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| 1 | <?php |
| 2 | |
| 3 | namespace Wikibase\Lexeme\Domain\Merge; |
| 4 | |
| 5 | use Exception; |
| 6 | use Wikibase\Lexeme\Domain\Merge\Exceptions\ConflictingLemmaValueException; |
| 7 | use Wikibase\Lexeme\Domain\Merge\Exceptions\CrossReferencingException; |
| 8 | use Wikibase\Lexeme\Domain\Merge\Exceptions\DifferentLanguagesException; |
| 9 | use Wikibase\Lexeme\Domain\Merge\Exceptions\DifferentLexicalCategoriesException; |
| 10 | use Wikibase\Lexeme\Domain\Merge\Exceptions\MergingException; |
| 11 | use Wikibase\Lexeme\Domain\Merge\Exceptions\ModificationFailedException; |
| 12 | use Wikibase\Lexeme\Domain\Merge\Exceptions\ReferenceSameLexemeException; |
| 13 | use Wikibase\Lexeme\Domain\Merge\Validator\NoConflictingTermListValues; |
| 14 | use Wikibase\Lexeme\Domain\Model\Lexeme; |
| 15 | use Wikibase\Repo\Merge\StatementsMerger; |
| 16 | |
| 17 | /** |
| 18 | * @license GPL-2.0-or-later |
| 19 | */ |
| 20 | class LexemeMerger { |
| 21 | |
| 22 | /** |
| 23 | * @var StatementsMerger |
| 24 | */ |
| 25 | private $statementsMerger; |
| 26 | |
| 27 | /** |
| 28 | * @var LexemeFormsMerger |
| 29 | */ |
| 30 | private $formsMerger; |
| 31 | |
| 32 | /** |
| 33 | * @var LexemeSensesMerger |
| 34 | */ |
| 35 | private $sensesMerger; |
| 36 | |
| 37 | /** |
| 38 | * @var NoCrossReferencingLexemeStatements |
| 39 | */ |
| 40 | private $noCrossReferencingLexemeStatementsValidator; |
| 41 | |
| 42 | public function __construct( |
| 43 | StatementsMerger $statementsMerger, |
| 44 | LexemeFormsMerger $formsMerger, |
| 45 | LexemeSensesMerger $sensesMerger, |
| 46 | NoCrossReferencingLexemeStatements $noCrossReferencingLexemeStatementsValidator |
| 47 | ) { |
| 48 | $this->statementsMerger = $statementsMerger; |
| 49 | $this->formsMerger = $formsMerger; |
| 50 | $this->sensesMerger = $sensesMerger; |
| 51 | $this->noCrossReferencingLexemeStatementsValidator = $noCrossReferencingLexemeStatementsValidator; |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * @param Lexeme $source |
| 56 | * @param Lexeme $target Will be modified by reference |
| 57 | */ |
| 58 | public function merge( Lexeme $source, Lexeme $target ) { |
| 59 | $this->validate( $source, $target ); |
| 60 | |
| 61 | $target->getLemmas()->addAll( $source->getLemmas() ); |
| 62 | |
| 63 | try { |
| 64 | $this->formsMerger->merge( $source, $target ); |
| 65 | $this->sensesMerger->merge( $source, $target ); |
| 66 | $this->statementsMerger->merge( $source, $target ); |
| 67 | } catch ( MergingException $e ) { |
| 68 | throw $e; |
| 69 | } catch ( Exception $e ) { |
| 70 | throw new ModificationFailedException( '', 0, $e ); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | private function validate( Lexeme $source, Lexeme $target ) { |
| 75 | if ( $source->getId()->equals( $target->getId() ) ) { |
| 76 | throw new ReferenceSameLexemeException(); |
| 77 | } |
| 78 | |
| 79 | if ( !$source->getLanguage()->equals( $target->getLanguage() ) ) { |
| 80 | throw new DifferentLanguagesException(); |
| 81 | } |
| 82 | |
| 83 | if ( !$source->getLexicalCategory()->equals( $target->getLexicalCategory() ) ) { |
| 84 | throw new DifferentLexicalCategoriesException(); |
| 85 | } |
| 86 | |
| 87 | $conflictingTermListValues = new NoConflictingTermListValues(); |
| 88 | if ( !$conflictingTermListValues->validate( $source->getLemmas(), $target->getLemmas() ) ) { |
| 89 | throw new ConflictingLemmaValueException(); |
| 90 | } |
| 91 | |
| 92 | if ( !$this->noCrossReferencingLexemeStatementsValidator->validate( $source, $target ) ) { |
| 93 | throw new CrossReferencingException(); |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | } |