+
+	page := 1
+	if p := r.URL.Query().Get("page"); p != "" {
+		if val, err := strconv.Atoi(p); err == nil && val > 0 {
+			page = val
+		}
+	}
+
+	limit := 150
+	offset := (page - 1) * limit
+
+	enquiries, err := h.queries.SearchEnquiries(r.Context(), db.SearchEnquiriesParams{
+		CONCAT:   query,
+		CONCAT_2: query,
+		CONCAT_3: query,
+		Limit:    int32(limit),
+		Offset:   int32(offset),
+	})
+
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(enquiries)
+}

go-app/internal/cmc/handlers/pages.go

@@ -0,0 +1,603 @@
+package handlers
+
+import (
+	"net/http"
+	"strconv"
+
+	"code.springupsoftware.com/cmc/cmc-sales/internal/cmc/db"
+	"code.springupsoftware.com/cmc/cmc-sales/internal/cmc/templates"
+	"github.com/gorilla/mux"
+)
+
+type PageHandler struct {
+	queries  *db.Queries
+	tmpl     *templates.TemplateManager
+}
+
+func NewPageHandler(queries *db.Queries, tmpl *templates.TemplateManager) *PageHandler {
+	return &PageHandler{
+		queries: queries,
+		tmpl:    tmpl,
+	}
+}
+
+// Home page
+func (h *PageHandler) Home(w http.ResponseWriter, r *http.Request) {
+	data := map[string]interface{}{
+		"Title": "Dashboard",
+	}
+	
+	if err := h.tmpl.Render(w, "index.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+// Customer pages
+func (h *PageHandler) CustomersIndex(w http.ResponseWriter, r *http.Request) {
+	page := 1
+	if p := r.URL.Query().Get("page"); p != "" {
+		if val, err := strconv.Atoi(p); err == nil && val > 0 {
+			page = val
+		}
+	}
+	
+	limit := 20
+	offset := (page - 1) * limit
+	
+	customers, err := h.queries.ListCustomers(r.Context(), db.ListCustomersParams{
+		Limit:  int32(limit + 1), // Get one extra to check if there are more
+		Offset: int32(offset),
+	})
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	
+	hasMore := len(customers) > limit
+	if hasMore {
+		customers = customers[:limit]
+	}
+	
+	data := map[string]interface{}{
+		"Customers": customers,
+		"Page":      page,
+		"PrevPage":  page - 1,
+		"NextPage":  page + 1,
+		"HasMore":   hasMore,
+	}
+	
+	// Check if this is an HTMX request
+	if r.Header.Get("HX-Request") == "true" {
+		if err := h.tmpl.Render(w, "customers/table.html", data); err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
+		return
+	}
+	
+	if err := h.tmpl.Render(w, "customers/index.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) CustomersNew(w http.ResponseWriter, r *http.Request) {
+	data := map[string]interface{}{
+		"Customer": db.Customer{},
+	}
+	
+	if err := h.tmpl.Render(w, "customers/form.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) CustomersEdit(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid customer ID", http.StatusBadRequest)
+		return
+	}
+	
+	customer, err := h.queries.GetCustomer(r.Context(), int32(id))
+	if err != nil {
+		http.Error(w, "Customer not found", http.StatusNotFound)
+		return
+	}
+	
+	data := map[string]interface{}{
+		"Customer": customer,
+	}
+	
+	if err := h.tmpl.Render(w, "customers/form.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) CustomersShow(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid customer ID", http.StatusBadRequest)
+		return
+	}
+	
+	customer, err := h.queries.GetCustomer(r.Context(), int32(id))
+	if err != nil {
+		http.Error(w, "Customer not found", http.StatusNotFound)
+		return
+	}
+	
+	data := map[string]interface{}{
+		"Customer": customer,
+	}
+	
+	if err := h.tmpl.Render(w, "customers/show.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) CustomersSearch(w http.ResponseWriter, r *http.Request) {
+	query := r.URL.Query().Get("search")
+	page := 1
+	if p := r.URL.Query().Get("page"); p != "" {
+		if val, err := strconv.Atoi(p); err == nil && val > 0 {
+			page = val
+		}
+	}
+	
+	limit := 20
+	offset := (page - 1) * limit
+	
+	var customers []db.Customer
+	var err error
+	
+	if query == "" {
+		customers, err = h.queries.ListCustomers(r.Context(), db.ListCustomersParams{
+			Limit:  int32(limit + 1),
+			Offset: int32(offset),
+		})
+	} else {
+		customers, err = h.queries.SearchCustomersByName(r.Context(), db.SearchCustomersByNameParams{
+			CONCAT:   query,
+			CONCAT_2: query,
+			Limit:    int32(limit + 1),
+			Offset:   int32(offset),
+		})
+	}
+	
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	
+	hasMore := len(customers) > limit
+	if hasMore {
+		customers = customers[:limit]
+	}
+	
+	data := map[string]interface{}{
+		"Customers": customers,
+		"Page":      page,
+		"PrevPage":  page - 1,
+		"NextPage":  page + 1,
+		"HasMore":   hasMore,
+	}
+	
+	w.Header().Set("Content-Type", "text/html")
+	if err := h.tmpl.Render(w, "customers/table.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+// Product page handlers
+func (h *PageHandler) ProductsIndex(w http.ResponseWriter, r *http.Request) {
+	// Similar implementation to CustomersIndex but for products
+	data := map[string]interface{}{
+		"Products": []db.Product{}, // Placeholder
+	}
+	
+	if err := h.tmpl.Render(w, "products/index.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) ProductsNew(w http.ResponseWriter, r *http.Request) {
+	data := map[string]interface{}{
+		"Product": db.Product{},
+	}
+	
+	if err := h.tmpl.Render(w, "products/form.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) ProductsShow(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid product ID", http.StatusBadRequest)
+		return
+	}
+	
+	product, err := h.queries.GetProduct(r.Context(), int32(id))
+	if err != nil {
+		http.Error(w, "Product not found", http.StatusNotFound)
+		return
+	}
+	
+	data := map[string]interface{}{
+		"Product": product,
+	}
+	
+	if err := h.tmpl.Render(w, "products/show.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) ProductsEdit(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid product ID", http.StatusBadRequest)
+		return
+	}
+	
+	product, err := h.queries.GetProduct(r.Context(), int32(id))
+	if err != nil {
+		http.Error(w, "Product not found", http.StatusNotFound)
+		return
+	}
+	
+	data := map[string]interface{}{
+		"Product": product,
+	}
+	
+	if err := h.tmpl.Render(w, "products/form.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) ProductsSearch(w http.ResponseWriter, r *http.Request) {
+	// Similar to CustomersSearch but for products
+	data := map[string]interface{}{
+		"Products": []db.Product{},
+	}
+	
+	w.Header().Set("Content-Type", "text/html")
+	if err := h.tmpl.Render(w, "products/table.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+// Purchase Order page handlers
+func (h *PageHandler) PurchaseOrdersIndex(w http.ResponseWriter, r *http.Request) {
+	data := map[string]interface{}{
+		"PurchaseOrders": []db.PurchaseOrder{},
+	}
+	
+	if err := h.tmpl.Render(w, "purchase-orders/index.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) PurchaseOrdersNew(w http.ResponseWriter, r *http.Request) {
+	data := map[string]interface{}{
+		"PurchaseOrder": db.PurchaseOrder{},
+	}
+	
+	if err := h.tmpl.Render(w, "purchase-orders/form.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) PurchaseOrdersShow(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid purchase order ID", http.StatusBadRequest)
+		return
+	}
+	
+	purchaseOrder, err := h.queries.GetPurchaseOrder(r.Context(), int32(id))
+	if err != nil {
+		http.Error(w, "Purchase order not found", http.StatusNotFound)
+		return
+	}
+	
+	data := map[string]interface{}{
+		"PurchaseOrder": purchaseOrder,
+	}
+	
+	if err := h.tmpl.Render(w, "purchase-orders/show.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) PurchaseOrdersEdit(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid purchase order ID", http.StatusBadRequest)
+		return
+	}
+	
+	purchaseOrder, err := h.queries.GetPurchaseOrder(r.Context(), int32(id))
+	if err != nil {
+		http.Error(w, "Purchase order not found", http.StatusNotFound)
+		return
+	}
+	
+	data := map[string]interface{}{
+		"PurchaseOrder": purchaseOrder,
+	}
+	
+	if err := h.tmpl.Render(w, "purchase-orders/form.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) PurchaseOrdersSearch(w http.ResponseWriter, r *http.Request) {
+	data := map[string]interface{}{
+		"PurchaseOrders": []db.PurchaseOrder{},
+	}
+	
+	w.Header().Set("Content-Type", "text/html")
+	if err := h.tmpl.Render(w, "purchase-orders/table.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+// Enquiry page handlers
+func (h *PageHandler) EnquiriesIndex(w http.ResponseWriter, r *http.Request) {
+	page := 1
+	if p := r.URL.Query().Get("page"); p != "" {
+		if val, err := strconv.Atoi(p); err == nil && val > 0 {
+			page = val
+		}
+	}
+	
+	limit := 150
+	offset := (page - 1) * limit
+	
+	var enquiries interface{}
+	var err error
+	var hasMore bool
+	
+	// Check if we want archived enquiries
+	if r.URL.Query().Get("archived") == "true" {
+		archivedEnquiries, err := h.queries.ListArchivedEnquiries(r.Context(), db.ListArchivedEnquiriesParams{
+			Limit:  int32(limit + 1),
+			Offset: int32(offset),
+		})
+		if err == nil {
+			hasMore = len(archivedEnquiries) > limit
+			if hasMore {
+				archivedEnquiries = archivedEnquiries[:limit]
+			}
+			enquiries = archivedEnquiries
+		}
+	} else {
+		activeEnquiries, err := h.queries.ListEnquiries(r.Context(), db.ListEnquiriesParams{
+			Limit:  int32(limit + 1),
+			Offset: int32(offset),
+		})
+		if err == nil {
+			hasMore = len(activeEnquiries) > limit
+			if hasMore {
+				activeEnquiries = activeEnquiries[:limit]
+			}
+			enquiries = activeEnquiries
+		}
+	}
+	
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	
+	// Get status list for dropdown and CSS classes
+	statuses, err := h.queries.GetAllStatuses(r.Context())
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	
+	data := map[string]interface{}{
+		"Enquiries": enquiries,
+		"Statuses":  statuses,
+		"Page":      page,
+		"PrevPage":  page - 1,
+		"NextPage":  page + 1,
+		"HasMore":   hasMore,
+	}
+	
+	// Check if this is an HTMX request
+	if r.Header.Get("HX-Request") == "true" {
+		if err := h.tmpl.RenderPartial(w, "enquiries/table.html", "enquiry-table", data); err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
+		return
+	}
+	
+	if err := h.tmpl.Render(w, "enquiries/index.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) EnquiriesNew(w http.ResponseWriter, r *http.Request) {
+	// Get required form data
+	statuses, err := h.queries.GetAllStatuses(r.Context())
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	
+	principles, err := h.queries.GetAllPrinciples(r.Context())
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	
+	states, err := h.queries.GetAllStates(r.Context())
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	
+	countries, err := h.queries.GetAllCountries(r.Context())
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	
+	data := map[string]interface{}{
+		"Enquiry":   db.Enquiry{},
+		"Statuses":  statuses,
+		"Principles": principles,
+		"States":    states,
+		"Countries": countries,
+	}
+	
+	if err := h.tmpl.Render(w, "enquiries/form.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) EnquiriesShow(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid enquiry ID", http.StatusBadRequest)
+		return
+	}
+	
+	enquiry, err := h.queries.GetEnquiry(r.Context(), int32(id))
+	if err != nil {
+		http.Error(w, "Enquiry not found", http.StatusNotFound)
+		return
+	}
+	
+	data := map[string]interface{}{
+		"Enquiry": enquiry,
+	}
+	
+	if err := h.tmpl.Render(w, "enquiries/show.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) EnquiriesEdit(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid enquiry ID", http.StatusBadRequest)
+		return
+	}
+	
+	enquiry, err := h.queries.GetEnquiry(r.Context(), int32(id))
+	if err != nil {
+		http.Error(w, "Enquiry not found", http.StatusNotFound)
+		return
+	}
+	
+	// Get required form data
+	statuses, err := h.queries.GetAllStatuses(r.Context())
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	
+	principles, err := h.queries.GetAllPrinciples(r.Context())
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	
+	states, err := h.queries.GetAllStates(r.Context())
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	
+	countries, err := h.queries.GetAllCountries(r.Context())
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	
+	data := map[string]interface{}{
+		"Enquiry":   enquiry,
+		"Statuses":  statuses,
+		"Principles": principles,
+		"States":    states,
+		"Countries": countries,
+	}
+	
+	if err := h.tmpl.Render(w, "enquiries/form.html", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (h *PageHandler) EnquiriesSearch(w http.ResponseWriter, r *http.Request) {
+	query := r.URL.Query().Get("search")
+	page := 1
+	if p := r.URL.Query().Get("page"); p != "" {
+		if val, err := strconv.Atoi(p); err == nil && val > 0 {
+			page = val
+		}
+	}
+	
+	limit := 150
+	offset := (page - 1) * limit
+	
+	var enquiries interface{}
+	var hasMore bool
+	
+	if query == "" {
+		// If no search query, return regular list
+		regularEnquiries, err := h.queries.ListEnquiries(r.Context(), db.ListEnquiriesParams{
+			Limit:  int32(limit + 1),
+			Offset: int32(offset),
+		})
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		
+		hasMore = len(regularEnquiries) > limit
+		if hasMore {
+			regularEnquiries = regularEnquiries[:limit]
+		}
+		enquiries = regularEnquiries
+	} else {
+		searchResults, err := h.queries.SearchEnquiries(r.Context(), db.SearchEnquiriesParams{
+			CONCAT:   query,
+			CONCAT_2: query,
+			CONCAT_3: query,
+			Limit:    int32(limit + 1),
+			Offset:   int32(offset),
+		})
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		
+		hasMore = len(searchResults) > limit
+		if hasMore {
+			searchResults = searchResults[:limit]
+		}
+		enquiries = searchResults
+	}
+	
+	data := map[string]interface{}{
+		"Enquiries": enquiries,
+		"Page":      page,
+		"PrevPage":  page - 1,
+		"NextPage":  page + 1,
+		"HasMore":   hasMore,
+	}
+	
+	w.Header().Set("Content-Type", "text/html")
+	if err := h.tmpl.RenderPartial(w, "enquiries/table.html", "enquiry-table", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}

