function commerce_mollie_redirect_form in Commerce Mollie 7

Implements hook_commerce_redirect_form().

Returns the form that is submitted to Mollie.

File

./commerce_mollie.module, line 171

Code

function commerce_mollie_redirect_form($form, &$form_state, $order, $payment_method) {

  // Get amount (in cents) and the currency code.
  $wrapper = entity_metadata_wrapper('commerce_order', $order);
  $amount = $wrapper->commerce_order_total->amount
    ->value();
  $currency_code = $wrapper->commerce_order_total->currency_code
    ->value();

  // Order description which will be submitted to Mollie.
  $payment_description = t("Order @order_id - @site_name", array(
    '@order_id' => $order->order_number,
    '@site_name' => variable_get('site_name', ''),
  ));

  // Create a new payment transaction for this order  and set the status to pending.
  $transaction = commerce_payment_transaction_new('commerce_mollie', $order->order_id);
  $transaction->instance_id = $payment_method['instance_id'];
  $transaction->amount = $amount;
  $transaction->status = COMMERCE_PAYMENT_STATUS_PENDING;
  $transaction->currency_code = $currency_code;

  // Save payment transaction (needed because we send the transaction ID to Mollie as metadata.
  commerce_payment_transaction_save($transaction);

  // The url of the page the customer should be returned back to by Mollie.
  $redirect_url = url('checkout/' . $order->order_id . '/payment/response/' . $order->data['payment_redirect_key'], array(
    'absolute' => TRUE,
  ));

  // The webhook url Mollie should callback to update the transaction status.
  $webhook_url = url('commerce_mollie/webhook', array(
    'absolute' => TRUE,
  ));
  try {
    $mollie = new Mollie_API_Client();
    $mollie
      ->setApiKey($payment_method['settings']['commerce_mollie_test_mode'] ? $payment_method['settings']['commerce_mollie_api_key_test'] : $payment_method['settings']['commerce_mollie_api_key_live']);
    $payment = $mollie->payments
      ->create(array(
      "amount" => commerce_currency_amount_to_decimal($amount, $currency_code),
      "description" => $payment_description,
      "redirectUrl" => $redirect_url,
      "webhookUrl" => $webhook_url,
      "metadata" => array(
        "order_id" => $order->order_id,
        "transaction_id" => $transaction->transaction_id,
        "currency_code" => $currency_code,
      ),
    ));

    // Store the Mollie payment ID.
    $transaction->remote_id = $payment->id;

    // Save payment transaction.
    commerce_payment_transaction_save($transaction);

    // Set redirect url.
    $form['#action'] = $payment
      ->getPaymentUrl();
    $form['mollie_information'] = array(
      '#markup' => '<p class="commerce-mollie-info">' . t($payment_method['settings']['commerce_mollie_redirect_page_text']) . '</p>',
    );
    $form['submit'] = array(
      '#type' => 'submit',
      '#value' => t($payment_method['settings']['commerce_mollie_redirect_page_button_text']),
    );
  } catch (Mollie_API_Exception $e) {
    watchdog('commerce_mollie', 'Could not create a Mollie payment. Error: %error', array(
      '%error' => htmlspecialchars($e
        ->getMessage()),
    ), WATCHDOG_ERROR);
    drupal_set_message(t('An error occured while preparing your Mollie payment. Please try again or contact the webmaster.'), 'error');
    drupal_goto('cart/checkout');
  }
  return $form;
}