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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    /** @var string */
35    private $subject;
36
37    /** @var bool */
38    private $allowBlankSubject;
39
40    /** @var string|null */
41    private $result;
42
43    /**
44     * @param string $subject
45     * @param bool $allowBlankSubject
46     */
47    public function __construct(
48        string $subject,
49        bool $allowBlankSubject
50    ) {
51        $this->subject = $subject;
52        $this->allowBlankSubject = $allowBlankSubject;
53    }
54
55    public function checkConstraint(): string {
56        if ( !$this->allowBlankSubject && trim( $this->subject ) == '' ) {
57            // TODO this was == in EditPage, can it be === ?
58            $this->result = self::CONSTRAINT_FAILED;
59        } else {
60            $this->result = self::CONSTRAINT_PASSED;
61        }
62        return $this->result;
63    }
64
65    public function getLegacyStatus(): StatusValue {
66        $statusValue = StatusValue::newGood();
67        if ( $this->result === self::CONSTRAINT_FAILED ) {
68            // From EditPage, regarding the fatal:
69            // or 'missingcommentheader' if $section == 'new'. Blegh
70            // For new sections, the subject is also used for the summary,
71            // so we report missing summaries if the section is missing
72            $statusValue->fatal( 'missingsummary' );
73            $statusValue->value = self::AS_SUMMARY_NEEDED;
74        }
75        return $statusValue;
76    }
77
78}