go-app/internal/cmc/handlers/products.go

@@ -0,0 +1,171 @@
+package handlers
+
+import (
+	"database/sql"
+	"encoding/json"
+	"net/http"
+	"strconv"
+
+	"code.springupsoftware.com/cmc/cmc-sales/internal/cmc/db"
+	"github.com/gorilla/mux"
+)
+
+type ProductHandler struct {
+	queries *db.Queries
+}
+
+func NewProductHandler(queries *db.Queries) *ProductHandler {
+	return &ProductHandler{queries: queries}
+}
+
+func (h *ProductHandler) List(w http.ResponseWriter, r *http.Request) {
+	limit := 50
+	offset := 0
+
+	if l := r.URL.Query().Get("limit"); l != "" {
+		if val, err := strconv.Atoi(l); err == nil {
+			limit = val
+		}
+	}
+
+	if o := r.URL.Query().Get("offset"); o != "" {
+		if val, err := strconv.Atoi(o); err == nil {
+			offset = val
+		}
+	}
+
+	products, err := h.queries.ListProducts(r.Context(), db.ListProductsParams{
+		Limit:  int32(limit),
+		Offset: int32(offset),
+	})
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(products)
+}
+
+func (h *ProductHandler) Get(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid product ID", http.StatusBadRequest)
+		return
+	}
+
+	product, err := h.queries.GetProduct(r.Context(), int32(id))
+	if err != nil {
+		if err == sql.ErrNoRows {
+			http.Error(w, "Product not found", http.StatusNotFound)
+			return
+		}
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(product)
+}
+
+func (h *ProductHandler) Create(w http.ResponseWriter, r *http.Request) {
+	var params db.CreateProductParams
+	if err := json.NewDecoder(r.Body).Decode(&params); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	result, err := h.queries.CreateProduct(r.Context(), params)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	id, err := result.LastInsertId()
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	json.NewEncoder(w).Encode(map[string]interface{}{
+		"id": id,
+	})
+}
+
+func (h *ProductHandler) Update(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid product ID", http.StatusBadRequest)
+		return
+	}
+
+	var params db.UpdateProductParams
+	if err := json.NewDecoder(r.Body).Decode(&params); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+	params.ID = int32(id)
+
+	if err := h.queries.UpdateProduct(r.Context(), params); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func (h *ProductHandler) Delete(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid product ID", http.StatusBadRequest)
+		return
+	}
+
+	if err := h.queries.DeleteProduct(r.Context(), int32(id)); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func (h *ProductHandler) Search(w http.ResponseWriter, r *http.Request) {
+	query := r.URL.Query().Get("q")
+	if query == "" {
+		http.Error(w, "Search query required", http.StatusBadRequest)
+		return
+	}
+
+	limit := 50
+	offset := 0
+
+	if l := r.URL.Query().Get("limit"); l != "" {
+		if val, err := strconv.Atoi(l); err == nil {
+			limit = val
+		}
+	}
+
+	if o := r.URL.Query().Get("offset"); o != "" {
+		if val, err := strconv.Atoi(o); err == nil {
+			offset = val
+		}
+	}
+
+	products, err := h.queries.SearchProductsByTitle(r.Context(), db.SearchProductsByTitleParams{
+		CONCAT: query,
+		Limit:  int32(limit),
+		Offset: int32(offset),
+	})
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(products)
+}

go-app/internal/cmc/handlers/purchase_orders.go

@@ -0,0 +1,171 @@
+package handlers
+
+import (
+	"database/sql"
+	"encoding/json"
+	"net/http"
+	"strconv"
+
+	"code.springupsoftware.com/cmc/cmc-sales/internal/cmc/db"
+	"github.com/gorilla/mux"
+)
+
+type PurchaseOrderHandler struct {
+	queries *db.Queries
+}
+
+func NewPurchaseOrderHandler(queries *db.Queries) *PurchaseOrderHandler {
+	return &PurchaseOrderHandler{queries: queries}
+}
+
+func (h *PurchaseOrderHandler) List(w http.ResponseWriter, r *http.Request) {
+	limit := 50
+	offset := 0
+
+	if l := r.URL.Query().Get("limit"); l != "" {
+		if val, err := strconv.Atoi(l); err == nil {
+			limit = val
+		}
+	}
+
+	if o := r.URL.Query().Get("offset"); o != "" {
+		if val, err := strconv.Atoi(o); err == nil {
+			offset = val
+		}
+	}
+
+	purchaseOrders, err := h.queries.ListPurchaseOrders(r.Context(), db.ListPurchaseOrdersParams{
+		Limit:  int32(limit),
+		Offset: int32(offset),
+	})
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(purchaseOrders)
+}
+
+func (h *PurchaseOrderHandler) Get(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid purchase order ID", http.StatusBadRequest)
+		return
+	}
+
+	purchaseOrder, err := h.queries.GetPurchaseOrder(r.Context(), int32(id))
+	if err != nil {
+		if err == sql.ErrNoRows {
+			http.Error(w, "Purchase order not found", http.StatusNotFound)
+			return
+		}
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(purchaseOrder)
+}
+
+func (h *PurchaseOrderHandler) Create(w http.ResponseWriter, r *http.Request) {
+	var params db.CreatePurchaseOrderParams
+	if err := json.NewDecoder(r.Body).Decode(&params); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	result, err := h.queries.CreatePurchaseOrder(r.Context(), params)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	id, err := result.LastInsertId()
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	json.NewEncoder(w).Encode(map[string]interface{}{
+		"id": id,
+	})
+}
+
+func (h *PurchaseOrderHandler) Update(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid purchase order ID", http.StatusBadRequest)
+		return
+	}
+
+	var params db.UpdatePurchaseOrderParams
+	if err := json.NewDecoder(r.Body).Decode(&params); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+	params.ID = int32(id)
+
+	if err := h.queries.UpdatePurchaseOrder(r.Context(), params); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func (h *PurchaseOrderHandler) Delete(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		http.Error(w, "Invalid purchase order ID", http.StatusBadRequest)
+		return
+	}
+
+	if err := h.queries.DeletePurchaseOrder(r.Context(), int32(id)); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func (h *PurchaseOrderHandler) Search(w http.ResponseWriter, r *http.Request) {
+	query := r.URL.Query().Get("q")
+	if query == "" {
+		http.Error(w, "Search query required", http.StatusBadRequest)
+		return
+	}
+
+	limit := 50
+	offset := 0
+
+	if l := r.URL.Query().Get("limit"); l != "" {
+		if val, err := strconv.Atoi(l); err == nil {
+			limit = val
+		}
+	}
+
+	if o := r.URL.Query().Get("offset"); o != "" {
+		if val, err := strconv.Atoi(o); err == nil {
+			offset = val
+		}
+	}
+
+	purchaseOrders, err := h.queries.SearchPurchaseOrdersByTitle(r.Context(), db.SearchPurchaseOrdersByTitleParams{
+		CONCAT: query,
+		Limit:  int32(limit),
+		Offset: int32(offset),
+	})
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(purchaseOrders)
+}

go-app/internal/cmc/templates/templates.go

@@ -0,0 +1,128 @@
+package templates
+
+import (
+	"fmt"
+	"html/template"
+	"io"
+	"os"
+	"path/filepath"
+	"time"
+)
+
+type TemplateManager struct {
+	templates map[string]*template.Template
+}
+
+func NewTemplateManager(templatesDir string) (*TemplateManager, error) {
+	tm := &TemplateManager{
+		templates: make(map[string]*template.Template),
+	}
+
+	// Define template functions
+	funcMap := template.FuncMap{
+		"formatDate": formatDate,
+		"truncate":   truncate,
+		"currency":   formatCurrency,
+	}
+
+	// Load all templates
+	layouts, err := filepath.Glob(filepath.Join(templatesDir, "layouts/*.html"))
+	if err != nil {
+		return nil, err
+	}
+
+	partials, err := filepath.Glob(filepath.Join(templatesDir, "partials/*.html"))
+	if err != nil {
+		return nil, err
+	}
+
+	// Load page templates
+	pages := []string{
+		"customers/index.html",
+		"customers/show.html",
+		"customers/form.html",
+		"customers/table.html",
+		"products/index.html",
+		"products/show.html",
+		"products/form.html",
+		"products/table.html",
+		"purchase-orders/index.html",
+		"purchase-orders/show.html",
+		"purchase-orders/form.html",
+		"purchase-orders/table.html",
+		"enquiries/index.html",
+		"enquiries/show.html",
+		"enquiries/form.html",
+		"enquiries/table.html",
+		"index.html",
+	}
+
+	for _, page := range pages {
+		pagePath := filepath.Join(templatesDir, page)
+		files := append(layouts, partials...)
+		files = append(files, pagePath)
+		
+		// For index pages, also include the corresponding table template
+		if filepath.Base(page) == "index.html" {
+			dir := filepath.Dir(page)
+			tablePath := filepath.Join(templatesDir, dir, "table.html")
+			// Check if table file exists before adding it
+			if _, err := os.Stat(tablePath); err == nil {
+				files = append(files, tablePath)
+			}
+		}
+		
+		tmpl, err := template.New(filepath.Base(page)).Funcs(funcMap).ParseFiles(files...)
+		if err != nil {
+			return nil, err
+		}
+		
+		tm.templates[page] = tmpl
+	}
+
+	return tm, nil
+}
+
+func (tm *TemplateManager) Render(w io.Writer, name string, data interface{}) error {
+	tmpl, ok := tm.templates[name]
+	if !ok {
+		return template.New("error").Execute(w, "Template not found")
+	}
+	
+	return tmpl.ExecuteTemplate(w, "base", data)
+}
+
+func (tm *TemplateManager) RenderPartial(w io.Writer, templateFile, templateName string, data interface{}) error {
+	tmpl, ok := tm.templates[templateFile]
+	if !ok {
+		return template.New("error").Execute(w, "Template not found")
+	}
+	
+	return tmpl.ExecuteTemplate(w, templateName, data)
+}
+
+// Template helper functions
+func formatDate(t interface{}) string {
+	switch v := t.(type) {
+	case time.Time:
+		return v.Format("2006-01-02")
+	case string:
+		if tm, err := time.Parse("2006-01-02 15:04:05", v); err == nil {
+			return tm.Format("2006-01-02")
+		}
+		return v
+	default:
+		return fmt.Sprintf("%v", v)
+	}
+}
+
+func truncate(s string, n int) string {
+	if len(s) <= n {
+		return s
+	}
+	return s[:n] + "..."
+}
+
+func formatCurrency(amount float64) string {
+	return fmt.Sprintf("$%.2f", amount)
+}

go-app/sql/queries/customers.sql

@@ -0,0 +1,46 @@
+-- name: GetCustomer :one
+SELECT * FROM customers
+WHERE id = ? LIMIT 1;
+
+-- name: ListCustomers :many
+SELECT * FROM customers
+ORDER BY name
+LIMIT ? OFFSET ?;
+
+-- name: CreateCustomer :execresult
+INSERT INTO customers (
+    name, trading_name, abn, created, notes, 
+    discount_pricing_policies, payment_terms, 
+    customer_category_id, url, country_id
+) VALUES (
+    ?, ?, ?, NOW(), ?, ?, ?, ?, ?, ?
+);
+
+-- name: UpdateCustomer :exec
+UPDATE customers
+SET name = ?,
+    trading_name = ?,
+    abn = ?,
+    notes = ?,
+    discount_pricing_policies = ?,
+    payment_terms = ?,
+    customer_category_id = ?,
+    url = ?,
+    country_id = ?
+WHERE id = ?;
+
+-- name: DeleteCustomer :exec
+DELETE FROM customers
+WHERE id = ?;
+
+-- name: SearchCustomersByName :many
+SELECT * FROM customers
+WHERE name LIKE CONCAT('%', ?, '%')
+   OR trading_name LIKE CONCAT('%', ?, '%')
+ORDER BY name
+LIMIT ? OFFSET ?;
+
+-- name: GetCustomerByABN :one
+SELECT * FROM customers
+WHERE abn = ?
+LIMIT 1;

go-app/sql/queries/enquiries.sql

@@ -0,0 +1,191 @@
+-- name: GetEnquiry :one
+SELECT e.*, 
+       u.first_name as user_first_name, 
+       u.last_name as user_last_name,
+       c.name as customer_name,
+       contact.first_name as contact_first_name,
+       contact.last_name as contact_last_name,
+       contact.email as contact_email,
+       contact.mobile as contact_mobile,
+       contact.direct_phone as contact_direct_phone,
+       contact.phone as contact_phone,
+       contact.phone_extension as contact_phone_extension,
+       s.name as status_name,
+       p.name as principle_name,
+       p.short_name as principle_short_name,
+       st.name as state_name,
+       st.shortform as state_shortform,
+       co.name as country_name
+FROM enquiries e
+LEFT JOIN users u ON e.user_id = u.id
+LEFT JOIN customers c ON e.customer_id = c.id
+LEFT JOIN users contact ON e.contact_user_id = contact.id
+LEFT JOIN statuses s ON e.status_id = s.id
+LEFT JOIN principles p ON e.principle_id = p.id
+LEFT JOIN states st ON e.state_id = st.id
+LEFT JOIN countries co ON e.country_id = co.id
+WHERE e.id = ?;
+
+-- name: ListEnquiries :many
+SELECT e.*, 
+       u.first_name as user_first_name, 
+       u.last_name as user_last_name,
+       c.name as customer_name,
+       contact.first_name as contact_first_name,
+       contact.last_name as contact_last_name,
+       contact.email as contact_email,
+       contact.mobile as contact_mobile,
+       contact.direct_phone as contact_direct_phone,
+       contact.phone as contact_phone,
+       contact.phone_extension as contact_phone_extension,
+       s.name as status_name,
+       p.name as principle_name,
+       p.short_name as principle_short_name
+FROM enquiries e
+LEFT JOIN users u ON e.user_id = u.id
+LEFT JOIN customers c ON e.customer_id = c.id
+LEFT JOIN users contact ON e.contact_user_id = contact.id
+LEFT JOIN statuses s ON e.status_id = s.id
+LEFT JOIN principles p ON e.principle_id = p.id
+WHERE e.archived = 0
+ORDER BY e.id DESC
+LIMIT ? OFFSET ?;
+
+-- name: ListArchivedEnquiries :many
+SELECT e.*, 
+       u.first_name as user_first_name, 
+       u.last_name as user_last_name,
+       c.name as customer_name,
+       contact.first_name as contact_first_name,
+       contact.last_name as contact_last_name,
+       s.name as status_name,
+       p.name as principle_name,
+       p.short_name as principle_short_name
+FROM enquiries e
+LEFT JOIN users u ON e.user_id = u.id
+LEFT JOIN customers c ON e.customer_id = c.id
+LEFT JOIN users contact ON e.contact_user_id = contact.id
+LEFT JOIN statuses s ON e.status_id = s.id
+LEFT JOIN principles p ON e.principle_id = p.id
+WHERE e.archived = 1
+ORDER BY e.id DESC
+LIMIT ? OFFSET ?;
+
+-- name: CreateEnquiry :execresult
+INSERT INTO enquiries (
+    created, title, user_id, customer_id, contact_id, contact_user_id,
+    state_id, country_id, principle_id, status_id, comments,
+    principle_code, gst, billing_address_id, shipping_address_id,
+    posted, archived
+) VALUES (
+    ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?
+);
+
+-- name: UpdateEnquiry :exec
+UPDATE enquiries 
+SET title = ?, user_id = ?, customer_id = ?, contact_id = ?, contact_user_id = ?,
+    state_id = ?, country_id = ?, principle_id = ?, status_id = ?, comments = ?,
+    principle_code = ?, gst = ?, billing_address_id = ?, shipping_address_id = ?,
+    posted = ?, submitted = ?
+WHERE id = ?;
+
+-- name: UpdateEnquiryStatus :exec
+UPDATE enquiries SET status_id = ? WHERE id = ?;
+
+-- name: ArchiveEnquiry :exec
+UPDATE enquiries SET archived = 1 WHERE id = ?;
+
+-- name: UnarchiveEnquiry :exec
+UPDATE enquiries SET archived = 0 WHERE id = ?;
+
+-- name: MarkEnquirySubmitted :exec
+UPDATE enquiries SET submitted = ? WHERE id = ?;
+
+-- name: SearchEnquiries :many
+SELECT e.*, 
+       u.first_name as user_first_name, 
+       u.last_name as user_last_name,
+       c.name as customer_name,
+       contact.first_name as contact_first_name,
+       contact.last_name as contact_last_name,
+       s.name as status_name,
+       p.name as principle_name,
+       p.short_name as principle_short_name
+FROM enquiries e
+LEFT JOIN users u ON e.user_id = u.id
+LEFT JOIN customers c ON e.customer_id = c.id
+LEFT JOIN users contact ON e.contact_user_id = contact.id
+LEFT JOIN statuses s ON e.status_id = s.id
+LEFT JOIN principles p ON e.principle_id = p.id
+WHERE e.archived = 0
+AND (
+    e.title LIKE CONCAT('%', ?, '%') OR
+    c.name LIKE CONCAT('%', ?, '%') OR
+    CONCAT(contact.first_name, ' ', contact.last_name) LIKE CONCAT('%', ?, '%')
+)
+ORDER BY e.id DESC
+LIMIT ? OFFSET ?;
+
+-- name: GetEnquiriesByUser :many
+SELECT e.*, 
+       u.first_name as user_first_name, 
+       u.last_name as user_last_name,
+       c.name as customer_name,
+       contact.first_name as contact_first_name,
+       contact.last_name as contact_last_name,
+       s.name as status_name,
+       p.name as principle_name,
+       p.short_name as principle_short_name
+FROM enquiries e
+LEFT JOIN users u ON e.user_id = u.id
+LEFT JOIN customers c ON e.customer_id = c.id
+LEFT JOIN users contact ON e.contact_user_id = contact.id
+LEFT JOIN statuses s ON e.status_id = s.id
+LEFT JOIN principles p ON e.principle_id = p.id
+WHERE e.user_id = ? AND e.archived = 0
+ORDER BY e.id DESC
+LIMIT ? OFFSET ?;
+
+-- name: GetEnquiriesByCustomer :many
+SELECT e.*, 
+       u.first_name as user_first_name, 
+       u.last_name as user_last_name,
+       c.name as customer_name,
+       contact.first_name as contact_first_name,
+       contact.last_name as contact_last_name,
+       s.name as status_name,
+       p.name as principle_name,
+       p.short_name as principle_short_name
+FROM enquiries e
+LEFT JOIN users u ON e.user_id = u.id
+LEFT JOIN customers c ON e.customer_id = c.id
+LEFT JOIN users contact ON e.contact_user_id = contact.id
+LEFT JOIN statuses s ON e.status_id = s.id
+LEFT JOIN principles p ON e.principle_id = p.id
+WHERE e.customer_id = ? AND e.archived = 0
+ORDER BY e.id DESC
+LIMIT ? OFFSET ?;
+
+-- name: CountEnquiries :one
+SELECT COUNT(*) FROM enquiries WHERE archived = 0;
+
+-- name: CountEnquiriesByStatus :one
+SELECT COUNT(*) FROM enquiries WHERE status_id = ? AND archived = 0;
+
+-- name: CountEnquiriesByPrinciple :one
+SELECT COUNT(*) FROM enquiries WHERE principle_code = ?;
+
+-- name: CountEnquiriesByPrincipleAndState :one
+SELECT COUNT(*) FROM enquiries WHERE principle_code = ? AND state_id = ?;
+
+-- name: GetAllStatuses :many
+SELECT id, name FROM statuses ORDER BY name;
+
+-- name: GetAllPrinciples :many
+SELECT id, name, short_name, code FROM principles ORDER BY name;
+
+-- name: GetAllStates :many
+SELECT id, name, shortform, enqform FROM states ORDER BY name;
+
+-- name: GetAllCountries :many
+SELECT id, name FROM countries ORDER BY name;

