cmc-sales/controllers/app_controller.php

<?php
/* App Controller */


class AppController extends Controller {

    var $components = array('Auth', 'RequestHandler');

    var $helpers = array('Javascript', 'Time', 'Html', 'Form');
    function beforeFilter() {
	$this->set('currentuser', $this->Auth->user());


	$this->Auth->loginAction = array('controller' => 'users', 'action' => 'login');
	$this->Auth->loginRedirect = array('controller' => 'enquiries', 'action' => 'index');
	$this->Auth->allow('display');
	$this->Auth->authorize = 'controller';

	if($this->RequestHandler->isAjax()) {
	    Configure::write('debug', 0);
	}

    }


    function isAuthorized() {
	return true;
    }



    /**
     * Check if the current logged in user is an admin
     * @return boolean
     */
    function isAdmin() {
	$currentuser = $this->getCurrentUser();
	if($currentuser['access_level'] == 'admin') {
	    return true;
	}
	else {
	    return false;
	}
    }


    function isManager() {
	$currentuser = $this->getCurrentUser();
	if($currentuser['access_level'] == 'manager') {
	    return true;
	}
	else {
	    return false;
	}
    }


    /**
     * Read the current logged in user.
     * @return array - the currently logged in user.
     */
    function getCurrentUser() {
	return $this->Session->read('Auth.User');
    }

    /**
     * Return the id of the current user. False if not logged in.
     */
    function getCurrentUserID() {
	$currentuser = $this->getCurrentUser();
	if($currentuser) {
	    return $currentuser['id'];
	}
	else {
	    return false;
	}
    }



    function calculateTotals($document, $gst) {
	$totals = array('subtotal'=>0, 'gst'=>0, 'total'=>0);


	foreach($document['LineItem'] as $lineitem) {
	    if($lineitem['option'] == 1) {
		$totals['subtotal'] = 'TBA';
		$totals['total'] = 'TBA';
		$totals['gst'] = 'TBA';
		return $totals;
	    }
	    else {
		$totals['subtotal'] += $lineitem['net_price'];
	    }
	}

	if($gst == 1) {
	    $totals['gst'] = 0.1*$totals['subtotal'];
	}
	$totals['total'] = $totals['gst'] + $totals['subtotal'];
	return $totals;

    }

    function unset_keys($array, $keys) {
	foreach($keys as $key ) {
	    $array[$key] = null;
	}
	return $array;
    }

    function unset_multiple_keys($array, $keys) {
	foreach($array as $index => $item) {
	    $array[$index]['id'] = null;
	    $array[$index]['document_id'] = null;
	    $array[$index]['costing_id'] = null;
	}
    }





}
?>