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| 1 | <?php |
| 2 | |
| 3 | namespace Flow\Import; |
| 4 | |
| 5 | use Flow\Repository\TitleRepository; |
| 6 | use MediaWiki\MediaWikiServices; |
| 7 | use MediaWiki\Title\Title; |
| 8 | |
| 9 | class ArchiveNameHelper { |
| 10 | |
| 11 | /** |
| 12 | * Helper method decides on an archive title based on a set of printf formats. |
| 13 | * Each format should first have a %s for the base page name and a %d for the |
| 14 | * archive page number. Example: |
| 15 | * |
| 16 | * %s/Archive %d |
| 17 | * |
| 18 | * It will iterate through the formats looking for an existing format. If no |
| 19 | * formats are currently in use the first format will be returned with n=1. |
| 20 | * If a format is currently in used we will look for the first unused page |
| 21 | * >= to n=1 and <= to n=20. |
| 22 | * |
| 23 | * @param Title $source |
| 24 | * @param string[] $formats |
| 25 | * @param TitleRepository|null $titleRepo |
| 26 | * @return Title |
| 27 | * @throws ImportException |
| 28 | */ |
| 29 | public function decideArchiveTitle( Title $source, array $formats, TitleRepository $titleRepo = null ) { |
| 30 | $info = self::findLatestArchiveInfo( $source, $formats, $titleRepo ); |
| 31 | $format = $info ? $info['format'] : $formats[0]; |
| 32 | $counter = $info ? $info['counter'] + 1 : 1; |
| 33 | $text = $source->getPrefixedText(); |
| 34 | return Title::newFromText( sprintf( $format, $text, $counter ) ); |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * @param Title $source |
| 39 | * @param string[] $formats |
| 40 | * @param TitleRepository|null $titleRepo |
| 41 | * @return bool|mixed |
| 42 | */ |
| 43 | public function findLatestArchiveTitle( Title $source, array $formats, TitleRepository $titleRepo = null ) { |
| 44 | $info = self::findLatestArchiveInfo( $source, $formats, $titleRepo ); |
| 45 | return $info ? $info['title'] : false; |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * @param Title $source |
| 50 | * @param string[] $formats |
| 51 | * @param TitleRepository|null $titleRepo |
| 52 | * @return bool|array |
| 53 | */ |
| 54 | protected function findLatestArchiveInfo( Title $source, array $formats, TitleRepository $titleRepo = null ) { |
| 55 | $titleRepo ??= new TitleRepository(); |
| 56 | |
| 57 | $format = false; |
| 58 | $text = $source->getPrefixedText(); |
| 59 | $titleFactory = MediaWikiServices::getInstance()->getTitleFactory(); |
| 60 | foreach ( $formats as $potential ) { |
| 61 | $title = $titleFactory->newFromText( sprintf( $potential, $text, 1 ) ); |
| 62 | if ( $title && $titleRepo->exists( $title ) ) { |
| 63 | $format = $potential; |
| 64 | break; |
| 65 | } |
| 66 | } |
| 67 | if ( $format === false ) { |
| 68 | // no archive page matches any format |
| 69 | return false; |
| 70 | } |
| 71 | |
| 72 | $latestArchiveInfo = false; |
| 73 | for ( $n = 1; $n <= 20; ++$n ) { |
| 74 | $title = Title::newFromText( sprintf( $format, $text, $n ) ); |
| 75 | if ( !$title || !$titleRepo->exists( $title ) ) { |
| 76 | break; |
| 77 | } |
| 78 | $latestArchiveInfo = [ |
| 79 | 'title' => $title, |
| 80 | 'format' => $format, |
| 81 | 'counter' => $n |
| 82 | ]; |
| 83 | } |
| 84 | return $latestArchiveInfo; |
| 85 | } |
| 86 | |
| 87 | } |