cmc-sales/go/internal/cmc/handlers/line_items.go

545 lines
17 KiB
Go

package handlers
import (
"database/sql"
"encoding/json"
"fmt"
"log"
"net/http"
"strconv"
"code.springupsoftware.com/cmc/cmc-sales/internal/cmc/db"
"github.com/gorilla/mux"
)
type LineItemHandler struct {
queries *db.Queries
}
func NewLineItemHandler(queries *db.Queries) *LineItemHandler {
return &LineItemHandler{queries: queries}
}
func (h *LineItemHandler) 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
}
}
lineItems, err := h.queries.ListLineItems(r.Context(), db.ListLineItemsParams{
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(lineItems)
}
func (h *LineItemHandler) Get(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id, err := strconv.Atoi(vars["id"])
if err != nil {
http.Error(w, "Invalid line item ID", http.StatusBadRequest)
return
}
lineItem, err := h.queries.GetLineItem(r.Context(), int32(id))
if err != nil {
if err == sql.ErrNoRows {
http.Error(w, "Line item not found", http.StatusNotFound)
return
}
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// Add CORS headers for API access
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(lineItem)
}
func (h *LineItemHandler) AjaxAdd(w http.ResponseWriter, r *http.Request) {
// Parse form data
if err := r.ParseForm(); err != nil {
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte("NO-DATA"))
return
}
// Parse required fields
documentID, err := strconv.Atoi(r.FormValue("document_id"))
if err != nil {
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte("FAILURE"))
return
}
// Get next item number
maxItemInterface, err := h.queries.GetMaxItemNumber(r.Context(), int32(documentID))
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte("FAILURE"))
return
}
maxItemNumber := float64(0)
if maxItemInterface != nil {
switch v := maxItemInterface.(type) {
case string:
if parsed, err := strconv.ParseFloat(v, 64); err == nil {
maxItemNumber = parsed
}
case float64:
maxItemNumber = v
case int64:
maxItemNumber = float64(v)
}
}
nextItemNumber := fmt.Sprintf("%.2f", maxItemNumber+1.0)
// Parse optional fields
var productID sql.NullInt32
if pid := r.FormValue("product_id"); pid != "" {
if id, err := strconv.Atoi(pid); err == nil {
productID = sql.NullInt32{Int32: int32(id), Valid: true}
}
}
var costingID sql.NullInt32
if cid := r.FormValue("costing_id"); cid != "" {
if id, err := strconv.Atoi(cid); err == nil {
costingID = sql.NullInt32{Int32: int32(id), Valid: true}
}
}
// Parse boolean fields
option := r.FormValue("option") == "1" || r.FormValue("option") == "true"
hasTextPrices := r.FormValue("has_text_prices") == "1" || r.FormValue("has_text_prices") == "true"
hasPrice := int8(1)
if hp := r.FormValue("has_price"); hp == "0" || hp == "false" {
hasPrice = 0
}
params := db.CreateLineItemParams{
ItemNumber: nextItemNumber,
Option: option,
Quantity: r.FormValue("quantity"),
Title: r.FormValue("title"),
Description: r.FormValue("description"),
DocumentID: int32(documentID),
ProductID: productID,
HasTextPrices: hasTextPrices,
HasPrice: hasPrice,
UnitPriceString: sql.NullString{String: r.FormValue("unit_price_string"), Valid: r.FormValue("unit_price_string") != ""},
GrossPriceString: sql.NullString{String: r.FormValue("gross_price_string"), Valid: r.FormValue("gross_price_string") != ""},
CostingID: costingID,
GrossUnitPrice: sql.NullString{String: r.FormValue("gross_unit_price"), Valid: r.FormValue("gross_unit_price") != ""},
NetUnitPrice: sql.NullString{String: r.FormValue("net_unit_price"), Valid: r.FormValue("net_unit_price") != ""},
DiscountPercent: sql.NullString{String: r.FormValue("discount_percent"), Valid: r.FormValue("discount_percent") != ""},
