302 lines
12 KiB
PHP
302 lines
12 KiB
PHP
<?php
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if (!defined('ABSPATH')) {
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exit;
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}
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class WPDD_PayPal {
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public static function init() {
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add_action('wp_enqueue_scripts', array(__CLASS__, 'enqueue_paypal_sdk'));
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add_action('wp_ajax_wpdd_create_paypal_order', array(__CLASS__, 'create_order'));
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add_action('wp_ajax_nopriv_wpdd_create_paypal_order', array(__CLASS__, 'create_order'));
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add_action('wp_ajax_wpdd_capture_paypal_order', array(__CLASS__, 'capture_order'));
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add_action('wp_ajax_nopriv_wpdd_capture_paypal_order', array(__CLASS__, 'capture_order'));
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}
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public static function enqueue_paypal_sdk() {
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if (!is_page(get_option('wpdd_checkout_page_id'))) {
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return;
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}
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$client_id = get_option('wpdd_paypal_client_id');
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$mode = get_option('wpdd_paypal_mode', 'sandbox');
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if (!$client_id) {
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return;
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}
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wp_enqueue_script(
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'paypal-sdk',
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'https://www.paypal.com/sdk/js?client-id=' . $client_id . '¤cy=USD',
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array(),
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null,
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true
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);
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wp_enqueue_script(
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'wpdd-paypal',
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WPDD_PLUGIN_URL . 'assets/js/paypal.js',
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array('jquery', 'paypal-sdk'),
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WPDD_VERSION,
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true
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);
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wp_localize_script('wpdd-paypal', 'wpdd_paypal', array(
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'ajax_url' => admin_url('admin-ajax.php'),
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'nonce' => wp_create_nonce('wpdd-paypal-nonce'),
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'mode' => $mode
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));
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}
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public static function create_order() {
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check_ajax_referer('wpdd-paypal-nonce', 'nonce');
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$product_id = isset($_POST['product_id']) ? intval($_POST['product_id']) : 0;
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if (!$product_id) {
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wp_send_json_error('Invalid product');
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}
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$product = get_post($product_id);
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if (!$product || $product->post_type !== 'wpdd_product') {
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wp_send_json_error('Product not found');
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}
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$price = get_post_meta($product_id, '_wpdd_price', true);
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$sale_price = get_post_meta($product_id, '_wpdd_sale_price', true);
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$final_price = ($sale_price && $sale_price < $price) ? $sale_price : $price;
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$order_data = array(
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'intent' => 'CAPTURE',
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'purchase_units' => array(
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array(
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'reference_id' => 'wpdd_' . $product_id . '_' . time(),
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'description' => substr($product->post_title, 0, 127),
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'amount' => array(
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'currency_code' => 'USD',
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'value' => number_format($final_price, 2, '.', '')
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)
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)
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),
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'application_context' => array(
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'brand_name' => get_bloginfo('name'),
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'return_url' => add_query_arg('wpdd_paypal_return', '1', get_permalink(get_option('wpdd_thank_you_page_id'))),
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'cancel_url' => add_query_arg('wpdd_paypal_cancel', '1', get_permalink(get_option('wpdd_checkout_page_id')))
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)
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);
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$paypal_order = self::api_request('/v2/checkout/orders', $order_data, 'POST');
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if (isset($paypal_order['id'])) {
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$_SESSION['wpdd_paypal_order_' . $paypal_order['id']] = array(
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'product_id' => $product_id,
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'amount' => $final_price,
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'customer_email' => sanitize_email($_POST['customer_email'] ?? ''),
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'customer_name' => sanitize_text_field($_POST['customer_name'] ?? '')
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);
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wp_send_json_success(array('orderID' => $paypal_order['id']));
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} else {
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wp_send_json_error('Failed to create PayPal order');
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}
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}
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public static function capture_order() {
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check_ajax_referer('wpdd-paypal-nonce', 'nonce');
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$paypal_order_id = isset($_POST['orderID']) ? sanitize_text_field($_POST['orderID']) : '';
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if (!$paypal_order_id) {
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wp_send_json_error('Invalid order ID');
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}
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$capture_response = self::api_request('/v2/checkout/orders/' . $paypal_order_id . '/capture', array(), 'POST');
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if (isset($capture_response['status']) && $capture_response['status'] === 'COMPLETED') {
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$session_data = $_SESSION['wpdd_paypal_order_' . $paypal_order_id] ?? array();
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// Add error logging for debugging session issues
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if (empty($session_data)) {
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error_log('WPDD PayPal Error: No session data found for PayPal order ' . $paypal_order_id);
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error_log('WPDD PayPal Debug: Session ID: ' . session_id());
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error_log('WPDD PayPal Debug: Available sessions: ' . print_r($_SESSION ?? array(), true));
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wp_send_json_error('Session data not found - order cannot be processed');
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return;
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}
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$order_number = 'WPDD-' . strtoupper(uniqid());
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global $wpdb;
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$customer_id = 0;
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$customer_email = $session_data['customer_email'];
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$customer_name = $session_data['customer_name'];
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if (is_user_logged_in()) {
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$current_user = wp_get_current_user();
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$customer_id = $current_user->ID;
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$customer_email = $current_user->user_email;
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$customer_name = $current_user->display_name;
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} elseif (!empty($_POST['create_account']) && !empty($customer_email)) {
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$username = strstr($customer_email, '@', true) . '_' . wp_rand(1000, 9999);
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$password = wp_generate_password();
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$user_id = wp_create_user($username, $password, $customer_email);
