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42 |
1 | <?php |
2 | |
3 | namespace MediaWiki\Extension\SecurePoll\Ballots; |
4 | |
5 | use MediaWiki\Extension\SecurePoll\Entities\Question; |
6 | |
7 | /** |
8 | * Checkbox approval voting. |
9 | */ |
10 | class ApprovalBallot extends Ballot { |
11 | public static function getTallyTypes() { |
12 | return [ 'plurality' ]; |
13 | } |
14 | |
15 | /** |
16 | * @param Question $question |
17 | * @param array $options |
18 | * @return \OOUI\FieldsetLayout |
19 | */ |
20 | public function getQuestionForm( $question, $options ) { |
21 | $name = 'securepoll_q' . $question->getId(); |
22 | |
23 | $fieldset = new \OOUI\FieldsetLayout( [ |
24 | 'classes' => [ 'securepoll-option-approval ' ] |
25 | ] ); |
26 | |
27 | foreach ( $options as $option ) { |
28 | $optionHTML = $option->parseMessageInline( 'text' ); |
29 | $optionId = $option->getId(); |
30 | $inputId = "{$name}_opt{$optionId}"; |
31 | |
32 | $fieldset->addItems( [ |
33 | new \OOUI\FieldLayout( new \OOUI\CheckboxInputWidget( [ |
34 | 'name' => $inputId, |
35 | 'selected' => $this->getRequest()->getBool( $inputId ), |
36 | 'value' => 1 |
37 | ] ), [ |
38 | 'label' => new \OOUI\HtmlSnippet( $optionHTML ), |
39 | 'align' => 'inline' |
40 | ] ) |
41 | ] ); |
42 | } |
43 | |
44 | return $fieldset; |
45 | } |
46 | |
47 | /** |
48 | * @param Question $question |
49 | * @param BallotStatus $status |
50 | * @return string |
51 | */ |
52 | public function submitQuestion( $question, $status ) { |
53 | $options = $question->getOptions(); |
54 | $record = ''; |
55 | foreach ( $options as $option ) { |
56 | $id = 'securepoll_q' . $question->getId() . '_opt' . $option->getId(); |
57 | $checked = $this->getRequest()->getBool( $id ); |
58 | $record .= $this->packRecord( $question, $option, $checked ); |
59 | } |
60 | |
61 | return $record; |
62 | } |
63 | |
64 | public function packRecord( $question, $option, $checked ) { |
65 | return sprintf( |
66 | 'Q%08X-A%08X-%s--', |
67 | $question->getId(), |
68 | $option->getId(), |
69 | $checked ? 'y' : 'n' |
70 | ); |
71 | } |
72 | |
73 | public function unpackRecord( $record ) { |
74 | $scores = []; |
75 | $itemLength = 2 * 8 + 7; |
76 | for ( $offset = 0, $len = strlen( $record ); $offset < $len; $offset += $itemLength ) { |
77 | if ( !preg_match( |
78 | '/Q([0-9A-F]{8})-A([0-9A-F]{8})-([yn])--/A', |
79 | $record, |
80 | $m, |
81 | 0, |
82 | $offset |
83 | ) |
84 | ) { |
85 | wfDebug( __METHOD__ . ": regex doesn't match\n" ); |
86 | |
87 | return false; |
88 | } |
89 | $qid = intval( base_convert( $m[1], 16, 10 ) ); |
90 | $oid = intval( base_convert( $m[2], 16, 10 ) ); |
91 | $score = ( $m[3] === 'y' ) ? 1 : 0; |
92 | $scores[$qid][$oid] = $score; |
93 | } |
94 | |
95 | return $scores; |
96 | } |
97 | |
98 | public function convertScores( $scores, $params = [] ) { |
99 | $result = []; |
100 | foreach ( $this->election->getQuestions() as $question ) { |
101 | $qid = $question->getId(); |
102 | if ( !isset( $scores[$qid] ) ) { |
103 | return false; |
104 | } |
105 | $s = ''; |
106 | $qscores = $scores[$qid]; |
107 | ksort( $qscores ); |
108 | $first = true; |
109 | foreach ( $qscores as $score ) { |
110 | if ( $first ) { |
111 | $first = false; |
112 | } else { |
113 | $s .= ', '; |
114 | } |
115 | $s .= $score ? 'y' : 'n'; |
116 | } |
117 | $result[$qid] = $s; |
118 | } |
119 | |
120 | return $result; |
121 | } |
122 | |
123 | } |