commerce_platnosci.module

<?php

/**
 *  Blazej Owczarczyk
 *  http://drupal.org/user/353861
 *
 *  Name: commerce platnosci
 *  Description: Drupal commerce platnosci.pl payment method
 */

/**
 * Implements hook_menu().
 *
 * @return array
 */
function commerce_platnosci_menu() {
  $items['checkout/update'] = array(
    'title' => 'Payment',
    'description' => 'Platnosci.pl update page',
    'page callback' => 'commerce_platnosci_payment_update',
    'page arguments' => array(),
    'access arguments' => array('access content'),
    'file' => 'commerce_platnosci.pages.inc',
  );
  return $items;
}

/**
 * Implements hook_commerce_payment_method_info().
 *
 * @return array
 */
function commerce_platnosci_commerce_payment_method_info() {
  $payment_methods = array();

  $payment_methods['commerce_platnosci'] = array(
    'base' => 'commerce_platnosci',
    'title' => t('Płatności.pl'),
    'short_title' => t('Płatności.pl'),
    'description' => t('Płatności.pl offsite payment'),
    'terminal' => FALSE,
    'offsite' => TRUE,
    'active' => TRUE,
  );

  return $payment_methods;
}

/**
 * Payment method's settings form callback.
 *
 * @return array
 */
function commerce_platnosci_settings_form($settings = NULL) {
	$form
  ['pos_id'] = array(
		'#type' => 'textfield',
		'#title' => t('POS ID'),
		'#default_value' => $settings['pos_id'],
		'#description' => t('POS ID assinged by Platności.pl (pos_id)'),);
	$form
  ['pos_auth_key'] = array(
		'#type' => 'textfield',
		'#title' => t('Payment authorization key (pos_auth_key)'),
		'#default_value' => $settings['pos_auth_key'],
		'#description' => t('Payment authorization key assinged by Platności.pl (pos_auth_key)'),);
	$form
  ['key1'] = array(
		'#type' => 'textfield',
		'#title' => t('Primary Key (md5)'),
		'#default_value' => $settings['key1'],
		'#description' => t('md5 Primary Key generated by Płatności.pl'),);
	$form
  ['key2'] = array(
		'#type' => 'textfield',
		'#title' => t('Secondary Key (md5)'),
		'#default_value' => $settings['key2'],
		'#description' => t('md5 Secondary Key generated by Płatności.pl'),);
  $form
  ['desc'] = array(
		'#type' => 'textfield',
		'#title' => t('Payment description'),
		'#default_value' => $settings['desc'],
		'#description' => t('md5 Secondary Key generated by Płatności.pl'),);

  return $form;
}

/**
 * Payment method's checkout pane form.
 */
function commerce_platnosci_submit_form($payment_method, $pane_values, $checkout_pane, $order) {
  $form = array();

  // Merge in values from the order.
  if (!empty($order->data['commerce_platnosci'])) {
    $pane_values += $order->data['commerce_platnosci'];
  }

  // Merge in default values.
  $pane_values += array(
    'first_name' => '',
    'last_name' => '',
    'email' => '',
  );

  $form['first_name'] = array(
    '#type' => 'textfield',
    '#title' => t('First name'),
    '#default_value' => $pane_values['first_name'],
    '#required' => TRUE,
  );
  $form['last_name'] = array(
    '#type' => 'textfield',
    '#title' => t('Last name'),
    '#default_value' => $pane_values['last_name'],
    '#required' => TRUE,
  );
  $form['email'] = array(
    '#type' => 'textfield',
    '#title' => t('Email'),
    '#default_value' => $pane_values['email'],
    '#required' => TRUE,
  );

  return $form;
}

/**
 * Payment method's chechout pane submit handler.
 */
function commerce_platnosci_submit_form_submit($payment_method, $pane_form, $pane_values, $order, $charge) {
  $order->data['commerce_platnosci'] = $pane_values;
}

/**
 * Form with hidden fields needed by gateway. It's submitted to gateway.
 */
function commerce_platnosci_redirect_form($form, &$form_state, $order, $payment_method) {
  // Save data in local variables.
  $settings = $payment_method['settings'];
  $data = $order->data['commerce_platnosci'];
  $charge = $order->commerce_order_total[LANGUAGE_NONE][0];

  // Create a transaction with status 'pending'.
  $trasaction = commerce_payment_create_transaction($payment_method, $order, $charge);

  $form['#action'] = 'https://www.platnosci.pl/paygw/UTF/NewPayment';

  $form['pos_id'] = array(
    '#type' => 'hidden',
    '#value' => $settings['pos_id'],);
  $form['pos_auth_key'] = array(
    '#type' => 'hidden',
    '#value' => $settings['pos_auth_key'],);
  $form['session_id'] = array(
    '#type' => 'hidden',
    '#value' => $order->data['payment_redirect_key'],);
  $form['order_id'] = array(
    '#type' => 'hidden',
    '#value' => $order->order_id,);
  $form['desc'] = array(
    '#type' => 'hidden',
    '#value' => $settings['desc'],);
  $form['desc2'] = array(
    '#type' => 'hidden',
    '#value' => $trasaction->transaction_id,);

  $form['amount'] = array(
    '#type' => 'hidden',
    '#value' => $charge['amount'],);
  $form['first_name'] = array(
    '#type' => 'hidden',
    '#value' => $data['first_name'],);
  $form['last_name'] = array(
    '#type' => 'hidden',
    '#value' => $data['last_name'],);
  $form['email'] = array(
    '#type' => 'hidden',
    '#value' => $data['email'],);
  $form['client_ip'] = array(
    '#type' => 'hidden',
    '#value' => ip_address(),);

  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Proceed to payment'));

  return $form;
}

/**
 * Check if payment process went ok.
 */
function commerce_platnosci_redirect_form_validate($order, $payment_method) {
  if ($_GET['result'] == 'ok') {
    drupal_set_message('Payment is being processed');
    return true;
  } else {
    drupal_set_message('Error processing payment', 'error');
    return false;
  }
}

/**
 * Create a pending transaction.
 */
function commerce_payment_create_transaction($payment_method, $order, $charge) {
  $account = user_load($order->uid);

  $transaction = commerce_payment_transaction_new('commerce_platnosci', $order->order_id);
  $transaction->instance_id = $payment_method['instance_id'];
  $transaction->amount = $charge['amount'];
  $transaction->currency_code = $charge['currency_code'];
  $transaction->status = COMMERCE_PAYMENT_STATUS_PENDING;
  $transaction->message = 'Processing';

  commerce_payment_transaction_save($transaction);

  return $transaction;
}