use foreign transaction rate for amex cards

booking.stripe.inc

@@ -34,12 +34,12 @@ function _booking_get_stripe_private_key() {
 /**
  * Helper function to generate paypal form for payments
  */
-function _booking_stripe_form($person, $invoiceid, $amount_owing, $button_text) {
+function _booking_stripe_form($person, $invoiceid, $net_amount_owing, $button_text) {
   $payment_form = drupal_get_form('booking_stripe_form', $person, $invoiceid, $amount_owing, $button_text);
   return drupal_render($payment_form);
 }
 
-function booking_stripe_form($node, &$form_state, $person, $invoiceid, $amount_owing, $button_text) {
+function booking_stripe_form($node, &$form_state, $person, $invoiceid, $net_amount_owing, $button_text) {
   global $event;
   $settings = array();
   $form = array();
@@ -51,7 +51,7 @@ function booking_stripe_form($node, &$form_state, $person, $invoiceid, $amount_o
   $setting['booking_stripe'] = array(
     'pubkey' => _booking_get_stripe_public_key(),
     'form_selector' => str_replace('_', '-', __FUNCTION__),
-    'name' => 'Study Week',
+    'name' => $event->booking_eventname,
     'image' => '',
   );
   //attach settings and javascript to the form
@@ -63,38 +63,27 @@ function booking_stripe_form($node, &$form_state, $person, $invoiceid, $amount_o
       array('booking', 'booking-stripe'),
     ),
   );
-  
 
   //paypal specific settings
   $vars = array(
-    'module' => 'Booking System',
-    'type' => $event->booking_eventname,
     'nid' => $person->nid,
     'email' => $person->booking_email,
     'description' => $event->booking_eventname . ' ' . $person->booking_price_descrip,
     'invoice' => $invoiceid,
-    'amount' => $amount_owing,
+    'amount' => $net_amount_owing,
+    'gross_amount' => _booking_add_stripe_fees($net_amount_owing, $person->booking_country),
+    'foreign_gross_amount' => _booking_add_stripe_fees($net_amount_owing, 'FakeCountry'),
     'last_name' => $person->booking_lastname,
     'first_name' => $person->booking_firstname,
     'uuid' => $person->booking_tempid,
     'token_id' => '',
-    'token_email' => ''
+    'token_email' => '',
+    'token_client_ip' => '',
+    'card_brand' => '',
+    'card_cvc_check' => '',
+    'card_address_zip_check' => '',
   );
 
-  /*
-  $form['#id'] = 'booking_stripe_form';
-  $form['#attached']['js'] = array(
-    array(
-      'data' => 'https://checkout.stripe.com/checkout.js',
-      'type' => 'external',
-    ),
-    array(
-      'data' => drupal_get_path('module', 'booking') . '/booking.stripe.js',
-      'type' => 'file',
-    ),
-  );
-  */
-
   //turn the array into a form
   foreach($vars as $name => $value) {
     $form[$name] = array(
@@ -139,19 +128,19 @@ function booking_stripe_checkout_form_validate($form, &$form_state) {
  */
 function booking_stripe_validate_form_payment($form, &$form_state) {
   global $event;
+
   if($errors = form_get_errors()) {
+    //@todo log an error via watchdog
     return;
   }
 
   $path = libraries_get_path('stripe');
   require_once($path . '/init.php');
-
   \Stripe\Stripe::setApiKey(_booking_get_stripe_private_key());
-  //$token = $form_state['values']['stripeToken'];
-  //$amount = $form_state['values']['amount'] * 100;
+
   //get values from original form
   $token = (isset($form_state['input']['token_id']) ? $form_state['input']['token_id'] : '');
-  $amount = (isset($form_state['input']['amount']) ? $form_state['input']['amount'] : '');
+  $amount = (isset($form_state['input']['gross_amount']) ? $form_state['input']['gross_amount'] : '');
   $invoice = (isset($form_state['input']['invoice']) ? $form_state['input']['invoice'] : '');
   $nid = (isset($form_state['input']['nid']) ? $form_state['input']['nid'] : '');
   $tempid= (isset($form_state['input']['uuid']) ? $form_state['input']['uuid'] : '');
@@ -159,6 +148,16 @@ function booking_stripe_validate_form_payment($form, &$form_state) {
   $first_name = (isset($form_state['input']['first_name']) ? $form_state['input']['first_name'] : '');
   watchdog('booking_debug', "<pre>Stripe token:\n@info</pre>", array('@info' => print_r( $token, true)));
 
+  //if card type is american express then the rate charged should be different
+  $card_type = (isset($form_state['input']['card_brand']) ? $form_state['input']['card_brand'] : '');
+  if ($card_type == 'American Express') {
+    //amount charged should be the international rate not the domestic rate
+    //@todo verify that nid is correct format
+    //@todo debug log to indicate price change
+    $person = node_load($nid);
+    $amount = (isset($form_state['input']['foreign_gross_amount']) ? $form_state['input']['foreign_gross_amount'] : $amount);
+  }
+
   // Create the charge on Stripe's servers - this will charge the user's card
   try {
     $charge = \Stripe\Charge::create(array(