function _commerce_webform_cart_validate in Commerce Webform 7

Same name and namespace in other branches

1. 8 commerce_webform.module \_commerce_webform_cart_validate()
2. 7.2 commerce_webform.module \_commerce_webform_cart_validate()

Commerce cart validation function. If there are commerce_webform elements in the cart, check if any have a variable quantity but are required and remove all webform items if the quantity was set to 0.

1 string reference to '_commerce_webform_cart_validate'

commerce_webform_form_views_form_commerce_cart_form_default_alter in ./commerce_webform.module

Implements hook_form_FORM_ID_alter(). Modify the cart modification form.

File

./commerce_webform.module, line 621

Commerce Webform module file

Code

function _commerce_webform_cart_validate(&$form, &$form_state) {
  foreach (element_children($form['edit_quantity']) as $id) {
    if ($form_state['values']['edit_quantity'][$id] < 1) {

      // If the quantity has been reduced to 0,
      // check if this is a required commerce_webform line item.
      $line_item_id = $form['edit_quantity'][$id]['#line_item_id'];
      $line_item = commerce_line_item_load($line_item_id);
      if ($line_item->type == 'commerce_webform' && $line_item->data['commerce_webform']['required']) {
        $sid = entity_metadata_wrapper('commerce_line_item', $line_item)->commerce_webform_sid
          ->value();
        if ($sid > 0) {
          _commerce_webform_remove_line_items_from_cart_form_by_sid($form, $form_state, $sid);
        }
      }
    }
  }
}