go-app/sql/queries/products.sql

@@ -0,0 +1,52 @@
+-- name: GetProduct :one
+SELECT * FROM products
+WHERE id = ? LIMIT 1;
+
+-- name: ListProducts :many
+SELECT * FROM products
+ORDER BY title
+LIMIT ? OFFSET ?;
+
+-- name: CreateProduct :execresult
+INSERT INTO products (
+    principle_id, product_category_id, title, description,
+    model_number, model_number_format, notes, stock,
+    item_code, item_description
+) VALUES (
+    ?, ?, ?, ?, ?, ?, ?, ?, ?, ?
+);
+
+-- name: UpdateProduct :exec
+UPDATE products
+SET principle_id = ?,
+    product_category_id = ?,
+    title = ?,
+    description = ?,
+    model_number = ?,
+    model_number_format = ?,
+    notes = ?,
+    stock = ?,
+    item_code = ?,
+    item_description = ?
+WHERE id = ?;
+
+-- name: DeleteProduct :exec
+DELETE FROM products
+WHERE id = ?;
+
+-- name: SearchProductsByTitle :many
+SELECT * FROM products
+WHERE title LIKE CONCAT('%', ?, '%')
+ORDER BY title
+LIMIT ? OFFSET ?;
+
+-- name: GetProductsByCategory :many
+SELECT * FROM products
+WHERE product_category_id = ?
+ORDER BY title
+LIMIT ? OFFSET ?;
+
+-- name: GetProductByItemCode :one
+SELECT * FROM products
+WHERE item_code = ?
+LIMIT 1;

go-app/sql/queries/purchase_orders.sql

@@ -0,0 +1,60 @@
+-- name: GetPurchaseOrder :one
+SELECT * FROM purchase_orders
+WHERE id = ? LIMIT 1;
+
+-- name: ListPurchaseOrders :many
+SELECT * FROM purchase_orders
+ORDER BY issue_date DESC
+LIMIT ? OFFSET ?;
+
+-- name: CreatePurchaseOrder :execresult
+INSERT INTO purchase_orders (
+    issue_date, dispatch_date, date_arrived, title,
+    principle_id, principle_reference, document_id,
+    currency_id, ordered_from, description, dispatch_by,
+    deliver_to, shipping_instructions, jobs_text,
+    freight_forwarder_text, parent_purchase_order_id
+) VALUES (
+    ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?
+);
+
+-- name: UpdatePurchaseOrder :exec
+UPDATE purchase_orders
+SET issue_date = ?,
+    dispatch_date = ?,
+    date_arrived = ?,
+    title = ?,
+    principle_id = ?,
+    principle_reference = ?,
+    document_id = ?,
+    currency_id = ?,
+    ordered_from = ?,
+    description = ?,
+    dispatch_by = ?,
+    deliver_to = ?,
+    shipping_instructions = ?,
+    jobs_text = ?,
+    freight_forwarder_text = ?,
+    parent_purchase_order_id = ?
+WHERE id = ?;
+
+-- name: DeletePurchaseOrder :exec
+DELETE FROM purchase_orders
+WHERE id = ?;
+
+-- name: GetPurchaseOrdersByPrinciple :many
+SELECT * FROM purchase_orders
+WHERE principle_id = ?
+ORDER BY issue_date DESC
+LIMIT ? OFFSET ?;
+
+-- name: GetPurchaseOrderRevisions :many
+SELECT * FROM purchase_orders
+WHERE parent_purchase_order_id = ?
+ORDER BY id DESC;
+
+-- name: SearchPurchaseOrdersByTitle :many
+SELECT * FROM purchase_orders
+WHERE title LIKE CONCAT('%', ?, '%')
+ORDER BY issue_date DESC
+LIMIT ? OFFSET ?;

go-app/sql/schema/001_customers.sql

@@ -0,0 +1,15 @@
+-- Customers table schema (extracted from existing database)
+CREATE TABLE IF NOT EXISTS `customers` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `name` varchar(400) NOT NULL COMMENT 'Company Name',
+  `trading_name` varchar(400) NOT NULL DEFAULT '',
+  `abn` varchar(255) DEFAULT NULL,
+  `created` datetime NOT NULL,
+  `notes` text NOT NULL,
+  `discount_pricing_policies` text NOT NULL,
+  `payment_terms` varchar(255) NOT NULL,
+  `customer_category_id` int(11) NOT NULL,
+  `url` varchar(300) NOT NULL,
+  `country_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

go-app/sql/schema/002_products.sql

@@ -0,0 +1,15 @@
+-- Products table schema (extracted from existing database)
+CREATE TABLE IF NOT EXISTS `products` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `principle_id` int(11) NOT NULL COMMENT 'Principle FK',
+  `product_category_id` int(11) NOT NULL,
+  `title` varchar(255) NOT NULL COMMENT 'This must match the Title in the Excel Costing File',
+  `description` text NOT NULL,
+  `model_number` varchar(255) DEFAULT NULL COMMENT 'Part or model number principle uses to identify this product',
+  `model_number_format` varchar(255) DEFAULT NULL COMMENT '%1% - first item, %2% , second item etc ',
+  `notes` text DEFAULT NULL COMMENT 'Any notes about this product. Note displayed on quotes',
+  `stock` tinyint(1) NOT NULL COMMENT 'Stock or Ident',
+  `item_code` varchar(255) NOT NULL,
+  `item_description` varchar(255) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

go-app/sql/schema/003_purchase_orders.sql

@@ -0,0 +1,21 @@
+-- Purchase Orders table schema (extracted from existing database)
+CREATE TABLE IF NOT EXISTS `purchase_orders` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `issue_date` date NOT NULL,
+  `dispatch_date` date NOT NULL,
+  `date_arrived` date NOT NULL,
+  `title` varchar(255) NOT NULL COMMENT 'CMC PONumber',
+  `principle_id` int(11) NOT NULL,
+  `principle_reference` varchar(255) NOT NULL,
+  `document_id` int(11) NOT NULL,
+  `currency_id` int(11) DEFAULT NULL,
+  `ordered_from` text NOT NULL,
+  `description` text NOT NULL,
+  `dispatch_by` varchar(255) NOT NULL,
+  `deliver_to` text NOT NULL,
+  `shipping_instructions` text NOT NULL,
+  `jobs_text` varchar(512) NOT NULL,
+  `freight_forwarder_text` text NOT NULL DEFAULT '',
+  `parent_purchase_order_id` int(11) NOT NULL DEFAULT 0,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

go-app/sql/schema/004_users.sql

@@ -0,0 +1,26 @@
+-- Users table schema
+CREATE TABLE `users` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `principle_id` int(11) NOT NULL,
+  `customer_id` int(11) NOT NULL,
+  `type` enum('principle','contact','user') NOT NULL,
+  `access_level` enum('admin','manager','user','none') NOT NULL DEFAULT 'none',
+  `username` char(50) NOT NULL,
+  `password` char(60) NOT NULL,
+  `first_name` varchar(255) NOT NULL,
+  `last_name` varchar(255) NOT NULL,
+  `email` varchar(255) NOT NULL,
+  `job_title` varchar(255) NOT NULL,
+  `phone` varchar(255) NOT NULL,
+  `mobile` varchar(255) NOT NULL,
+  `fax` varchar(255) NOT NULL,
+  `phone_extension` varchar(255) NOT NULL,
+  `direct_phone` varchar(255) NOT NULL,
+  `notes` text NOT NULL,
+  `by_vault` tinyint(1) NOT NULL COMMENT 'Added by Vault. May or may not be a real person.',
+  `blacklisted` tinyint(1) NOT NULL COMMENT 'Disregard emails from this address in future.',
+  `enabled` tinyint(1) NOT NULL DEFAULT 0,
+  `archived` tinyint(1) DEFAULT 0,
+  `primary_contact` tinyint(1) NOT NULL DEFAULT 0,
+  PRIMARY KEY (`id`)
+) ENGINE=MyISAM AUTO_INCREMENT=48276 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci;

go-app/sql/schema/enquiries.sql

@@ -0,0 +1,57 @@
+-- Enquiries table schema
+CREATE TABLE `enquiries` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `created` datetime NOT NULL,
+  `submitted` date DEFAULT NULL,
+  `title` varchar(255) NOT NULL COMMENT 'enquirynumber',
+  `user_id` int(11) NOT NULL,
+  `customer_id` int(11) NOT NULL,
+  `contact_id` int(11) NOT NULL,
+  `contact_user_id` int(11) NOT NULL,
+  `state_id` int(11) NOT NULL,
+  `country_id` int(11) NOT NULL,
+  `principle_id` int(11) NOT NULL,
+  `status_id` int(11) NOT NULL,
+  `comments` text NOT NULL,
+  `principle_code` int(3) NOT NULL COMMENT 'Numeric Principle Code',
+  `gst` tinyint(1) NOT NULL COMMENT 'GST applicable on this enquiry',
+  `billing_address_id` int(11) DEFAULT NULL,
+  `shipping_address_id` int(11) DEFAULT NULL,
+  `posted` tinyint(1) NOT NULL COMMENT 'has the enquired been posted',
+  `email_count` int(11) NOT NULL DEFAULT 0,
+  `invoice_count` int(11) NOT NULL DEFAULT 0,
+  `job_count` int(11) NOT NULL DEFAULT 0,
+  `quote_count` int(11) NOT NULL DEFAULT 0,
+  `archived` tinyint(4) NOT NULL DEFAULT 0,
+  PRIMARY KEY (`id`)
+) ENGINE=MyISAM AUTO_INCREMENT=17101 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci;
+
+-- Related tables for foreign key references
+CREATE TABLE `statuses` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `name` varchar(255) NOT NULL,
+  `color` varchar(7) DEFAULT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci;
+
+CREATE TABLE `principles` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `name` varchar(255) NOT NULL,
+  `short_name` varchar(50) DEFAULT NULL,
+  `code` int(3) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci;
+
+CREATE TABLE `states` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `name` varchar(100) NOT NULL,
+  `shortform` varchar(20) DEFAULT NULL,
+  `enqform` varchar(10) DEFAULT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci;
+
+CREATE TABLE `countries` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `name` varchar(100) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci;

go-app/sqlc.yaml

@@ -0,0 +1,14 @@
+version: "2"
+sql:
+  - engine: "mysql"
+    queries: "sql/queries/"
+    schema: "sql/schema/"
+    gen:
+      go:
+        package: "db"
+        out: "internal/cmc/db"
+        emit_json_tags: true
+        emit_prepared_queries: false
+        emit_interface: true
+        emit_exact_table_names: false
+        emit_empty_slices: true

go-app/static/css/style.css

@@ -0,0 +1,109 @@
+/* Custom styles for CMC Sales */
+
+/* Loading spinner */
+.htmx-indicator {
+    display: none;
+}
+
+.htmx-request .htmx-indicator {
+    display: inline;
+}
+
+.htmx-request.htmx-indicator {
+    display: inline;
+}
+
+/* Smooth transitions */
+.htmx-swapping {
+    opacity: 0;
+    transition: opacity 200ms ease-out;
+}
+
+.htmx-settling {
+    opacity: 1;
+    transition: opacity 200ms ease-in;
+}
+
+/* Table hover effects */
+.table.is-hoverable tbody tr:hover {
+    background-color: #f5f5f5;
+    cursor: pointer;
+}
+
+/* Form improvements */
+.field:not(:last-child) {
+    margin-bottom: 1.5rem;
+}
+
+/* Notification animations */
+.notification {
+    animation: slideIn 300ms ease-out;
+}
+
+@keyframes slideIn {
+    from {
+        transform: translateY(-20px);
+        opacity: 0;
+    }
+    to {
+        transform: translateY(0);
+        opacity: 1;
+    }
+}
+
+/* Breadcrumb improvements */
+.breadcrumb {
+    margin-bottom: 2rem;
+}
+
+/* Card hover effects */
+.card:hover {
+    box-shadow: 0 8px 16px rgba(10,10,10,.1);
+    transition: box-shadow 200ms ease;
+}
+
+/* Button loading state */
+.button.is-loading::after {
+    border-color: transparent transparent #fff #fff !important;
+}
+
+/* Responsive improvements */
+@media screen and (max-width: 768px) {
+    .level-left,
+    .level-right {
+        display: flex;
+        flex-direction: column;
+        align-items: flex-start;
+    }
+    
+    .level-right {
+        margin-top: 1rem;
+    }
+}
+
+/* Footer stick to bottom */
+body {
+    min-height: 100vh;
+    display: flex;
+    flex-direction: column;
+}
+
+.section {
+    flex: 1;
+}
+
+/* Search box improvements */
+.control.has-icons-left .input:focus ~ .icon {
+    color: #3273dc;
+}
+
+/* Table action buttons */
+.table td .buttons {
+    margin-bottom: 0;
+}
+
+/* Error states */
+.input.is-danger:focus {
+    border-color: #ff3860;
+    box-shadow: 0 0 0 0.125em rgba(255,56,96,.25);
+}

