/**
* Process the payment
*/
function process_payment($order_id)
{
global $woocommerce;
if (class_exists('WC_Subscriptions_Order') && WC_Subscriptions_Order::order_contains_subscription($order_id)) {
$order = new WC_Order($order_id);
$stripe_token = isset($_POST['stripe_token']) ? woocommerce_clean($_POST['stripe_token']) : '';
// Use Stripe CURL API for payment
try {
$post_data = array();
$customer_id = 0;
// Check if paying via customer ID
if (isset($_POST['stripe_customer_id']) && $_POST['stripe_customer_id'] !== 'new' && is_user_logged_in()) {
$customer_ids = get_user_meta(get_current_user_id(), '_stripe_customer_id', false);
if (isset($customer_ids[$_POST['stripe_customer_id']]['customer_id'])) {
$customer_id = $customer_ids[$_POST['stripe_customer_id']]['customer_id'];
} else {
throw new Exception(__('Invalid card.', 'wc_stripe'));
}
} elseif (empty($stripe_token)) {
throw new Exception(__('Please make sure your card details have been entered correctly and that your browser supports JavaScript.', 'wc_stripe'));
}
if (method_exists('WC_Subscriptions_Order', 'get_total_initial_payment')) {
$initial_payment = WC_Subscriptions_Order::get_total_initial_payment($order);
} else {
$initial_payment = WC_Subscriptions_Order::get_sign_up_fee($order) + WC_Subscriptions_Order::get_price_per_period($order);
}
$customer_response = $this->add_customer_to_order($order, $customer_id, $stripe_token);
if ($initial_payment > 0) {
$payment_response = $this->process_subscription_payment($order, $initial_payment);
}
if (is_wp_error($customer_response)) {
throw new Exception($customer_response->get_error_message());
} else {
if (isset($payment_response) && is_wp_error($payment_response)) {
throw new Exception($payment_response->get_error_message());
} else {
// Payment complete
$order->payment_complete();
// Remove cart
$woocommerce->cart->empty_cart();
// Activate subscriptions
WC_Subscriptions_Manager::activate_subscriptions_for_order($order);
// Store token
if ($stripe_token) {
update_post_meta($order->id, '_stripe_token', $stripe_token);
}
// Return thank you page redirect
return array('result' => 'success', 'redirect' => $this->get_return_url($order));
}
}
} catch (Exception $e) {
$woocommerce->add_error(__('Error:', 'wc_stripe') . ' "' . $e->getMessage() . '"');
return;
}
} else {
return parent::process_payment($order_id);
}
}
/**
* For versions of WooCommerce prior to the existence of the woocommerce_available_gateways,
* hide available gateways with JavaScript.
*
* @since 1.0
*/
public static function gateway_scheduled_subscription_payment($user_id, $subscription_key)
{
$subscription = WC_Subscriptions_Manager::get_users_subscription($user_id, $subscription_key);
$order = new WC_Order($subscription['order_id']);
$amount_to_charge = WC_Subscriptions_Order::get_price_per_period($order, $subscription['product_id']);
$outstanding_payments = WC_Subscriptions_Order::get_outstanding_balance($order, $subscription['product_id']);
if ($outstanding_payments > 0) {
$amount_to_charge += $outstanding_payments;
}
do_action('scheduled_subscription_payment_' . $order->payment_method, $amount_to_charge, $order, $subscription['product_id']);
}
/**
* Override the default PayPal standard args in WooCommerce for subscription purchases.
*
* @since 1.0
*/
public static function paypal_standard_subscription_args($paypal_args)
{
extract(self::get_order_id_and_key($paypal_args));
if (WC_Subscriptions_Order::order_contains_subscription($order_id)) {
$order = new WC_Order($order_id);
$order_items = $order->get_items();
// Only one subscription allowed in the cart when PayPal Standard is active
$product = $order->get_product_from_item($order_items[0]);
// It's a subscription
$paypal_args['cmd'] = '_xclick-subscriptions';
if (count($order->get_items()) > 1) {
foreach ($order->get_items() as $item) {
if ($item['qty'] > 1) {
$item_names[] = $item['qty'] . ' x ' . $item['name'];
} else {
if ($item['qty'] > 0) {
$item_names[] = $item['name'];
}
}
}
$paypal_args['item_name'] = sprintf(__('Order %s', WC_Subscriptions::$text_domain), $order->get_order_number());
} else {
$paypal_args['item_name'] = $product->get_title();
}
// Subscription unit of duration
switch (strtolower(WC_Subscriptions_Order::get_subscription_period($order))) {
case 'day':
$subscription_period = 'D';
break;
case 'week':
$subscription_period = 'W';
break;
case 'year':
$subscription_period = 'Y';
break;
case 'month':
default:
$subscription_period = 'M';
break;
}
$sign_up_fee = WC_Subscriptions_Order::get_sign_up_fee($order);
$price_per_period = WC_Subscriptions_Order::get_price_per_period($order);
$subscription_interval = WC_Subscriptions_Order::get_subscription_interval($order);
$subscription_length = WC_Subscriptions_Order::get_subscription_length($order);
$subscription_trial_length = WC_Subscriptions_Order::get_subscription_trial_length($order);
if ($subscription_trial_length > 0) {
// Specify a free trial period
$paypal_args['a1'] = $sign_up_fee > 0 ? $sign_up_fee : 0;
// Add the sign up fee to the free trial period
// Sign Up interval
$paypal_args['p1'] = $subscription_trial_length;
// Sign Up unit of duration
$paypal_args['t1'] = $subscription_period;
} elseif ($sign_up_fee > 0) {
// No trial period, so charge sign up fee and per period price for the first period
