305 lines
11 KiB
PHP
305 lines
11 KiB
PHP
<?php
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/**
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* PayPal Order Capture Endpoint
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* Processes PayPal payment, marks invoices paid, creates order records
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* Standalone billing module - uses only standard PHP mysqli
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*/
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require_once(__DIR__ . '/../includes/config.inc.php');
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// Prevent any output before JSON
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ob_start();
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ini_set('display_errors', '0');
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error_reporting(E_ALL);
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// Setup logging
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$logDir = __DIR__ . '/../logs';
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@mkdir($logDir, 0755, true);
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$logFile = $logDir . '/payment_capture.log';
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$requestId = uniqid('req_', true);
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function log_payment($label, $data) {
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global $logFile, $requestId;
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$entry = "[" . date('Y-m-d H:i:s') . "] [$requestId] $label\n";
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$entry .= is_array($data) || is_object($data) ? print_r($data, true) : (string)$data;
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$entry .= "\n" . str_repeat('-', 80) . "\n";
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@file_put_contents($logFile, $entry, FILE_APPEND | LOCK_EX);
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}
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header('Content-Type: application/json');
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// Parse input
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$rawInput = file_get_contents('php://input');
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$input = json_decode($rawInput, true);
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if (json_last_error() !== JSON_ERROR_NONE) {
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log_payment('JSON_ERROR', json_last_error_msg());
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ob_clean();
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echo json_encode(['error' => 'invalid_json', 'request_id' => $requestId]);
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exit;
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}
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$paypal_order_id = $input['order_id'] ?? null;
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if (!$paypal_order_id) {
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log_payment('MISSING_ORDER_ID', $input);
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ob_clean();
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echo json_encode(['error' => 'missing_order_id', 'request_id' => $requestId]);
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exit;
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}
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log_payment('REQUEST_START', ['order_id' => $paypal_order_id]);
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// PayPal API configuration
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$sandbox = true;
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$client_id = 'AfvY_C2zA_hTHxHq7TIhtOeub4xBdySYrt_Hjj3d_WYQwjWI9NfOAVOTeResx2rgZ_nP5tOoxQSAHw8c';
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$client_secret = 'EJ216np9cAj9n7KSddez3fLVxGe-zi4oKKKl1YGqPp88XIikr4Qzbxh0XW2as-V6LgdX-upjtQAg9dC0';
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$api = $sandbox ? 'https://api-m.sandbox.paypal.com' : 'https://api-m.paypal.com';
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// Get OAuth token
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$ch = curl_init("$api/v1/oauth2/token");
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curl_setopt_array($ch, [
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_POST => true,
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CURLOPT_POSTFIELDS => 'grant_type=client_credentials',
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CURLOPT_HTTPHEADER => ['Accept: application/json'],
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CURLOPT_USERPWD => "$client_id:$client_secret",
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]);
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$tokenResponse = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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if ($httpCode !== 200) {
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log_payment('OAUTH_FAILED', ['http_code' => $httpCode, 'response' => $tokenResponse]);
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ob_clean();
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echo json_encode(['error' => 'oauth_failed', 'request_id' => $requestId]);
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exit;
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}
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$tokenData = json_decode($tokenResponse, true);
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$accessToken = $tokenData['access_token'] ?? null;
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if (!$accessToken) {
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log_payment('NO_ACCESS_TOKEN', $tokenData);
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ob_clean();
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echo json_encode(['error' => 'no_access_token', 'request_id' => $requestId]);
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exit;
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}
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// Capture the PayPal order
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$ch = curl_init("$api/v2/checkout/orders/$paypal_order_id/capture");
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curl_setopt_array($ch, [
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_POST => true,
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CURLOPT_HTTPHEADER => [
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'Content-Type: application/json',
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"Authorization: Bearer $accessToken"
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],
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]);
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$captureResponse = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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if ($httpCode !== 201 && $httpCode !== 200) {
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log_payment('CAPTURE_FAILED', ['http_code' => $httpCode, 'response' => substr($captureResponse, 0, 500)]);
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ob_clean();
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echo json_encode(['error' => 'capture_failed', 'http_code' => $httpCode, 'request_id' => $requestId]);
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exit;
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}
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$captureData = json_decode($captureResponse, true);