go-app/static/js/app.js

@@ -0,0 +1,112 @@
+// CMC Sales Application JavaScript
+
+// Initialize HTMX events
+document.body.addEventListener('htmx:configRequest', (event) => {
+    // Add CSRF token if needed in the future
+});
+
+// Handle HTMX errors
+document.body.addEventListener('htmx:responseError', (event) => {
+    console.error('HTMX request failed:', event.detail);
+    showNotification('An error occurred. Please try again.', 'danger');
+});
+
+// Handle form validation
+document.body.addEventListener('htmx:validation:validate', (event) => {
+    const element = event.detail.elt;
+    if (element.tagName === 'FORM') {
+        // Clear previous errors
+        element.querySelectorAll('.is-danger').forEach(el => {
+            el.classList.remove('is-danger');
+        });
+        element.querySelectorAll('.help.is-danger').forEach(el => {
+            el.remove();
+        });
+        
+        // Validate required fields
+        let isValid = true;
+        element.querySelectorAll('[required]').forEach(input => {
+            if (!input.value.trim()) {
+                input.classList.add('is-danger');
+                const help = document.createElement('p');
+                help.className = 'help is-danger';
+                help.textContent = 'This field is required';
+                input.parentElement.appendChild(help);
+                isValid = false;
+            }
+        });
+        
+        if (!isValid) {
+            event.preventDefault();
+        }
+    }
+});
+
+// Show notification
+function showNotification(message, type = 'info') {
+    const notification = document.createElement('div');
+    notification.className = `notification is-${type}`;
+    notification.innerHTML = `
+        <button class="delete"></button>
+        ${message}
+    `;
+    
+    // Insert at the top of the main content
+    const container = document.querySelector('.section .container');
+    container.insertBefore(notification, container.firstChild);
+    
+    // Auto-dismiss after 5 seconds
+    setTimeout(() => {
+        notification.remove();
+    }, 5000);
+    
+    // Handle delete button
+    notification.querySelector('.delete').addEventListener('click', () => {
+        notification.remove();
+    });
+}
+
+// Handle delete confirmations
+document.body.addEventListener('htmx:confirm', (event) => {
+    if (event.detail.question === 'Are you sure you want to delete this customer?') {
+        event.preventDefault();
+        
+        // Use Bulma modal or native confirm
+        if (confirm(event.detail.question)) {
+            event.detail.issueRequest();
+        }
+    }
+});
+
+// Handle successful deletes
+document.body.addEventListener('htmx:afterRequest', (event) => {
+    if (event.detail.xhr.status === 204 && event.detail.verb === 'delete') {
+        showNotification('Item deleted successfully', 'success');
+    }
+});
+
+// Format dates
+function formatDate(dateString) {
+    const date = new Date(dateString);
+    return date.toLocaleDateString('en-AU', {
+        year: 'numeric',
+        month: 'short',
+        day: 'numeric'
+    });
+}
+
+// Initialize tooltips if using Bulma extensions
+document.addEventListener('DOMContentLoaded', () => {
+    // Add any initialization code here
+});
+
+// Handle search clear button
+document.addEventListener('click', (event) => {
+    if (event.target.matches('[data-clear-search]')) {
+        const searchInput = document.querySelector('#customer-search');
+        if (searchInput) {
+            searchInput.value = '';
+            searchInput.dispatchEvent(new Event('keyup'));
+        }
+    }
+});

go-app/templates/customers/form.html

@@ -0,0 +1,100 @@
+{{define "title"}}{{if .Customer.ID}}Edit{{else}}New{{end}} Customer - CMC Sales{{end}}
+
+{{define "content"}}
+<div class="columns is-centered">
+    <div class="column is-8">
+        <h1 class="title">{{if .Customer.ID}}Edit{{else}}New{{end}} Customer</h1>
+        
+        <form {{if .Customer.ID}}
+                hx-put="/customers/{{.Customer.ID}}"
+              {{else}}
+                hx-post="/customers"
+              {{end}}
+              hx-target="#form-response">
+            
+            <div class="field">
+                <label class="label">Company Name</label>
+                <div class="control">
+                    <input class="input" type="text" name="name" 
+                           placeholder="Company Name" 
+                           value="{{.Customer.Name}}" required>
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Trading Name</label>
+                <div class="control">
+                    <input class="input" type="text" name="trading_name" 
+                           placeholder="Trading Name" 
+                           value="{{.Customer.TradingName}}">
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">ABN</label>
+                <div class="control">
+                    <input class="input" type="text" name="abn" 
+                           placeholder="ABN" 
+                           value="{{.Customer.Abn}}">
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Payment Terms</label>
+                <div class="control">
+                    <div class="select is-fullwidth">
+                        <select name="payment_terms">
+                            <option value="Net 30" {{if eq .Customer.PaymentTerms "Net 30"}}selected{{end}}>Net 30</option>
+                            <option value="Net 60" {{if eq .Customer.PaymentTerms "Net 60"}}selected{{end}}>Net 60</option>
+                            <option value="Net 90" {{if eq .Customer.PaymentTerms "Net 90"}}selected{{end}}>Net 90</option>
+                            <option value="COD" {{if eq .Customer.PaymentTerms "COD"}}selected{{end}}>COD</option>
+                            <option value="Prepaid" {{if eq .Customer.PaymentTerms "Prepaid"}}selected{{end}}>Prepaid</option>
+                        </select>
+                    </div>
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Website URL</label>
+                <div class="control">
+                    <input class="input" type="url" name="url" 
+                           placeholder="https://example.com" 
+                           value="{{.Customer.Url}}">
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Notes</label>
+                <div class="control">
+                    <textarea class="textarea" name="notes" 
+                              placeholder="Customer notes...">{{.Customer.Notes}}</textarea>
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Discount Pricing Policies</label>
+                <div class="control">
+                    <textarea class="textarea" name="discount_pricing_policies" 
+                              placeholder="Discount policies...">{{.Customer.DiscountPricingPolicies}}</textarea>
+                </div>
+            </div>
+            
+            <div id="form-response"></div>
+            
+            <div class="field is-grouped">
+                <div class="control">
+                    <button class="button is-primary" type="submit">
+                        <span class="icon">
+                            <i class="fas fa-save"></i>
+                        </span>
+                        <span>Save</span>
+                    </button>
+                </div>
+                <div class="control">
+                    <a href="/customers" class="button is-light">Cancel</a>
+                </div>
+            </div>
+        </form>
+    </div>
+</div>
+{{end}}

go-app/templates/customers/index.html

@@ -0,0 +1,47 @@
+{{define "title"}}Customers - CMC Sales{{end}}
+
+{{define "content"}}
+<div class="level">
+    <div class="level-left">
+        <div class="level-item">
+            <h1 class="title">Customers</h1>
+        </div>
+    </div>
+    <div class="level-right">
+        <div class="level-item">
+            <a href="/customers/new" class="button is-primary">
+                <span class="icon">
+                    <i class="fas fa-plus"></i>
+                </span>
+                <span>New Customer</span>
+            </a>
+        </div>
+    </div>
+</div>
+
+<!-- Search Box -->
+<div class="box">
+    <div class="field has-addons">
+        <div class="control has-icons-left is-expanded">
+            <input class="input" type="text" placeholder="Search customers..." 
+                   name="search" id="customer-search"
+                   hx-get="/customers/search" 
+                   hx-trigger="keyup changed delay:500ms" 
+                   hx-target="#customer-table-container">
+            <span class="icon is-left">
+                <i class="fas fa-search"></i>
+            </span>
+        </div>
+        <div class="control">
+            <button class="button is-info" onclick="document.getElementById('customer-search').value=''">
+                Clear
+            </button>
+        </div>
+    </div>
+</div>
+
+<!-- Customer Table Container -->
+<div id="customer-table-container">
+    {{template "customer-table" .}}
+</div>
+{{end}}

go-app/templates/customers/show.html

@@ -0,0 +1,121 @@
+{{define "title"}}{{.Customer.Name}} - CMC Sales{{end}}
+
+{{define "content"}}
+<nav class="breadcrumb" aria-label="breadcrumbs">
+    <ul>
+        <li><a href="/">Home</a></li>
+        <li><a href="/customers">Customers</a></li>
+        <li class="is-active"><a href="#" aria-current="page">{{.Customer.Name}}</a></li>
+    </ul>
+</nav>
+
+<div class="level">
+    <div class="level-left">
+        <div class="level-item">
+            <h1 class="title">{{.Customer.Name}}</h1>
+        </div>
+    </div>
+    <div class="level-right">
+        <div class="level-item">
+            <a href="/customers/{{.Customer.ID}}/edit" class="button is-info">
+                <span class="icon">
+                    <i class="fas fa-edit"></i>
+                </span>
+                <span>Edit</span>
+            </a>
+        </div>
+    </div>
+</div>
+
+<div class="columns">
+    <div class="column is-8">
+        <div class="box">
+            <h2 class="subtitle">Customer Information</h2>
+            
+            <table class="table is-fullwidth">
+                <tbody>
+                    <tr>
+                        <th>Company Name:</th>
+                        <td>{{.Customer.Name}}</td>
+                    </tr>
+                    <tr>
+                        <th>Trading Name:</th>
+                        <td>{{if .Customer.TradingName}}{{.Customer.TradingName}}{{else}}<span class="has-text-grey">Not specified</span>{{end}}</td>
+                    </tr>
+                    <tr>
+                        <th>ABN:</th>
+                        <td>{{if .Customer.Abn.Valid}}{{.Customer.Abn.String}}{{else}}<span class="has-text-grey">Not specified</span>{{end}}</td>
+                    </tr>
+                    <tr>
+                        <th>Payment Terms:</th>
+                        <td>{{.Customer.PaymentTerms}}</td>
+                    </tr>
+                    <tr>
+                        <th>Website:</th>
+                        <td>
+                            {{if .Customer.Url}}
+                                <a href="{{.Customer.Url}}" target="_blank">{{.Customer.Url}}</a>
+                            {{else}}
+                                <span class="has-text-grey">Not specified</span>
+                            {{end}}
+                        </td>
+                    </tr>
+                    <tr>
+                        <th>Created:</th>
+                        <td>{{.Customer.Created}}</td>
+                    </tr>
+                </tbody>
+            </table>
+        </div>
+        
+        {{if .Customer.Notes}}
+        <div class="box">
+            <h2 class="subtitle">Notes</h2>
+            <div class="content">
+                <p>{{.Customer.Notes}}</p>
+            </div>
+        </div>
+        {{end}}
+        
+        {{if .Customer.DiscountPricingPolicies}}
+        <div class="box">
+            <h2 class="subtitle">Discount Pricing Policies</h2>
+            <div class="content">
+                <p>{{.Customer.DiscountPricingPolicies}}</p>
+            </div>
+        </div>
+        {{end}}
+    </div>
+    
+    <div class="column is-4">
+        <div class="box">
+            <h2 class="subtitle">Quick Actions</h2>
+            <div class="buttons is-fullwidth">
+                <a href="/quotes/new?customer_id={{.Customer.ID}}" class="button is-primary is-fullwidth">
+                    <span class="icon">
+                        <i class="fas fa-file-invoice-dollar"></i>
+                    </span>
+                    <span>Create Quote</span>
+                </a>
+                <a href="/invoices/new?customer_id={{.Customer.ID}}" class="button is-info is-fullwidth">
+                    <span class="icon">
+                        <i class="fas fa-file-invoice"></i>
+                    </span>
+                    <span>Create Invoice</span>
+                </a>
+            </div>
+        </div>
+        
+        <div class="box">
+            <h2 class="subtitle">Recent Activity</h2>
+            <div id="customer-activity" hx-get="/api/customers/{{.Customer.ID}}/activity" hx-trigger="load">
+                <div class="has-text-centered">
+                    <span class="icon">
+                        <i class="fas fa-spinner fa-pulse"></i>
+                    </span>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{{end}}

go-app/templates/customers/table.html

@@ -0,0 +1,68 @@
+{{define "customer-table"}}
+<div class="table-container">
+    <table class="table is-fullwidth is-striped is-hoverable">
+        <thead>
+            <tr>
+                <th>ID</th>
+                <th>Name</th>
+                <th>Trading Name</th>
+                <th>ABN</th>
+                <th>Payment Terms</th>
+                <th>Actions</th>
+            </tr>
+        </thead>
+        <tbody>
+            {{range .Customers}}
+            <tr>
+                <td>{{.ID}}</td>
+                <td>
+                    <a href="/customers/{{.ID}}">{{.Name}}</a>
+                </td>
+                <td>{{.TradingName}}</td>
+                <td>{{.Abn}}</td>
+                <td>{{.PaymentTerms}}</td>
+                <td>
+                    <div class="buttons are-small">
+                        <a href="/customers/{{.ID}}/edit" class="button is-info is-outlined">
+                            <span class="icon">
+                                <i class="fas fa-edit"></i>
+                            </span>
+                        </a>
+                        <button class="button is-danger is-outlined" 
+                                hx-delete="/customers/{{.ID}}" 
+                                hx-confirm="Are you sure you want to delete this customer?"
+                                hx-target="closest tr"
+                                hx-swap="outerHTML">
+                            <span class="icon">
+                                <i class="fas fa-trash"></i>
+                            </span>
+                        </button>
+                    </div>
+                </td>
+            </tr>
+            {{else}}
+            <tr>
+                <td colspan="6" class="has-text-centered">
+                    <p class="has-text-grey">No customers found</p>
+                </td>
+            </tr>
+            {{end}}
+        </tbody>
+    </table>
+</div>
+
+<!-- Pagination -->
+{{if .Customers}}
+<nav class="pagination is-centered" role="navigation" aria-label="pagination">
+    <a class="pagination-previous" {{if eq .Page 1}}disabled{{end}}
+       hx-get="/customers?page={{.PrevPage}}" 
+       hx-target="#customer-table-container">Previous</a>
+    <a class="pagination-next" {{if not .HasMore}}disabled{{end}}
+       hx-get="/customers?page={{.NextPage}}" 
+       hx-target="#customer-table-container">Next</a>
+    <ul class="pagination-list">
+        <li><span class="pagination-ellipsis">Page {{.Page}}</span></li>
+    </ul>
+</nav>
+{{end}}
+{{end}}

