PartKeepr\StockBundle\Entity\StockEntry::setUser PHP Méthode

    public function setUser(User $user = null)
    {
        $this->user = $user;
    }

 /**
  * @Routing\Route("/api/parts/massRemoveStock", defaults={"method" = "get","_format" = "json"})
  * @View()
  *
  * @param Request $request
  *
  * @throws \Exception Thrown if parameters are formatted incorrectly
  */
 public function massRemoveStockAction(Request $request)
 {
     $removals = json_decode($request->get('removals'));
     if (!is_array($removals)) {
         throw new \Exception('removals parameter must be an array');
     }
     /**
      * @var IriConverter
      */
     $iriConverter = $this->get('api.iri_converter');
     $user = $this->get('partkeepr.userservice')->getUser();
     foreach ($removals as $removal) {
         if (!property_exists($removal, 'part')) {
             throw new \Exception('Each removal must have the part property defined');
         }
         if (!property_exists($removal, 'amount')) {
             throw new \Exception('Each removal must have the amount property defined');
         }
         /**
          * @var Part
          */
         $part = $iriConverter->getItemFromIri($removal->part);
         $stock = new StockEntry();
         $stock->setStockLevel(0 - intval($removal->amount));
         $stock->setUser($user);
         if (property_exists($removal, 'comment')) {
             $stock->setComment($removal->comment);
         }
         $part->addStockLevel($stock);
     }
     $this->get('doctrine.orm.entity_manager')->flush();
 }