Add files via upload
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@@ -0,0 +1,132 @@
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<?php
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require_once '../includes/auth_functions.php';
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require_once '../config/database.php';
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// Enable error reporting for debugging
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error_reporting(E_ALL);
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ini_set('display_errors', 1);
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// Check if user is logged in and is a customer
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if (!isLoggedIn() || !isCustomer()) {
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echo json_encode(['success' => false, 'message' => 'Please log in to add items to cart']);
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exit();
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}
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// Check if required parameters are provided
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if (!isset($_POST['product_id']) || !isset($_POST['quantity'])) {
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echo json_encode(['success' => false, 'message' => 'Missing required parameters']);
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exit();
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}
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$product_id = (int)$_POST['product_id'];
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$quantity = (int)$_POST['quantity'];
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$size = isset($_POST['size']) ? $_POST['size'] : null;
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// Validate quantity
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if ($quantity < 1) {
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echo json_encode(['success' => false, 'message' => 'Quantity must be at least 1']);
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exit();
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}
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try {
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// Check product availability
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$stmt = $pdo->prepare("SELECT stock_quantity, category, size_data FROM products WHERE product_id = ?");
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$stmt->execute([$product_id]);
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$product = $stmt->fetch();
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if (!$product) {
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echo json_encode(['success' => false, 'message' => 'Product not found']);
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exit();
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}
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// Check if size is required for clothing items
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if ($product['category'] === 'clothes' && empty($size)) {
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echo json_encode(['success' => false, 'message' => 'Please select a size']);
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exit();
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}
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// Validate size availability for clothing items
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if ($product['category'] === 'clothes' && $product['size_data']) {
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$size_data = json_decode($product['size_data'], true);
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if (!isset($size_data[$size]) || $size_data[$size] < $quantity) {
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echo json_encode(['success' => false, 'message' => "Selected size is not available in the requested quantity"]);
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exit();
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}
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} else if ($quantity > $product['stock_quantity']) {
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echo json_encode(['success' => false, 'message' => "Only {$product['stock_quantity']} available in stock"]);
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exit();
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}
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// Get or create cart for user
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$stmt = $pdo->prepare("SELECT cart_id FROM cart WHERE user_id = ?");
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$stmt->execute([$_SESSION['user_id']]);
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$cart = $stmt->fetch();
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if (!$cart) {
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$stmt = $pdo->prepare("INSERT INTO cart (user_id) VALUES (?)");
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$stmt->execute([$_SESSION['user_id']]);
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$cart_id = $pdo->lastInsertId();
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} else {
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$cart_id = $cart['cart_id'];
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}
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// Check if product already in cart
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$stmt = $pdo->prepare("SELECT * FROM cart_items WHERE cart_id = ? AND product_id = ?");
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$stmt->execute([$cart_id, $product_id]);
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$existing_item = $stmt->fetch();
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if ($existing_item) {
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// Update quantity if already in cart
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$new_quantity = $existing_item['quantity'] + $quantity;
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if ($product['category'] === 'clothes' && $product['size_data']) {
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$size_data = json_decode($product['size_data'], true);
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if ($new_quantity > $size_data[$size]) {
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echo json_encode(['success' => false, 'message' => "Cannot add more than available stock for selected size"]);
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exit();
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}
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} else if ($new_quantity > $product['stock_quantity']) {
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echo json_encode(['success' => false, 'message' => "Cannot add more than available stock"]);
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exit();
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}
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$stmt = $pdo->prepare("UPDATE cart_items SET quantity = ? WHERE cart_item_id = ?");
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$stmt->execute([$new_quantity, $existing_item['cart_item_id']]);
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} else {
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// Add new item to cart
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try {
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$stmt = $pdo->prepare("INSERT INTO cart_items (cart_id, product_id, quantity, size) VALUES (?, ?, ?, ?)");
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$stmt->execute([$cart_id, $product_id, $quantity, $size]);
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} catch (PDOException $e) {
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// If the size column doesn't exist, try without it
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if (strpos($e->getMessage(), 'Unknown column') !== false) {
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$stmt = $pdo->prepare("INSERT INTO cart_items (cart_id, product_id, quantity) VALUES (?, ?, ?)");
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$stmt->execute([$cart_id, $product_id, $quantity]);
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} else {
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throw $e;
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}
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}
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}
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// Get updated cart count
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$stmt = $pdo->prepare("
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SELECT SUM(quantity) as count
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FROM cart_items ci
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JOIN cart c ON ci.cart_id = c.cart_id
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WHERE c.user_id = ?
