function commerce_gc_submit_order_form_giftcard_transactions in Commerce GC 7

1 string reference to 'commerce_gc_submit_order_form_giftcard_transactions'

commerce_gc_form_commerce_order_ui_order_form_alter in ./commerce_gc.module

File

./commerce_gc.module, line 908

Provides Giftcard coupon bundle, Giftcard Transaction entity and basic user interface elements.

Code

function commerce_gc_submit_order_form_giftcard_transactions(&$form, &$form_state) {
  $order = $form_state['commerce_order'];
  $order_wrapper = entity_metadata_wrapper('commerce_order', $order);
  $save = FALSE;
  foreach ($order_wrapper->commerce_line_items as $line_item_wrapper) {
    if ($line_item_wrapper->type
      ->value() == 'giftcard_use') {

      // Remember which giftcards are still present.
      $coupon_id = $line_item_wrapper->commerce_giftcard->coupon_id
        ->value();
      $existing_coupon_ids[$coupon_id] = TRUE;

      // Compute the amount that should be written for this transaction by using
      // the original value as an offset.
      $unit_price_amount = $line_item_wrapper->commerce_unit_price->amount
        ->value();
      if (isset($form_state['original_gc_line_items'][$coupon_id]['amount'])) {
        $offset_amount = $form_state['original_gc_line_items'][$coupon_id]['amount'];
        $transaction_amount = -($offset_amount - $unit_price_amount);
      }
      else {
        $transaction_amount = $unit_price_amount;
      }

      // As long as the order is not a shopping cart, record a transaction.
      // Shopping cart orders go through a separate refresh process and do not
      // create transactions for their giftcard use line items until checkout is
      // complete.
      if ($transaction_amount && !commerce_cart_order_is_cart($order)) {
        commerce_gc_transaction_write($coupon_id, $transaction_amount);
      }

      // Add the coupon to the order if it is not there already.
      if (!in_array($coupon_id, $order_wrapper->commerce_coupons
        ->raw())) {
        $order_wrapper->commerce_coupons[] = $coupon_id;
        $save = TRUE;
      }
    }
  }
  $remove_coupon_ids = array();

  // Handle giftcard line items that have been removed.
  foreach ($form_state['original_gc_line_items'] as $coupon_id => $original_line_item_data) {
    if (!isset($existing_coupon_ids[$coupon_id])) {

      // Create a transaction to reverse the missing line item's total, unless
      // the line item was never associated with a transaction.
      if (!commerce_cart_order_is_cart($order)) {
        commerce_gc_transaction_write($coupon_id, -$original_line_item_data['amount']);
      }
      $remove_coupon_ids[] = $coupon_id;
    }
  }

  // Remove giftcard coupon from order if giftcard's related line item was
  // removed.
  foreach ($order_wrapper->commerce_coupons
    ->raw() as $delta => $coupon_id) {
    if (in_array($coupon_id, $remove_coupon_ids)) {
      $order_wrapper->commerce_coupons
        ->offsetUnset($delta);
      $save = TRUE;
    }
  }
  if ($save) {
    commerce_order_save($order);
  }
}