/**
* Check for valid paytm server callback // response processing //
**/
function check_paytm_response()
{
global $woocommerce;
if (isset($_POST['ORDERID']) && isset($_POST['RESPCODE'])) {
$order_sent = $_POST['ORDERID'];
$responseDescription = $_POST['RESPMSG'];
if (version_compare(WOOCOMMERCE_VERSION, '2.0.0', '>=')) {
$order = new WC_Order($_POST['ORDERID']);
} else {
$order = new woocommerce_order($_POST['ORDERID']);
}
if ($this->log == "yes") {
error_log("Response Code = " . $_POST['RESPCODE']);
}
$redirect_url = $this->redirect_page_id == "" || $this->redirect_page_id == 0 ? get_site_url() . "/" : get_permalink($this->redirect_page_id);
$this->msg['class'] = 'error';
$this->msg['message'] = "Thank you for shopping with us. However, the transaction has been Failed For Reason : " . $responseDescription;
if ($_POST['RESPCODE'] == 01) {
// success
$order_amount = $order->order_total;
if ($_POST['TXNAMOUNT'] == $order_amount) {
if ($this->log == "yes") {
error_log("amount matched");
}
// code by paytm team
$order_sent = $_POST['ORDERID'];
$res_code = $_POST['RESPCODE'];
$responseDescription = $_POST['RESPMSG'];
$checksum_recv = $_POST['CHECKSUMHASH'];
$paramList = $_POST;
$order_amount = $_POST['TXNAMOUNT'];
// code by paytm team
$all = $paramList;
if ($this->log == "yes") {
error_log("received parameters = " . $all);
}
$bool = "FALSE";
$bool = verifychecksum_e($paramList, $this->secret_key, $checksum_recv);
//$newcheck = Checksum::calculateChecksum($this->secret_key, $all);
if ($this->log == "yes") {
error_log("calculated checksum = " . $newch . " and checksum received = " . $_POST['CHECKSUMHASH']);
}
if ($bool == "TRUE") {
if ($order->status !== 'completed') {
error_log("SUCCESS");
$this->msg['message'] = "Thank you for your order . Your transaction has been successful.";
$this->msg['class'] = 'success';
if ($order->status == 'processing') {
} else {
$order->payment_complete();
$order->add_order_note('Mobile Wallet payment successful');
$order->add_order_note($this->msg['message']);
$woocommerce->cart->empty_cart();
}
}
} else {
// server to server failed while call//
//error_log("api process failed");
$this->msg['class'] = 'error';
$this->msg['message'] = "Severe Error Occur.";
$order->update_status('failed');
$order->add_order_note('Failed');
$order->add_order_note($this->msg['message']);
}
} else {
// Order mismatch occur //
//error_log("order mismatch");
$this->msg['class'] = 'error';
$this->msg['message'] = "Order Mismatch Occur";
$order->update_status('failed');
$order->add_order_note('Failed');
$order->add_order_note($this->msg['message']);
}
} else {
$order->update_status('failed');
$order->add_order_note('Failed');
$order->add_order_note($responseDescription);
$order->add_order_note($this->msg['message']);
}
add_action('the_content', array(&$this, 'paytmShowMessage'));
$redirect_url = $this->redirect_page_id == "" || $this->redirect_page_id == 0 ? get_site_url() . "/" : get_permalink($this->redirect_page_id);
//For wooCoomerce 2.0
$redirect_url = add_query_arg(array('msg' => urlencode($this->msg['message']), 'type' => $this->msg['class']), $redirect_url);
wp_redirect($redirect_url);
exit;
}
}
/**
* Successful Payment!
**/
function successful_request($posted)
{
// Custom holds post ID
if (!empty($posted['custom']) && !empty($posted['invoice'])) {
$order = new woocommerce_order((int) $posted['custom']);
if ($order->order_key !== $posted['invoice']) {
exit;
}
// Sandbox fix
if ($posted['test_ipn'] == 1 && $posted['payment_status'] == 'Pending') {
$posted['payment_status'] = 'completed';
}
// We are here so lets check status and do actions
switch (strtolower($posted['payment_status'])) {
case 'completed':
// Check order not already completed
if ($order->status == 'completed') {
exit;
}
// Check valid txn_type
$accepted_types = array('cart', 'instant', 'express_checkout', 'web_accept', 'masspay', 'send_money');
if (!in_array(strtolower($posted['txn_type']), $accepted_types)) {
exit;
}
// Payment completed
$order->add_order_note(__('IPN payment completed', 'woothemes'));
$order->payment_complete();
// Store PP Details
update_post_meta((int) $posted['custom'], 'Payer PayPal address', $posted['payer_email']);
update_post_meta((int) $posted['custom'], 'Transaction ID', $posted['txn_id']);
update_post_meta((int) $posted['custom'], 'Payer first name', $posted['first_name']);
update_post_meta((int) $posted['custom'], 'Payer last name', $posted['last_name']);
update_post_meta((int) $posted['custom'], 'Payment type', $posted['payment_type']);
break;
case 'denied':
case 'expired':
case 'failed':
case 'voided':
// Order failed
$order->update_status('failed', sprintf(__('Payment %s via IPN.', 'woothemes'), strtolower($posted['payment_status'])));
break;
case "refunded":
case "reversed":
case "chargeback":
// Mark order as refunded
$order->update_status('refunded', sprintf(__('Payment %s via IPN.', 'woothemes'), strtolower($posted['payment_status'])));
$message = woocommerce_mail_template(__('Order refunded/reversed', 'woothemes'), sprintf(__('Order #%s has been marked as refunded - PayPal reason code: %s', 'woothemes'), $order->id, $posted['reason_code']));
// Send the mail
woocommerce_mail(get_option('woocommerce_new_order_email_recipient'), sprintf(__('Payment for order #%s refunded/reversed', 'woothemes'), $order->id), $message);
break;
default:
// No action
break;
}
exit;
}
}
