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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\SecurePoll\Ballots; |
| 4 | |
| 5 | use MediaWiki\Extension\SecurePoll\Entities\Question; |
| 6 | use OOUI\FieldLayout; |
| 7 | use OOUI\FieldsetLayout; |
| 8 | use OOUI\HtmlSnippet; |
| 9 | use OOUI\RadioInputWidget; |
| 10 | |
| 11 | /** |
| 12 | * A ballot class which asks the user to choose one answer only from the |
| 13 | * given options, for each question. |
| 14 | */ |
| 15 | class ChooseBallot extends Ballot { |
| 16 | /** |
| 17 | * Get a list of names of tallying methods, which may be used to produce a |
| 18 | * result from this ballot type. |
| 19 | * @return array |
| 20 | */ |
| 21 | public static function getTallyTypes() { |
| 22 | return [ 'plurality' ]; |
| 23 | } |
| 24 | |
| 25 | /** @inheritDoc */ |
| 26 | public static function getCreateDescriptors() { |
| 27 | $ret = parent::getCreateDescriptors(); |
| 28 | $ret['option'] += [ |
| 29 | 'name' => [ |
| 30 | 'label-message' => 'securepoll-create-label-option-name', |
| 31 | 'type' => 'text', |
| 32 | 'SecurePoll_type' => 'message', |
| 33 | ], |
| 34 | ]; |
| 35 | |
| 36 | return $ret; |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * Get the HTML form segment for a single question |
| 41 | * @param Question $question |
| 42 | * @param array $options Array of options, in the order they should be displayed |
| 43 | * @return FieldsetLayout |
| 44 | */ |
| 45 | public function getQuestionForm( $question, $options ) { |
| 46 | $name = 'securepoll_q' . $question->getId(); |
| 47 | $fieldset = new FieldsetLayout(); |
| 48 | foreach ( $options as $option ) { |
| 49 | $optionHTML = $option->parseMessageInline( 'text' ); |
| 50 | $optionId = $option->getId(); |
| 51 | |
| 52 | $fieldset->appendContent( [ |
| 53 | new FieldLayout( new RadioInputWidget( [ |
| 54 | 'name' => $name, |
| 55 | 'value' => $optionId, |
| 56 | 'required' => true, |
| 57 | ] ), [ |
| 58 | 'classes' => [ 'securepoll-option-choose' ], |
| 59 | 'label' => new HtmlSnippet( $optionHTML ), |
| 60 | 'align' => 'inline' |
| 61 | ] ) |
| 62 | ] ); |
| 63 | } |
| 64 | |
| 65 | return $fieldset; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * @param Question $question |
| 70 | * @param BallotStatus $status |
| 71 | * @return string |
| 72 | */ |
| 73 | public function submitQuestion( $question, $status ) { |
| 74 | $result = $this->getRequest()->getInt( 'securepoll_q' . $question->getId() ); |
| 75 | if ( !$result ) { |
| 76 | $status->fatal( 'securepoll-unanswered-questions' ); |
| 77 | } else { |
| 78 | return $this->packRecord( $question->getId(), $result ); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * @param int $qid |
| 84 | * @param int $oid |
| 85 | * @return string |
| 86 | */ |
| 87 | public function packRecord( $qid, $oid ) { |
| 88 | return sprintf( 'Q%08XA%08X', $qid, $oid ); |
| 89 | } |
| 90 | |
| 91 | /** @inheritDoc */ |
| 92 | public function unpackRecord( $record ) { |
| 93 | $result = []; |
| 94 | $record = trim( $record ); |
| 95 | for ( $offset = 0, $len = strlen( $record ); $offset < $len; $offset += 18 ) { |
| 96 | if ( !preg_match( '/Q([0-9A-F]{8})A([0-9A-F]{8})/A', $record, $m, 0, $offset ) ) { |
| 97 | wfDebug( __METHOD__ . ": regex doesn't match\n" ); |
| 98 | |
| 99 | return false; |
| 100 | } |
| 101 | $qid = intval( base_convert( $m[1], 16, 10 ) ); |
| 102 | $oid = intval( base_convert( $m[2], 16, 10 ) ); |
| 103 | $result[$qid] = [ $oid => 1 ]; |
| 104 | } |
| 105 | |
| 106 | return $result; |
| 107 | } |
| 108 | |
| 109 | /** @inheritDoc */ |
| 110 | public function convertScores( $scores, $params = [] ) { |
| 111 | $s = ''; |
| 112 | foreach ( $this->election->getQuestions() as $question ) { |
| 113 | $qid = $question->getId(); |
| 114 | if ( !isset( $scores[$qid] ) ) { |
| 115 | return false; |
| 116 | } |
| 117 | if ( $s !== '' ) { |
| 118 | $s .= '; '; |
| 119 | } |
| 120 | $oid = key( $scores ); |
| 121 | // FIXME: getOption doesn't exist |
| 122 | // @phan-suppress-next-line PhanUndeclaredMethod |
| 123 | $option = $this->election->getOption( $oid ); |
| 124 | $s .= $option->getMessage( 'name' ); |
| 125 | } |
| 126 | |
| 127 | return $s; |
| 128 | } |
| 129 | } |