BoShurik

public function getUser($credentials, UserProviderInterface $userProvider)
{
    return new User();
}

ContextListener manages the SecurityContext persistence through a session.

$reflectionExtractor = new ReflectionExtractor();
$phpDocExtractor = new PhpDocExtractor();
$propertyTypeExtractor = new PropertyInfoExtractor([$reflectionExtractor], [$phpDocExtractor, $reflectionExtractor], [$phpDocExtractor], [$reflectionExtractor], [$reflectionExtractor]);

$normalizer = new ObjectNormalizer(null, null, null, $propertyTypeExtractor);
$arrayNormalizer = new ArrayDenormalizer();
$serializer = new Serializer([$arrayNormalizer, $normalizer]);
return $serializer->denormalize($array, ContragentDto::class);

firewalls:
    main:
        guard:
            authenticators: 
                - App\Security\TokenAuthenticator

# config/services.yaml
services:
    DependencyInterface: '@RealDependency'

# config/services_test.yaml
services:
    DependencyInterface: '@FakeDependency'

// \App\Kernel
protected function initializeContainer()
{
    if ($_ENV['APP_ENV'] === 'dev') {
        $container = $this->buildContainer();
        $container->setParameter('container.build_id', 'id');
        $container->setParameter('container.build_hash', 'hash');
        $container->set('kernel', $this);
        $container->compile(true);

        $this->container = $container;
    } else {
        parent::initializeContainer();
    }
}

{{ render(controller(
    AppBundle:Article:recentArticles',
    { 'max': 3 }
)) }}

$form = $this->container->get('form.factory')
    ->createNamed(
        'account_'. $account->getId(), 
        AccountType::class, 
        $account
    )
;

public function indexAction(Request $request)
{
    $accounts = $this
        ->getDoctrine()
        ->getRepository('AppBundle:Account')
        ->findActive();

    $forms = [];
    foreach ($accounts as $key => $account){

        $form = $this->container->get('form.factory')->createNamed('account_'. $account->getId(), AccountType::class, $account);

        // Не надо добавлять кнопки сабмита, их рекомендуется добавлять непосредственно в шаблоне обычным html
        // $form->add('submit', SubmitType::class);

        $form->handleRequest($request);

        // Не надо инжектить форму в сущность, легче просто передать формы в шаблон
        // $account->setForm($form);
        // $account->setFormView($formView);

        if($form->isSubmitted() && $form->isValid()){

            // Объекты передаются по ссылке, нет смысла в получение $account повторно
            // $data = $form->getData();

            $this->addFlash('success', 'Saved');

            $em = $this->getDoctrine()->getManager();
            // Это актуально только для создания сущности, при редактировании - это не нужно
            // $em->persist($data);
            $em->flush();

            return $this->redirectToRoute('account_list');
        } else {
            $forms[$account->getId()] = $form->createView();
        }
    }

    return [
        'forms' => $forms,
        'accounts' => $accounts,
    ];
}

{# {{ form_row(account.formView) }} #}
{{ form_start(forms[account.id]) }}
    {{ form_widget(forms[account.id]) }}
    <button>Submit</button>
{{ form_end(forms[account.id]) }}

index:
  path: /
  defaults:
    _controller: 'App\Controllers\CommentController::get'
  methods: ['GET']

set:
  path: /
  defaults:
    _controller: 'App\Controllers\CommentController::set'
  methods: ['POST']

class TaskController
{
    /**
     * @var ProducerInterface
     */
    private $producer;

    public function __construct(ProducerInterface $producer)
    {
        $this->producer = $producer;
    }

    public function indexAction($name)
    {
        $this->producer->publish('test');

        return new Response();
    }
}

# services.yaml
services:
    App\Controller\TaskController:
        arguments:
            - '@old_sound_rabbit_mq.task_producer'

# services.yaml
services:
    OldSound\RabbitMqBundle\RabbitMq\ProducerInterface: '@old_sound_rabbit_mq.task_producer'

$query = $em->createQuery(
'SELECT NEW ArticleDTO(ar.title, ar.imagePath, ar.publishedAt, CONCAT(au.firstName, ' ', au.lastName)) 
FROM Article ar JOIN ar.author au');
$articles = $query->getResult(); // array of ArticleDTO

namespace App\Router;

use Symfony\Component\Routing\Loader\AnnotationClassLoader as BaseLoader;
use Symfony\Component\Routing\Route;

class AnnotationClassLoader extends BaseLoader
{
    protected function configureRoute(Route $route, \ReflectionClass $class, \ReflectionMethod $method, $annot)
    {
        if ('__invoke' === $method->getName()) {
            $route->setDefault('_controller', $class->getName());
        } else {
            $route->setDefault('_controller', $class->getName().'::'.$method->getName());
        }
    }
}

use App\Router\AnnotationClassLoader;
use Doctrine\Common\Annotations\AnnotationReader;
use Doctrine\Common\Annotations\AnnotationRegistry;
use Symfony\Component\Config\FileLocator;
use Symfony\Component\Config\Loader\DelegatingLoader;
use Symfony\Component\Config\Loader\LoaderResolver;
use Symfony\Component\Routing\Loader\AnnotationDirectoryLoader;
use Symfony\Component\Routing\Loader\AnnotationFileLoader;
use Symfony\Component\Routing\Router;

$autoloader = require_once __DIR__ . '/../vendor/autoload.php';

AnnotationRegistry::registerLoader(array($autoloader, 'loadClass'));

$reader = new AnnotationReader();
$annotationClassLoader = new AnnotationClassLoader($reader);

$fileLocator = new FileLocator([__DIR__]);

$loaderResolver = new LoaderResolver([
    new AnnotationFileLoader($fileLocator, $annotationClassLoader),
    new AnnotationDirectoryLoader($fileLocator, $annotationClassLoader),
]);