if ($subscription_length == 1) {
$param_number = 3;
} else {
$param_number = 1;
}
$paypal_args['a' . $param_number] = $price_per_period + $sign_up_fee;
// Sign Up interval
$paypal_args['p' . $param_number] = $subscription_interval;
// Sign Up unit of duration
$paypal_args['t' . $param_number] = $subscription_period;
}
// We have a recurring payment
if (!isset($param_number) || $param_number == 1) {
// Subscription price
$paypal_args['a3'] = $price_per_period;
// Subscription duration
$paypal_args['p3'] = $subscription_interval;
// Subscription period
$paypal_args['t3'] = $subscription_period;
}
// Recurring payments
if ($subscription_length == 1 || $sign_up_fee > 0 && $subscription_trial_length == 0 && $subscription_length == 2) {
// Non-recurring payments
$paypal_args['src'] = 0;
} else {
$paypal_args['src'] = 1;
if ($subscription_length > 0) {
if ($sign_up_fee > 0 && $subscription_trial_length == 0) {
// An initial period is being used to charge a sign-up fee
$subscription_length--;
}
$paypal_args['srt'] = $subscription_length / $subscription_interval;
}
}
// Force return URL so that order description & instructions display
$paypal_args['rm'] = 2;
}
return $paypal_args;
}
/**
* notify handler
* @since 2.2.0
*/
function notify_handler()
{
global $woocommerce;
$redirect = get_permalink(woocommerce_get_page_id('cart'));
if (isset($_GET['stripeListener']) && $_GET['stripeListener'] == 'stripe') {
if ($this->debug == 'yes') {
$this->log->add('stripe', __('Post form: ', 'woocommerce') . print_r($_POST, true));
}
if ($woocommerce->verify_nonce('stripe_payment_submit')) {
$order_id = $this->get_request('order');
$order = new WC_Order($order_id);
if ($order->order_key != $_REQUEST['key']) {
$woocommerce->add_error(__('Order key do not match!', 'woocommerce'));
wp_redirect($redirect);
//redirect page
exit;
}
$order_items = $order->get_items();
$product = $order->get_product_from_item(array_pop($order_items));
$this->product_type = $product->product_type;
$params = $this->get_params($order);
if ($this->debug == 'yes') {
$this->log->add('stripe', __('Post paramaters: ', 'woocommerce') . print_r($params, true));
}
$request = new stripe_request($this->get_config());
$response = '';
if ('subscription' == $product->product_type || 'subscription_variation' == $product->product_type) {
if ($this->debug == 'yes') {
$this->log->add('stripe', 'Starting subscription ... ');
}
$sign_up_fee = WC_Subscriptions_Order::get_sign_up_fee($order);
$price_per_period = WC_Subscriptions_Order::get_price_per_period($order);
$subscription_interval = WC_Subscriptions_Order::get_subscription_interval($order);
$subscription_length = WC_Subscriptions_Order::get_subscription_length($order);
$subscription_trial_length = WC_Subscriptions_Order::get_subscription_trial_length($order);
// Subscription unit of duration
switch (strtolower(WC_Subscriptions_Order::get_subscription_period($order))) {
case 'year':
$subscription_period = 'year';
break;
case 'month':
default:
$subscription_period = 'month';
break;
}
// add more param
$sparams = array();
$plan_name = get_post($product->id)->post_title;
//$plan_id = $product->id;
$plan_id = $order_id;
$response = $request->send($plan_id, 'retrieve');
if (!$response->success()) {
//create plan if not exists
if ($this->debug == 'yes') {
$this->log->add('stripe', sprintf(__('Create plan id: %s', 'woocommerce'), $plan_id));
}
$response = $request->send(array('amount' => number_format($price_per_period, 2, '.', '') * 100, 'interval' => $subscription_period, "currency" => $params['currency'], "id" => $plan_id, 'name' => $plan_name, 'trial_period_days' => $subscription_trial_length), 'plan');
}
if ($response->success()) {
if ($this->debug == 'yes') {
$this->log->add('stripe', print_r($response, true));
}
$response = $request->send(array("card" => $params['card'], "plan" => $plan_id, "email" => $order->billing_email), 'customer');
if ($this->debug == 'yes') {
$this->log->add('stripe', 'Customer create: ' . print_r($response->results, true));
}
if ($response->success() && $sign_up_fee > 0) {
$response = $request->send(array("customer" => $response->results->id, "amount" => number_format($sign_up_fee, 2, '.', '') * 100, "currency" => $params['currency'], "description" => __("Sign-up Fee", 'woocommerce')));
if ($this->debug == 'yes') {
$this->log->add('stripe', 'Sign-up fee response: ' . print_r($response->results, true));
}
}
} else {
//error
if ($this->debug == 'yes') {
$this->log->add('stripe', __('Error can not create plan', 'woocommerce'));
}
$woocommerce->add_error(__('Error can not create plan', 'woocommerce'));
}
} else {
$response = $request->send($params);
}
//response result
if ($response->success()) {
$order->add_order_note(__('Stripe payment completed', 'woocommerce') . ' (Transaction ID: ' . $response->get_transaction_id() . ')');
$order->payment_complete();
$woocommerce->cart->empty_cart();
$redirect = add_query_arg('key', $order->order_key, add_query_arg('order', $order_id, get_permalink(woocommerce_get_page_id('thanks'))));
} else {
if ($this->debug == 'yes') {
$this->log->add('stripe', 'Error: ' . $response->get_error(), true);
}
$woocommerce->add_error(__('Payment error', 'woocommerce') . ': ' . $response->get_error() . '');
}
}
wp_redirect($redirect);
//redirect page
exit;
}
}