DiscountAmountUnit: sql.NullString{String: r.FormValue("discount_amount_unit"), Valid: r.FormValue("discount_amount_unit") != ""},
DiscountAmountTotal: sql.NullString{String: r.FormValue("discount_amount_total"), Valid: r.FormValue("discount_amount_total") != ""},
GrossPrice: sql.NullString{String: r.FormValue("gross_price"), Valid: r.FormValue("gross_price") != ""},
NetPrice: sql.NullString{String: r.FormValue("net_price"), Valid: r.FormValue("net_price") != ""},
}
_, err = h.queries.CreateLineItem(r.Context(), params)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte("FAILURE"))
return
}
// TODO: Update invoice totals like the original CakePHP code
// h.updateInvoice(documentID)
w.WriteHeader(http.StatusOK)
w.Write([]byte("SUCCESS"))
}
func (h *LineItemHandler) AjaxEdit(w http.ResponseWriter, r *http.Request) {
// Parse form data
if err := r.ParseForm(); err != nil {
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte("NO-DATA"))
return
}
// Parse ID
id, err := strconv.Atoi(r.FormValue("id"))
if err != nil {
log.Printf("Error updating line item ID: %d %s\n", id, err)
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte("FAILURE"))
return
}
documentID, err := strconv.Atoi(r.FormValue("document_id"))
if err != nil {
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte("FAILURE"))
return
}
// Parse optional fields
var productID sql.NullInt32
if pid := r.FormValue("product_id"); pid != "" {
if prodID, err := strconv.Atoi(pid); err == nil {
productID = sql.NullInt32{Int32: int32(prodID), Valid: true}
}
}
var costingID sql.NullInt32
if cid := r.FormValue("costing_id"); cid != "" {
if cID, err := strconv.Atoi(cid); err == nil {
costingID = sql.NullInt32{Int32: int32(cID), Valid: true}
}
}
// Parse boolean fields
option := r.FormValue("option") == "1" || r.FormValue("option") == "true"
hasTextPrices := r.FormValue("has_text_prices") == "1" || r.FormValue("has_text_prices") == "true"
hasPrice := int8(1)
if hp := r.FormValue("has_price"); hp == "0" || hp == "false" {
hasPrice = 0
}
params := db.UpdateLineItemParams{
ID: int32(id),
ItemNumber: r.FormValue("item_number"),
Option: option,
Quantity: r.FormValue("quantity"),
Title: r.FormValue("title"),
Description: r.FormValue("description"),
DocumentID: int32(documentID),
ProductID: productID,
HasTextPrices: hasTextPrices,
HasPrice: hasPrice,
UnitPriceString: sql.NullString{String: r.FormValue("unit_price_string"), Valid: r.FormValue("unit_price_string") != ""},
GrossPriceString: sql.NullString{String: r.FormValue("gross_price_string"), Valid: r.FormValue("gross_price_string") != ""},
CostingID: costingID,
GrossUnitPrice: sql.NullString{String: r.FormValue("gross_unit_price"), Valid: r.FormValue("gross_unit_price") != ""},
NetUnitPrice: sql.NullString{String: r.FormValue("net_unit_price"), Valid: r.FormValue("net_unit_price") != ""},
DiscountPercent: sql.NullString{String: r.FormValue("discount_percent"), Valid: r.FormValue("discount_percent") != ""},
DiscountAmountUnit: sql.NullString{String: r.FormValue("discount_amount_unit"), Valid: r.FormValue("discount_amount_unit") != ""},
DiscountAmountTotal: sql.NullString{String: r.FormValue("discount_amount_total"), Valid: r.FormValue("discount_amount_total") != ""},
GrossPrice: sql.NullString{String: r.FormValue("gross_price"), Valid: r.FormValue("gross_price") != ""},
NetPrice: sql.NullString{String: r.FormValue("net_price"), Valid: r.FormValue("net_price") != ""},
}
err = h.queries.UpdateLineItem(r.Context(), params)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte("FAILURE"))
return
}
// TODO: Update invoice totals like the original CakePHP code
