564 lines
22 KiB
PHP
564 lines
22 KiB
PHP
<?php
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require_once '../includes/auth_functions.php';
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redirectIfNotLoggedIn();
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redirectIfNotAdmin();
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require_once '../config/database.php';
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$success_message = '';
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$error_message = '';
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// Get product ID from URL
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$product_id = isset($_GET['id']) ? (int)$_GET['id'] : 0;
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// Fetch product details
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$stmt = $pdo->prepare("SELECT * FROM products WHERE product_id = ? AND owner_id = ?");
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$stmt->execute([$product_id, $_SESSION['user_id']]);
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$product = $stmt->fetch();
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if (!$product) {
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header('Location: dashboard.php');
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exit;
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}
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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$name = trim($_POST['name']);
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$description = trim($_POST['description']);
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$price = trim($_POST['price']);
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$category = trim($_POST['category']);
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$subcategory = trim($_POST['subcategory']);
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$stock_quantity = (int)$_POST['stock_quantity'];
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// Get size data if category is clothes
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$size_data = null;
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if ($category === 'clothes' && isset($_POST['sizes']) && isset($_POST['size_quantities'])) {
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$sizes = $_POST['sizes'];
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$quantities = $_POST['size_quantities'];
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$size_data = [];
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for ($i = 0; $i < count($sizes); $i++) {
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if (!empty($sizes[$i]) && isset($quantities[$i]) && $quantities[$i] > 0) {
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$size_data[$sizes[$i]] = (int)$quantities[$i];
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}
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}
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// Update stock quantity based on sizes
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$stock_quantity = array_sum($size_data);
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}
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// Validate inputs
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if (empty($name) || empty($description) || empty($price) || empty($stock_quantity)) {
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$error_message = 'Please fill in all required fields.';
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} elseif (!is_numeric($price) || $price <= 0) {
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$error_message = 'Please enter a valid price.';
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} elseif ($stock_quantity < 0) {
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$error_message = 'Stock quantity cannot be negative.';
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} elseif ($category === 'clothes' && empty($size_data)) {
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$error_message = 'Please add at least one size with quantity.';
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} else {
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try {
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// Handle image upload
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$image_path = $product['image_path']; // Keep existing image by default
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if (isset($_FILES['image']) && $_FILES['image']['error'] === UPLOAD_ERR_OK) {
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$upload_dir = '../uploads/products/';
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if (!file_exists($upload_dir)) {
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mkdir($upload_dir, 0777, true);
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}
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$file_extension = strtolower(pathinfo($_FILES['image']['name'], PATHINFO_EXTENSION));
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$allowed_extensions = ['jpg', 'jpeg', 'png', 'gif'];
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if (!in_array($file_extension, $allowed_extensions)) {
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throw new Exception('Invalid file type. Only JPG, JPEG, PNG, and GIF files are allowed.');
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}
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$image_path = uniqid() . '.' . $file_extension;
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$upload_path = $upload_dir . $image_path;
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if (!move_uploaded_file($_FILES['image']['tmp_name'], $upload_path)) {
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throw new Exception('Failed to upload image.');
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}
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// Delete old image if exists
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if ($product['image_path'] && file_exists($upload_dir . $product['image_path'])) {
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unlink($upload_dir . $product['image_path']);
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}
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}
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if (empty($error_message)) {
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$pdo->beginTransaction();
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$stmt = $pdo->prepare("
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UPDATE products
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SET name = ?, description = ?, price = ?, category = ?, Sub_Cat = ?,
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stock_quantity = ?, image_path = ?, size_data = ?
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WHERE product_id = ? AND owner_id = ?
