function commerce_discount_form_validate in Commerce Discount 7

Form API validation callback for the type form.

File

includes/commerce_discount.admin.inc, line 368

Commerce discount editing UI.

Code

function commerce_discount_form_validate($form, &$form_state) {
  field_attach_form_validate('commerce_discount', $form_state['commerce_discount'], $form['commerce_discount_fields'], $form_state);
  if (!empty($form_state['values']['name'])) {
    form_set_value($form['name'], 'discount_' . $form_state['values']['name'], $form_state);
  }

  // Check if this is a percentage offer.
  if (isset($form_state['values']['commerce_discount_fields']['commerce_discount_offer'][LANGUAGE_NONE]['form']['commerce_percentage'])) {
    $percentage = $form_state['values']['commerce_discount_fields']['commerce_discount_offer'][LANGUAGE_NONE]['form']['commerce_percentage'][LANGUAGE_NONE][0]['value'];
    if (!empty($percentage) && $percentage <= 0) {
      form_set_error('commerce_discount_fields][commerce_discount_offer][' . LANGUAGE_NONE . '][form][commerce_percentage', t('Percentage should be a positive, non-zero number.'));
    }
  }
}