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if (json_last_error() !== JSON_ERROR_NONE) {
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log_payment('CAPTURE_JSON_ERROR', json_last_error_msg());
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ob_clean();
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echo json_encode(['error' => 'capture_json_error', 'request_id' => $requestId]);
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exit;
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}
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$status = $captureData['status'] ?? null;
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if ($status !== 'COMPLETED') {
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log_payment('NOT_COMPLETED', ['status' => $status]);
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ob_clean();
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echo json_encode(['error' => 'payment_not_completed', 'status' => $status, 'request_id' => $requestId]);
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exit;
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}
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// Extract transaction ID
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$txid = $captureData['purchase_units'][0]['payments']['captures'][0]['id'] ?? null;
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$payer_email = $captureData['payer']['email_address'] ?? '';
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$payer_name = ($captureData['payer']['name']['given_name'] ?? '') . ' ' . ($captureData['payer']['name']['surname'] ?? '');
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// Store full PayPal response as JSON for admin/refund tracking
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$paypal_json = json_encode($captureData);
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log_payment('PAYMENT_CAPTURED', [
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'txid' => $txid,
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'payer_email' => $payer_email,
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'payer_name' => trim($payer_name)
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]);
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// Start session to get user_id (use billing website session name)
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if (session_status() === PHP_SESSION_NONE) {
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session_name("gameservers_website");
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session_start();
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}
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$user_id = isset($_SESSION['website_user_id']) ? intval($_SESSION['website_user_id']) :
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(isset($_SESSION['user_id']) ? intval($_SESSION['user_id']) : 0);
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if ($user_id <= 0) {
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log_payment('NO_USER_SESSION', $_SESSION);
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ob_clean();
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echo json_encode(['error' => 'no_user_session', 'request_id' => $requestId]);
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exit;
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}
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// Connect to database
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$db = mysqli_connect($db_host, $db_user, $db_pass, $db_name);
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if (!$db) {
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log_payment('DB_CONNECTION_FAILED', mysqli_connect_error());
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ob_clean();
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echo json_encode(['error' => 'db_connection_failed', 'request_id' => $requestId]);
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exit;
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}
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$now = date('Y-m-d H:i:s');
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$esc_txid = mysqli_real_escape_string($db, $txid);
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$esc_paypal_json = mysqli_real_escape_string($db, $paypal_json);
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// Apply coupon from session to invoices before marking paid
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session_start();
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$coupon_id = isset($_SESSION['cart_coupon_id']) ? intval($_SESSION['cart_coupon_id']) : 0;
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if ($coupon_id > 0) {
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// Get unpaid invoices for this user to apply coupon
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$invoices_query = "SELECT invoice_id, amount FROM {$table_prefix}billing_invoices
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WHERE user_id=$user_id AND status='due'";
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$invoices_result = mysqli_query($db, $invoices_query);
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// Get coupon details
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$coupon_query = "SELECT discount_percent FROM {$table_prefix}billing_coupons
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WHERE coupon_id=$coupon_id AND is_active=1 LIMIT 1";
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$coupon_result = mysqli_query($db, $coupon_query);
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if ($coupon_result && mysqli_num_rows($coupon_result) === 1) {
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$coupon_row = mysqli_fetch_assoc($coupon_result);
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$discount_percent = floatval($coupon_row['discount_percent']);
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// Update each invoice with coupon
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while ($inv_row = mysqli_fetch_assoc($invoices_result)) {
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$inv_id = intval($inv_row['invoice_id']);
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$inv_amount = floatval($inv_row['amount']);
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$discount_amt = $inv_amount * ($discount_percent / 100);
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$new_amount = $inv_amount - $discount_amt;
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$update_coupon_sql = "UPDATE {$table_prefix}billing_invoices
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SET coupon_id=$coupon_id,
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discount_amount=" . number_format($discount_amt, 2, '.', '') . ",
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amount=" . number_format($new_amount, 2, '.', '') . "
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WHERE invoice_id=$inv_id";
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mysqli_query($db, $update_coupon_sql);
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log_payment('COUPON_APPLIED', ['invoice_id' => $inv_id, 'discount' => $discount_amt]);
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}
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// Increment coupon usage
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$update_usage_sql = "UPDATE {$table_prefix}billing_coupons
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SET current_uses = current_uses + 1
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WHERE coupon_id=$coupon_id";
