function commerce_stock_form_commerce_cart_validate in Commerce Stock 7.2

Same name and namespace in other branches

1. 7 commerce_stock.module \commerce_stock_form_commerce_cart_validate()

Form validation handler for views_form_commerce_cart_form_default().

Checks each line item to make sure that they have not requested more items than are in stock.

1 string reference to 'commerce_stock_form_commerce_cart_validate'

commerce_stock_form_alter in ./commerce_stock.module

Implements hook_form_alter().

File

./commerce_stock.module, line 218

Commerce Stock module.

Code

function commerce_stock_form_commerce_cart_validate($form, &$form_state) {
  $line_item_index = array_keys($form_state['line_items']);
  if (isset($form_state['input']['edit_quantity'])) {
    $products = array();
    foreach ($form_state['values']['edit_quantity'] as $index => $qty) {
      $line_item = $form_state['line_items'][$line_item_index[$index]];
      $line_item_wrapper = entity_metadata_wrapper('commerce_line_item', $line_item);
      if (in_array($line_item_wrapper
        ->getBundle(), commerce_product_line_item_types())) {
        $product_id = $line_item_wrapper->commerce_product->product_id
          ->value();
        $products[$product_id]['qty'] = isset($products[$product_id]) ? $products[$product_id]['qty'] + $qty : $qty;
        $products[$product_id]['line'] = $index;
      }
    }
    foreach ($products as $product_id => $product) {
      $prod = commerce_product_load($product_id);

      // Check using rules.
      commerce_stock_check_product_checkout_rule($prod, $product['qty'], $stock_state, $message);

      // @todo: TEST and update error structure.
      if ($stock_state == 1) {
        form_set_error('edit_quantity][' . $product['line'], $message);
      }
      elseif ($stock_state == 2) {
        drupal_set_message($message);
      }
    }
  }
}