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| 1 | <?php |
| 2 | |
| 3 | namespace Wikibase\Lexeme\DataAccess\Store; |
| 4 | |
| 5 | use LogicException; |
| 6 | use stdClass; |
| 7 | use Wikibase\DataModel\Entity\EntityId; |
| 8 | use Wikibase\Lexeme\Domain\Model\LexemeSubEntityId; |
| 9 | use Wikibase\Lib\Store\LookupConstants; |
| 10 | use Wikibase\Lib\Store\Sql\WikiPageEntityMetaDataAccessor; |
| 11 | |
| 12 | /** |
| 13 | * An Accessor for SubEntities that uses the supplied Accessor to look up |
| 14 | * the Lexeme's MetaData. Only loadLatestRevisionIds and loadRevisionInformation |
| 15 | * are currently implemented |
| 16 | * |
| 17 | * @license GPL-2.0-or-later |
| 18 | */ |
| 19 | class MediaWikiPageSubEntityMetaDataAccessor implements WikiPageEntityMetaDataAccessor { |
| 20 | |
| 21 | private WikiPageEntityMetaDataAccessor $wikiPageEntityMetaDataLookup; |
| 22 | |
| 23 | public function __construct( WikiPageEntityMetaDataAccessor $entityMetaDataAccessor ) { |
| 24 | $this->wikiPageEntityMetaDataLookup = $entityMetaDataAccessor; |
| 25 | } |
| 26 | |
| 27 | /** |
| 28 | * Loads revision information of entities that given ids of sub-entities (forms or senses) |
| 29 | * belong. |
| 30 | * |
| 31 | * @param EntityId[] $entityIds values must be instances of {@link LexemeSubEntityId} |
| 32 | * @param string $mode (LookupConstants::LATEST_FROM_REPLICA, |
| 33 | * LookupConstants::LATEST_FROM_REPLICA_WITH_FALLBACK or |
| 34 | * LookupConstants::LATEST_FROM_MASTER) |
| 35 | * |
| 36 | * @return (stdClass|bool)[] Array mapping entity ID serializations to either objects |
| 37 | * or false if an entity could not be found. |
| 38 | * |
| 39 | * @throws LogicException if some entity id in $entityIds is not instance of |
| 40 | * {@link LexemeSubEntityId} |
| 41 | */ |
| 42 | public function loadRevisionInformation( array $entityIds, $mode ) { |
| 43 | $subEntityIds = []; |
| 44 | foreach ( $entityIds as $key => $entityId ) { |
| 45 | if ( $entityId instanceof LexemeSubEntityId ) { |
| 46 | $subEntityIds[] = $entityId; |
| 47 | $entityIds[$key] = $entityId->getLexemeId(); |
| 48 | } else { |
| 49 | throw new LogicException( |
| 50 | $entityId->getSerialization() . ' is not instance of ' . LexemeSubEntityId::class ); |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | $entitiesRevisionInfo = $this->wikiPageEntityMetaDataLookup->loadRevisionInformation( |
| 55 | $entityIds, |
| 56 | $mode |
| 57 | ); |
| 58 | |
| 59 | $subEntitiesRevisionInformation = []; |
| 60 | /** @var LexemeSubEntityId $subEntityId */ |
| 61 | foreach ( $subEntityIds as $subEntityId ) { |
| 62 | $subEntityIdString = $subEntityId->getSerialization(); |
| 63 | $lexemeIdString = $subEntityId->getLexemeId()->getSerialization(); |
| 64 | $subEntitiesRevisionInformation[ $subEntityIdString ] = $entitiesRevisionInfo[ $lexemeIdString ]; |
| 65 | } |
| 66 | |
| 67 | return $subEntitiesRevisionInformation; |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Not implemented |
| 72 | * |
| 73 | * @param EntityId $entityId |
| 74 | * @param int $revisionId Revision id to fetch data about, must be an integer greater than 0. |
| 75 | * @param string $mode (LookupConstants::LATEST_FROM_REPLICA, |
| 76 | * LookupConstants::LATEST_FROM_REPLICA_WITH_FALLBACK or |
| 77 | * LookupConstants::LATEST_FROM_MASTER). |
| 78 | * |
| 79 | * @return never |
| 80 | */ |
| 81 | public function loadRevisionInformationByRevisionId( EntityId $entityId, |
| 82 | $revisionId, |
| 83 | $mode = LookupConstants::LATEST_FROM_MASTER ) { |
| 84 | throw new LogicException( 'Not Implemented' ); |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Looks up the latest revision ID(s) for the given entityId(s). |
| 89 | * Returns an array of integer revision IDs using the wrapped |
| 90 | * WikiPageEntityMetaDataLookup |
| 91 | * |
| 92 | * If passed a LexemeSubEntityId then the look up if done on the lexeme |
| 93 | * and the SubEntity row is reinserted into the lookup afterwards. |
| 94 | * |
| 95 | * @param EntityId[] $entityIds |
| 96 | * @param string $mode (LookupConstants::LATEST_FROM_REPLICA, |
| 97 | * LookupConstants::LATEST_FROM_REPLICA_WITH_FALLBACK or |
| 98 | * LookupConstants::LATEST_FROM_MASTER) |
| 99 | * |
| 100 | * @return (int|bool)[] Array mapping entity ID serializations to either revision IDs |
| 101 | * or false if an entity could not be found (including if the page is a redirect). |
| 102 | */ |
| 103 | public function loadLatestRevisionIds( array $entityIds, $mode ): array { |
| 104 | $subEntityIds = []; |
| 105 | foreach ( $entityIds as $key => $entityId ) { |
| 106 | if ( $entityId instanceof LexemeSubEntityId ) { |
| 107 | $subEntityIds[] = $entityId; |
| 108 | $entityIds[$key] = $entityId->getLexemeId(); |
| 109 | } else { |
| 110 | throw new LogicException(); |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | $entityRevisionIds = $this->wikiPageEntityMetaDataLookup->loadLatestRevisionIds( |
| 115 | $entityIds, |
| 116 | $mode |
| 117 | ); |
| 118 | |
| 119 | $subEntitiesRevisionIds = []; |
| 120 | /** @var LexemeSubEntityId $subEntityId */ |
| 121 | foreach ( $subEntityIds as $subEntityId ) { |
| 122 | $subEntityIdString = $subEntityId->getSerialization(); |
| 123 | $lexemeIdString = $subEntityId->getLexemeId()->getSerialization(); |
| 124 | $subEntitiesRevisionIds[ $subEntityIdString ] = $entityRevisionIds[ $lexemeIdString ]; |
| 125 | } |
| 126 | |
| 127 | return $subEntitiesRevisionIds; |
| 128 | } |
| 129 | |
| 130 | } |