go-app/templates/enquiries/form.html

@@ -0,0 +1,270 @@
+{{define "title"}}{{if .Enquiry.ID}}Edit{{else}}New{{end}} Enquiry - CMC Sales{{end}}
+
+{{define "content"}}
+<div class="columns">
+    <div class="column is-8 is-offset-2">
+        <div class="card">
+            <header class="card-header">
+                <p class="card-header-title">
+                    {{if .Enquiry.ID}}
+                        Edit Enquiry: {{.Enquiry.Title}}
+                    {{else}}
+                        New Enquiry
+                    {{end}}
+                </p>
+            </header>
+            <div class="card-content">
+                <form 
+                    {{if .Enquiry.ID}}
+                        hx-put="/api/v1/enquiries/{{.Enquiry.ID}}"
+                    {{else}}
+                        hx-post="/api/v1/enquiries"
+                    {{end}}
+                    hx-headers='{"Content-Type": "application/json"}'
+                    hx-target="#form-response">
+                    
+                    <!-- Basic Information -->
+                    <div class="field">
+                        <label class="label">Title/Enquiry Number</label>
+                        <div class="control">
+                            <input 
+                                class="input" 
+                                type="text" 
+                                name="title" 
+                                value="{{.Enquiry.Title}}"
+                                placeholder="Auto-generated if left blank">
+                        </div>
+                    </div>
+
+                    <div class="columns">
+                        <div class="column">
+                            <div class="field">
+                                <label class="label">User (Sales Rep)</label>
+                                <div class="control">
+                                    <div class="select is-fullwidth">
+                                        <select name="user_id" required>
+                                            <option value="">Select User</option>
+                                            {{range .Users}}
+                                                <option value="{{.ID}}" {{if eq .ID $.Enquiry.UserID}}selected{{end}}>
+                                                    {{.FirstName}} {{.LastName}}
+                                                </option>
+                                            {{end}}
+                                        </select>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                        <div class="column">
+                            <div class="field">
+                                <label class="label">Status</label>
+                                <div class="control">
+                                    <div class="select is-fullwidth">
+                                        <select name="status_id" required>
+                                            {{range .Statuses}}
+                                                <option value="{{.ID}}" {{if eq .ID $.Enquiry.StatusID}}selected{{end}}>
+                                                    {{.Name}}
+                                                </option>
+                                            {{end}}
+                                        </select>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+
+                    <!-- Customer and Contact -->
+                    <div class="columns">
+                        <div class="column">
+                            <div class="field">
+                                <label class="label">Customer</label>
+                                <div class="control">
+                                    <div class="select is-fullwidth">
+                                        <select name="customer_id" required>
+                                            <option value="">Select Customer</option>
+                                            {{range .Customers}}
+                                                <option value="{{.ID}}" {{if eq .ID $.Enquiry.CustomerID}}selected{{end}}>
+                                                    {{.Name}}
+                                                </option>
+                                            {{end}}
+                                        </select>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                        <div class="column">
+                            <div class="field">
+                                <label class="label">Contact</label>
+                                <div class="control">
+                                    <div class="select is-fullwidth">
+                                        <select name="contact_user_id" required>
+                                            <option value="">Select Contact</option>
+                                            {{range .Contacts}}
+                                                <option value="{{.ID}}" {{if eq .ID $.Enquiry.ContactUserID}}selected{{end}}>
+                                                    {{.FirstName}} {{.LastName}}
+                                                </option>
+                                            {{end}}
+                                        </select>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+
+                    <!-- Location -->
+                    <div class="columns">
+                        <div class="column">
+                            <div class="field">
+                                <label class="label">State</label>
+                                <div class="control">
+                                    <div class="select is-fullwidth">
+                                        <select name="state_id" required>
+                                            {{range .States}}
+                                                <option value="{{.ID}}" {{if eq .ID $.Enquiry.StateID}}selected{{end}}>
+                                                    {{.Name}}
+                                                </option>
+                                            {{end}}
+                                        </select>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                        <div class="column">
+                            <div class="field">
+                                <label class="label">Country</label>
+                                <div class="control">
+                                    <div class="select is-fullwidth">
+                                        <select name="country_id" required>
+                                            {{range .Countries}}
+                                                <option value="{{.ID}}" {{if eq .ID $.Enquiry.CountryID}}selected{{end}}>
+                                                    {{.Name}}
+                                                </option>
+                                            {{end}}
+                                        </select>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+
+                    <!-- Principle -->
+                    <div class="field">
+                        <label class="label">Principle (Supplier)</label>
+                        <div class="control">
+                            <div class="select is-fullwidth">
+                                <select name="principle_id" required>
+                                    <option value="">Select Principle</option>
+                                    {{range .Principles}}
+                                        <option value="{{.ID}}" {{if eq .ID $.Enquiry.PrincipleID}}selected{{end}}>
+                                            {{if .ShortName}}
+                                                {{.ShortName}} - {{.Name}}
+                                            {{else}}
+                                                {{.Name}}
+                                            {{end}}
+                                        </option>
+                                    {{end}}
+                                </select>
+                            </div>
+                        </div>
+                    </div>
+
+                    <!-- Comments -->
+                    <div class="field">
+                        <label class="label">Comments</label>
+                        <div class="control">
+                            <textarea 
+                                class="textarea" 
+                                name="comments" 
+                                rows="4"
+                                placeholder="Enter enquiry details and comments...">{{.Enquiry.Comments}}</textarea>
+                        </div>
+                    </div>
+
+                    <!-- Options -->
+                    <div class="field">
+                        <div class="control">
+                            <label class="checkbox">
+                                <input type="checkbox" name="gst" {{if .Enquiry.Gst}}checked{{end}}>
+                                GST Applicable
+                            </label>
+                        </div>
+                    </div>
+
+                    <div class="field">
+                        <div class="control">
+                            <label class="checkbox">
+                                <input type="checkbox" name="posted" {{if .Enquiry.Posted}}checked{{end}}>
+                                Posted
+                            </label>
+                        </div>
+                    </div>
+
+                    {{if not .Enquiry.ID}}
+                    <div class="field">
+                        <div class="control">
+                            <label class="checkbox">
+                                <input type="checkbox" name="send_enquiry_email" checked>
+                                Send enquiry email to contact
+                            </label>
+                        </div>
+                    </div>
+                    {{end}}
+
+                    <!-- Submit Buttons -->
+                    <div class="field is-grouped">
+                        <div class="control">
+                            <button type="submit" class="button is-primary">
+                                {{if .Enquiry.ID}}Update{{else}}Create{{end}} Enquiry
+                            </button>
+                        </div>
+                        <div class="control">
+                            <a href="/enquiries" class="button is-light">Cancel</a>
+                        </div>
+                    </div>
+
+                    <!-- Response area -->
+                    <div id="form-response"></div>
+                </form>
+            </div>
+        </div>
+    </div>
+</div>
+{{end}}
+
+{{define "scripts"}}
+<script>
+    // Handle form submission success
+    document.addEventListener('htmx:afterSwap', function(evt) {
+        if (evt.detail.target.id === 'form-response') {
+            // Redirect to enquiry view on successful creation/update
+            const response = evt.detail.xhr.response;
+            if (evt.detail.xhr.status === 200 || evt.detail.xhr.status === 201) {
+                try {
+                    const enquiry = JSON.parse(response);
+                    window.location.href = '/enquiries/' + enquiry.id;
+                } catch (e) {
+                    // If parsing fails, redirect to index
+                    window.location.href = '/enquiries';
+                }
+            }
+        }
+    });
+
+    // Customer selection triggers contact loading
+    document.querySelector('select[name="customer_id"]').addEventListener('change', function(e) {
+        const customerId = e.target.value;
+        if (customerId) {
+            // Load contacts for selected customer
+            fetch(`/api/v1/customers/${customerId}/contacts`)
+                .then(response => response.json())
+                .then(contacts => {
+                    const contactSelect = document.querySelector('select[name="contact_user_id"]');
+                    contactSelect.innerHTML = '<option value="">Select Contact</option>';
+                    contacts.forEach(contact => {
+                        contactSelect.innerHTML += `<option value="${contact.id}">${contact.first_name} ${contact.last_name}</option>`;
+                    });
+                })
+                .catch(err => console.error('Failed to load contacts:', err));
+        }
+    });
+</script>
+{{end}}

go-app/templates/enquiries/index.html

@@ -0,0 +1,159 @@
+{{define "title"}}Enquiries - CMC Sales{{end}}
+
+{{define "head"}}
+<style>
+    /* Status-based row coloring matching CakePHP template */
+    .jobwon { background-color: #ffff99 !important; }
+    .joblost { background-color: #ff9999 !important; }
+    .information { background-color: #99ccff !important; }
+    .informationsent { background-color: #99ffcc !important; }
+    .quoted { background-color: #ccccff !important; }
+    .requestforquote { background-color: #ffcccc !important; }
+    .posted { font-weight: bold; }
+    .notposted { font-style: italic; color: #666; }
+    
+    .enquiry-table {
+        font-size: 0.875rem;
+    }
+    
+    .enquiry-table td {
+        padding: 0.5rem 0.25rem;
+        vertical-align: middle;
+    }
+    
+    .archived-row {
+        opacity: 0.6;
+    }
+    
+    .status-dropdown {
+        min-width: 120px;
+    }
+</style>
+{{end}}
+
+{{define "content"}}
+<div class="level">
+    <div class="level-left">
+        <div class="level-item">
+            <h1 class="title">Enquiries</h1>
+        </div>
+    </div>
+    <div class="level-right">
+        <div class="level-item">
+            <a href="/enquiries/new" class="button is-primary">
+                <span class="icon">
+                    <i class="fas fa-plus"></i>
+                </span>
+                <span>New Enquiry</span>
+            </a>
+        </div>
+    </div>
+</div>
+
+<!-- Search Box -->
+<div class="box">
+    <div class="field has-addons">
+        <div class="control is-expanded">
+            <input 
+                class="input" 
+                type="text" 
+                placeholder="Search enquiries, customers, or contacts..."
+                hx-get="/enquiries/search"
+                hx-trigger="keyup changed delay:300ms"
+                hx-target="#enquiry-table"
+                hx-include="[name='page']"
+                name="search">
+        </div>
+        <div class="control">
+            <button class="button is-info" type="button">Search</button>
+        </div>
+    </div>
+</div>
+
+<!-- Deleted Enquiries Toggle -->
+<div class="box">
+    <div class="field is-grouped">
+        <div class="control">
+            <label class="label">Archived Enquiries:</label>
+        </div>
+        <div class="control">
+            <button 
+                id="show-archived" 
+                class="button is-small"
+                hx-get="/enquiries?archived=true"
+                hx-target="#enquiry-table">
+                Show
+            </button>
+        </div>
+        <div class="control">
+            <button 
+                id="hide-archived" 
+                class="button is-small"
+                hx-get="/enquiries"
+                hx-target="#enquiry-table">
+                Hide
+            </button>
+        </div>
+    </div>
+</div>
+
+<!-- Pagination Info -->
+<div class="content">
+    <p>
+        Page {{.Page}} of pages, showing {{len .Enquiries}} Enquiries
+    </p>
+</div>
+
+<!-- Pagination Top -->
+<nav class="pagination is-centered" role="navigation">
+    {{if gt .Page 1}}
+        <a class="pagination-previous" 
+           hx-get="/enquiries?page={{.PrevPage}}"
+           hx-target="#enquiry-table">Previous</a>
+    {{else}}
+        <a class="pagination-previous" disabled>Previous</a>
+    {{end}}
+    
+    {{if .HasMore}}
+        <a class="pagination-next"
+           hx-get="/enquiries?page={{.NextPage}}"
+           hx-target="#enquiry-table">Next page</a>
+    {{else}}
+        <a class="pagination-next" disabled>Next page</a>
+    {{end}}
+</nav>
+
+<!-- Enquiry Table -->
+<div id="enquiry-table">
+    {{template "enquiry-table" .}}
+</div>
+
+<!-- Pagination Bottom -->
+<nav class="pagination is-centered" role="navigation">
+    {{if gt .Page 1}}
+        <a class="pagination-previous" 
+           hx-get="/enquiries?page={{.PrevPage}}"
+           hx-target="#enquiry-table">Previous</a>
+    {{else}}
+        <a class="pagination-previous" disabled>Previous</a>
+    {{end}}
+    
+    {{if .HasMore}}
+        <a class="pagination-next"
+           hx-get="/enquiries?page={{.NextPage}}"
+           hx-target="#enquiry-table">Next page</a>
+    {{else}}
+        <a class="pagination-next" disabled>Next page</a>
+    {{end}}
+</nav>
+{{end}}
+
+{{define "scripts"}}
+<script>
+    // Handle status updates via HTMX
+    document.addEventListener('htmx:afterSwap', function(evt) {
+        // Re-initialize any JavaScript needed after HTMX updates
+        console.log('HTMX content updated');
+    });
+</script>
+{{end}}

go-app/templates/enquiries/show.html

@@ -0,0 +1,326 @@
+{{define "title"}}Enquiry: {{.Enquiry.Title}} - CMC Sales{{end}}
+
+{{define "content"}}
+<!-- Header -->
+<div class="level">
+    <div class="level-left">
+        <div class="level-item">
+            <h1 class="title">Enquiry: {{.Enquiry.Title}}</h1>
+        </div>
+    </div>
+    <div class="level-right">
+        <div class="level-item">
+            <div class="buttons">
+                <a href="/enquiries/{{.Enquiry.ID}}/edit" class="button is-warning">
+                    <span class="icon">
+                        <i class="fas fa-edit"></i>
+                    </span>
+                    <span>Edit</span>
+                </a>
+                <a href="/enquiries" class="button is-light">
+                    <span class="icon">
+                        <i class="fas fa-arrow-left"></i>
+                    </span>
+                    <span>Back to List</span>
+                </a>
+            </div>
+        </div>
+    </div>
+</div>
+
+<div class="columns">
+    <!-- Main Enquiry Details -->
+    <div class="column is-8">
+        <div class="card">
+            <header class="card-header">
+                <p class="card-header-title">Enquiry Details</p>
+            </header>
+            <div class="card-content">
+                <div class="content">
+                    <div class="columns">
+                        <div class="column">
+                            <table class="table is-fullwidth">
+                                <tbody>
+                                    <tr>
+                                        <td><strong>Enquiry Number:</strong></td>
+                                        <td>{{.Enquiry.Title}}</td>
+                                    </tr>
+                                    <tr>
+                                        <td><strong>Created:</strong></td>
+                                        <td>{{.Enquiry.Created.Format "2 Jan 2006 15:04"}}</td>
+                                    </tr>
+                                    {{if .Enquiry.Submitted.Valid}}
+                                    <tr>
+                                        <td><strong>Submitted:</strong></td>
+                                        <td>{{.Enquiry.Submitted.Time.Format "2 Jan 2006"}}</td>
+                                    </tr>
+                                    {{end}}
+                                    <tr>
+                                        <td><strong>Sales Rep:</strong></td>
+                                        <td>
+                                            {{if and .Enquiry.UserFirstName.Valid .Enquiry.UserLastName.Valid}}
+                                                <a href="/users/{{.Enquiry.UserID}}">
+                                                    {{.Enquiry.UserFirstName.String}} {{.Enquiry.UserLastName.String}}
+                                                </a>
+                                            {{else}}
+                                                -
+                                            {{end}}
+                                        </td>
+                                    </tr>
+                                    <tr>
+                                        <td><strong>Status:</strong></td>
+                                        <td>
+                                            <span class="tag is-info">
+                                                {{if .Enquiry.StatusName.Valid}}
+                                                    {{.Enquiry.StatusName.String}}
+                                                {{else}}
+                                                    Unknown
+                                                {{end}}
+                                            </span>
+                                        </td>
+                                    </tr>
+                                    <tr>
+                                        <td><strong>Posted:</strong></td>
+                                        <td>
+                                            {{if .Enquiry.Posted}}
+                                                <span class="tag is-success">Yes</span>
+                                            {{else}}
+                                                <span class="tag is-warning">No</span>
+                                            {{end}}
+                                        </td>
+                                    </tr>
+                                    <tr>
+                                        <td><strong>GST:</strong></td>
+                                        <td>
+                                            {{if .Enquiry.Gst}}
+                                                <span class="tag is-success">Applicable</span>
+                                            {{else}}
+                                                <span class="tag is-light">Not Applicable</span>
+                                            {{end}}
+                                        </td>
+                                    </tr>
+                                </tbody>
+                            </table>
+                        </div>
+                    </div>
+
+                    {{if .Enquiry.Comments}}
+                    <div class="field">
+                        <label class="label">Comments</label>
+                        <div class="content">
+                            <p style="white-space: pre-wrap;">{{.Enquiry.Comments}}</p>
+                        </div>
+                    </div>
+                    {{end}}
+                </div>
+            </div>
+        </div>
+
+        <!-- Related Documents -->
+        <div class="card mt-5">
+            <header class="card-header">
+                <p class="card-header-title">Related Documents</p>
+            </header>
+            <div class="card-content">
+                <div class="content">
+                    <div class="columns">
+                        <div class="column">
+                            <h6 class="subtitle is-6">Quick Stats</h6>
+                            <div class="tags">
+                                <span class="tag">{{.Enquiry.EmailCount}} Emails</span>
+                                <span class="tag">{{.Enquiry.QuoteCount}} Quotes</span>
+                                <span class="tag">{{.Enquiry.InvoiceCount}} Invoices</span>
+                                <span class="tag">{{.Enquiry.JobCount}} Jobs</span>
+                            </div>
+                        </div>
+                    </div>
+                    
+                    <!-- Placeholder for related documents - would need additional queries -->
+                    <div class="notification is-light">
+                        <p><strong>Note:</strong> Related quotes, invoices, jobs, and email correspondence would be displayed here. These require additional database queries and relationships to be implemented.</p>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <!-- Sidebar -->
+    <div class="column is-4">
+        <!-- Customer Information -->
+        <div class="card">
+            <header class="card-header">
+                <p class="card-header-title">Customer</p>
+            </header>
+            <div class="card-content">
+                <div class="content">
+                    {{if .Enquiry.CustomerName.Valid}}
+                        <h6 class="subtitle is-6">
+                            <a href="/customers/{{.Enquiry.CustomerID}}">{{.Enquiry.CustomerName.String}}</a>
+                        </h6>
+                    {{end}}
+                    
+                    <table class="table is-fullwidth">
+                        <tbody>
+                            <tr>
+                                <td><strong>Contact:</strong></td>
+                                <td>
+                                    {{if and .Enquiry.ContactFirstName.Valid .Enquiry.ContactLastName.Valid}}
+                                        <a href="/users/{{.Enquiry.ContactUserID}}">
+                                            {{.Enquiry.ContactFirstName.String}} {{.Enquiry.ContactLastName.String}}
+                                        </a>
+                                    {{else}}
+                                        -
+                                    {{end}}
+                                </td>
+                            </tr>
+                            {{if .Enquiry.ContactEmail.Valid}}
+                            <tr>
+                                <td><strong>Email:</strong></td>
+                                <td>
+                                    <a href="mailto:{{.Enquiry.ContactEmail.String}}?subject={{.Enquiry.Title}}&bcc=carpis@cmctechnologies.com.au">
+                                        {{.Enquiry.ContactEmail.String}}
+                                    </a>
+                                </td>
+                            </tr>
+                            {{end}}
+                            <tr>
+                                <td><strong>Phone:</strong></td>
+                                <td>
+                                    {{if .Enquiry.ContactMobile.Valid}}
+                                        {{.Enquiry.ContactMobile.String}}
+                                    {{else if .Enquiry.ContactDirectPhone.Valid}}
+                                        {{.Enquiry.ContactDirectPhone.String}}
+                                    {{else if .Enquiry.ContactPhone.Valid}}
+                                        {{.Enquiry.ContactPhone.String}}
+                                        {{if .Enquiry.ContactPhoneExtension.Valid}}
+                                            ext:{{.Enquiry.ContactPhoneExtension.String}}
+                                        {{end}}
+                                    {{else}}
+                                        -
+                                    {{end}}
+                                </td>
+                            </tr>
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </div>
+
+        <!-- Principle Information -->
+        <div class="card mt-4">
+            <header class="card-header">
+                <p class="card-header-title">Principle (Supplier)</p>
+            </header>
+            <div class="card-content">
+                <div class="content">
+                    {{if .Enquiry.PrincipleName.Valid}}
+                        <h6 class="subtitle is-6">
+                            <a href="/principles/{{.Enquiry.PrincipleID}}">
+                                {{if .Enquiry.PrincipleShortName.Valid}}
+                                    {{.Enquiry.PrincipleShortName.String}}
+                                {{else}}
+                                    {{.Enquiry.PrincipleName.String}}
+                                {{end}}
+                            </a>
+                        </h6>
+                        {{if and .Enquiry.PrincipleShortName.Valid .Enquiry.PrincipleName.Valid}}
+                            <p class="is-size-7">{{.Enquiry.PrincipleName.String}}</p>
+                        {{end}}
+                        <p class="is-size-7">Code: {{.Enquiry.PrincipleCode}}</p>
+                    {{end}}
+                </div>
+            </div>
+        </div>
+
+        <!-- Location Information -->
+        <div class="card mt-4">
+            <header class="card-header">
+                <p class="card-header-title">Location</p>
+            </header>
+            <div class="card-content">
+                <div class="content">
+                    <table class="table is-fullwidth">
+                        <tbody>
+                            <tr>
+                                <td><strong>State:</strong></td>
+                                <td>
+                                    {{if .Enquiry.StateName.Valid}}
+                                        {{.Enquiry.StateName.String}}
+                                    {{else}}
+                                        -
+                                    {{end}}
+                                </td>
+                            </tr>
+                            <tr>
+                                <td><strong>Country:</strong></td>
+                                <td>
+                                    {{if .Enquiry.CountryName.Valid}}
+                                        {{.Enquiry.CountryName.String}}
+                                    {{else}}
+                                        -
+                                    {{end}}
+                                </td>
+                            </tr>
+                        </tbody>
+                    </table>
+                </div>
+            </div>
+        </div>
+
+        <!-- Actions -->
+        <div class="card mt-4">
+            <header class="card-header">
+                <p class="card-header-title">Actions</p>
+            </header>
+            <div class="card-content">
+                <div class="content">
+                    <div class="buttons">
+                        {{if not .Enquiry.Submitted.Valid}}
+                        <button 
+                            class="button is-success is-fullwidth"
+                            hx-put="/api/v1/enquiries/{{.Enquiry.ID}}/mark-submitted"
+                            hx-confirm="Mark this enquiry as submitted today?"
+                            hx-target="#main-content"
+                            hx-swap="outerHTML">
+                            Mark as Submitted
+                        </button>
+                        {{end}}
+                        
+                        {{if .Enquiry.Archived}}
+                        <button 
+                            class="button is-info is-fullwidth"
+                            hx-put="/api/v1/enquiries/{{.Enquiry.ID}}/undelete"
+                            hx-confirm="Undelete this enquiry?"
+                            hx-target="#main-content"
+                            hx-swap="outerHTML">
+                            Undelete Enquiry
+                        </button>
+                        {{else}}
+                        <button 
+                            class="button is-danger is-fullwidth"
+                            hx-delete="/api/v1/enquiries/{{.Enquiry.ID}}"
+                            hx-confirm="Are you sure you want to delete this enquiry?"
+                            hx-target="#main-content"
+                            hx-swap="outerHTML">
+                            Delete Enquiry
+                        </button>
+                        {{end}}
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{{end}}
+
+{{define "scripts"}}
+<script>
+    // Handle action responses
+    document.addEventListener('htmx:afterSwap', function(evt) {
+        if (evt.detail.xhr.status === 204) {
+            // For delete/undelete actions, redirect to enquiries list
+            window.location.href = '/enquiries';
+        }
+    });
+</script>
+{{end}}

