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| 1 | <?php |
| 2 | |
| 3 | namespace FileImporter\Services; |
| 4 | |
| 5 | use FileImporter\Data\FileRevision; |
| 6 | use MediaWiki\FileRepo\File\File; |
| 7 | use MediaWiki\FileRepo\FileRepo; |
| 8 | |
| 9 | /** |
| 10 | * Class that can be used to check if a FileRevision already exists on the current wiki. |
| 11 | * Only current / latest and non deleted files are checked. |
| 12 | * |
| 13 | * @license GPL-2.0-or-later |
| 14 | * @author Addshore |
| 15 | */ |
| 16 | class DuplicateFileRevisionChecker { |
| 17 | |
| 18 | public function __construct( |
| 19 | private readonly FileRepo $fileRepo, |
| 20 | ) { |
| 21 | } |
| 22 | |
| 23 | /** |
| 24 | * @return File[] array of matched files |
| 25 | */ |
| 26 | public function findDuplicates( FileRevision $fileRevision ) { |
| 27 | $sha1 = $fileRevision->getField( 'sha1' ); |
| 28 | if ( !$sha1 ) { |
| 29 | return []; |
| 30 | } |
| 31 | |
| 32 | $files = $this->fileRepo->findBySha1( $sha1 ); |
| 33 | $files = $this->removeIgnoredFiles( $files ); |
| 34 | |
| 35 | return $files; |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * This removed removes files that are either old or deleted. |
| 40 | * |
| 41 | * @param File[] $files |
| 42 | * |
| 43 | * @return File[] |
| 44 | */ |
| 45 | private function removeIgnoredFiles( array $files ) { |
| 46 | $wantedFiles = []; |
| 47 | |
| 48 | foreach ( $files as $file ) { |
| 49 | if ( |
| 50 | $file->isOld() || |
| 51 | $file->isDeleted( File::DELETED_FILE ) |
| 52 | ) { |
| 53 | continue; |
| 54 | } |
| 55 | $wantedFiles[] = $file; |
| 56 | } |
| 57 | |
| 58 | return $wantedFiles; |
| 59 | } |
| 60 | |
| 61 | } |