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mysqli_query($db, $update_usage_sql);
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// Clear coupon from session
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unset($_SESSION['cart_coupon_code']);
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unset($_SESSION['cart_coupon_id']);
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}
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}
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// Mark all due invoices for this user as paid
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$updateInvoicesSql = "UPDATE {$table_prefix}billing_invoices
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SET status='paid', paid_date='$now', payment_txid='$esc_txid', payment_method='paypal'
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WHERE user_id=$user_id AND status='due'";
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log_payment('UPDATE_INVOICES_SQL', $updateInvoicesSql);
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$updateResult = mysqli_query($db, $updateInvoicesSql);
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if (!$updateResult) {
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log_payment('UPDATE_INVOICES_FAILED', mysqli_error($db));
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mysqli_close($db);
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ob_clean();
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echo json_encode(['error' => 'update_invoices_failed', 'request_id' => $requestId]);
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exit;
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}
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$affectedInvoices = mysqli_affected_rows($db);
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log_payment('INVOICES_MARKED_PAID', ['count' => $affectedInvoices]);
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// Get all invoices we just marked paid
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$getInvoicesSql = "SELECT * FROM {$table_prefix}billing_invoices
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WHERE user_id=$user_id AND payment_txid='$esc_txid'";
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$invoicesResult = mysqli_query($db, $getInvoicesSql);
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$ordersCreated = 0;
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while ($inv = mysqli_fetch_assoc($invoicesResult)) {
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$invoice_id = intval($inv['invoice_id']);
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$existing_order_id = intval($inv['order_id'] ?? 0);
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// Skip if invoice already linked to an order (renewal)
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if ($existing_order_id > 0) {
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log_payment('RENEWAL_INVOICE', ['invoice_id' => $invoice_id, 'order_id' => $existing_order_id]);
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continue;
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}
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// Create new order
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$service_id = intval($inv['service_id']);
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$home_name = mysqli_real_escape_string($db, $inv['home_name']);
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$ip = intval($inv['ip']);
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$max_players = intval($inv['max_players']);
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$qty = intval($inv['qty']);
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$duration = mysqli_real_escape_string($db, $inv['invoice_duration']);
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$amount = floatval($inv['amount']);
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$rcon_pw = mysqli_real_escape_string($db, $inv['remote_control_password']);
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$ftp_pw = mysqli_real_escape_string($db, $inv['ftp_password']);
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// Calculate end_date
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$end_date = date('Y-m-d H:i:s', strtotime("+$qty $duration"));
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// Insert order with status='paid' (panel will provision and change to 'active')
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$insertOrderSql = "INSERT INTO {$table_prefix}billing_orders (
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user_id, service_id, home_name, ip, max_players, qty, invoice_duration,
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price, remote_control_password, ftp_password, status, order_date, end_date,
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payment_txid, paid_ts, paypal_data
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) VALUES (
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$user_id, $service_id, '$home_name', $ip, $max_players, $qty, '$duration',
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$amount, '$rcon_pw', '$ftp_pw', 'paid', '$now', '$end_date',
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'$esc_txid', '$now', '$esc_paypal_json'
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)";
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log_payment('INSERT_ORDER_SQL', substr($insertOrderSql, 0, 300));
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if (mysqli_query($db, $insertOrderSql)) {
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$new_order_id = mysqli_insert_id($db);
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log_payment('ORDER_CREATED', ['order_id' => $new_order_id, 'invoice_id' => $invoice_id]);
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// Link invoice to order
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$linkSql = "UPDATE {$table_prefix}billing_invoices SET order_id=$new_order_id WHERE invoice_id=$invoice_id";
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mysqli_query($db, $linkSql);
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$ordersCreated++;
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} else {
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log_payment('INSERT_ORDER_FAILED', mysqli_error($db));
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}
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}
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mysqli_close($db);
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log_payment('PROCESSING_COMPLETE', [
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'invoices_paid' => $affectedInvoices,
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'orders_created' => $ordersCreated,
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'txid' => $txid
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]);
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// Return success response
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ob_clean();
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echo json_encode([
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'status' => 'COMPLETED',
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'order_id' => $paypal_order_id,
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'txid' => $txid,
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'invoices_paid' => $affectedInvoices,
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'orders_created' => $ordersCreated
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]);
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