go-app/templates/enquiries/table.html

@@ -0,0 +1,192 @@
+{{define "enquiry-table"}}
+<div class="table-container">
+    <table class="table is-fullwidth is-striped is-hoverable enquiry-table">
+        <thead>
+            <tr>
+                <th>User</th>
+                <th>Date</th>
+                <th>Principle</th>
+                <th>Enquiry Number</th>
+                <th>Customer</th>
+                <th>Contact</th>
+                <th>Email</th>
+                <th>Phone No</th>
+                <th>Status</th>
+                <th>Comments</th>
+                <th>Actions</th>
+            </tr>
+        </thead>
+        <tbody>
+            {{range .Enquiries}}
+                {{$rowClass := ""}}
+                {{$nameClass := ""}}
+                
+                {{/* Set row color based on status - matching CakePHP logic */}}
+                {{if eq .StatusID 3}}
+                    {{$rowClass = "jobwon"}}
+                {{else if eq .StatusID 4}}
+                    {{$rowClass = "joblost"}}
+                {{else if eq .StatusID 8}}
+                    {{$rowClass = "joblost"}}
+                {{else if eq .StatusID 9}}
+                    {{$rowClass = "joblost"}}
+                {{else if eq .StatusID 10}}
+                    {{$rowClass = "joblost"}}
+                {{else if eq .StatusID 6}}
+                    {{$rowClass = "information"}}
+                {{else if eq .StatusID 11}}
+                    {{$rowClass = "informationsent"}}
+                {{else if eq .StatusID 5}}
+                    {{$rowClass = "quoted"}}
+                {{else if eq .StatusID 1}}
+                    {{$rowClass = "requestforquote"}}
+                {{end}}
+                
+                {{/* Set name class based on posted status */}}
+                {{if .Posted}}
+                    {{$nameClass = "posted"}}
+                {{else}}
+                    {{$nameClass = "notposted"}}
+                {{end}}
+                
+                <tr class="{{$rowClass}} {{if .Archived}}archived-row{{end}}" 
+                    id="row{{.ID}}" 
+                    data-archived="{{.Archived}}">
+                    
+                    <!-- User (initials) -->
+                    <td class="{{$nameClass}}">
+                        {{if and .UserFirstName.Valid .UserLastName.Valid}}
+                            <a href="/users/{{.UserID}}" title="{{.UserFirstName.String}} {{.UserLastName.String}}">
+                                {{slice .UserFirstName.String 0 1}}{{slice .UserLastName.String 0 1}}
+                            </a>
+                        {{else}}
+                            -
+                        {{end}}
+                    </td>
+                    
+                    <!-- Date -->
+                    <td class="enqdate">
+                        {{.Created.Format "2 Jan 2006"}}
+                    </td>
+                    
+                    <!-- Principle -->
+                    <td class="principlename">
+                        {{if .PrincipleShortName.Valid}}
+                            <a href="/principles/{{.PrincipleID}}">{{.PrincipleShortName.String}}</a>
+                        {{else if .PrincipleName.Valid}}
+                            <a href="/principles/{{.PrincipleID}}">{{.PrincipleName.String}}</a>
+                        {{else}}
+                            -
+                        {{end}}
+                    </td>
+                    
+                    <!-- Enquiry Number -->
+                    <td>
+                        <a href="/enquiries/{{.ID}}">{{.Title}}</a>
+                    </td>
+                    
+                    <!-- Customer -->
+                    <td class="customername">
+                        {{if .CustomerName.Valid}}
+                            <a href="/customers/{{.CustomerID}}">{{.CustomerName.String}}</a>
+                        {{else}}
+                            -
+                        {{end}}
+                    </td>
+                    
+                    <!-- Contact -->
+                    <td class="contactname">
+                        {{if and .ContactFirstName.Valid .ContactLastName.Valid}}
+                            <a href="/users/{{.ContactUserID}}">{{.ContactFirstName.String}} {{.ContactLastName.String}}</a>
+                        {{else}}
+                            -
+                        {{end}}
+                    </td>
+                    
+                    <!-- Email -->
+                    <td class="contactemail">
+                        {{if .ContactEmail.Valid}}
+                            <a href="mailto:{{.ContactEmail.String}}?subject={{.Title}}&bcc=carpis@cmctechnologies.com.au">
+                                {{.ContactEmail.String}}
+                            </a>
+                        {{else}}
+                            -
+                        {{end}}
+                    </td>
+                    
+                    <!-- Phone -->
+                    <td class="contactphone">
+                        {{if .ContactMobile.Valid}}
+                            {{.ContactMobile.String}}
+                        {{else if .ContactDirectPhone.Valid}}
+                            {{.ContactDirectPhone.String}}
+                        {{else if .ContactPhone.Valid}}
+                            {{.ContactPhone.String}}
+                            {{if .ContactPhoneExtension.Valid}}
+                                ext:{{.ContactPhoneExtension.String}}
+                            {{end}}
+                        {{else}}
+                            -
+                        {{end}}
+                    </td>
+                    
+                    <!-- Status (editable) -->
+                    <td class="statusTD">
+                        <div class="status" id="{{.ID}}">
+                            {{if .StatusName.Valid}}
+                                {{.StatusName.String}}
+                            {{else}}
+                                -
+                            {{end}}
+                        </div>
+                    </td>
+                    
+                    <!-- Comments -->
+                    <td class="comments">
+                        {{if gt (len .Comments) 150}}
+                            {{slice .Comments 0 150}}
+                            <a href="/enquiries/{{.ID}}">.....more</a>
+                        {{else}}
+                            {{.Comments}}
+                        {{end}}
+                    </td>
+                    
+                    <!-- Actions -->
+                    <td class="viewedit">
+                        <div class="buttons are-small">
+                            <a href="/enquiries/{{.ID}}" class="button is-info is-small">View</a>
+                            <a href="/enquiries/{{.ID}}/edit" class="button is-warning is-small">Edit</a>
+                            
+                            {{if .Archived}}
+                                <button 
+                                    class="button is-success is-small"
+                                    hx-put="/api/v1/enquiries/{{.ID}}/undelete"
+                                    hx-confirm="Are you sure you want to undelete this enquiry?"
+                                    hx-target="#row{{.ID}}"
+                                    hx-swap="outerHTML">
+                                    Undelete
+                                </button>
+                            {{else}}
+                                <button 
+                                    class="button is-danger is-small"
+                                    hx-delete="/api/v1/enquiries/{{.ID}}"
+                                    hx-confirm="Are you sure you want to delete this enquiry?"
+                                    hx-target="#row{{.ID}}"
+                                    hx-swap="outerHTML">
+                                    Delete
+                                </button>
+                            {{end}}
+                        </div>
+                    </td>
+                </tr>
+            {{else}}
+                <tr>
+                    <td colspan="11" class="has-text-centered">
+                        <em>No enquiries found.</em>
+                    </td>
+                </tr>
+            {{end}}
+        </tbody>
+    </table>
+</div>
+{{end}}

go-app/templates/index.html

@@ -0,0 +1,120 @@
+{{define "title"}}Dashboard - CMC Sales{{end}}
+
+{{define "content"}}
+<div class="columns">
+    <div class="column">
+        <h1 class="title">CMC Sales Dashboard</h1>
+        <p class="subtitle">Welcome to the modern CMC Sales management system</p>
+    </div>
+</div>
+
+<div class="columns">
+    <!-- Customers Card -->
+    <div class="column is-3">
+        <div class="card">
+            <div class="card-content">
+                <div class="media">
+                    <div class="media-left">
+                        <span class="icon is-large has-text-primary">
+                            <i class="fas fa-users fa-2x"></i>
+                        </span>
+                    </div>
+                    <div class="media-content">
+                        <p class="title is-4">Customers</p>
+                        <p class="subtitle is-6">Manage customer accounts</p>
+                    </div>
+                </div>
+                <div class="content">
+                    <a href="/customers" class="button is-primary is-fullwidth">
+                        View Customers
+                    </a>
+                </div>
+            </div>
+        </div>
+    </div>
+    
+    <!-- Products Card -->
+    <div class="column is-3">
+        <div class="card">
+            <div class="card-content">
+                <div class="media">
+                    <div class="media-left">
+                        <span class="icon is-large has-text-info">
+                            <i class="fas fa-box fa-2x"></i>
+                        </span>
+                    </div>
+                    <div class="media-content">
+                        <p class="title is-4">Products</p>
+                        <p class="subtitle is-6">Product catalog management</p>
+                    </div>
+                </div>
+                <div class="content">
+                    <a href="/products" class="button is-info is-fullwidth">
+                        View Products
+                    </a>
+                </div>
+            </div>
+        </div>
+    </div>
+    
+    <!-- Purchase Orders Card -->
+    <div class="column is-3">
+        <div class="card">
+            <div class="card-content">
+                <div class="media">
+                    <div class="media-left">
+                        <span class="icon is-large has-text-success">
+                            <i class="fas fa-file-invoice fa-2x"></i>
+                        </span>
+                    </div>
+                    <div class="media-content">
+                        <p class="title is-4">Purchase Orders</p>
+                        <p class="subtitle is-6">Track and manage orders</p>
+                    </div>
+                </div>
+                <div class="content">
+                    <a href="/purchase-orders" class="button is-success is-fullwidth">
+                        View Orders
+                    </a>
+                </div>
+            </div>
+        </div>
+    </div>
+    
+    <!-- Enquiries Card -->
+    <div class="column is-3">
+        <div class="card">
+            <div class="card-content">
+                <div class="media">
+                    <div class="media-left">
+                        <span class="icon is-large has-text-warning">
+                            <i class="fas fa-envelope fa-2x"></i>
+                        </span>
+                    </div>
+                    <div class="media-content">
+                        <p class="title is-4">Enquiries</p>
+                        <p class="subtitle is-6">Sales enquiry management</p>
+                    </div>
+                </div>
+                <div class="content">
+                    <a href="/enquiries" class="button is-warning is-fullwidth">
+                        View Enquiries
+                    </a>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<!-- Recent Activity Section -->
+<div class="box mt-5">
+    <h2 class="title is-4">Recent Activity</h2>
+    <div id="recent-activity" hx-get="/api/recent-activity" hx-trigger="load">
+        <div class="has-text-centered">
+            <span class="icon is-large">
+                <i class="fas fa-spinner fa-pulse"></i>
+            </span>
+        </div>
+    </div>
+</div>
+{{end}}

