/**
* Send the Express Checkout NVP request
*
* @param $form_id
* @throws Exception
*/
public function send_EC_Request($form_id)
{
if (!session_id()) {
@session_start();
}
if (!count($this->products)) {
throw new Exception('Products not found!');
}
$total = 0;
// create the data to send on PayPal
$data = '&SOLUTIONTYPE=' . 'Sole' . '&PAYMENTREQUEST_0_PAYMENTACTION=' . 'Sale' . '&PAYMENTREQUEST_0_CURRENCYCODE=' . urlencode(get_option('ab_paypal_currency')) . '&RETURNURL=' . urlencode(add_query_arg(array('action' => 'ab-paypal-returnurl', 'ab_fid' => $form_id), AB_Utils::getCurrentPageURL())) . '&CANCELURL=' . urlencode(add_query_arg(array('action' => 'ab-paypal-cancelurl', 'ab_fid' => $form_id), AB_Utils::getCurrentPageURL()));
foreach ($this->products as $k => $product) {
$data .= "&L_PAYMENTREQUEST_0_NAME{$k}=" . urlencode($product->name) . "&L_PAYMENTREQUEST_0_DESC{$k}=" . urlencode($product->desc) . "&L_PAYMENTREQUEST_0_AMT{$k}=" . urlencode($product->price) . "&L_PAYMENTREQUEST_0_QTY{$k}=" . urlencode($product->qty);
$total += $product->qty * $product->price;
}
$data .= "&PAYMENTREQUEST_0_AMT=" . urlencode($total) . "&PAYMENTREQUEST_0_ITEMAMT=" . urlencode($total);
// send the request to PayPal
$response = self::sendNvpRequest('SetExpressCheckout', $data);
//Respond according to message we receive from Paypal
if ("SUCCESS" == strtoupper($response["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($response["ACK"])) {
$_SESSION['bookly'][$form_id]['paypal_response'] = array($response, $form_id);
$paypalurl = 'https://www' . get_option('ab_paypal_ec_mode') . '.paypal.com/cgi-bin/webscr?cmd=_express-checkout&useraction=commit&token=' . urldecode($response["TOKEN"]);
header('Location: ' . $paypalurl);
exit;
} else {
header('Location: ' . wp_sanitize_redirect(add_query_arg(array('action' => 'ab-paypal-errorurl', 'ab_fid' => $form_id, 'error_msg' => $response["L_LONGMESSAGE0"]), AB_Utils::getCurrentPageURL())));
exit;
}
}
/**
* Process the Express Checkout RETURNURL
*/
public function paypalResponseSuccess()
{
$form_id = $_GET['ab_fid'];
$paypal = new AB_PayPal();
if (isset($_GET["token"]) && isset($_GET["PayerID"])) {
$token = $_GET["token"];
$payer_id = $_GET["PayerID"];
// send the request to PayPal
$response = $paypal->sendNvpRequest('GetExpressCheckoutDetails', sprintf('&TOKEN=%s', $token));
if (strtoupper($response["ACK"]) == "SUCCESS") {
$data = sprintf('&TOKEN=%s&PAYERID=%s&PAYMENTREQUEST_0_PAYMENTACTION=Sale', $token, $payer_id);
// response keys containing useful data to send via DoExpressCheckoutPayment operation
$response_data_keys_pattern = sprintf('/^(%s)/', implode('|', array('PAYMENTREQUEST_0_AMT', 'PAYMENTREQUEST_0_ITEMAMT', 'PAYMENTREQUEST_0_CURRENCYCODE', 'L_PAYMENTREQUEST_0')));
foreach ($response as $key => $value) {
// collect product data from response using defined response keys
if (preg_match($response_data_keys_pattern, $key)) {
$data .= sprintf('&%s=%s', $key, $value);
}
}
//We need to execute the "DoExpressCheckoutPayment" at this point to Receive payment from user.
$response = $paypal->sendNvpRequest('DoExpressCheckoutPayment', $data);
if ("SUCCESS" == strtoupper($response["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($response["ACK"])) {
// get transaction info
$response = $paypal->sendNvpRequest('GetTransactionDetails', "&TRANSACTIONID=" . urlencode($response["PAYMENTINFO_0_TRANSACTIONID"]));
if ("SUCCESS" == strtoupper($response["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($response["ACK"])) {
// need session to get Total and Token
$token = $_SESSION['bookly'][$form_id]['paypal_response'][0]['TOKEN'];
$userData = new AB_UserBookingData($form_id);
$userData->load();
if ($userData->get('service_id')) {
$appointment = $userData->save();
$customer_appointment = new AB_CustomerAppointment();
$customer_appointment->loadBy(array('appointment_id' => $appointment->get('id'), 'customer_id' => $userData->getCustomerId()));
$payment = new AB_Payment();
$payment->set('token', urldecode($token));
$payment->set('total', $userData->getFinalServicePrice() * $userData->get('number_of_persons'));
$payment->set('customer_appointment_id', $customer_appointment->get('id'));
$payment->set('transaction', urlencode($response["TRANSACTIONID"]));
$payment->set('created', current_time('mysql'));
$payment->save();
$userData->setPayPalStatus('success');
}
@wp_redirect(remove_query_arg(array('action', 'token', 'PayerID', 'ab_fid'), AB_Utils::getCurrentPageURL()));
exit(0);
} else {
header('Location: ' . wp_sanitize_redirect(add_query_arg(array('action' => 'ab-paypal-errorurl', 'ab_fid' => $form_id, 'error_msg' => $response["L_LONGMESSAGE0"]), AB_Utils::getCurrentPageURL())));
exit;
}
} else {
header('Location: ' . wp_sanitize_redirect(add_query_arg(array('action' => 'ab-paypal-errorurl', 'ab_fid' => $form_id, 'error_msg' => $response["L_LONGMESSAGE0"]), AB_Utils::getCurrentPageURL())));
exit;
}
} else {
header('Location: ' . wp_sanitize_redirect(add_query_arg(array('action' => 'ab-paypal-errorurl', 'ab_fid' => $form_id, 'error_msg' => 'Invalid token provided'), AB_Utils::getCurrentPageURL())));
exit;
}
} else {
throw new Exception('Token parameter not found!');
}
}
