Clear Example

A clear example of how to create a payment and display a widget in PHP

$lunu_processing_version = 'alpha'; // prod server
$lunu_widget_version = 'alpha'; // prod widget


$app_id = '149ec6da-f0dc-4cdf-9fb3-8ba2dc602f60';
$api_secret = '23d93cac-000f-5000-8000-126728f15140';

$auth_token = base64_encode($app_id . ':' . $api_secret);

$order_id = '23925343';
$order_amount = '100.00';
$amount_of_shipping = '15.00';
$payment_description = 'YOUR DESCRIPTION';

$customer_email = '[email protected]';

// Idempotence-Key must be unique for each query
$idempotence_key = 'example_' . time() . '_' . $order_id;

$lunu_pay_url_create = 'https://' . $lunu_processing_version . '.lunu.io/api/v1/payments/create';

$ch = curl_init($lunu_pay_url_create);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(array(
    'shop_order_id' => $order_id, // Optional field

	// callback url on payment status change
	'callback_url' => 'https://your.site/lunu-pay/api.php?method=notify&order_id=' . $order_id,

	// Optional field for an email so that refunds to the customer are available
	'email' => $customer_email,

	'amount' => $order_amount,
    'amount_of_shipping' => $amount_of_shipping, // Optional field

	'description' => $payment_description,
	'expires' => date("c", time() + 3600) // expires through one minute

)));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	'Authorization: Basic ' . $auth_token,
	'Idempotence-Key: ' . $idempotence_key,
	'Content-Type: application/json'
));

$responseBody = curl_exec($ch);
$responseHttpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);


if ($responseHttpCode !== 200) {
	echo "Response code is invalid<br/>";
	var_dump(array(
		'url' => $lunu_pay_url_create,
		'code' => $responseHttpCode,
		'body' => $responseBody
	));
	exit;
}

$data = json_decode($responseBody, true);

if (!is_array($data)) {
	echo "Response body is invalid<br/>";
	var_dump(array(
		'url' => $lunu_pay_url_create,
		'code' => $responseHttpCode,
		'body' => $responseBody
	));
	exit;
}

if (is_array($data['error'])) {
	echo "Processing error:<br/>";
	var_dump(array(
		'url' => $lunu_pay_url_create,
		'code' => $responseHttpCode,
		'body' => $responseBody,
		'error' => $data['error'],
	));
	exit;
}

if (!is_array($data['response'])) {
	echo "Response is empty<br/>";
	var_dump(array(
		'url' => $lunu_pay_url_create,
		'code' => $responseHttpCode,
		'body' => $responseBody
	));
	exit;
}

$response = $data['response'];

$confirmation_token = $response['confirmation_token'];

if (empty($confirmation_token)) {
	echo "confirmation_token is empty<br/>";
	var_dump(array(
		'url' => $lunu_pay_url_create,
		'code' => $responseHttpCode,
		'body' => $responseBody
	));
	exit;
}


$success_url = 'https://your.site/thanks';
$cancel_url = 'https://your.site/order-cancel';

echo "
<!--HTML element that will display the payment form-->
<div id=\"payment-form\"></div><br><br>
<script>
(function(d, t) {
  var n = d.getElementsByTagName(t)[0], s = d.createElement(t);
  s.type = 'text/javascript';
  s.charset = 'utf-8';
  s.async = true;
  s.src = 'https://plugins.lunu.io/packages/widget-ui/" . $lunu_widget_version . ".js?t=' + 1 * new Date();
  s.onload = function() {
    new window.Lunu.widgets.Payment(
      d.getElementById('payment-form'),
      {
        overlay: true,
        confirmation_token: '" . $confirmation_token . "',
        // Token that must be received from the Processing Service before making a payment
        // Required parameter

        callbacks: {
          init_error: function(error) {
            // Handling initialization errors
          },
          init_success: function() {
            // Handling a Successful Initialization
          },
          payment_paid: function(params) {
            // Handling a successful payment event
            var handleSuccess = window.LUNU_PAYMENT_SUCCESS_CALLBACK;
            handleSuccess && handleSuccess(params);
            " . (empty($success_url) ? "" : "window.location.href = '" . $success_url . "';") . "
          },
          payment_cancel: function() {
            // Handling a payment cancellation event
            var handleCancel = window.LUNU_PAYMENT_CANCEL_CALLBACK;
            handleCancel && handleCancel();
            " . (empty($cancel_url) ? "" : "window.location.href = '" . $cancel_url . "';") . "
          },
          payment_close: function() {
            // Handling the event of closing the widget window
          }
        }
      }
    );
  };
  n.parentNode.insertBefore(s, n);
})(document, 'script');
</script>";

/*
header('Location: ' . 'https://widget.lunu.io/' . $lunu_widget_version . '/#/?' . http_build_query(array(
  'action' => 'select',
  'token' => $confirmation_token,
  'success' => $success_url,
  'cancel' => $cancel_url,
  'enableLunuGift' => $lunu_widget_version === 'beta'
)));
*/