go-app/templates/layouts/base.html

@@ -0,0 +1,106 @@
+{{define "base"}}
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>{{block "title" .}}CMC Sales{{end}}</title>
+    
+    <!-- Bulma CSS -->
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bulma@0.9.4/css/bulma.min.css">
+    
+    <!-- Font Awesome -->
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
+    
+    <!-- HTMX -->
+    <script src="https://unpkg.com/htmx.org@1.9.10"></script>
+    
+    <!-- Custom CSS -->
+    <link rel="stylesheet" href="/static/css/style.css">
+    
+    {{block "head" .}}{{end}}
+</head>
+<body>
+    <!-- Navigation -->
+    <nav class="navbar is-primary" role="navigation" aria-label="main navigation">
+        <div class="navbar-brand">
+            <a class="navbar-item" href="/">
+                <strong>CMC Sales</strong>
+            </a>
+            
+            <a role="button" class="navbar-burger" aria-label="menu" aria-expanded="false" data-target="navbarMain">
+                <span aria-hidden="true"></span>
+                <span aria-hidden="true"></span>
+                <span aria-hidden="true"></span>
+            </a>
+        </div>
+        
+        <div id="navbarMain" class="navbar-menu">
+            <div class="navbar-start">
+                <a class="navbar-item" href="/">
+                    <span class="icon"><i class="fas fa-home"></i></span>
+                    <span>Dashboard</span>
+                </a>
+                
+                <a class="navbar-item" href="/customers">
+                    <span class="icon"><i class="fas fa-users"></i></span>
+                    <span>Customers</span>
+                </a>
+                
+                <a class="navbar-item" href="/products">
+                    <span class="icon"><i class="fas fa-box"></i></span>
+                    <span>Products</span>
+                </a>
+                
+                <a class="navbar-item" href="/purchase-orders">
+                    <span class="icon"><i class="fas fa-file-invoice"></i></span>
+                    <span>Purchase Orders</span>
+                </a>
+                
+                <a class="navbar-item" href="/enquiries">
+                    <span class="icon"><i class="fas fa-envelope"></i></span>
+                    <span>Enquiries</span>
+                </a>
+            </div>
+        </div>
+    </nav>
+    
+    <!-- Main Content -->
+    <section class="section">
+        <div class="container">
+            {{block "content" .}}{{end}}
+        </div>
+    </section>
+    
+    <!-- Footer -->
+    <footer class="footer">
+        <div class="content has-text-centered">
+            <p>
+                <strong>CMC Sales</strong> &copy; 2024 CMC Technologies
+            </p>
+        </div>
+    </footer>
+    
+    <!-- Custom JS -->
+    <script src="/static/js/app.js"></script>
+    
+    <!-- Navbar toggle script -->
+    <script>
+        document.addEventListener('DOMContentLoaded', () => {
+            const $navbarBurgers = Array.prototype.slice.call(document.querySelectorAll('.navbar-burger'), 0);
+            
+            $navbarBurgers.forEach( el => {
+                el.addEventListener('click', () => {
+                    const target = el.dataset.target;
+                    const $target = document.getElementById(target);
+                    el.classList.toggle('is-active');
+                    $target.classList.toggle('is-active');
+                });
+            });
+        });
+    </script>
+    
+    {{block "scripts" .}}{{end}}
+</body>
+</html>
+{{end}}

go-app/templates/partials/notification.html

@@ -0,0 +1,6 @@
+{{define "notification"}}
+<div class="notification {{.Type}}">
+    <button class="delete"></button>
+    {{.Message}}
+</div>
+{{end}}

go-app/templates/products/form.html

@@ -0,0 +1,134 @@
+{{define "title"}}{{if .Product.ID}}Edit{{else}}New{{end}} Product - CMC Sales{{end}}
+
+{{define "content"}}
+<div class="columns is-centered">
+    <div class="column is-8">
+        <h1 class="title">{{if .Product.ID}}Edit{{else}}New{{end}} Product</h1>
+        
+        <form {{if .Product.ID}}
+                hx-put="/products/{{.Product.ID}}"
+              {{else}}
+                hx-post="/products"
+              {{end}}
+              hx-target="#form-response">
+            
+            <div class="field">
+                <label class="label">Title</label>
+                <div class="control">
+                    <input class="input" type="text" name="title" 
+                           placeholder="Product Title" 
+                           value="{{.Product.Title}}" required>
+                </div>
+                <p class="help">This must match the Title in the Excel Costing File</p>
+            </div>
+            
+            <div class="field">
+                <label class="label">Item Code</label>
+                <div class="control">
+                    <input class="input" type="text" name="item_code" 
+                           placeholder="Item Code" 
+                           value="{{.Product.ItemCode}}" required>
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Item Description</label>
+                <div class="control">
+                    <input class="input" type="text" name="item_description" 
+                           placeholder="Item Description" 
+                           value="{{.Product.ItemDescription}}" required>
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Model Number</label>
+                <div class="control">
+                    <input class="input" type="text" name="model_number" 
+                           placeholder="Model Number" 
+                           value="{{if .Product.ModelNumber.Valid}}{{.Product.ModelNumber.String}}{{end}}">
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Model Number Format</label>
+                <div class="control">
+                    <input class="input" type="text" name="model_number_format" 
+                           placeholder="%1% - first item, %2% - second item etc" 
+                           value="{{if .Product.ModelNumberFormat.Valid}}{{.Product.ModelNumberFormat.String}}{{end}}">
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Stock Type</label>
+                <div class="control">
+                    <div class="select is-fullwidth">
+                        <select name="stock">
+                            <option value="1" {{if .Product.Stock}}selected{{end}}>Stock</option>
+                            <option value="0" {{if not .Product.Stock}}selected{{end}}>Indent</option>
+                        </select>
+                    </div>
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Category</label>
+                <div class="control">
+                    <div class="select is-fullwidth">
+                        <select name="product_category_id">
+                            <option value="1" {{if eq .Product.ProductCategoryID 1}}selected{{end}}>Category 1</option>
+                            <option value="2" {{if eq .Product.ProductCategoryID 2}}selected{{end}}>Category 2</option>
+                            <option value="3" {{if eq .Product.ProductCategoryID 3}}selected{{end}}>Category 3</option>
+                        </select>
+                    </div>
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Principle</label>
+                <div class="control">
+                    <div class="select is-fullwidth">
+                        <select name="principle_id">
+                            <option value="1" {{if eq .Product.PrincipleID 1}}selected{{end}}>Principle 1</option>
+                            <option value="2" {{if eq .Product.PrincipleID 2}}selected{{end}}>Principle 2</option>
+                            <option value="3" {{if eq .Product.PrincipleID 3}}selected{{end}}>Principle 3</option>
+                        </select>
+                    </div>
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Description</label>
+                <div class="control">
+                    <textarea class="textarea" name="description" 
+                              placeholder="Product description...">{{.Product.Description}}</textarea>
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Notes</label>
+                <div class="control">
+                    <textarea class="textarea" name="notes" 
+                              placeholder="Product notes...">{{if .Product.Notes.Valid}}{{.Product.Notes.String}}{{end}}</textarea>
+                </div>
+                <p class="help">Notes displayed on quotes</p>
+            </div>
+            
+            <div id="form-response"></div>
+            
+            <div class="field is-grouped">
+                <div class="control">
+                    <button class="button is-primary" type="submit">
+                        <span class="icon">
+                            <i class="fas fa-save"></i>
+                        </span>
+                        <span>Save</span>
+                    </button>
+                </div>
+                <div class="control">
+                    <a href="/products" class="button is-light">Cancel</a>
+                </div>
+            </div>
+        </form>
+    </div>
+</div>
+{{end}}

go-app/templates/products/index.html

@@ -0,0 +1,67 @@
+{{define "title"}}Products - CMC Sales{{end}}
+
+{{define "content"}}
+<div class="level">
+    <div class="level-left">
+        <div class="level-item">
+            <h1 class="title">Products</h1>
+        </div>
+    </div>
+    <div class="level-right">
+        <div class="level-item">
+            <a href="/products/new" class="button is-primary">
+                <span class="icon">
+                    <i class="fas fa-plus"></i>
+                </span>
+                <span>New Product</span>
+            </a>
+        </div>
+    </div>
+</div>
+
+<!-- Search and Filter Box -->
+<div class="box">
+    <div class="columns">
+        <div class="column">
+            <div class="field has-addons">
+                <div class="control has-icons-left is-expanded">
+                    <input class="input" type="text" placeholder="Search products..." 
+                           name="search" id="product-search"
+                           hx-get="/products/search" 
+                           hx-trigger="keyup changed delay:500ms" 
+                           hx-target="#product-table-container">
+                    <span class="icon is-left">
+                        <i class="fas fa-search"></i>
+                    </span>
+                </div>
+                <div class="control">
+                    <button class="button is-info" onclick="document.getElementById('product-search').value=''; document.getElementById('product-search').dispatchEvent(new Event('keyup'))">
+                        Clear
+                    </button>
+                </div>
+            </div>
+        </div>
+        <div class="column is-narrow">
+            <div class="field">
+                <div class="control">
+                    <div class="select">
+                        <select name="category" 
+                                hx-get="/products/filter" 
+                                hx-trigger="change" 
+                                hx-target="#product-table-container">
+                            <option value="">All Categories</option>
+                            <option value="1">Category 1</option>
+                            <option value="2">Category 2</option>
+                        </select>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<!-- Product Table Container -->
+<div id="product-table-container">
+    {{template "product-table" .}}
+</div>
+{{end}}

go-app/templates/products/show.html

@@ -0,0 +1,125 @@
+{{define "title"}}{{.Product.Title}} - CMC Sales{{end}}
+
+{{define "content"}}
+<nav class="breadcrumb" aria-label="breadcrumbs">
+    <ul>
+        <li><a href="/">Home</a></li>
+        <li><a href="/products">Products</a></li>
+        <li class="is-active"><a href="#" aria-current="page">{{.Product.Title}}</a></li>
+    </ul>
+</nav>
+
+<div class="level">
+    <div class="level-left">
+        <div class="level-item">
+            <h1 class="title">{{.Product.Title}}</h1>
+        </div>
+    </div>
+    <div class="level-right">
+        <div class="level-item">
+            <a href="/products/{{.Product.ID}}/edit" class="button is-info">
+                <span class="icon">
+                    <i class="fas fa-edit"></i>
+                </span>
+                <span>Edit</span>
+            </a>
+        </div>
+    </div>
+</div>
+
+<div class="columns">
+    <div class="column is-8">
+        <div class="box">
+            <h2 class="subtitle">Product Information</h2>
+            
+            <table class="table is-fullwidth">
+                <tbody>
+                    <tr>
+                        <th>Title:</th>
+                        <td>{{.Product.Title}}</td>
+                    </tr>
+                    <tr>
+                        <th>Item Code:</th>
+                        <td><span class="tag is-info">{{.Product.ItemCode}}</span></td>
+                    </tr>
+                    <tr>
+                        <th>Item Description:</th>
+                        <td>{{.Product.ItemDescription}}</td>
+                    </tr>
+                    <tr>
+                        <th>Model Number:</th>
+                        <td>{{if .Product.ModelNumber.Valid}}{{.Product.ModelNumber.String}}{{else}}<span class="has-text-grey">Not specified</span>{{end}}</td>
+                    </tr>
+                    <tr>
+                        <th>Stock Type:</th>
+                        <td>
+                            {{if .Product.Stock}}
+                                <span class="tag is-success">Stock</span>
+                            {{else}}
+                                <span class="tag is-warning">Indent</span>
+                            {{end}}
+                        </td>
+                    </tr>
+                    <tr>
+                        <th>Category:</th>
+                        <td>Category {{.Product.ProductCategoryID}}</td>
+                    </tr>
+                    <tr>
+                        <th>Principle:</th>
+                        <td>Principle {{.Product.PrincipleID}}</td>
+                    </tr>
+                </tbody>
+            </table>
+        </div>
+        
+        {{if .Product.Description}}
+        <div class="box">
+            <h2 class="subtitle">Description</h2>
+            <div class="content">
+                <p>{{.Product.Description}}</p>
+            </div>
+        </div>
+        {{end}}
+        
+        {{if .Product.Notes.Valid}}
+        <div class="box">
+            <h2 class="subtitle">Notes</h2>
+            <div class="content">
+                <p>{{.Product.Notes.String}}</p>
+            </div>
+        </div>
+        {{end}}
+    </div>
+    
+    <div class="column is-4">
+        <div class="box">
+            <h2 class="subtitle">Quick Actions</h2>
+            <div class="buttons is-fullwidth">
+                <a href="/quotes/new?product_id={{.Product.ID}}" class="button is-primary is-fullwidth">
+                    <span class="icon">
+                        <i class="fas fa-file-invoice-dollar"></i>
+                    </span>
+                    <span>Add to Quote</span>
+                </a>
+                <a href="/purchase-orders/new?product_id={{.Product.ID}}" class="button is-info is-fullwidth">
+                    <span class="icon">
+                        <i class="fas fa-shopping-cart"></i>
+                    </span>
+                    <span>Create PO</span>
+                </a>
+            </div>
+        </div>
+        
+        <div class="box">
+            <h2 class="subtitle">Product Usage</h2>
+            <div id="product-usage" hx-get="/api/products/{{.Product.ID}}/usage" hx-trigger="load">
+                <div class="has-text-centered">
+                    <span class="icon">
+                        <i class="fas fa-spinner fa-pulse"></i>
+                    </span>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{{end}}

go-app/templates/products/table.html

@@ -0,0 +1,78 @@
+{{define "product-table"}}
+<div class="table-container">
+    <table class="table is-fullwidth is-striped is-hoverable">
+        <thead>
+            <tr>
+                <th>ID</th>
+                <th>Title</th>
+                <th>Item Code</th>
+                <th>Description</th>
+                <th>Model Number</th>
+                <th>Stock Type</th>
+                <th>Actions</th>
+            </tr>
+        </thead>
+        <tbody>
+            {{range .Products}}
+            <tr>
+                <td>{{.ID}}</td>
+                <td>
+                    <a href="/products/{{.ID}}">{{.Title}}</a>
+                </td>
+                <td>
+                    <span class="tag is-info">{{.ItemCode}}</span>
+                </td>
+                <td>{{truncate .Description 50}}</td>
+                <td>{{if .ModelNumber.Valid}}{{.ModelNumber.String}}{{else}}<span class="has-text-grey">-</span>{{end}}</td>
+                <td>
+                    {{if .Stock}}
+                        <span class="tag is-success">Stock</span>
+                    {{else}}
+                        <span class="tag is-warning">Indent</span>
+                    {{end}}
+                </td>
+                <td>
+                    <div class="buttons are-small">
+                        <a href="/products/{{.ID}}/edit" class="button is-info is-outlined">
+                            <span class="icon">
+                                <i class="fas fa-edit"></i>
+                            </span>
+                        </a>
+                        <button class="button is-danger is-outlined" 
+                                hx-delete="/products/{{.ID}}" 
+                                hx-confirm="Are you sure you want to delete this product?"
+                                hx-target="closest tr"
+                                hx-swap="outerHTML">
+                            <span class="icon">
+                                <i class="fas fa-trash"></i>
+                            </span>
+                        </button>
+                    </div>
+                </td>
+            </tr>
+            {{else}}
+            <tr>
+                <td colspan="7" class="has-text-centered">
+                    <p class="has-text-grey">No products found</p>
+                </td>
+            </tr>
+            {{end}}
+        </tbody>
+    </table>
+</div>
+
+<!-- Pagination -->
+{{if .Products}}
+<nav class="pagination is-centered" role="navigation" aria-label="pagination">
+    <a class="pagination-previous" {{if eq .Page 1}}disabled{{end}}
+       hx-get="/products?page={{.PrevPage}}" 
+       hx-target="#product-table-container">Previous</a>
+    <a class="pagination-next" {{if not .HasMore}}disabled{{end}}
+       hx-get="/products?page={{.NextPage}}" 
+       hx-target="#product-table-container">Next</a>
+    <ul class="pagination-list">
+        <li><span class="pagination-ellipsis">Page {{.Page}}</span></li>
+    </ul>
+</nav>
+{{end}}
+{{end}}

