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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\SecurePoll\Ballots; |
| 4 | |
| 5 | use MediaWiki\Extension\SecurePoll\Entities\Option; |
| 6 | use MediaWiki\Extension\SecurePoll\Entities\Question; |
| 7 | use OOUI\CheckboxInputWidget; |
| 8 | use OOUI\FieldLayout; |
| 9 | use OOUI\FieldsetLayout; |
| 10 | use OOUI\HtmlSnippet; |
| 11 | |
| 12 | /** |
| 13 | * Checkbox approval voting. |
| 14 | */ |
| 15 | class ApprovalBallot extends Ballot { |
| 16 | /** @inheritDoc */ |
| 17 | public static function getTallyTypes() { |
| 18 | return [ 'plurality' ]; |
| 19 | } |
| 20 | |
| 21 | /** |
| 22 | * @param Question $question |
| 23 | * @param array $options |
| 24 | * @return FieldsetLayout |
| 25 | */ |
| 26 | public function getQuestionForm( $question, $options ) { |
| 27 | $name = 'securepoll_q' . $question->getId(); |
| 28 | |
| 29 | $fieldset = new FieldsetLayout( [ |
| 30 | 'classes' => [ 'securepoll-option-approval ' ] |
| 31 | ] ); |
| 32 | |
| 33 | foreach ( $options as $option ) { |
| 34 | $optionHTML = $option->parseMessageInline( 'text' ); |
| 35 | $optionId = $option->getId(); |
| 36 | $inputId = "{$name}_opt{$optionId}"; |
| 37 | |
| 38 | $fieldset->addItems( [ |
| 39 | new FieldLayout( new CheckboxInputWidget( [ |
| 40 | 'name' => $inputId, |
| 41 | 'selected' => $this->getRequest()->getBool( $inputId ), |
| 42 | 'value' => 1 |
| 43 | ] ), [ |
| 44 | 'label' => new HtmlSnippet( $optionHTML ), |
| 45 | 'align' => 'inline' |
| 46 | ] ) |
| 47 | ] ); |
| 48 | } |
| 49 | |
| 50 | return $fieldset; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * @param Question $question |
| 55 | * @param BallotStatus $status |
| 56 | * @return string |
| 57 | */ |
| 58 | public function submitQuestion( $question, $status ) { |
| 59 | $options = $question->getOptions(); |
| 60 | $record = ''; |
| 61 | foreach ( $options as $option ) { |
| 62 | $id = 'securepoll_q' . $question->getId() . '_opt' . $option->getId(); |
| 63 | $checked = $this->getRequest()->getBool( $id ); |
| 64 | $record .= $this->packRecord( $question, $option, $checked ); |
| 65 | } |
| 66 | |
| 67 | return $record; |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * @param Question $question |
| 72 | * @param Option $option |
| 73 | * @param bool $checked |
| 74 | * @return string |
| 75 | */ |
| 76 | public function packRecord( $question, $option, $checked ) { |
| 77 | return sprintf( |
| 78 | 'Q%08X-A%08X-%s--', |
| 79 | $question->getId(), |
| 80 | $option->getId(), |
| 81 | $checked ? 'y' : 'n' |
| 82 | ); |
| 83 | } |
| 84 | |
| 85 | /** @inheritDoc */ |
| 86 | public function unpackRecord( $record ) { |
| 87 | $scores = []; |
| 88 | $itemLength = 2 * 8 + 7; |
| 89 | for ( $offset = 0, $len = strlen( $record ); $offset < $len; $offset += $itemLength ) { |
| 90 | if ( !preg_match( |
| 91 | '/Q([0-9A-F]{8})-A([0-9A-F]{8})-([yn])--/A', |
| 92 | $record, |
| 93 | $m, |
| 94 | 0, |
| 95 | $offset |
| 96 | ) |
| 97 | ) { |
| 98 | wfDebug( __METHOD__ . ": regex doesn't match\n" ); |
| 99 | |
| 100 | return false; |
| 101 | } |
| 102 | $qid = intval( base_convert( $m[1], 16, 10 ) ); |
| 103 | $oid = intval( base_convert( $m[2], 16, 10 ) ); |
| 104 | $score = ( $m[3] === 'y' ) ? 1 : 0; |
| 105 | $scores[$qid][$oid] = $score; |
| 106 | } |
| 107 | |
| 108 | return $scores; |
| 109 | } |
| 110 | |
| 111 | /** @inheritDoc */ |
| 112 | public function convertScores( $scores, $params = [] ) { |
| 113 | $result = []; |
| 114 | foreach ( $this->election->getQuestions() as $question ) { |
| 115 | $qid = $question->getId(); |
| 116 | if ( !isset( $scores[$qid] ) ) { |
| 117 | return false; |
| 118 | } |
| 119 | $s = ''; |
| 120 | $qscores = $scores[$qid]; |
| 121 | ksort( $qscores ); |
| 122 | $first = true; |
| 123 | foreach ( $qscores as $score ) { |
| 124 | if ( $first ) { |
| 125 | $first = false; |
| 126 | } else { |
| 127 | $s .= ', '; |
| 128 | } |
| 129 | $s .= $score ? 'y' : 'n'; |
| 130 | } |
| 131 | $result[$qid] = $s; |
| 132 | } |
| 133 | |
| 134 | return $result; |
| 135 | } |
| 136 | |
| 137 | } |