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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\SecurePoll\Store; |
| 4 | |
| 5 | use LogicException; |
| 6 | use MediaWiki\Logger\LoggerFactory; |
| 7 | use MediaWiki\Status\Status; |
| 8 | |
| 9 | /** |
| 10 | * Storage class that stores all data in local memory. The memory must be |
| 11 | * initialized somehow, methods for this are not provided except in the |
| 12 | * subclass. |
| 13 | */ |
| 14 | class MemoryStore implements Store { |
| 15 | /** @var array|null */ |
| 16 | public $messages; |
| 17 | /** @var array|null */ |
| 18 | public $properties; |
| 19 | /** @var array|null */ |
| 20 | public $idsByName; |
| 21 | /** @var array|null */ |
| 22 | public $votes; |
| 23 | /** @var array */ |
| 24 | public $entityInfo = []; |
| 25 | |
| 26 | /** |
| 27 | * Get an array containing all election IDs stored in this object |
| 28 | * @return array |
| 29 | */ |
| 30 | public function getAllElectionIds() { |
| 31 | $electionIds = []; |
| 32 | foreach ( $this->entityInfo as $info ) { |
| 33 | if ( $info['type'] !== 'election' ) { |
| 34 | continue; |
| 35 | } |
| 36 | $electionIds[] = $info['id']; |
| 37 | } |
| 38 | |
| 39 | return $electionIds; |
| 40 | } |
| 41 | |
| 42 | /** @inheritDoc */ |
| 43 | public function getMessages( $lang, $ids ) { |
| 44 | if ( !isset( $this->messages[$lang] ) ) { |
| 45 | return []; |
| 46 | } |
| 47 | |
| 48 | return array_intersect_key( $this->messages[$lang], array_flip( $ids ) ); |
| 49 | } |
| 50 | |
| 51 | /** @inheritDoc */ |
| 52 | public function getLangList( $ids ) { |
| 53 | $langs = []; |
| 54 | foreach ( $this->messages as $lang => $langMessages ) { |
| 55 | foreach ( $ids as $id ) { |
| 56 | if ( isset( $langMessages[$id] ) ) { |
| 57 | $langs[] = $lang; |
| 58 | break; |
| 59 | } |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | return $langs; |
| 64 | } |
| 65 | |
| 66 | /** @inheritDoc */ |
| 67 | public function getProperties( $ids ) { |
| 68 | $ids = (array)$ids; |
| 69 | |
| 70 | return array_intersect_key( $this->properties, array_flip( $ids ) ); |
| 71 | } |
| 72 | |
| 73 | /** @inheritDoc */ |
| 74 | public function getElectionInfo( $ids ) { |
| 75 | $ids = (array)$ids; |
| 76 | |
| 77 | return array_intersect_key( $this->entityInfo, array_flip( $ids ) ); |
| 78 | } |
| 79 | |
| 80 | /** @inheritDoc */ |
| 81 | public function getElectionInfoByTitle( $names ) { |
| 82 | $names = (array)$names; |
| 83 | $ids = array_intersect_key( $this->idsByName, array_flip( $names ) ); |
| 84 | |
| 85 | return array_intersect_key( $this->entityInfo, array_flip( $ids ) ); |
| 86 | } |
| 87 | |
| 88 | /** @inheritDoc */ |
| 89 | public function getElectionInfoByTally( $ids ) { |
| 90 | // @phan-suppress-previous-line PhanPluginNeverReturnMethod LSP violation |
| 91 | throw new LogicException( |
| 92 | 'Internal error: attempt to use getElectionInfoByTally() with ' . |
| 93 | 'a storage class that doesn\'t support it.' |
| 94 | ); |
| 95 | } |
| 96 | |
| 97 | /** @inheritDoc */ |
| 98 | public function getQuestionInfo( $electionId ) { |
| 99 | return $this->entityInfo[$electionId]['questions']; |
| 100 | } |
| 101 | |
| 102 | /** @inheritDoc */ |
| 103 | public function decodeElectionRow( $row ) { |
| 104 | // @phan-suppress-previous-line PhanPluginNeverReturnMethod LSP violation |
| 105 | throw new LogicException( |
| 106 | 'Internal error: attempt to use decodeElectionRow() with ' . |
| 107 | 'a storage class that doesn\'t support it.' |
| 108 | ); |
| 109 | } |
| 110 | |
| 111 | /** @inheritDoc */ |
| 112 | public function getDB( $index = DB_PRIMARY ) { |
| 113 | // @phan-suppress-previous-line PhanPluginNeverReturnMethod LSP violation |
| 114 | throw new LogicException( |
| 115 | 'Internal error: attempt to use getDB() when the database is disabled.' |
| 116 | ); |
| 117 | } |
| 118 | |
| 119 | /** @inheritDoc */ |
| 120 | public function callbackValidVotes( $electionId, $callback, $voterId = null ) { |
| 121 | if ( !isset( $this->votes[$electionId] ) ) { |
| 122 | return Status::newGood(); |
| 123 | } |
| 124 | |
| 125 | // T288366 Tallies fail on beta/prod with little visibility |
| 126 | // Add logging to gain more context into where it fails |
| 127 | LoggerFactory::getInstance( 'AdHocDebug' )->info( |
| 128 | 'Adding votes to election', |
| 129 | [ |
| 130 | 'electionId' => $electionId, |
| 131 | 'voteCount' => count( $this->votes[$electionId] ), |
| 132 | ] |
| 133 | ); |
| 134 | |
| 135 | foreach ( $this->votes[$electionId] as $i => $vote ) { |
| 136 | $status = $callback( $this, $vote ); |
| 137 | if ( !$status->isOK() ) { |
| 138 | return $status; |
| 139 | } |
| 140 | |
| 141 | if ( $i % 5 === 0 ) { |
| 142 | // T288366 Tallies fail on beta/prod with little visibility |
| 143 | // Add logging to gain more context into where it fails |
| 144 | LoggerFactory::getInstance( 'AdHocDebug' )->info( |
| 145 | 'Batch addRecord() currently in progress', |
| 146 | [ |
| 147 | 'electionId' => $electionId, |
| 148 | 'currentVoteIndex' => $i, |
| 149 | ] |
| 150 | ); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | return Status::newGood(); |
| 155 | } |
| 156 | |
| 157 | /** @inheritDoc */ |
| 158 | public function getEntityType( $id ) { |
| 159 | return isset( $this->entityInfo[$id] ) ? $this->entityInfo[$id]['type'] : false; |
| 160 | } |
| 161 | } |