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");
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$stmt->execute([$_SESSION['user_id']]);
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$cart_count = $stmt->fetch()['count'] ?? 0;
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echo json_encode([
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'success' => true,
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'message' => 'Product added to cart!',
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'cart_count' => $cart_count
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]);
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} catch (PDOException $e) {
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error_log("Add to cart error: " . $e->getMessage());
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echo json_encode([
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'success' => false,
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'message' => 'Failed to add product to cart. Please try again.',
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'debug' => $e->getMessage()
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]);
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}
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@@ -0,0 +1,90 @@
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<?php
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require_once '../includes/auth_functions.php';
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require_once '../config/database.php';
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// Enable error reporting for debugging
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error_reporting(E_ALL);
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ini_set('display_errors', 1);
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// Set proper content type
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header('Content-Type: application/json');
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// Check if user is logged in and is a customer
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if (!isLoggedIn() || !isCustomer()) {
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echo json_encode(['success' => false, 'message' => 'Please log in to remove items from cart']);
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exit();
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}
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// Check if required parameters are provided
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if (!isset($_POST['cart_item_id'])) {
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echo json_encode(['success' => false, 'message' => 'Missing required parameters']);
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exit();
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}
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$cart_item_id = (int)$_POST['cart_item_id'];
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try {
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// Verify the cart item belongs to the user
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$stmt = $pdo->prepare("
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SELECT ci.*
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FROM cart_items ci
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JOIN cart c ON ci.cart_id = c.cart_id
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WHERE ci.cart_item_id = ? AND c.user_id = ?
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");
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$stmt->execute([$cart_item_id, $_SESSION['user_id']]);
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$cart_item = $stmt->fetch();
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if (!$cart_item) {
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echo json_encode(['success' => false, 'message' => 'Cart item not found']);
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exit();
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}
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// Delete the cart item
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$stmt = $pdo->prepare("DELETE FROM cart_items WHERE cart_item_id = ?");
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$result = $stmt->execute([$cart_item_id]);
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if (!$result) {
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throw new PDOException("Failed to remove cart item");
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}
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// Get updated cart total
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$stmt = $pdo->prepare("
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SELECT SUM(ci.quantity * p.price) as total
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FROM cart_items ci
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JOIN products p ON ci.product_id = p.product_id
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JOIN cart c ON ci.cart_id = c.cart_id
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WHERE c.user_id = ?
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");
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$stmt->execute([$_SESSION['user_id']]);
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$cart_total = $stmt->fetch()['total'] ?? 0;
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// Get updated cart count
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$stmt = $pdo->prepare("
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SELECT SUM(quantity) as count
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FROM cart_items ci
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JOIN cart c ON ci.cart_id = c.cart_id
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WHERE c.user_id = ?
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");
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$stmt->execute([$_SESSION['user_id']]);
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$cart_count = $stmt->fetch()['count'] ?? 0;
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echo json_encode([
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'success' => true,
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'message' => 'Item removed from cart',
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'total' => $cart_total,
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'cart_count' => $cart_count
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]);
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} catch (PDOException $e) {
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error_log("Database error: " . $e->getMessage());
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echo json_encode([
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'success' => false,
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'message' => 'Failed to remove item from cart. Please try again.'
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]);
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} catch (Exception $e) {
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error_log("General error: " . $e->getMessage());
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echo json_encode([
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'success' => false,
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'message' => 'An unexpected error occurred. Please try again.'
