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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 * For a new section, do not allow the user to post with an empty subject (section title) unless they choose to
27 *
28 * @since 1.39
29 * @internal
30 * @author DannyS712
31 */
32class NewSectionMissingSubjectConstraint implements IEditConstraint {
33
34    private string $section;
35    private string $subject;
36    private bool $allowBlankSubject;
37    private string $result;
38
39    /**
40     * @param string $section
41     * @param string $subject
42     * @param bool $allowBlankSubject
43     */
44    public function __construct(
45        string $section,
46        string $subject,
47        bool $allowBlankSubject
48    ) {
49        $this->section = $section;
50        $this->subject = $subject;
51        $this->allowBlankSubject = $allowBlankSubject;
52    }
53
54    public function checkConstraint(): string {
55        if ( $this->section === 'new' &&
56            !$this->allowBlankSubject &&
57            trim( $this->subject ) === ''
58        ) {
59            $this->result = self::CONSTRAINT_FAILED;
60        } else {
61            $this->result = self::CONSTRAINT_PASSED;
62        }
63        return $this->result;
64    }
65
66    public function getLegacyStatus(): StatusValue {
67        $statusValue = StatusValue::newGood();
68        if ( $this->result === self::CONSTRAINT_FAILED ) {
69            // From EditPage, regarding the fatal:
70            // or 'missingcommentheader' if $section === 'new'. Blegh
71            // For new sections, the subject is also used for the summary,
72            // so we report missing summaries if the section is missing
73            $statusValue->fatal( 'missingsummary' );
74            $statusValue->value = self::AS_SUMMARY_NEEDED;
75        }
76        return $statusValue;
77    }
78
79}