Veritabanı işlemleri with Symfony

db.php

<?php 

// List games
/**
* @Route("/admin/oyunlar", name="oyunlar")
*/
public function index()
{   
  $games = $this ->.....->findAll();  
  
  return $this->render('admin/game/games.html.twig', [
      'games' => $games,
  ]);
}

// Add to DB
/**
* @Route("/admin/oyunlar/add", name="add-game", methods="GET|POST")
*/
public function addGame(Request $request): Response
{   
       $game = new Games();
        
       $form = ...;
        //Save to DATABASE
        if($form->isSubmitted() && $form->isValid()) {
            $em = this...;
            $em->persist($game);
            $em->flush();
            return $this->redirectToRoute('oyunlar');
        }

}  

// Delete from DB
/**
* @Route("/admin/oyunlar/delete/{id}", name="delete-game", methods="GET|POST")
*/
public function deleteGame(Games $games)
{       
        $em = this...;
        $em->remove($games);
        $em->flush();
        return $this->redirectToRoute('oyunlar');
}

// Update Games
/**
 * @Route("/admin/oyunlar/edit/{id}", name="edit-game", methods="GET|POST")
 */
 public function editGame(Request $request, Games $games): Response
{    
   
    $form = ...;
   
     //Save to DATABASE
    if($form->isSubmitted() && $form->isValid()) {
        $this ->getDoctrine() ->getManager()->flush();
        return $this->redirectToRoute('oyunlar');
    }
    return $this->render('admin/game/edit-game.html.twig', [
        'game'=>$games,
    ]);
}

?>