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if (!is_wp_error($user_id)) {
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$customer_id = $user_id;
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wp_update_user(array(
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'ID' => $user_id,
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'display_name' => $customer_name,
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'first_name' => $customer_name
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));
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$user = new WP_User($user_id);
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$user->set_role('wpdd_customer');
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wp_new_user_notification($user_id, null, 'both');
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}
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}
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$product = get_post($session_data['product_id']);
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$wpdb->insert(
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$wpdb->prefix . 'wpdd_orders',
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array(
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'order_number' => $order_number,
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'product_id' => $session_data['product_id'],
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'customer_id' => $customer_id,
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'creator_id' => $product->post_author,
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'status' => 'completed',
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'payment_method' => 'paypal',
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'transaction_id' => $capture_response['id'],
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'amount' => $session_data['amount'],
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'currency' => 'USD',
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'customer_email' => $customer_email,
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'customer_name' => $customer_name,
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'purchase_date' => current_time('mysql')
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),
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array('%s', '%d', '%d', '%d', '%s', '%s', '%s', '%f', '%s', '%s', '%s', '%s')
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);
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$order_id = $wpdb->insert_id;
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self::generate_download_link($order_id);
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self::send_purchase_email($order_id);
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update_post_meta($session_data['product_id'], '_wpdd_sales_count',
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intval(get_post_meta($session_data['product_id'], '_wpdd_sales_count', true)) + 1);
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unset($_SESSION['wpdd_paypal_order_' . $paypal_order_id]);
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wp_send_json_success(array(
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'redirect_url' => add_query_arg(
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'order_id',
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$order_number,
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get_permalink(get_option('wpdd_thank_you_page_id'))
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)
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));
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} else {
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wp_send_json_error('Payment capture failed');
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}
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}
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private static function api_request($endpoint, $data = array(), $method = 'GET') {
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$mode = get_option('wpdd_paypal_mode', 'sandbox');
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$client_id = get_option('wpdd_paypal_client_id');
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$secret = get_option('wpdd_paypal_secret');
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if (!$client_id || !$secret) {
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return false;
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}
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$base_url = $mode === 'live'
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? 'https://api.paypal.com'
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: 'https://api.sandbox.paypal.com';
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$auth = base64_encode($client_id . ':' . $secret);
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$args = array(
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'method' => $method,
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'headers' => array(
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'Authorization' => 'Basic ' . $auth,
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'Content-Type' => 'application/json'
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),
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'timeout' => 30
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);
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if (!empty($data)) {
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$args['body'] = json_encode($data);
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}
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$response = wp_remote_request($base_url . $endpoint, $args);
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if (is_wp_error($response)) {
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return false;
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}
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$body = wp_remote_retrieve_body($response);
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return json_decode($body, true);
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}
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private static function generate_download_link($order_id) {
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global $wpdb;
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$token = wp_hash(uniqid() . $order_id . time());
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$expires_at = date('Y-m-d H:i:s', strtotime('+7 days'));
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$wpdb->insert(
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$wpdb->prefix . 'wpdd_download_links',
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array(
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'order_id' => $order_id,
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'token' => $token,
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'expires_at' => $expires_at,
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'max_downloads' => 5,
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'created_at' => current_time('mysql')
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),
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array('%d', '%s', '%s', '%d', '%s')
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);
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return $token;
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}
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private static function send_purchase_email($order_id) {
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global $wpdb;
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$order = $wpdb->get_row($wpdb->prepare(
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"SELECT o.*, p.post_title as product_name, dl.token
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FROM {$wpdb->prefix}wpdd_orders o
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LEFT JOIN {$wpdb->posts} p ON o.product_id = p.ID
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LEFT JOIN {$wpdb->prefix}wpdd_download_links dl ON o.id = dl.order_id
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WHERE o.id = %d",
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$order_id
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));
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if (!$order) {
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return;
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}
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$download_url = add_query_arg(array(
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'wpdd_download_token' => $order->token
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), home_url());
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$subject = sprintf(__('Your Purchase from %s', 'wp-digital-download'), get_bloginfo('name'));
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$message = sprintf(
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__("Hi %s,\n\nThank you for your purchase!\n\n", 'wp-digital-download'),
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$order->customer_name
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);
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$message .= sprintf(__("Order Number: %s\n", 'wp-digital-download'), $order->order_number);
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$message .= sprintf(__("Product: %s\n", 'wp-digital-download'), $order->product_name);
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$message .= sprintf(__("Amount: $%s\n\n", 'wp-digital-download'), number_format($order->amount, 2));
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$message .= __("Download your product here:\n", 'wp-digital-download');
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$message .= $download_url . "\n\n";
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$message .= __("This download link will expire in 7 days.\n\n", 'wp-digital-download');
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$message .= sprintf(__("Best regards,\n%s", 'wp-digital-download'), get_bloginfo('name'));
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wp_mail($order->customer_email, $subject, $message);
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}
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} |