go-app/templates/purchase-orders/form.html

@@ -0,0 +1,177 @@
+{{define "title"}}{{if .PurchaseOrder.ID}}Edit{{else}}New{{end}} Purchase Order - CMC Sales{{end}}
+
+{{define "content"}}
+<div class="columns is-centered">
+    <div class="column is-10">
+        <h1 class="title">{{if .PurchaseOrder.ID}}Edit{{else}}New{{end}} Purchase Order</h1>
+        
+        <form {{if .PurchaseOrder.ID}}
+                hx-put="/purchase-orders/{{.PurchaseOrder.ID}}"
+              {{else}}
+                hx-post="/purchase-orders"
+              {{end}}
+              hx-target="#form-response">
+            
+            <div class="columns">
+                <div class="column">
+                    <div class="field">
+                        <label class="label">PO Number</label>
+                        <div class="control">
+                            <input class="input" type="text" name="title" 
+                                   placeholder="CMC PO Number" 
+                                   value="{{.PurchaseOrder.Title}}" required>
+                        </div>
+                    </div>
+                    
+                    <div class="field">
+                        <label class="label">Issue Date</label>
+                        <div class="control">
+                            <input class="input" type="date" name="issue_date" 
+                                   value="{{.PurchaseOrder.IssueDate}}" required>
+                        </div>
+                    </div>
+                    
+                    <div class="field">
+                        <label class="label">Dispatch Date</label>
+                        <div class="control">
+                            <input class="input" type="date" name="dispatch_date" 
+                                   value="{{.PurchaseOrder.DispatchDate}}">
+                        </div>
+                    </div>
+                    
+                    <div class="field">
+                        <label class="label">Date Arrived</label>
+                        <div class="control">
+                            <input class="input" type="date" name="date_arrived" 
+                                   value="{{.PurchaseOrder.DateArrived}}">
+                        </div>
+                    </div>
+                </div>
+                
+                <div class="column">
+                    <div class="field">
+                        <label class="label">Principle Reference</label>
+                        <div class="control">
+                            <input class="input" type="text" name="principle_reference" 
+                                   placeholder="Principle Reference" 
+                                   value="{{.PurchaseOrder.PrincipleReference}}" required>
+                        </div>
+                    </div>
+                    
+                    <div class="field">
+                        <label class="label">Principle</label>
+                        <div class="control">
+                            <div class="select is-fullwidth">
+                                <select name="principle_id">
+                                    <option value="1" {{if eq .PurchaseOrder.PrincipleID 1}}selected{{end}}>Principle 1</option>
+                                    <option value="2" {{if eq .PurchaseOrder.PrincipleID 2}}selected{{end}}>Principle 2</option>
+                                    <option value="3" {{if eq .PurchaseOrder.PrincipleID 3}}selected{{end}}>Principle 3</option>
+                                </select>
+                            </div>
+                        </div>
+                    </div>
+                    
+                    <div class="field">
+                        <label class="label">Currency</label>
+                        <div class="control">
+                            <div class="select is-fullwidth">
+                                <select name="currency_id">
+                                    <option value="">Select Currency</option>
+                                    <option value="1" {{if .PurchaseOrder.CurrencyID.Valid}}{{if eq .PurchaseOrder.CurrencyID.Int32 1}}selected{{end}}{{end}}>AUD</option>
+                                    <option value="2" {{if .PurchaseOrder.CurrencyID.Valid}}{{if eq .PurchaseOrder.CurrencyID.Int32 2}}selected{{end}}{{end}}>USD</option>
+                                    <option value="3" {{if .PurchaseOrder.CurrencyID.Valid}}{{if eq .PurchaseOrder.CurrencyID.Int32 3}}selected{{end}}{{end}}>EUR</option>
+                                </select>
+                            </div>
+                        </div>
+                    </div>
+                    
+                    <div class="field">
+                        <label class="label">Dispatch By</label>
+                        <div class="control">
+                            <input class="input" type="text" name="dispatch_by" 
+                                   placeholder="Dispatch method" 
+                                   value="{{.PurchaseOrder.DispatchBy}}">
+                        </div>
+                    </div>
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Ordered From</label>
+                <div class="control">
+                    <textarea class="textarea" name="ordered_from" 
+                              placeholder="Supplier address and contact details..." 
+                              rows="4" required>{{.PurchaseOrder.OrderedFrom}}</textarea>
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Deliver To</label>
+                <div class="control">
+                    <textarea class="textarea" name="deliver_to" 
+                              placeholder="Delivery address..." 
+                              rows="4" required>{{.PurchaseOrder.DeliverTo}}</textarea>
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Description</label>
+                <div class="control">
+                    <textarea class="textarea" name="description" 
+                              placeholder="Order description..." 
+                              rows="3">{{.PurchaseOrder.Description}}</textarea>
+                </div>
+            </div>
+            
+            <div class="field">
+                <label class="label">Shipping Instructions</label>
+                <div class="control">
+                    <textarea class="textarea" name="shipping_instructions" 
+                              placeholder="Special shipping instructions..." 
+                              rows="3">{{.PurchaseOrder.ShippingInstructions}}</textarea>
+                </div>
+            </div>
+            
+            <div class="columns">
+                <div class="column">
+                    <div class="field">
+                        <label class="label">Related Jobs</label>
+                        <div class="control">
+                            <input class="input" type="text" name="jobs_text" 
+                                   placeholder="Job references" 
+                                   value="{{.PurchaseOrder.JobsText}}">
+                        </div>
+                    </div>
+                </div>
+                
+                <div class="column">
+                    <div class="field">
+                        <label class="label">Freight Forwarder</label>
+                        <div class="control">
+                            <input class="input" type="text" name="freight_forwarder_text" 
+                                   placeholder="Freight forwarder details" 
+                                   value="{{.PurchaseOrder.FreightForwarderText}}">
+                        </div>
+                    </div>
+                </div>
+            </div>
+            
+            <div id="form-response"></div>
+            
+            <div class="field is-grouped">
+                <div class="control">
+                    <button class="button is-primary" type="submit">
+                        <span class="icon">
+                            <i class="fas fa-save"></i>
+                        </span>
+                        <span>Save</span>
+                    </button>
+                </div>
+                <div class="control">
+                    <a href="/purchase-orders" class="button is-light">Cancel</a>
+                </div>
+            </div>
+        </form>
+    </div>
+</div>
+{{end}}

go-app/templates/purchase-orders/index.html

@@ -0,0 +1,68 @@
+{{define "title"}}Purchase Orders - CMC Sales{{end}}
+
+{{define "content"}}
+<div class="level">
+    <div class="level-left">
+        <div class="level-item">
+            <h1 class="title">Purchase Orders</h1>
+        </div>
+    </div>
+    <div class="level-right">
+        <div class="level-item">
+            <a href="/purchase-orders/new" class="button is-primary">
+                <span class="icon">
+                    <i class="fas fa-plus"></i>
+                </span>
+                <span>New Purchase Order</span>
+            </a>
+        </div>
+    </div>
+</div>
+
+<!-- Search and Filter Box -->
+<div class="box">
+    <div class="columns">
+        <div class="column">
+            <div class="field has-addons">
+                <div class="control has-icons-left is-expanded">
+                    <input class="input" type="text" placeholder="Search purchase orders..." 
+                           name="search" id="po-search"
+                           hx-get="/purchase-orders/search" 
+                           hx-trigger="keyup changed delay:500ms" 
+                           hx-target="#po-table-container">
+                    <span class="icon is-left">
+                        <i class="fas fa-search"></i>
+                    </span>
+                </div>
+                <div class="control">
+                    <button class="button is-info" onclick="document.getElementById('po-search').value=''; document.getElementById('po-search').dispatchEvent(new Event('keyup'))">
+                        Clear
+                    </button>
+                </div>
+            </div>
+        </div>
+        <div class="column is-narrow">
+            <div class="field">
+                <div class="control">
+                    <div class="select">
+                        <select name="status" 
+                                hx-get="/purchase-orders/filter" 
+                                hx-trigger="change" 
+                                hx-target="#po-table-container">
+                            <option value="">All Status</option>
+                            <option value="pending">Pending</option>
+                            <option value="dispatched">Dispatched</option>
+                            <option value="arrived">Arrived</option>
+                        </select>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<!-- Purchase Order Table Container -->
+<div id="po-table-container">
+    {{template "purchase-order-table" .}}
+</div>
+{{end}}

go-app/templates/purchase-orders/show.html

@@ -0,0 +1,159 @@
+{{define "title"}}PO {{.PurchaseOrder.Title}} - CMC Sales{{end}}
+
+{{define "content"}}
+<nav class="breadcrumb" aria-label="breadcrumbs">
+    <ul>
+        <li><a href="/">Home</a></li>
+        <li><a href="/purchase-orders">Purchase Orders</a></li>
+        <li class="is-active"><a href="#" aria-current="page">{{.PurchaseOrder.Title}}</a></li>
+    </ul>
+</nav>
+
+<div class="level">
+    <div class="level-left">
+        <div class="level-item">
+            <h1 class="title">Purchase Order {{.PurchaseOrder.Title}}</h1>
+        </div>
+    </div>
+    <div class="level-right">
+        <div class="level-item">
+            <a href="/purchase-orders/{{.PurchaseOrder.ID}}/edit" class="button is-info">
+                <span class="icon">
+                    <i class="fas fa-edit"></i>
+                </span>
+                <span>Edit</span>
+            </a>
+        </div>
+    </div>
+</div>
+
+<div class="columns">
+    <div class="column is-8">
+        <div class="box">
+            <h2 class="subtitle">Order Information</h2>
+            
+            <table class="table is-fullwidth">
+                <tbody>
+                    <tr>
+                        <th>PO Number:</th>
+                        <td>{{.PurchaseOrder.Title}}</td>
+                    </tr>
+                    <tr>
+                        <th>Issue Date:</th>
+                        <td>{{formatDate .PurchaseOrder.IssueDate}}</td>
+                    </tr>
+                    <tr>
+                        <th>Dispatch Date:</th>
+                        <td>{{formatDate .PurchaseOrder.DispatchDate}}</td>
+                    </tr>
+                    <tr>
+                        <th>Date Arrived:</th>
+                        <td>
+                            {{if .PurchaseOrder.DateArrived}}
+                                {{formatDate .PurchaseOrder.DateArrived}}
+                            {{else}}
+                                <span class="has-text-grey">Not arrived</span>
+                            {{end}}
+                        </td>
+                    </tr>
+                    <tr>
+                        <th>Principle Reference:</th>
+                        <td>{{.PurchaseOrder.PrincipleReference}}</td>
+                    </tr>
+                    <tr>
+                        <th>Currency:</th>
+                        <td>{{if .PurchaseOrder.CurrencyID.Valid}}Currency {{.PurchaseOrder.CurrencyID.Int32}}{{else}}<span class="has-text-grey">Not specified</span>{{end}}</td>
+                    </tr>
+                    <tr>
+                        <th>Dispatch By:</th>
+                        <td>{{.PurchaseOrder.DispatchBy}}</td>
+                    </tr>
+                </tbody>
+            </table>
+        </div>
+        
+        <div class="box">
+            <h2 class="subtitle">Ordered From</h2>
+            <div class="content">
+                <pre>{{.PurchaseOrder.OrderedFrom}}</pre>
+            </div>
+        </div>
+        
+        <div class="box">
+            <h2 class="subtitle">Deliver To</h2>
+            <div class="content">
+                <pre>{{.PurchaseOrder.DeliverTo}}</pre>
+            </div>
+        </div>
+        
+        {{if .PurchaseOrder.Description}}
+        <div class="box">
+            <h2 class="subtitle">Description</h2>
+            <div class="content">
+                <p>{{.PurchaseOrder.Description}}</p>
+            </div>
+        </div>
+        {{end}}
+        
+        {{if .PurchaseOrder.ShippingInstructions}}
+        <div class="box">
+            <h2 class="subtitle">Shipping Instructions</h2>
+            <div class="content">
+                <p>{{.PurchaseOrder.ShippingInstructions}}</p>
+            </div>
+        </div>
+        {{end}}
+    </div>
+    
+    <div class="column is-4">
+        <div class="box">
+            <h2 class="subtitle">Status</h2>
+            <div class="content">
+                {{if .PurchaseOrder.DateArrived}}
+                    <span class="tag is-success is-large">Arrived</span>
+                {{else if .PurchaseOrder.DispatchDate}}
+                    <span class="tag is-warning is-large">Dispatched</span>
+                {{else}}
+                    <span class="tag is-info is-large">Pending</span>
+                {{end}}
+            </div>
+        </div>
+        
+        <div class="box">
+            <h2 class="subtitle">Quick Actions</h2>
+            <div class="buttons is-fullwidth">
+                <a href="/purchase-orders/{{.PurchaseOrder.ID}}/revise" class="button is-primary is-fullwidth">
+                    <span class="icon">
+                        <i class="fas fa-copy"></i>
+                    </span>
+                    <span>Create Revision</span>
+                </a>
+                <a href="/purchase-orders/{{.PurchaseOrder.ID}}/pdf" class="button is-info is-fullwidth">
+                    <span class="icon">
+                        <i class="fas fa-file-pdf"></i>
+                    </span>
+                    <span>Export PDF</span>
+                </a>
+            </div>
+        </div>
+        
+        {{if .PurchaseOrder.JobsText}}
+        <div class="box">
+            <h2 class="subtitle">Related Jobs</h2>
+            <div class="content">
+                <p>{{.PurchaseOrder.JobsText}}</p>
+            </div>
+        </div>
+        {{end}}
+        
+        {{if .PurchaseOrder.FreightForwarderText}}
+        <div class="box">
+            <h2 class="subtitle">Freight Forwarder</h2>
+            <div class="content">
+                <p>{{.PurchaseOrder.FreightForwarderText}}</p>
+            </div>
+        </div>
+        {{end}}
+    </div>
+</div>
+{{end}}

go-app/templates/purchase-orders/table.html

@@ -0,0 +1,78 @@
+{{define "purchase-order-table"}}
+<div class="table-container">
+    <table class="table is-fullwidth is-striped is-hoverable">
+        <thead>
+            <tr>
+                <th>PO Number</th>
+                <th>Issue Date</th>
+                <th>Dispatch Date</th>
+                <th>Ordered From</th>
+                <th>Description</th>
+                <th>Status</th>
+                <th>Actions</th>
+            </tr>
+        </thead>
+        <tbody>
+            {{range .PurchaseOrders}}
+            <tr>
+                <td>
+                    <a href="/purchase-orders/{{.ID}}">{{.Title}}</a>
+                </td>
+                <td>{{formatDate .IssueDate}}</td>
+                <td>{{formatDate .DispatchDate}}</td>
+                <td>{{truncate .OrderedFrom 30}}</td>
+                <td>{{truncate .Description 50}}</td>
+                <td>
+                    {{if .DateArrived}}
+                        <span class="tag is-success">Arrived</span>
+                    {{else if .DispatchDate}}
+                        <span class="tag is-warning">Dispatched</span>
+                    {{else}}
+                        <span class="tag is-info">Pending</span>
+                    {{end}}
+                </td>
+                <td>
+                    <div class="buttons are-small">
+                        <a href="/purchase-orders/{{.ID}}/edit" class="button is-info is-outlined">
+                            <span class="icon">
+                                <i class="fas fa-edit"></i>
+                            </span>
+                        </a>
+                        <button class="button is-danger is-outlined" 
+                                hx-delete="/purchase-orders/{{.ID}}" 
+                                hx-confirm="Are you sure you want to delete this purchase order?"
+                                hx-target="closest tr"
+                                hx-swap="outerHTML">
+                            <span class="icon">
+                                <i class="fas fa-trash"></i>
+                            </span>
+                        </button>
+                    </div>
+                </td>
+            </tr>
+            {{else}}
+            <tr>
+                <td colspan="7" class="has-text-centered">
+                    <p class="has-text-grey">No purchase orders found</p>
+                </td>
+            </tr>
+            {{end}}
+        </tbody>
+    </table>
+</div>
+
+<!-- Pagination -->
+{{if .PurchaseOrders}}
+<nav class="pagination is-centered" role="navigation" aria-label="pagination">
+    <a class="pagination-previous" {{if eq .Page 1}}disabled{{end}}
+       hx-get="/purchase-orders?page={{.PrevPage}}" 
+       hx-target="#po-table-container">Previous</a>
+    <a class="pagination-next" {{if not .HasMore}}disabled{{end}}
+       hx-get="/purchase-orders?page={{.NextPage}}" 
+       hx-target="#po-table-container">Next</a>
+    <ul class="pagination-list">
+        <li><span class="pagination-ellipsis">Page {{.Page}}</span></li>
+    </ul>
+</nav>
+{{end}}
+{{end}}