function commerce_coupon_code_validate_staged in Commerce Coupon 7.2

Form element validate callback: check for existing coupon code in form.

1 string reference to 'commerce_coupon_code_validate_staged'

commerce_coupon_attach_ajax_coupon_entity_form in ./commerce_coupon.module

Attach an ajax coupon entity form to a form or form fragment.

File

./commerce_coupon.module, line 1933

Provides coupon functionality for Drupal Commerce.

Code

function commerce_coupon_code_validate_staged($element, &$form_state) {
  $code = $element['#value'];
  $coupon_form_values = drupal_array_get_nested_value($form_state['values'], array_slice($element['#array_parents'], 0, -1));
  $generate = $coupon_form_values['generate'];
  if (isset($form_state['coupons']) && !$generate) {
    $element_delta = $element['#array_parents'][2];
    foreach ($form_state['coupons'] as $delta => $coupon) {

      // Make sure that this code isn't used in one of the staged coupons.
      if ($code == $coupon->code && $delta != $element_delta) {
        form_set_error(implode('][', $element['#array_parents']), t('The code that you entered already exists.'));
      }
    }
  }
}