/**
* Process PayPal Purchase
*
* @since 1.0
* @global $edd_options Array of all the EDD Options
* @param array $purchase_data Purchase Data
* @return void
*/
function edd_process_paypal_purchase($purchase_data)
{
global $edd_options;
// Check there is a gateway name
if (!isset($purchase_data['post_data']['edd-gateway'])) {
return;
}
/*
Purchase data comes in like this:
$purchase_data = array(
'downloads' => array of download IDs,
'tax' => taxed amount on shopping cart
'subtotal' => total price before tax
'price' => total price of cart contents after taxes,
'purchase_key' => // Random key
'user_email' => $user_email,
'date' => date( 'Y-m-d H:i:s' ),
'user_id' => $user_id,
'post_data' => $_POST,
'user_info' => array of user's information and used discount code
'cart_details' => array of cart details,
);
*/
// Collect payment data
$payment_data = array('price' => $purchase_data['price'], 'date' => $purchase_data['date'], 'user_email' => $purchase_data['user_email'], 'purchase_key' => $purchase_data['purchase_key'], 'currency' => edd_get_currency(), 'downloads' => $purchase_data['downloads'], 'user_info' => $purchase_data['user_info'], 'cart_details' => $purchase_data['cart_details'], 'status' => 'pending');
// Record the pending payment
$payment = edd_insert_payment($payment_data);
// Check payment
if (!$payment) {
// Record the error
edd_record_gateway_error(__('Payment Error', 'edd'), sprintf(__('Payment creation failed before sending buyer to PayPal. Payment data: %s', 'edd'), json_encode($payment_data)), $payment);
// Problems? send back
edd_send_back_to_checkout('?payment-mode=' . $purchase_data['post_data']['edd-gateway']);
} else {
// Only send to PayPal if the pending payment is created successfully
$listener_url = trailingslashit(home_url()) . '?edd-listener=IPN';
// Get the success url
$return_url = add_query_arg('payment-confirmation', 'paypal', get_permalink($edd_options['success_page']));
// Get the complete cart cart_summary
$summary = edd_get_purchase_summary($purchase_data, false);
// Get the PayPal redirect uri
$paypal_redirect = trailingslashit(edd_get_paypal_redirect()) . '?';
// Setup PayPal arguments
$paypal_args = array('cmd' => '_xclick', 'amount' => round($purchase_data['price'] - $purchase_data['tax'], 2), 'business' => $edd_options['paypal_email'], 'item_name' => stripslashes_deep(html_entity_decode(wp_strip_all_tags($summary), ENT_COMPAT, 'UTF-8')), 'email' => $purchase_data['user_email'], 'no_shipping' => '1', 'shipping' => '0', 'no_note' => '1', 'currency_code' => edd_get_currency(), 'item_number' => $purchase_data['purchase_key'], 'charset' => get_bloginfo('charset'), 'custom' => $payment, 'rm' => '2', 'return' => $return_url, 'cancel_return' => edd_get_failed_transaction_uri(), 'notify_url' => $listener_url, 'page_style' => edd_get_paypal_page_style());
if (edd_use_taxes()) {
$paypal_args['tax'] = $purchase_data['tax'];
}
$paypal_args = apply_filters('edd_paypal_redirect_args', $paypal_args, $purchase_data);
// Build query
$paypal_redirect .= http_build_query($paypal_args);
// Get rid of cart contents
edd_empty_cart();
// Redirect to PayPal
wp_redirect($paypal_redirect);
exit;
}
}
/**
* Process PayPal Purchase
*
* @since 1.0
* @param array $purchase_data Purchase Data
* @return void
*/
function edd_process_paypal_purchase($purchase_data)
{
if (!wp_verify_nonce($purchase_data['gateway_nonce'], 'edd-gateway')) {
wp_die(__('Nonce verification has failed', 'edd'), __('Error', 'edd'), array('response' => 403));
}
// Collect payment data
$payment_data = array('price' => $purchase_data['price'], 'date' => $purchase_data['date'], 'user_email' => $purchase_data['user_email'], 'purchase_key' => $purchase_data['purchase_key'], 'currency' => edd_get_currency(), 'downloads' => $purchase_data['downloads'], 'user_info' => $purchase_data['user_info'], 'cart_details' => $purchase_data['cart_details'], 'gateway' => 'paypal', 'status' => !empty($purchase_data['buy_now']) ? 'private' : 'pending');
