/**
* @return Payment_Model_DbTable_Orders
*/
public static function getInstance()
{
if (is_null(self::$_instance)) {
self::$_instance = new self();
}
return self::$_instance;
}
public function handlePayment($data)
{
if (array_key_exists('test_ipn', $data) && 1 === (int) $data['test_ipn']) {
$url = 'https://www.sandbox.paypal.com/cgi-bin/webscr';
} else {
$url = 'https://www.paypal.com/cgi-bin/webscr';
}
$req = 'cmd=_notify-validate';
//collect the variables sent by PayPal
foreach ($data as $key => $value) {
$value = urlencode(stripslashes($value));
$req .= "&{$key}={$value}";
}
list($status, $response) = $this->curlPost($url, $req);
if ($status == 200 && $response == 'VERIFIED') {
try {
if (!isset($data['mc_gross']) || !isset($data['txn_id'])) {
throw new Exception('Payment_Manager::handlePayment() either mc_gross or txn_id is empty');
}
// get list of payment items
// calculate price to be paid
$items = array();
$price_to_be_paid = 0.0;
foreach ($data as $key => $value) {
if (preg_match('/^item_number/', $key)) {
$item = $this->getHandlerByCode($value);
if (!empty($item)) {
$items[] = $item;
$price_to_be_paid += $item->getItemPrice();
}
}
}
if ($data['mc_gross'] < $price_to_be_paid) {
throw new Exception('Payment_Manager::handlePayment() total payment (' . $data['mc_gross'] . ') is less than price to be paid (' . $price_to_be_paid . ')');
}
// all good! proceed...
$orderModel = Payment_Model_DbTable_Orders::getInstance();
$id_order = $orderModel->createOrderFromParams($data, $items);
} catch (Exception $ex) {
file_put_contents('payment-error.log', json_encode($ex) . PHP_EOL, FILE_APPEND);
}
} else {
// not good. ignore, or log for investigation...
file_put_contents('payment-error.log', json_encode($data) . PHP_EOL, FILE_APPEND);
}
}