// h.updateInvoice(documentID)
w.WriteHeader(http.StatusOK)
w.Write([]byte("SUCCESS"))
}
func (h *LineItemHandler) AjaxDelete(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id, err := strconv.Atoi(vars["id"])
if err != nil {
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte("FAILURE"))
return
}
// Get the line item to find document_id for invoice update
_, err = h.queries.GetLineItem(r.Context(), int32(id))
if err != nil {
w.WriteHeader(http.StatusNotFound)
w.Write([]byte("FAILURE"))
return
}
err = h.queries.DeleteLineItem(r.Context(), int32(id))
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte("FAILURE"))
return
}
// TODO: Update invoice totals like the original CakePHP code
// h.updateInvoice(lineItem.DocumentID)
w.WriteHeader(http.StatusOK)
w.Write([]byte("SUCCESS"))
}
func (h *LineItemHandler) GetTable(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
documentID, err := strconv.Atoi(vars["documentID"])
if err != nil {
http.Error(w, "Invalid document ID", http.StatusBadRequest)
return
}
lineItems, err := h.queries.GetLineItemsTable(r.Context(), int32(documentID))
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// If AJAX request, return HTML table rows only (for refreshing)
if r.Header.Get("X-Requested-With") == "XMLHttpRequest" {
w.Header().Set("Content-Type", "text/html")
// Generate HTML table rows
html := ""
if len(lineItems) == 0 {
html = `<tr id="no-line-items"><td colspan="7" class="has-text-centered has-text-grey">No line items yet</td></tr>`
} else {
for _, item := range lineItems {
unitPrice := "-"
if item.GrossUnitPrice.Valid {
unitPrice = "$" + item.GrossUnitPrice.String
} else if item.UnitPriceString.Valid {
unitPrice = item.UnitPriceString.String
}
totalPrice := "-"
if item.GrossPrice.Valid {
totalPrice = "$" + item.GrossPrice.String
} else if item.GrossPriceString.Valid {
totalPrice = item.GrossPriceString.String
}
html += fmt.Sprintf(`
<tr id="line-item-%d">
<td>%s</td>
<td>%s</td>
<td>%s</td>
<td>%s</td>
<td>%s</td>
<td>%s</td>
<td>
<button class="button is-small is-primary" onclick="editLineItem(%d)">
<span class="icon">
<i class="fas fa-edit"></i>
</span>
<span>Edit</span>
</button>
<button class="button is-small is-danger" onclick="deleteLineItem(%d)">
<span class="icon">
<i class="fas fa-trash"></i>
</span>
<span>Delete</span>
</button>
</td>
</tr>`,
item.ID, item.ItemNumber, item.Title, item.Description, item.Quantity,
unitPrice, totalPrice, item.ID, item.ID)
}
}
w.Write([]byte(html))
return
}
// JSON response for API
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(lineItems)
}
func (h *LineItemHandler) Create(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
documentID, err := strconv.Atoi(vars["documentID"])
if err != nil {
http.Error(w, "Invalid document ID", http.StatusBadRequest)
return
}
// Parse form data for HTMX requests
if err := r.ParseForm(); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
// Get next item number
maxItemInterface, err := h.queries.GetMaxItemNumber(r.Context(), int32(documentID))
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
maxItemNumber := float64(0)
if maxItemInterface != nil {
switch v := maxItemInterface.(type) {
case string:
if parsed, err := strconv.ParseFloat(v, 64); err == nil {
maxItemNumber = parsed
}
case float64:
maxItemNumber = v
case int64:
maxItemNumber = float64(v)
}
}
nextItemNumber := fmt.Sprintf("%.2f", maxItemNumber+1.0)
// Parse optional fields
var productID sql.NullInt32
if pid := r.FormValue("product_id"); pid != "" {
if id, err := strconv.Atoi(pid); err == nil {
productID = sql.NullInt32{Int32: int32(id), Valid: true}
}
}
