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| 1 | <?php |
| 2 | /** |
| 3 | * WikiLambda ZObjectContentDifferenceEngine |
| 4 | * |
| 5 | * @file |
| 6 | * @ingroup Extensions |
| 7 | * @copyright 2020– Abstract Wikipedia team; see AUTHORS.txt |
| 8 | * @license MIT |
| 9 | */ |
| 10 | |
| 11 | namespace MediaWiki\Extension\WikiLambda\ZObjectContent; |
| 12 | |
| 13 | use MediaWiki\Content\Content; |
| 14 | use MediaWiki\Diff\DifferenceEngine; |
| 15 | use MediaWiki\Diff\TextSlotDiffRenderer; |
| 16 | |
| 17 | class ZObjectContentDifferenceEngine extends DifferenceEngine { |
| 18 | |
| 19 | /** |
| 20 | * @inheritDoc |
| 21 | */ |
| 22 | public function generateContentDiffBody( Content $oldContent, Content $newContent ) { |
| 23 | if ( !( $oldContent instanceof ZObjectContent && $newContent instanceof ZObjectContent ) ) { |
| 24 | $this->getOutput()->showErrorPage( 'errorpagetitle', 'wikilambda-diff-incompatible' ); |
| 25 | return ''; |
| 26 | } |
| 27 | |
| 28 | // TODO (T284473): Instead of this text diff, generate and return html body of the diff page |
| 29 | // $slotRenderer = new ZObjectSlotDiffRenderer(); |
| 30 | // $diffObject = $slotRenderer->getDiff( $oldContent, $newContent ); |
| 31 | |
| 32 | // HACK (T339348): For now, provide users with the raw JSON diff |
| 33 | $oldText = $oldContent->getText(); |
| 34 | $newText = $newContent->getText(); |
| 35 | |
| 36 | $zObjectContentHandler = $newContent->getContentHandler(); |
| 37 | '@phan-var ZObjectContentHandler $zObjectContentHandler'; |
| 38 | |
| 39 | $slotDiffRenderer = $zObjectContentHandler |
| 40 | ->getSlotDiffRendererWithOptions( $this->getContext() ); |
| 41 | '@phan-var TextSlotDiffRenderer $slotDiffRenderer'; |
| 42 | |
| 43 | return $slotDiffRenderer->getTextDiff( $oldText, $newText ); |
| 44 | } |
| 45 | } |