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| 1 | <?php |
| 2 | |
| 3 | namespace ProofreadPage\Page; |
| 4 | |
| 5 | use MediaWiki\Content\Content; |
| 6 | use MediaWiki\Context\IContextSource; |
| 7 | use MediaWiki\Html\Html; |
| 8 | use ProofreadPage\DiffFormatterUtils; |
| 9 | use SlotDiffRenderer; |
| 10 | |
| 11 | /** |
| 12 | * SlotDiffRenderer for Page: pages content model |
| 13 | */ |
| 14 | class PageSlotDiffRenderer extends SlotDiffRenderer { |
| 15 | |
| 16 | /** |
| 17 | * @var IContextSource |
| 18 | */ |
| 19 | private $context; |
| 20 | |
| 21 | /** |
| 22 | * @var DiffFormatterUtils |
| 23 | */ |
| 24 | private $diffFormatterUtils; |
| 25 | |
| 26 | /** |
| 27 | * @param IContextSource $context |
| 28 | */ |
| 29 | public function __construct( IContextSource $context ) { |
| 30 | $this->context = $context; |
| 31 | $this->diffFormatterUtils = new DiffFormatterUtils(); |
| 32 | } |
| 33 | |
| 34 | /** @inheritDoc */ |
| 35 | public function getExtraCacheKeys() { |
| 36 | return [ |
| 37 | // required because the diff view contains localized strings such |
| 38 | // as the section headers |
| 39 | $this->context->getLanguage()->getCode() |
| 40 | ]; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * @param PageContent|null $oldContent |
| 45 | * @param PageContent|null $newContent |
| 46 | * @return string |
| 47 | * @suppress PhanParamSignatureMismatch Intentional mismatching Content |
| 48 | */ |
| 49 | public function getDiff( ?Content $oldContent = null, ?Content $newContent = null ) { |
| 50 | $this->normalizeContents( $oldContent, $newContent, PageContent::class ); |
| 51 | |
| 52 | return $this->createLevelDiffs( |
| 53 | $oldContent->getLevel(), $newContent->getLevel() |
| 54 | ) . $this->createTextDiffOutput( |
| 55 | $oldContent->getHeader(), $newContent->getHeader(), 'proofreadpage_header' |
| 56 | ) . $this->createTextDiffOutput( |
| 57 | $oldContent->getBody(), $newContent->getBody(), 'proofreadpage_body' |
| 58 | ) . $this->createTextDiffOutput( |
| 59 | $oldContent->getFooter(), $newContent->getFooter(), 'proofreadpage_footer' |
| 60 | ); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Create the diffs for a PageLevel |
| 65 | * |
| 66 | * @param PageLevel $old |
| 67 | * @param PageLevel $new |
| 68 | * @return string |
| 69 | */ |
| 70 | private function createLevelDiffs( PageLevel $old, PageLevel $new ) { |
| 71 | if ( $old->equals( $new ) ) { |
| 72 | return ''; |
| 73 | } |
| 74 | |
| 75 | return $this->diffFormatterUtils->createHeader( |
| 76 | $this->context->msg( 'proofreadpage_page_status' )->parse() |
| 77 | ) . Html::openElement( 'tr' ) . $this->diffFormatterUtils->createDeletedLine( |
| 78 | $this->context->msg( $old->getLevelCategoryKey() )->plain() |
| 79 | ) . $this->diffFormatterUtils->createAddedLine( |
| 80 | $this->context->msg( $new->getLevelCategoryKey() )->plain() |
| 81 | ) . Html::closeElement( 'tr' ); |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Create the diffs for a textual content |
| 86 | * |
| 87 | * @param Content $oldContent |
| 88 | * @param Content $newContent |
| 89 | * @param string $headerMsg the message to use for header |
| 90 | * @return string |
| 91 | */ |
| 92 | private function createTextDiffOutput( Content $oldContent, Content $newContent, $headerMsg ) { |
| 93 | $diffRenderer = $newContent->getContentHandler()->getSlotDiffRenderer( $this->context ); |
| 94 | $diff = $diffRenderer->getDiff( $oldContent, $newContent ); |
| 95 | if ( $diff === '' ) { |
| 96 | return ''; |
| 97 | } |
| 98 | |
| 99 | return $this->diffFormatterUtils->createHeader( $this->context->msg( $headerMsg )->escaped() ) . |
| 100 | $diff; |
| 101 | } |
| 102 | } |