function uc_discounts_js_calculate in Ubercart Discounts (Alternative) 6.2

AJAX callback for discounts calculation.

Calculate discount for an order in the checkout page.

1 string reference to 'uc_discounts_js_calculate'

uc_discounts_menu in uc_discounts/uc_discounts.module

Implementation of hook_menu().

File

uc_discounts/uc_discounts.module, line 648

Code

function uc_discounts_js_calculate() {
  global $user;
  if (!empty($_SESSION["cart_order"])) {
    $order_id = $_SESSION['cart_order'];
    $order = uc_order_load($order_id);

    //If session order exists, use it
    if (is_null($order)) {
      print '{}';
      exit;
    }
  }
  else {
    $order = new stdClass();
    $order->uid = $user->uid;
    $order->products = uc_cart_get_contents();
  }
  $order->uc_discounts_codes = uc_discounts_codes_to_array($_POST['uc-discounts-codes']);
  drupal_alter('uc_discounts_codes', $order, 'js_calculate');
  $line_items = array();
  $errors = array();
  $warnings = array();
  $messages = array();
  $discounts = get_discounts_for_order($order, $errors, $warnings, $messages);
  $i = 0;

  // Session vars get used by conditional action
  $_SESSION['uc_discounts_codes'] = $order->uc_discounts_codes;
  foreach ($discounts as $discount) {
    if ($discount->amount != 0) {
      $line_item = array();
      $line_item["id"] = LINE_ITEM_KEY_NAME . $i++;
      $line_item["type"] = $discount->type;
      $line_item["title"] = $discount->title;
      $line_item["amount"] = -$discount->amount;
      $line_item["weight"] = $discount->weight;
      $line_items[] = $line_item;
    }
  }
  if (!empty($warnings)) {
    $warnings2 = array();
    foreach ($warnings as $warning) {
      $warnings2[] = t('Warning: @warning', array(
        '@warning' => $warning,
      ));
    }
    $errors = array_merge($errors, $warnings2);
  }
  $calculate_discount_response = array(
    CALCULATE_DISCOUNT_RESPONSE_LINE_ITEMS_KEY => $line_items,
    CALCULATE_DISCOUNT_RESPONSE_ERRORS_KEY => $errors,
    CALCULATE_DISCOUNT_RESPONSE_MESSAGES_KEY => $messages,
  );
  drupal_json($calculate_discount_response);
  exit;
}