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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\SecurePoll\Talliers; |
| 4 | |
| 5 | use MediaWiki\Extension\SecurePoll\Ballots\Ballot; |
| 6 | use MediaWiki\Extension\SecurePoll\Crypt\Crypt; |
| 7 | use MediaWiki\Extension\SecurePoll\Store\Store; |
| 8 | use MediaWiki\Status\Status; |
| 9 | |
| 10 | /** |
| 11 | * A class that dumps the comments from an election |
| 12 | */ |
| 13 | class CommentDumper extends ElectionTallier { |
| 14 | /** @var Ballot|null */ |
| 15 | public $ballot; |
| 16 | /** @var resource|null */ |
| 17 | public $csvHandle; |
| 18 | /** @var Crypt|null */ |
| 19 | public $crypt; |
| 20 | /** @var bool */ |
| 21 | public $skipEmptyComments; |
| 22 | /** @var int|null */ |
| 23 | private $countSoFar; |
| 24 | |
| 25 | public function __construct( $context, $election, $skipEmptyComments = true ) { |
| 26 | parent::__construct( $context, $election ); |
| 27 | $this->skipEmptyComments = $skipEmptyComments; |
| 28 | } |
| 29 | |
| 30 | public function execute() { |
| 31 | $this->csvHandle = fopen( 'php://temp', 'r+' ); |
| 32 | $this->countSoFar = 0; |
| 33 | |
| 34 | return parent::execute(); |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * Add a record. This is the callback function for SecurePoll_Store::callbackValidVotes(). |
| 39 | * On error, the Status object returned here will be passed through back to |
| 40 | * the caller of callbackValidVotes(). |
| 41 | * |
| 42 | * @param Store $store |
| 43 | * @param string $record Encrypted, packed record. |
| 44 | * @return Status |
| 45 | */ |
| 46 | public function addRecord( $store, $record ) { |
| 47 | $this->countSoFar++; |
| 48 | wfDebug( "Processing vote {$this->countSoFar}\n" ); |
| 49 | # Decrypt and unpack |
| 50 | if ( $this->crypt ) { |
| 51 | $status = $this->crypt->decrypt( $record ); |
| 52 | if ( !$status->isOK() ) { |
| 53 | return $status; |
| 54 | } |
| 55 | $record = $status->value; |
| 56 | } |
| 57 | $record = rtrim( $record ); |
| 58 | $scores = $this->ballot->unpackRecord( $record ); |
| 59 | |
| 60 | $comments = $scores['comment']; |
| 61 | unset( $scores['comment'] ); |
| 62 | |
| 63 | // Short circuit if the comments are empty |
| 64 | if ( $this->skipEmptyComments && $comments['native'] == '' && $comments['en'] == '' ) { |
| 65 | return Status::newGood(); |
| 66 | } |
| 67 | |
| 68 | $output = [ |
| 69 | $comments['native'], |
| 70 | $comments['en'] |
| 71 | ]; |
| 72 | |
| 73 | ksort( $output ); |
| 74 | |
| 75 | foreach ( $scores as $question ) { |
| 76 | ksort( $question ); |
| 77 | $output = array_merge( $output, $question ); |
| 78 | } |
| 79 | |
| 80 | fputcsv( $this->csvHandle, $output ); |
| 81 | |
| 82 | return Status::newGood(); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * @inheritDoc |
| 87 | * Get text formatted results for this tally. Should only be called after |
| 88 | * execute(). |
| 89 | */ |
| 90 | public function getHtmlResult() { |
| 91 | return $this->getTextResult(); |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * @inheritDoc |
| 96 | * |
| 97 | */ |
| 98 | public function getTextResult() { |
| 99 | return stream_get_contents( $this->csvHandle, -1, 0 ); |
| 100 | } |
| 101 | } |