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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\Wikistories; |
| 4 | |
| 5 | use FormatJson; |
| 6 | use LogicException; |
| 7 | |
| 8 | class StoryConverter { |
| 9 | |
| 10 | /** |
| 11 | * @param StoryContent $story |
| 12 | * @return StoryContent New instance migrated to the latest version of the schema |
| 13 | */ |
| 14 | private function fromV0( StoryContent $story ): StoryContent { |
| 15 | return new StoryContent( FormatJson::encode( [ |
| 16 | 'fromArticle' => $story->getFromArticle(), |
| 17 | 'articleId' => $story->getArticleId(), |
| 18 | 'frames' => array_map( static function ( $f ) { |
| 19 | $parts = explode( '/', parse_url( $f->img, PHP_URL_PATH ) ); |
| 20 | $filename = preg_replace( '/^\d+px\-/', '', urldecode( end( $parts ) ) ); |
| 21 | return [ |
| 22 | 'image' => [ |
| 23 | 'filename' => $filename, |
| 24 | ], |
| 25 | 'text' => [ |
| 26 | 'value' => $f->text |
| 27 | ] |
| 28 | ]; |
| 29 | }, $story->getFrames() ) |
| 30 | ] ) ); |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * @param StoryContent $story Story to convert to latest version |
| 35 | * @return StoryContent converted story or same instance if already at latest version |
| 36 | */ |
| 37 | public function toLatest( StoryContent $story ): StoryContent { |
| 38 | if ( $story->getSchemaVersion() === 0 ) { |
| 39 | return $this->fromV0( $story ); |
| 40 | } |
| 41 | if ( $story->isLatestVersion() ) { |
| 42 | return $story; |
| 43 | } |
| 44 | throw new LogicException( 'Unknown schema version: ' . $story->getSchemaVersion() ); |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * @param StoryContent $story |
| 49 | * @return StoryContent New instance with the latest schema version set |
| 50 | * or the same instance if the version is already set |
| 51 | */ |
| 52 | public function withSchemaVersion( StoryContent $story ): StoryContent { |
| 53 | if ( $story->isLatestVersion() ) { |
| 54 | return $story; |
| 55 | } |
| 56 | $content = $story->getData()->getValue(); |
| 57 | $content->schemaVersion = StoryContent::SCHEMA_VERSION; |
| 58 | return new StoryContent( FormatJson::encode( $content ) ); |
| 59 | } |
| 60 | } |