// Record the pending payment
$payment = edd_insert_payment($payment_data);
// Check payment
if (!$payment) {
// Record the error
edd_record_gateway_error(__('Payment Error', 'edd'), sprintf(__('Payment creation failed before sending buyer to PayPal. Payment data: %s', 'edd'), json_encode($payment_data)), $payment);
// Problems? send back
edd_send_back_to_checkout('?payment-mode=' . $purchase_data['post_data']['edd-gateway']);
} else {
// Only send to PayPal if the pending payment is created successfully
$listener_url = add_query_arg('edd-listener', 'IPN', home_url('index.php'));
// Get the success url
$return_url = add_query_arg(array('payment-confirmation' => 'paypal', 'payment-id' => $payment), get_permalink(edd_get_option('success_page', false)));
// Get the PayPal redirect uri
$paypal_redirect = trailingslashit(edd_get_paypal_redirect()) . '?';
// Setup PayPal arguments
$paypal_args = array('business' => edd_get_option('paypal_email', false), 'email' => $purchase_data['user_email'], 'first_name' => $purchase_data['user_info']['first_name'], 'last_name' => $purchase_data['user_info']['last_name'], 'invoice' => $purchase_data['purchase_key'], 'no_shipping' => '1', 'shipping' => '0', 'no_note' => '1', 'currency_code' => edd_get_currency(), 'charset' => get_bloginfo('charset'), 'custom' => $payment, 'rm' => '2', 'return' => $return_url, 'cancel_return' => edd_get_failed_transaction_uri('?payment-id=' . $payment), 'notify_url' => $listener_url, 'page_style' => edd_get_paypal_page_style(), 'cbt' => get_bloginfo('name'), 'bn' => 'EasyDigitalDownloads_SP');
if (!empty($purchase_data['user_info']['address'])) {
$paypal_args['address1'] = $purchase_data['user_info']['address']['line1'];
$paypal_args['address2'] = $purchase_data['user_info']['address']['line2'];
$paypal_args['city'] = $purchase_data['user_info']['address']['city'];
$paypal_args['country'] = $purchase_data['user_info']['address']['country'];
}
$paypal_extra_args = array('cmd' => '_cart', 'upload' => '1');
$paypal_args = array_merge($paypal_extra_args, $paypal_args);
// Add cart items
$i = 1;
foreach ($purchase_data['cart_details'] as $item) {
$item_amount = round($item['subtotal'] / $item['quantity'] - $item['discount'] / $item['quantity'], 2);
if ($item_amount <= 0) {
$item_amount = 0;
}
$paypal_args['item_name_' . $i] = stripslashes_deep(html_entity_decode(edd_get_cart_item_name($item), ENT_COMPAT, 'UTF-8'));
$paypal_args['quantity_' . $i] = $item['quantity'];
$paypal_args['amount_' . $i] = $item_amount;
if (edd_use_skus()) {
$paypal_args['item_number_' . $i] = edd_get_download_sku($item['id']);
}
$i++;
}
// Calculate discount
$discounted_amount = 0.0;
if (!empty($purchase_data['fees'])) {
$i = empty($i) ? 1 : $i;
foreach ($purchase_data['fees'] as $fee) {
if (floatval($fee['amount']) > '0') {
// this is a positive fee
$paypal_args['item_name_' . $i] = stripslashes_deep(html_entity_decode(wp_strip_all_tags($fee['label']), ENT_COMPAT, 'UTF-8'));
$paypal_args['quantity_' . $i] = '1';
$paypal_args['amount_' . $i] = edd_sanitize_amount($fee['amount']);
$i++;
} else {
// This is a negative fee (discount)
$discounted_amount += abs($fee['amount']);
}
}
}
if ($discounted_amount > '0') {
$paypal_args['discount_amount_cart'] = edd_sanitize_amount($discounted_amount);
}
// Add taxes to the cart
if (edd_use_taxes()) {
$paypal_args['tax_cart'] = edd_sanitize_amount($purchase_data['tax']);
}
$paypal_args = apply_filters('edd_paypal_redirect_args', $paypal_args, $purchase_data);
// Build query
$paypal_redirect .= http_build_query($paypal_args);
// Fix for some sites that encode the entities
$paypal_redirect = str_replace('&', '&', $paypal_redirect);
// Get rid of cart contents
edd_empty_cart();
// Redirect to PayPal
wp_redirect($paypal_redirect);
exit;
}
}