$loader = new DelegatingLoader($loaderResolver);

$router = new Router($loader, __DIR__ . '/../src/Controller');

dump($router->getRouteCollection());

$params = $request->request->all();
$files = $request->files->all();

$data = array_replace_recursive($params, $files);

$form->submit($data);

$data = [
   [
      'Name' => 'Alex',
      'Age' => '26',
   ],
   [
      'Name' => 'Alex2',
      'Age' => '20',
   ],
];

$rules = new Assert\Collection([
    "items"    => new Assert\Required([
        new Assert\NotBlank(),
        new Assert\Callback(function ($value, ExecutionContextInterface $context) {
            $validator = $context->getValidator();

            $violations = $validator->validate($value, new Assert\Type('array'));

            if ($violations->count() > 0) {
                /** @var ConstraintViolationInterface $violation */
                foreach ($violations as $violation) {
                    $context
                        ->buildViolation($violation->getMessage(), $violation->getParameters())
                        ->atPath('items')
                        ->addViolation()
                    ;
                }

                return;
            }

            $violations = $validator->validate($value, new Assert\All([
                new Assert\Type('array'),
                new Assert\Collection([
                    "id"        => new Assert\NotBlank(),
                    "quantity"  => new Assert\NotBlank(),
                ])
            ]));

            /** @var ConstraintViolationInterface $violation */
            foreach ($violations as $violation) {
                $context
                    ->buildViolation($violation->getMessage(), $violation->getParameters())
                    ->atPath('items'. $violation->getPropertyPath())
                    ->addViolation()
                ;
            }
        }),
    ]),
]);

$validator = Validation::createValidator();

$data = [
    'items' => [
        [
            'id' => 'id',
            'quantity' => 'quantity',
        ],
    ],
];

dump($validator->validate($data, $rules)); // Ok

$data = [
    'items' => 1,
];

dump($validator->validate($data, $rules)); // Ko

$data = [
    'items' => [
        [
            'id' => 'id',
            'quantity' => 'quantity',
        ],
        [
            'id2' => 'id',
            'quantity2' => 'quantity',
        ]
    ],
];

dump($validator->validate($data, $rules)); // Ko

<?php

namespace App\Controller;

use App\Entity\User;
use App\Service\UserService;
use Symfony\Component\DependencyInjection\ServiceLocator;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Security\Core\Exception\AccessDeniedException;
use Symfony\Component\Security\Core\Security;
use Twig\Environment;

interface AdminControllerInterface
{
    public function index(): Response;

    public function read(string $id): Response;
}

class UserController implements AdminControllerInterface
{
    /**
     * Security - объект-helper, он содержит в себе AuthorizationCheckerInterface
     *
     * @var Security
     */
    private $security;

    /**
     * @var ServiceLocator
     */
    private $controllerLocators;

    public function __construct(Security $security, ServiceLocator $controllerLocators)
    {
        $this->security = $security;
        $this->controllerLocators = $controllerLocators;
    }

    public function index(): Response
    {
        $role = $this->getRole();

        if (!$this->controllerLocators->has($role)) {
            throw new AccessDeniedException();
        }

        /** @var AdminControllerInterface $controller */
        $controller = $this->controllerLocators->get($role);

        return $controller->index();
    }

    public function read(string $id): Response
    {
        $role = $this->getRole();

        if (!$this->controllerLocators->has($role)) {
            throw new AccessDeniedException();
        }

        /** @var AdminControllerInterface $controller */
        $controller = $this->controllerLocators->get($role);

        return $controller->read($id);
    }

    private function getRole(): string
    {
        // Для простоты представим, что роль у пользователя одна. Иначе искать среди ролей
        // ROLE_SUPER_ADMIN и ROLE_CUSTOMER_ADMIN и возвращаем с соответствующим приоритетом
        return current($this->security->getToken()->getRoles());
    }
}

class SuperAdminController implements AdminControllerInterface
{
    private $userService;

    /**
     * @var Environment
     */
    private $twig;

    public function __construct(
        UserService $userService,
        Environment $twig
    ) {
        $this->userService = $userService;
        $this->twig = $twig;
    }

    public function index(): Response
    {
        $users = $this->userService->getAll();

        return new Response($this->twig->render('admin/users.html.twig', [
            'users' => $users
        ]));
    }

    public function read(string $id): Response
    {
        $user = $this->userService->getById($id);

        return new Response($this->twig->render('admin/user.html.twig', [
            'user' => $user
        ]));
    }
}

class CustomerAdminController implements AdminControllerInterface
{
    private $userService;

    /**
     * @var Security
     */
    private $security;

    /**
     * @var Environment
     */
    private $twig;

    public function __construct(
        UserService $userService,
        Environment $twig
    ) {
        $this->userService = $userService;
        $this->twig = $twig;
    }

    public function index(): Response
    {
        /** @var User $user */
        $user = $this->security->getUser();

        $users = $this->userService->findByRoleAndWorkspaceId(
            User::ROLE_TEAM_MEMBER,
            $user->getWorkspace()->getId()
        );

        return new Response($this->twig->render('user/users.html.twig', [
            'users' => $users
        ]));
    }

    public function read(string $id): Response
    {
        $user = $this->userService->getByIdAndWorkspaceId($id);

        return new Response($this->twig->render('user/user.html.twig', [
            'user' => $user
        ]));
    }
}

app.admin_controller_locator:
    class: Symfony\Component\DependencyInjection\ServiceLocator
    arguments:
        -
            ROLE_SUPER_ADMIN: '@App\Controller\SuperAdminController'
            ROLE_CUSTOMER_ADMIN: '@App\Controller\CustomerAdminController'
    tags: ['container.service_locator']