function commerce_coupon_commerce_coupon_can_delete in Commerce Coupon 7

Implements commerce_coupon_can_delete().

File

./commerce_coupon.module, line 756

Coupon System for Drupal Commerce.

Code

function commerce_coupon_commerce_coupon_can_delete($coupon) {

  // Use EntityFieldQuery to look for orders referencing this coupon and don't
  // allow the delete to occur if one exists.
  $query = new EntityFieldQuery();
  $query
    ->entityCondition('entity_type', 'commerce_order', '=')
    ->fieldCondition('commerce_coupon_order_reference', 'target_id', $coupon->coupon_id, '=')
    ->count();
  return $query
    ->execute() == 0;
}