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| 1 | <?php |
| 2 | |
| 3 | namespace ProofreadPage\Page; |
| 4 | |
| 5 | use ProofreadPage\Tags; |
| 6 | use RecentChange; |
| 7 | |
| 8 | class PageRevisionTagger { |
| 9 | |
| 10 | /** |
| 11 | * Get the tags for a given recent change |
| 12 | * @param RecentChange $rc the recent change |
| 13 | * @return array array of tags |
| 14 | */ |
| 15 | public function getTagsForChange( RecentChange $rc ): array { |
| 16 | $newId = $rc->getAttribute( 'rc_this_oldid' ); |
| 17 | $oldId = $rc->getAttribute( 'rc_last_oldid' ); |
| 18 | |
| 19 | return $this->getTagsForIds( $oldId, $newId ); |
| 20 | } |
| 21 | |
| 22 | /** |
| 23 | * Get the tags for a given revision ID. |
| 24 | * @param int $oldId parent rev ID of the change (0 if new page or don't need |
| 25 | * to compare with the previous rev) |
| 26 | * @param int $newId rev ID of the change |
| 27 | * @return array array of tags |
| 28 | */ |
| 29 | public function getTagsForIds( int $oldId, int $newId ): array { |
| 30 | $tags = []; |
| 31 | $newPageContent = PageContent::getContentForRevId( $newId ); |
| 32 | |
| 33 | // this is not ProofreadPage content |
| 34 | if ( !( $newPageContent instanceof PageContent ) ) { |
| 35 | return []; |
| 36 | } |
| 37 | |
| 38 | $newLevel = $newPageContent->getLevel(); |
| 39 | $newLevelTag = Tags::getTagForPageLevel( $newLevel ); |
| 40 | |
| 41 | // couldn't find a suitable new tag for the page |
| 42 | if ( $newLevelTag === null ) { |
| 43 | return []; |
| 44 | } |
| 45 | |
| 46 | if ( $oldId !== 0 ) { |
| 47 | $oldPageContent = PageContent::getContentForRevId( $oldId ); |
| 48 | |
| 49 | # if the page has had its content model changed to PRP page |
| 50 | # or it was already a PRP page, but the status changed |
| 51 | if ( !( $oldPageContent instanceof PageContent ) |
| 52 | || !$oldPageContent->getLevel()->equals( $newLevel ) ) { |
| 53 | $tags[] = $newLevelTag; |
| 54 | } |
| 55 | } else { |
| 56 | // new page - always tag with the initial level |
| 57 | $tags[] = $newLevelTag; |
| 58 | } |
| 59 | return $tags; |
| 60 | } |
| 61 | } |