custom/plugins/WbmTagManagerAnalytics/src/Utility/SessionUtility.php line 18

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  1. <?php
  3. namespace Wbm\TagManagerAnalytics\Utility;
  5. use Symfony\Component\HttpFoundation\Session\SessionInterface;
  7. class SessionUtility
  8. {
  9.     public const ATTRIBUTE_NAME = 'wbm-stored-datalayer';
  11.     public const UPDATE_FLAG = 'wbm-stored-shouldUpdate';
  13.     public const ADDCART_UPDATEFLAG_VALUE = 'cartaddprice';
  14.     public const ADDCART_CART_ITEMS = 'wbm-stored-addCart-addedCartItems';
  16.     public static function injectSessionVars(array $dataLayers, SessionInterface $session): array
  17.     {
  18.         if (!$session->has(self::UPDATE_FLAG)) {
  19.             return $dataLayers;
  20.         }
  22.         if ($session->get(self::UPDATE_FLAG) === self::ADDCART_UPDATEFLAG_VALUE) {
  23.             try {
  24.                 $lineItems = $session->get(self::ADDCART_CART_ITEMS);
  25.                 foreach ($dataLayers as $key => $dataLayer) {
  26.                     $dataLayer = json_decode($dataLayer, true, 512, JSON_THROW_ON_ERROR);
  27.                     if (empty($dataLayer)) {
  28.                         continue;
  29.                     }
  31.                     $conversion = 0;
  32.                     foreach ($dataLayer['ecommerce']['items'] as $itemKey => $product) {
  33.                         $lineItemValue = $lineItems[$product['item_id']];
  34.                         $product['price'] = $lineItemValue;
  35.                         $conversion += $lineItemValue * $product['quantity'];
  37.                         $dataLayer['ecommerce']['items'][$itemKey] = $product;
  38.                     }
  39.                     $dataLayer['ecommerce']['value'] = $conversion;
  40.                     $dataLayer = json_encode($dataLayer, JSON_THROW_ON_ERROR);
  42.                     $dataLayers[$key] = $dataLayer;
  43.                 }
  44.             } catch (\Throwable $t) {
  45.                 // just to make sure session vars are removed on error
  46.             }
  47.             $session->remove(self::UPDATE_FLAG);
  48.             $session->remove(self::ADDCART_CART_ITEMS);
  49.         }
  51.         return $dataLayers;
  52.     }
  53. }