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");
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$stmt->execute([
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$name,
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$description,
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$price,
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$category,
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$subcategory,
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$stock_quantity,
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$image_path,
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$size_data ? json_encode($size_data) : null,
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$product_id,
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$_SESSION['user_id']
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]);
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$pdo->commit();
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$success_message = 'Product updated successfully!';
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// Refresh product data
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$stmt = $pdo->prepare("SELECT * FROM products WHERE product_id = ? AND owner_id = ?");
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$stmt->execute([$product_id, $_SESSION['user_id']]);
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$product = $stmt->fetch();
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}
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} catch (Exception $e) {
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$pdo->rollBack();
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$error_message = $e->getMessage();
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}
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}
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}
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Edit Product - UniMarket</title>
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<link rel="stylesheet" href="/assets/css/style.css">
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<link rel="stylesheet" href="/assets/css/responsive.css">
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css">
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<style>
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.edit-product {
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max-width: 800px;
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margin: 0 auto;
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padding: 20px;
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}
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.form-group {
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margin-bottom: 20px;
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}
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.form-group label {
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display: block;
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margin-bottom: 5px;
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font-weight: 500;
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}
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.form-group input[type="text"],
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.form-group input[type="number"],
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.form-group textarea,
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.form-group select {
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width: 100%;
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padding: 8px;
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border: 1px solid #ddd;
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border-radius: 4px;
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font-size: 16px;
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}
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.form-group textarea {
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height: 150px;
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resize: vertical;
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}
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.btn-submit {
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background-color: #4CAF50;
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color: white;
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padding: 12px 24px;
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border: none;
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border-radius: 4px;
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cursor: pointer;
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font-size: 16px;
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}
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.btn-submit:hover {
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background-color: #45a049;
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}
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.alert {
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padding: 15px;
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margin-bottom: 20px;
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border-radius: 4px;
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}
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.alert-success {
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background-color: #dff0d8;
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color: #3c763d;
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border: 1px solid #d6e9c6;
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}
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.alert-error {
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background-color: #f2dede;
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color: #a94442;
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border: 1px solid #ebccd1;
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}
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.back-button {
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display: inline-flex;
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align-items: center;
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gap: 8px;
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color: #6c757d;
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text-decoration: none;
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margin-bottom: 20px;
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font-weight: 500;
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transition: color 0.3s ease;
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}
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.back-button:hover {
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color: #495057;
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}
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.back-button i {
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font-size: 1.1rem;
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}
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.image-preview {
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max-width: 200px;
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margin-top: 10px;
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}
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.size-row {
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display: flex;
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gap: 10px;
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margin-bottom: 10px;
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align-items: center;
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}
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.size-select, .size-quantity {
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padding: 8px;
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border: 1px solid #ddd;
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border-radius: 4px;
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}
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.size-select {
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width: 100px;
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}
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.size-quantity {
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width: 100px;
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}
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.btn-remove-size {
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background: #ff4444;
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color: white;
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border: none;
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border-radius: 4px;
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width: 30px;
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height: 30px;
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cursor: pointer;
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font-size: 18px;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.btn-add-size {
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background: var(--primary-color);
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color: white;
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border: none;
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padding: 8px 16px;
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border-radius: 4px;
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cursor: pointer;
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margin-top: 10px;
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}
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.btn-add-size:hover {
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background: var(--primary-dark);
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}
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</style>
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</head>
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<body>
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<?php include '../includes/header.php'; ?>
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<div class="container edit-product">
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<a href="dashboard.php" class="back-button">
