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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 | } |