User

<?php

namespace App\Entity;

use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Security\Core\User\UserInterface;

/**
 * @ORM\Entity(repositoryClass="App\Repository\UserRepository")
 * @ORM\Table(name="user")
 */
class User implements UserInterface, \JsonSerializable
{
    /**
     * @ORM\Id()
     * @ORM\GeneratedValue()
     * @ORM\Column(type="integer")
     * @var int|null $id
     */
    private $id;

    /**
     * @ORM\Column(type="string", length=180, unique=true)
     * @var string $email
     */
    private $email;

    /**
     * @ORM\Column(type="string", length=180, unique=true)
     * @var string $username
     */
    private $username;

    /**
     * @var string The hashed password
     * @ORM\Column(type="string")
     */
    private $password;

    /**
     * @ORM\ManyToMany(targetEntity="App\Entity\Role", inversedBy="users")
     * @ORM\JoinTable(name="user_role", joinColumns={
     *      @ORM\JoinColumn(name="user_id", referencedColumnName="id")
     *  }, inverseJoinColumns={
     *      @ORM\JoinColumn(name="role_id", referencedColumnName="id")
     *  })
     * @var Role[]|null $roles
     */
    private $roles;

    public function __construct()
    {
        $this->roles = new ArrayCollection();
    }

    /**
     * @return int|null
     */
    public function getId(): ?int
    {
        return $this->id;
    }

    /**
     * @param int|null $id
     */
    public function setId(?int $id): void
    {
        $this->id = $id;
    }

    /**
     * @return string
     */
    public function getEmail(): string
    {
        return $this->email;
    }

    /**
     * @param string $email
     */
    public function setEmail(string $email): void
    {
        $this->email = $email;
    }

    /**
     * A visual identifier that represents this user.
     *
     * @see UserInterface
     */
    public function getUsername(): string
    {
        return (string) $this->username;
    }

    /**
     * @see UserInterface
     */
    public function getRoles()
    {
        return $this->roles;
    }

    /**
     * @see UserInterface
     */
    public function getPassword(): string
    {
        return (string) $this->password;
    }

    /**
     * @param string $password
     * @return User
     */
    public function setPassword(string $password): void
    {
        $this->password = $password;
    }

    /**
     * @see UserInterface
     */
    public function getSalt()
    {
        // not needed when using the "bcrypt" algorithm in security.yaml
    }

    /**
     * @see UserInterface
     */
    public function eraseCredentials()
    {
        // If you store any temporary, sensitive data on the user, clear it here
        // $this->plainPassword = null;
    }

    /**
     * @return array|mixed
     */
    public function jsonSerialize()
    {
        return [
            'id' => $this->getId(),
            'email' => $this->getEmail(),
            'username' => $this->getUsername(),
            'roles' => $this->getRoles()
        ];
    }


}