Source code for /library/checkout-functions.php

<?php
require_once 'config.php';

/*********************************************************
*                 CHECKOUT FUNCTIONS
*********************************************************/
function saveOrder()
{
    
$orderId       = 0;
    
$shippingCost  = 5;
    
$requiredField = array('hidShippingFirstName', 'hidShippingLastName', 'hidShippingAddress1', 'hidShippingCity', 'hidShippingPostalCode',
                           
'hidPaymentFirstName', 'hidPaymentLastName', 'hidPaymentAddress1', 'hidPaymentCity', 'hidPaymentPostalCode');
                           
    if (
checkRequiredPost($requiredField)) {
        
extract($_POST);
        
        
// make sure the first character in the
        // customer and city name are properly upper cased
        
$hidShippingFirstName = ucwords($hidShippingFirstName);
        
$hidShippingLastName  = ucwords($hidShippingLastName);
        
$hidPaymentFirstName  = ucwords($hidPaymentFirstName);
        
$hidPaymentLastName   = ucwords($hidPaymentLastName);
        
$hidShippingCity      = ucwords($hidShippingCity);
        
$hidPaymentCity       = ucwords($hidPaymentCity);
                
        
$cartContent = getCartContent();
        
$numItem     = count($cartContent);
        
        
// save order & get order id
        
$sql = "INSERT INTO tbl_order(od_date, od_last_update, od_shipping_first_name, od_shipping_last_name, od_shipping_address1,
                                      od_shipping_address2, od_shipping_phone, od_shipping_state, od_shipping_city, od_shipping_postal_code, od_shipping_cost,
                                      od_payment_first_name, od_payment_last_name, od_payment_address1, od_payment_address2,
                                      od_payment_phone, od_payment_state, od_payment_city, od_payment_postal_code)
                VALUES (NOW(), NOW(), '$hidShippingFirstName', '$hidShippingLastName', '$hidShippingAddress1',
                        '$hidShippingAddress2', '$hidShippingPhone', '$hidShippingState', '$hidShippingCity', '$hidShippingPostalCode', '$shippingCost',
                        '$hidPaymentFirstName', '$hidPaymentLastName', '$hidPaymentAddress1',
                        '$hidPaymentAddress2', '$hidPaymentPhone', '$hidPaymentState', '$hidPaymentCity', '$hidPaymentPostalCode')"
;
        
$result = dbQuery($sql);
        
        
// get the order id
        
$orderId = dbInsertId();
        
        if (
$orderId) {
            
// save order items
            
for ($i = 0; $i < $numItem; $i++) {
                
$sql = "INSERT INTO tbl_order_item(od_id, pd_id, od_qty)
                        VALUES ($orderId, {$cartContent[$i]['pd_id']}, {$cartContent[$i]['ct_qty']})"
;
                
$result = dbQuery($sql);                    
            }
        
            
            
// update product stock
            
for ($i = 0; $i < $numItem; $i++) {
                
$sql = "UPDATE tbl_product
                        SET pd_qty = pd_qty - {$cartContent[$i]['ct_qty']}
                        WHERE pd_id = {$cartContent[$i]['pd_id']}"
;
                
$result = dbQuery($sql);                    
            }
            
            
            
// then remove the ordered items from cart
            
for ($i = 0; $i < $numItem; $i++) {
                
$sql = "DELETE FROM tbl_cart
                        WHERE ct_id = {$cartContent[$i]['ct_id']}"
;
                
$result = dbQuery($sql);                    
            }                            
        }                    
    }
    
    return
$orderId;
}

/*
    Get order total amount ( total purchase + shipping cost )
*/
function getOrderAmount($orderId)
{
    
$orderAmount = 0;
    
    
$sql = "SELECT SUM(pd_price * od_qty)
            FROM tbl_order_item oi, tbl_product p
            WHERE oi.pd_id = p.pd_id and oi.od_id = $orderId
            
            UNION
            
            SELECT od_shipping_cost
            FROM tbl_order
            WHERE od_id = $orderId"
;
    
$result = dbQuery($sql);

    if (
dbNumRows($result) == 2) {
        
$row = dbFetchRow($result);
        
$totalPurchase = $row[0];
        
        
$row = dbFetchRow($result);
        
$shippingCost = $row[0];
        
        
$orderAmount = $totalPurchase + $shippingCost;
    }    
    
    return
$orderAmount;    
}

?>

 

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