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<i class="fas fa-arrow-left"></i> Back to Dashboard
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</a>
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<h1>Edit Product</h1>
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<?php if ($success_message): ?>
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<div class="alert alert-success">
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<?php echo $success_message; ?>
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</div>
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<?php endif; ?>
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<?php if ($error_message): ?>
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<div class="alert alert-error">
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<?php echo $error_message; ?>
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</div>
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<?php endif; ?>
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<form method="POST" enctype="multipart/form-data">
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<div class="form-group">
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<label for="name">Product Name*</label>
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<input type="text" id="name" name="name" value="<?php echo htmlspecialchars($product['name']); ?>" required>
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</div>
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<div class="form-group">
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<label for="description">Description*</label>
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<textarea id="description" name="description" required><?php echo htmlspecialchars($product['description']); ?></textarea>
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</div>
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<div class="form-group">
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<label for="price">Price*</label>
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<input type="number" id="price" name="price" step="0.01" min="0" value="<?php echo htmlspecialchars($product['price']); ?>" required>
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</div>
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<div class="form-group">
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<label for="category">Category*</label>
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<select id="category" name="category" onchange="updateSubcategories()" required>
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<option value="">Select a category</option>
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<option value="clothes" <?php echo $product['category'] === 'clothes' ? 'selected' : ''; ?>>Clothes</option>
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<option value="school_supplies" <?php echo $product['category'] === 'school_supplies' ? 'selected' : ''; ?>>School Supplies</option>
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<option value="others" <?php echo $product['category'] === 'others' ? 'selected' : ''; ?>>Others</option>
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</select>
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</div>
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<div class="form-group" id="subcategoryGroup" style="display: none;">
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<label for="subcategory">Subcategory*</label>
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<select id="subcategory" name="subcategory" onchange="handleSubcategoryChange()" required>
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<option value="">Select a subcategory</option>
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</select>
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<input type="text" id="customSubcategory" name="custom_subcategory" style="display: none;" placeholder="Enter subcategory">
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</div>
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<div class="form-group" id="sizeGroup" style="display: <?php echo $product['category'] === 'clothes' ? 'block' : 'none'; ?>;">
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<label>Sizes and Quantities*</label>
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<div id="sizeContainer">
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<?php
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$size_data = json_decode($product['size_data'], true);
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if ($size_data) {
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foreach ($size_data as $size => $quantity) {
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echo '<div class="size-row">';
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echo '<select class="size-select" name="sizes[]">';
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echo '<option value="XS" ' . ($size === 'XS' ? 'selected' : '') . '>XS</option>';
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echo '<option value="S" ' . ($size === 'S' ? 'selected' : '') . '>S</option>';
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echo '<option value="M" ' . ($size === 'M' ? 'selected' : '') . '>M</option>';
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echo '<option value="L" ' . ($size === 'L' ? 'selected' : '') . '>L</option>';
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echo '<option value="XL" ' . ($size === 'XL' ? 'selected' : '') . '>XL</option>';
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echo '</select>';
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echo '<input type="number" class="size-quantity" name="size_quantities[]" min="0" value="' . $quantity . '" required>';
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echo '<button type="button" class="btn-remove-size" onclick="removeSize(this)">×</button>';
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echo '</div>';
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}
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}
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?>
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</div>
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<button type="button" class="btn-add-size" onclick="addSize()">Add Size</button>
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</div>
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<div class="form-group" id="stockGroup" style="display: <?php echo $product['category'] === 'clothes' ? 'none' : 'block'; ?>;">
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<label for="stock_quantity">Stock Quantity*</label>
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<input type="number" id="stock_quantity" name="stock_quantity" min="0" value="<?php echo htmlspecialchars($product['stock_quantity']); ?>" required>
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</div>
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<div class="form-group">
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<label for="image">Product Image</label>
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<?php if ($product['image_path']): ?>
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<img src="/uploads/products/<?php echo htmlspecialchars($product['image_path']); ?>" class="image-preview" style="display: block;">
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<?php endif; ?>
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<input type="file" id="image" name="image" accept="image/*" onchange="previewImage(this)">
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<img id="imagePreview" class="image-preview">
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</div>
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<button type="submit" class="btn-submit">Update Product</button>
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</form>
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</div>
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<script>
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const subcategories = {
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clothes: [
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'T-Shirts',
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'Pants',
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'PE Uniform',
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'University Uniform'
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],
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school_supplies: [
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'Notebooks',
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'Pens',
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'Pencils',
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'Highlighters',
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'Markers',
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'Art Supplies',
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'Paper',
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'Folders',
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'Binders',
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'Staplers'
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],
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others: [
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'University Lace',
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'Hygiene Products',
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'Seals',
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'Calculator',
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'ID Holders'
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]
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};
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function updateSubcategories() {
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const categorySelect = document.getElementById('category');
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const subcategorySelect = document.getElementById('subcategory');
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const subcategoryGroup = document.getElementById('subcategoryGroup');
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const customSubcategory = document.getElementById('customSubcategory');
