UserProvider.php

<?php

namespace AppBundle\Security;

use Symfony\Component\Security\Core\User\UserProviderInterface;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
use Symfony\Component\Security\Core\Exception\UnsupportedUserException;
use Symfony\Component\Security\Core\Exception\DisabledException;
use AppBundle\Manager\UserManager;

class UserProvider implements UserProviderInterface
{
    private $userManager;

    public function __construct(UserManager $userManager)
    {
        $this->userManager = $userManager;
    }

    public function loadUserByUsername($username)
    {
        $user = $this->userManager->findOneByEmail($username);

        if (empty($user) || true !== $user->getActivated()) {
            throw new UsernameNotFoundException('Username not found.');
        }

        $user->setLastLogin(new \Datetime());
        $this->userManager->save($user);

        return $user;
    }

    public function refreshUser(UserInterface $user)
    {
        if (!$this->supportsClass($class = get_class($user))) {
            throw new UnsupportedUserException(sprintf('Instances of "%s" are not supported.', $class));
        }

        $user = $this->userManager->findOneById($user->getId());

        if (false === $user->getActivated()) {
            $exception = new DisabledException('Disabled account.');
            $exception->setUser($user);

            throw $exception;
        }

        return $user;
    }

    public function supportsClass($class)
    {
        return $class === 'AppBundle\Entity\User';
    }
}