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]);
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}
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@@ -0,0 +1,115 @@
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<?php
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require_once '../includes/auth_functions.php';
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require_once '../config/database.php';
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// Enable error reporting for debugging
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error_reporting(E_ALL);
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ini_set('display_errors', 1);
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// Set proper content type
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header('Content-Type: application/json');
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// Check if user is logged in and is a customer
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if (!isLoggedIn() || !isCustomer()) {
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echo json_encode(['success' => false, 'message' => 'Please log in to update cart']);
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exit();
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}
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// Check if required parameters are provided
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if (!isset($_POST['cart_item_id']) || !isset($_POST['quantity'])) {
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echo json_encode(['success' => false, 'message' => 'Missing required parameters']);
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exit();
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}
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$cart_item_id = (int)$_POST['cart_item_id'];
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$quantity = (int)$_POST['quantity'];
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// Log the received data
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error_log("Received update request - Cart Item ID: $cart_item_id, Quantity: $quantity");
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// Validate quantity
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if ($quantity < 1) {
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echo json_encode(['success' => false, 'message' => 'Quantity must be at least 1']);
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exit();
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}
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try {
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// Get current cart item and product details
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$stmt = $pdo->prepare("
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SELECT ci.*, p.stock_quantity, p.price, p.product_id
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FROM cart_items ci
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JOIN products p ON ci.product_id = p.product_id
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JOIN cart c ON ci.cart_id = c.cart_id
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WHERE ci.cart_item_id = ? AND c.user_id = ?
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");
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$stmt->execute([$cart_item_id, $_SESSION['user_id']]);
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$cart_item = $stmt->fetch();
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if (!$cart_item) {
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echo json_encode(['success' => false, 'message' => 'Cart item not found']);
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exit();
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}
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// Log the cart item details
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error_log("Cart item found: " . print_r($cart_item, true));
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// Get current stock quantity
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$stmt = $pdo->prepare("SELECT stock_quantity FROM products WHERE product_id = ?");
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$stmt->execute([$cart_item['product_id']]);
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$current_stock = $stmt->fetch()['stock_quantity'];
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// Check stock availability
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if ($quantity > $current_stock) {
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echo json_encode([
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'success' => false,
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'message' => "Only {$current_stock} available in stock",
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'previous_quantity' => $cart_item['quantity'],
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'current_stock' => $current_stock
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]);
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exit();
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}
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// Update quantity
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$stmt = $pdo->prepare("UPDATE cart_items SET quantity = ? WHERE cart_item_id = ?");
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$result = $stmt->execute([$quantity, $cart_item_id]);
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if (!$result) {
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throw new PDOException("Failed to update cart item");
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}
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// Get updated cart total
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$stmt = $pdo->prepare("
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SELECT SUM(ci.quantity * p.price) as total
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FROM cart_items ci
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JOIN products p ON ci.product_id = p.product_id
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JOIN cart c ON ci.cart_id = c.cart_id
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WHERE c.user_id = ?
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");
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$stmt->execute([$_SESSION['user_id']]);
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$cart_total = $stmt->fetch()['total'] ?? 0;
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// Log success
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error_log("Cart updated successfully - New quantity: $quantity, Total: $cart_total");
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echo json_encode([
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'success' => true,
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'message' => 'Quantity updated successfully',
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'cart_total' => $cart_total,
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'current_stock' => $current_stock
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]);
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} catch (PDOException $e) {
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error_log("Database error: " . $e->getMessage());
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echo json_encode([
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'success' => false,
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'message' => 'Failed to update quantity. Please try again.',
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'previous_quantity' => $cart_item['quantity'] ?? 1
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]);
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} catch (Exception $e) {
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error_log("General error: " . $e->getMessage());
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echo json_encode([
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'success' => false,
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'message' => 'An unexpected error occurred. Please try again.',
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'previous_quantity' => $cart_item['quantity'] ?? 1
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]);
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}
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