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const sizeGroup = document.getElementById('sizeGroup');
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const stockQuantityInput = document.getElementById('stock_quantity');
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const selectedCategory = categorySelect.value;
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// Clear current options
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subcategorySelect.innerHTML = '<option value="">Select a subcategory</option>';
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if (selectedCategory && subcategories[selectedCategory]) {
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// Show subcategory group
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subcategoryGroup.style.display = 'block';
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subcategorySelect.style.display = 'block';
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customSubcategory.style.display = 'none';
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// Show/hide size group based on category
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if (selectedCategory === 'clothes') {
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sizeGroup.style.display = 'block';
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stockQuantityInput.style.display = 'none';
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stockQuantityInput.value = calculateTotalSizeQuantity();
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} else {
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sizeGroup.style.display = 'none';
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stockQuantityInput.style.display = 'block';
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}
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// Add new options
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subcategories[selectedCategory].forEach(subcategory => {
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const option = document.createElement('option');
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option.value = subcategory.toLowerCase().replace(/\s+/g, '_');
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option.textContent = subcategory;
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subcategorySelect.appendChild(option);
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});
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// Add custom option
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const customOption = document.createElement('option');
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customOption.value = 'custom';
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customOption.textContent = 'Other (Type your own)';
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subcategorySelect.appendChild(customOption);
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} else {
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// Hide subcategory group if no category selected
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subcategoryGroup.style.display = 'none';
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sizeGroup.style.display = 'none';
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stockQuantityInput.style.display = 'block';
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}
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}
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function handleSubcategoryChange() {
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const subcategorySelect = document.getElementById('subcategory');
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const customSubcategory = document.getElementById('customSubcategory');
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if (subcategorySelect.value === 'custom') {
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subcategorySelect.style.display = 'none';
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customSubcategory.style.display = 'block';
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customSubcategory.focus();
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customSubcategory.required = true;
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subcategorySelect.name = 'subcategory_placeholder';
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customSubcategory.name = 'subcategory';
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} else {
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subcategorySelect.style.display = 'block';
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customSubcategory.style.display = 'none';
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customSubcategory.required = false;
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subcategorySelect.name = 'subcategory';
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customSubcategory.name = 'custom_subcategory';
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}
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}
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function calculateTotalSizeQuantity() {
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const quantities = document.getElementsByName('size_quantities[]');
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let total = 0;
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for (let input of quantities) {
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total += parseInt(input.value) || 0;
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}
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return total;
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}
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function updateTotalQuantity() {
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const stockQuantityInput = document.getElementById('stock_quantity');
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stockQuantityInput.value = calculateTotalSizeQuantity();
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}
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function addSize() {
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const container = document.getElementById('sizeContainer');
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const row = document.createElement('div');
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row.className = 'size-row';
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const sizeSelect = document.createElement('select');
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sizeSelect.className = 'size-select';
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sizeSelect.name = 'sizes[]';
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['XS', 'S', 'M', 'L', 'XL'].forEach(size => {
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const option = document.createElement('option');
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option.value = size;
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option.textContent = size;
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sizeSelect.appendChild(option);
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});
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const quantityInput = document.createElement('input');
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quantityInput.type = 'number';
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quantityInput.className = 'size-quantity';
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quantityInput.name = 'size_quantities[]';
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quantityInput.min = '0';
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quantityInput.required = true;
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const removeButton = document.createElement('button');
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removeButton.type = 'button';
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removeButton.className = 'btn-remove-size';
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removeButton.textContent = '×';
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removeButton.onclick = function() { removeSize(this); };
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row.appendChild(sizeSelect);
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row.appendChild(quantityInput);
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row.appendChild(removeButton);
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container.appendChild(row);
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}
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function removeSize(button) {
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button.parentElement.remove();
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}
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function previewImage(input) {
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const preview = document.getElementById('imagePreview');
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if (input.files && input.files[0]) {
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const reader = new FileReader();
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reader.onload = function(e) {
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preview.src = e.target.result;
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preview.style.display = 'block';
|
||
}
|
||
reader.readAsDataURL(input.files[0]);
|
||
} else {
|
||
preview.style.display = 'none';
|
||
}
|
||
}
|
||
|
||
// Initialize form state
|
||
document.addEventListener('DOMContentLoaded', function() {
|
||
updateSubcategories();
|
||
const subcategorySelect = document.getElementById('subcategory');
|
||
const currentSubcategory = '<?php echo htmlspecialchars($product['Sub_Cat']); ?>';
|
||
|
||
// Check if current subcategory is in the list
|
||
let found = false;
|
||
for (let option of subcategorySelect.options) {
|
||
if (option.value === currentSubcategory) {
|
||
option.selected = true;
|
||
found = true;
|
||
break;
|
||
}
|
||
}
|
||
|
||
// If not found, it's a custom subcategory
|
||
if (!found) {
|
||
subcategorySelect.value = 'custom';
|
||
handleSubcategoryChange();
|
||
document.getElementById('customSubcategory').value = currentSubcategory;
|
||
}
|
||
});
|
||
</script>
|
||
</body>
|
||
</html>
|