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1<?php
2/**
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
16 * http://www.gnu.org/copyleft/gpl.html
17 *
18 * @file
19 */
20
21namespace MediaWiki\EditPage\Constraint;
22
23use StatusValue;
24
25/**
26 * Make sure user doesn't accidentally recreate a page deleted after they started editing
27 *
28 * @since 1.36
29 * @internal
30 * @author DannyS712
31 */
32class AccidentalRecreationConstraint implements IEditConstraint {
33
34    /** @var bool */
35    private $deletedSinceLastEdit;
36
37    /** @var bool */
38    private $allowRecreation;
39
40    /**
41     * @param bool $deletedSinceLastEdit
42     * @param bool $allowRecreation
43     */
44    public function __construct(
45        bool $deletedSinceLastEdit,
46        bool $allowRecreation
47    ) {
48        $this->deletedSinceLastEdit = $deletedSinceLastEdit;
49        $this->allowRecreation = $allowRecreation;
50    }
51
52    public function checkConstraint(): string {
53        if ( $this->deletedSinceLastEdit && !$this->allowRecreation ) {
54            return self::CONSTRAINT_FAILED;
55        }
56        return self::CONSTRAINT_PASSED;
57    }
58
59    public function getLegacyStatus(): StatusValue {
60        $statusValue = StatusValue::newGood();
61        if ( $this->deletedSinceLastEdit && !$this->allowRecreation ) {
62            $statusValue->setResult( false, self::AS_ARTICLE_WAS_DELETED );
63        }
64        return $statusValue;
65    }
66
67}