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1<?php
2
3/**
4 * This file is part of the MADIS - RGPD Management application.
5 *
6 * @copyright Copyright (c) 2018-2019 Soluris - Solutions Numériques Territoriales Innovantes
7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU Affero General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU Affero General Public License for more details.
17 *
18 * You should have received a copy of the GNU Affero General Public License
19 * along with this program. If not, see <https://www.gnu.org/licenses/>.
20 */
21
22declare(strict_types=1);
23
24namespace App\Application\Symfony\EventSubscriber\Doctrine;
25
26use App\Application\Symfony\Security\UserProvider;
27use App\Domain\User\Model\User;
28use Doctrine\Common\EventSubscriber;
29use Doctrine\ORM\Event\LifecycleEventArgs;
30use Symfony\Component\Security\Core\Authentication\Token\SwitchUserToken;
31
32/**
33 * Class LinkUpdatedBySubscriber
34 * Link authenticated user to object.
35 */
36class LinkUpdatedBySubscriber implements EventSubscriber
37{
38    /**
39     * @var UserProvider
40     */
41    private $userProvider;
42
43    /**
44     * @var bool
45     */
46    private $linkAdmin;
47
48    public function __construct(
49        UserProvider $userProvider,
50        bool $linkAdmin,
51    ) {
52        $this->userProvider = $userProvider;
53        $this->linkAdmin    = $linkAdmin;
54    }
55
56    public function getSubscribedEvents()
57    {
58        return [
59            'preUpdate',
60        ];
61    }
62
63    /**
64     * PrePersist.
65     *
66     * Link creator to object.
67     * That is to say that every time you will persist an object,
68     * the user will be added to related object.
69     *
70     * @throws \Exception
71     */
72    public function preUpdate(LifecycleEventArgs $args): void
73    {
74        $em      = $args->getEntityManager();
75        $object  = $args->getObject();
76        $methods = \get_class_methods($object);
77
78        $token = $this->userProvider->getToken();
79        $user  = $token ? $token->getUser() : null;
80
81        // Only link if prerequisite are right :
82        // - Model has required methods
83        // - Connected user is a User Model (i.e. avoid anonymous users)
84        if (
85            !\in_array('setUpdatedBy', $methods)
86            || !\in_array('getUpdatedBy', $methods)
87            || !$user instanceof User
88        ) {
89            return;
90        }
91
92        // No need to link admin, then link logged user (even if it is an impersonated one)
93        if (!$this->linkAdmin) {
94            $object->setUpdatedBy($user->getFullName());
95
96            return;
97        }
98
99        // We link admin, then check it original token
100        if ($token instanceof SwitchUserToken) {
101            /** @var User $originalUser */
102            $originalUser   = $token->getOriginalToken()->getUser();
103            $originalUserId = $originalUser->getId()->toString();
104            $originalUser   = $em->find(User::class, $originalUserId);
105            $object->setUpdatedBy($originalUser->getFullName());
106
107            return;
108        }
109
110        // Can't link admin, then link standard user
111        $object->setUpdatedBy($user->getFullName());
112    }
113}