Symfony User Management

Account.php

<?php

namespace App\Entity;

use App\Model\Account\MembershipInterface;
use App\Model\Resource\TimestampableTrait;
use App\Model\Resource\ToggleableTrait;
use App\Model\Resource\UuidTrait;
use App\Model\User\UserInterface;
use Doctrine\Common\Collections\Collection;
use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity(repositoryClass="App\Repository\AccountRepository")
 * @ORM\Table(name="app_accounts")
 */
class Account
{
    use UuidTrait, TimestampableTrait, ToggleableTrait;

    /**
     * @var string
     * @ORM\Column(type="string", length=196, nullable=false)
     */
    private $description;

    /**
     * @var UserInterface|null
     * @ORM\ManyToOne(targetEntity="App\Entity\User")
     * @ORM\JoinColumn(nullable=false)
     */
    private $owner;

    /**
     * @var Collection|MembershipInterface[]
     * @ORM\OneToMany(targetEntity="App\Entity\Membership", mappedBy="user", cascade={"persist", "remove"})
     */
    private $memberships;
}

Membership.php

<?php

namespace App\Entity;

use App\Model\Account\AccountInterface;
use App\Model\User\UserInterface;
use Doctrine\ORM\Mapping as ORM;
use Ramsey\Uuid\UuidInterface;
use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;

/**
 * @ORM\Entity(repositoryClass="App\Repository\MembershipRepository")
 * @ORM\Table(name="app_memberships", uniqueConstraints={
 *      @ORM\UniqueConstraint(name="account_user_rel", columns={"account_id", "user_id"})
 * })
 * @UniqueEntity(
 *     fields={"account", "user"},
 *     message="Membership already exist",
 *     errorPath="user"
 * )
 */
class Membership
{
    /**
     * @var UuidInterface
     *
     * @ORM\Id
     * @ORM\Column(type="uuid", unique=true)
     * @ORM\GeneratedValue(strategy="CUSTOM")
     * @ORM\CustomIdGenerator(class="Ramsey\Uuid\Doctrine\UuidGenerator")
     */
    protected $id;

    /**
     * @var AccountInterface|null
     * @ORM\ManyToOne(targetEntity="App\Entity\Account", inversedBy="users")
     * @ORM\JoinColumn(nullable=false)
     */
    private $account;

    /**
     * @var UserInterface
     * @ORM\ManyToOne(targetEntity="App\Entity\User", inversedBy="accounts")
     * @ORM\JoinColumn(nullable=false)
     */
    private $user;

    /**
     * @var array
     * @ORM\Column(type="json", nullable=false)
     */
    private $roles;
}

User.php

<?php

namespace App\Entity;

use App\Model\Account\AccountInterface;
use App\Model\Resource\ArraySerializableTrait;
use App\Model\Resource\TimestampableTrait;
use App\Model\Resource\ToggleableTrait;
use App\Model\Resource\UuidTrait;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\ORM\Mapping as ORM;
use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;

/**
 * @UniqueEntity(fields={"email"}, message="Email address already exist", groups={"create"})
 *
 * @ORM\Entity(repositoryClass="App\Repository\UserRepository")
 * @ORM\Table(name="app_users")
 */
class User
{
    use UuidTrait, TimestampableTrait, ToggleableTrait, ArraySerializableTrait;

    /**
     * @var string
     * @ORM\Column(type="string", nullable=false)
     */
    protected $password;

    /**
     * @var string|null
     */
    protected $plainPassword;

    /**
     * @var array
     * @ORM\Column(type="json", nullable=false)
     */
    protected $roles = [];

    /**
     * @var string|null
     * @ORM\Column(type="string", nullable=false, unique=true)
     */
    protected $email;

    /**
     * @var ArrayCollection|AccountInterface[]
     * @ORM\OneToMany(targetEntity="App\Entity\Membership", mappedBy="account", cascade={"persist", "remove"})
     */
    private $accounts;
}