params := db.CreateLineItemParams{
ItemNumber: nextItemNumber,
Option: r.FormValue("option") == "1",
Quantity: r.FormValue("quantity"),
Title: r.FormValue("title"),
Description: r.FormValue("description"),
DocumentID: int32(documentID),
ProductID: productID,
HasTextPrices: r.FormValue("has_text_prices") == "1",
HasPrice: 1, // Default to has price
UnitPriceString: sql.NullString{String: r.FormValue("unit_price_string"), Valid: r.FormValue("unit_price_string") != ""},
GrossPriceString: sql.NullString{String: r.FormValue("gross_price_string"), Valid: r.FormValue("gross_price_string") != ""},
GrossUnitPrice: sql.NullString{String: r.FormValue("gross_unit_price"), Valid: r.FormValue("gross_unit_price") != ""},
NetUnitPrice: sql.NullString{String: r.FormValue("net_unit_price"), Valid: r.FormValue("net_unit_price") != ""},
GrossPrice: sql.NullString{String: r.FormValue("gross_price"), Valid: r.FormValue("gross_price") != ""},
NetPrice: sql.NullString{String: r.FormValue("net_price"), Valid: r.FormValue("net_price") != ""},
}
// 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.CreateLineItem(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 line item</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, return success message
if r.Header.Get("HX-Request") == "true" {
w.Header().Set("Content-Type", "text/html")
w.Write([]byte(`<div class="notification is-success">Line item created successfully</div>`))
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 *LineItemHandler) Update(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id, err := strconv.Atoi(vars["id"])
if err != nil {
http.Error(w, "Invalid line item ID", http.StatusBadRequest)
return
}
var params db.UpdateLineItemParams
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
}
} else {
// Handle form data
if err := r.ParseForm(); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
var productID sql.NullInt32
if pid := r.FormValue("product_id"); pid != "" {
if prodID, err := strconv.Atoi(pid); err == nil {
productID = sql.NullInt32{Int32: int32(prodID), Valid: true}
}
}
documentID, _ := strconv.Atoi(r.FormValue("document_id"))
params = db.UpdateLineItemParams{
ItemNumber: r.FormValue("item_number"),
Option: r.FormValue("option") == "1",
Quantity: r.FormValue("quantity"),
Title: r.FormValue("title"),
Description: r.FormValue("description"),
DocumentID: int32(documentID),
ProductID: productID,
HasTextPrices: r.FormValue("has_text_prices") == "1",
HasPrice: 1,
UnitPriceString: sql.NullString{String: r.FormValue("unit_price_string"), Valid: r.FormValue("unit_price_string") != ""},
GrossPriceString: sql.NullString{String: r.FormValue("gross_price_string"), Valid: r.FormValue("gross_price_string") != ""},
GrossUnitPrice: sql.NullString{String: r.FormValue("gross_unit_price"), Valid: r.FormValue("gross_unit_price") != ""},
NetUnitPrice: sql.NullString{String: r.FormValue("net_unit_price"), Valid: r.FormValue("net_unit_price") != ""},
GrossPrice: sql.NullString{String: r.FormValue("gross_price"), Valid: r.FormValue("gross_price") != ""},
NetPrice: sql.NullString{String: r.FormValue("net_price"), Valid: r.FormValue("net_price") != ""},
}
}
params.ID = int32(id)
if err := h.queries.UpdateLineItem(r.Context(), params); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusNoContent)
}
func (h *LineItemHandler) Delete(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id, err := strconv.Atoi(vars["id"])
if err != nil {
http.Error(w, "Invalid line item ID", http.StatusBadRequest)
return
}
if err := h.queries.DeleteLineItem(r.Context(), int32(id)); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusNoContent)
}