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| 1 | <?php |
| 2 | |
| 3 | namespace WikibaseQuality\ConstraintReport\ConstraintCheck\Helper; |
| 4 | |
| 5 | use Wikibase\DataModel\Entity\EntityId; |
| 6 | use Wikibase\DataModel\Entity\EntityIdValue; |
| 7 | use Wikibase\DataModel\Entity\PropertyId; |
| 8 | use Wikibase\DataModel\Snak\PropertyValueSnak; |
| 9 | use Wikibase\DataModel\Statement\Statement; |
| 10 | use Wikibase\DataModel\Statement\StatementList; |
| 11 | use WikibaseQuality\ConstraintReport\ConstraintCheck\ItemIdSnakValue; |
| 12 | |
| 13 | /** |
| 14 | * Class for helper functions for the connection checkers. |
| 15 | * |
| 16 | * @author BP2014N1 |
| 17 | * @license GPL-2.0-or-later |
| 18 | */ |
| 19 | class ConnectionCheckerHelper { |
| 20 | |
| 21 | /** |
| 22 | * Finds a statement with the given property ID. |
| 23 | * |
| 24 | * @param StatementList $statementList |
| 25 | * @param PropertyId $propertyId |
| 26 | * |
| 27 | * @return Statement|null |
| 28 | */ |
| 29 | public function findStatementWithProperty( |
| 30 | StatementList $statementList, |
| 31 | PropertyId $propertyId |
| 32 | ) { |
| 33 | $statementListByPropertyId = $statementList->getByPropertyId( $propertyId ); |
| 34 | if ( $statementListByPropertyId->isEmpty() ) { |
| 35 | return null; |
| 36 | } else { |
| 37 | return $statementListByPropertyId->toArray()[0]; |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | /** |
| 42 | * Finds a statement with the given property ID and entity ID value. |
| 43 | * |
| 44 | * @param StatementList $statementList |
| 45 | * @param PropertyId $propertyId |
| 46 | * @param EntityId $value |
| 47 | * |
| 48 | * @return Statement|null |
| 49 | */ |
| 50 | public function findStatementWithPropertyAndEntityIdValue( |
| 51 | StatementList $statementList, |
| 52 | PropertyId $propertyId, |
| 53 | EntityId $value |
| 54 | ) { |
| 55 | $statementListByPropertyId = $statementList->getByPropertyId( $propertyId ); |
| 56 | /** @var Statement $statement */ |
| 57 | foreach ( $statementListByPropertyId as $statement ) { |
| 58 | $snak = $statement->getMainSnak(); |
| 59 | if ( $snak instanceof PropertyValueSnak ) { |
| 60 | $dataValue = $snak->getDataValue(); |
| 61 | if ( $dataValue instanceof EntityIdValue && |
| 62 | $dataValue->getEntityId()->equals( $value ) |
| 63 | ) { |
| 64 | return $statement; |
| 65 | } |
| 66 | } |
| 67 | } |
| 68 | return null; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Finds a statement with the given property ID and one of the given item ID snak values. |
| 73 | * |
| 74 | * @param StatementList $statementList |
| 75 | * @param PropertyId $propertyId |
| 76 | * @param ItemIdSnakValue[] $values |
| 77 | * |
| 78 | * @return Statement|null |
| 79 | */ |
| 80 | public function findStatementWithPropertyAndItemIdSnakValues( |
| 81 | StatementList $statementList, |
| 82 | PropertyId $propertyId, |
| 83 | array $values |
| 84 | ) { |
| 85 | $statementListByPropertyId = $statementList->getByPropertyId( $propertyId ); |
| 86 | /** @var Statement $statement */ |
| 87 | foreach ( $statementListByPropertyId as $statement ) { |
| 88 | $snak = $statement->getMainSnak(); |
| 89 | foreach ( $values as $value ) { |
| 90 | if ( $value->matchesSnak( $snak ) ) { |
| 91 | return $statement; |
| 92 | } |
| 93 | } |
| 94 | } |
| 95 | return null; |
| 96 | } |
| 97 | |
| 98 | } |