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1<?php
2
3namespace GrowthExperiments\Specials;
4
5use ErrorPageError;
6use GrowthExperiments\Mentorship\MentorRemover;
7use GrowthExperiments\Mentorship\Provider\MentorProvider;
8use MediaWiki\HTMLForm\HTMLForm;
9use MediaWiki\SpecialPage\FormSpecialPage;
10use MediaWiki\User\User;
11use PermissionsError;
12
13class SpecialQuitMentorship extends FormSpecialPage {
14
15    private MentorProvider $mentorProvider;
16    private MentorRemover $mentorRemover;
17
18    /**
19     * @param MentorProvider $mentorProvider
20     * @param MentorRemover $mentorRemover
21     */
22    public function __construct(
23        MentorProvider $mentorProvider,
24        MentorRemover $mentorRemover
25    ) {
26        parent::__construct( 'QuitMentorship', '', false );
27
28        $this->mentorProvider = $mentorProvider;
29        $this->mentorRemover = $mentorRemover;
30    }
31
32    /** @inheritDoc */
33    protected function getGroupName() {
34        return 'growth-tools';
35    }
36
37    /**
38     * @inheritDoc
39     */
40    public function doesWrites() {
41        return true;
42    }
43
44    /**
45     * @inheritDoc
46     */
47    protected function getDisplayFormat() {
48        return 'ooui';
49    }
50
51    /**
52     * @inheritDoc
53     */
54    protected function getMessagePrefix() {
55        return 'growthexperiments-quit-mentorship';
56    }
57
58    /**
59     * @inheritDoc
60     */
61    public function getDescription() {
62        return $this->msg( 'growthexperiments-quit-mentorship-title' );
63    }
64
65    /**
66     * Check if mentor dashboard is enabled via GEMentorDashboardEnabled
67     *
68     * @return bool
69     */
70    private function isEnabled(): bool {
71        return $this->getConfig()->get( 'GEMentorDashboardEnabled' );
72    }
73
74    /**
75     * Ensure mentor dashboard feature flag is on
76     *
77     * @throws ErrorPageError
78     */
79    private function requireMentorDashboardEnabled() {
80        if ( !$this->isEnabled() ) {
81            // Mentor dashboard is disabled, display a meaningful restriction error
82            throw new ErrorPageError(
83                'growthexperiments-quit-mentorship-title',
84                'growthexperiments-quit-mentorship-disabled'
85            );
86        }
87    }
88
89    /**
90     * @inheritDoc
91     */
92    public function execute( $par ) {
93        $this->requireMentorDashboardEnabled();
94        $this->requireNamedUser();
95
96        parent::execute( $par );
97    }
98
99    /**
100     * @inheritDoc
101     */
102    protected function getFormFields() {
103        return [
104            'reason' => [
105                'type' => 'text',
106                'label-message' => 'growthexperiments-quit-mentorship-reason'
107            ]
108        ];
109    }
110
111    /**
112     * @inheritDoc
113     */
114    protected function alterForm( HTMLForm $form ) {
115        $form->setSubmitDestructive();
116        $form->setSubmitText( $this->msg(
117            'growthexperiments-quit-mentorship-reassign-mentees-confirm'
118        )->text() );
119    }
120
121    /**
122     * @inheritDoc
123     */
124    protected function preHtml() {
125        return $this->msg(
126            'growthexperiments-quit-mentorship-has-mentees-pretext'
127        )->parseAsBlock();
128    }
129
130    /**
131     * @inheritDoc
132     */
133    public function onSubmit( array $data ) {
134        return $this->mentorRemover->removeMentor(
135            $this->getUser(),
136            $this->getUser(),
137            $data['reason'],
138            $this->getContext()
139        );
140    }
141
142    /**
143     * @inheritDoc
144     */
145    public function onSuccess() {
146        $this->getOutput()->addWikiMsg( 'growthexperiments-quit-mentorship-success' );
147    }
148
149    /**
150     * @inheritDoc
151     */
152    public function userCanExecute( User $user ) {
153        return $this->mentorProvider->isMentor( $this->getUser() );
154    }
155
156    /**
157     * @inheritDoc
158     */
159    protected function displayRestrictionError() {
160        throw new PermissionsError(
161            null,
162            [ 'growthexperiments-quit-mentorship-error-not-a-mentor' ]
163        );
164    }
165}