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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\GoogleNewsSitemap; |
| 4 | |
| 5 | use MediaWiki\Feed\ChannelFeed; |
| 6 | use MediaWiki\Feed\FeedItem; |
| 7 | use UnexpectedValueException; |
| 8 | use XMLWriter; |
| 9 | |
| 10 | class SitemapFeed extends ChannelFeed { |
| 11 | private $writer; |
| 12 | private $publicationName; |
| 13 | private $publicationLang; |
| 14 | |
| 15 | public function __construct() { |
| 16 | global $wgSitename, $wgLanguageCode; |
| 17 | |
| 18 | $this->writer = new XMLWriter(); |
| 19 | $this->publicationName = $wgSitename; |
| 20 | $this->publicationLang = $wgLanguageCode; |
| 21 | } |
| 22 | |
| 23 | /** |
| 24 | * Set the publication language code. Only used if different from |
| 25 | * $wgLanguageCode, which could happen if Google disagrees with us |
| 26 | * on say what code zh gets. |
| 27 | * @param string $lang Language code (like en) |
| 28 | */ |
| 29 | public function setPublicationLang( $lang ) { |
| 30 | $this->publicationLang = $lang; |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * Set the publication name. Normally $wgSitename, but could |
| 35 | * need to be changed, if Google gives the publication a different |
| 36 | * name then $wgSitename. |
| 37 | * @param string $name The name of the publication |
| 38 | */ |
| 39 | public function setPublicationName( $name ) { |
| 40 | $this->publicationName = $name; |
| 41 | } |
| 42 | |
| 43 | public function contentType() { |
| 44 | return 'application/xml'; |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * Output feed headers. |
| 49 | */ |
| 50 | public function outHeader() { |
| 51 | $this->httpHeaders(); |
| 52 | |
| 53 | $this->writer->openURI( 'php://output' ); |
| 54 | $this->writer->setIndent( true ); |
| 55 | $this->writer->startDocument( '1.0', 'UTF-8' ); |
| 56 | $this->writer->startElement( 'urlset' ); |
| 57 | $this->writer->writeAttribute( 'xmlns', 'http://www.sitemaps.org/schemas/sitemap/0.9' ); |
| 58 | $this->writer->writeAttribute( 'xmlns:news', 'http://www.google.com/schemas/sitemap-news/0.9' ); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Output a SiteMap 0.9 item |
| 63 | * @param FeedItem $item to be output |
| 64 | */ |
| 65 | public function outItem( $item ) { |
| 66 | if ( !( $item instanceof FeedItem ) ) { |
| 67 | throw new UnexpectedValueException( 'Requires a FeedItem or subclass.' ); |
| 68 | } |
| 69 | |
| 70 | if ( !( $item instanceof FeedSMItem ) ) { |
| 71 | $item = FeedSMItem::newFromFeedItem( $item ); |
| 72 | } |
| 73 | |
| 74 | $this->writer->startElement( 'url' ); |
| 75 | |
| 76 | $this->writer->startElement( 'loc' ); |
| 77 | $this->writer->text( $item->getUrl() ); |
| 78 | $this->writer->endElement(); |
| 79 | |
| 80 | $this->writer->startElement( 'news:news' ); |
| 81 | |
| 82 | $this->writer->startElement( 'news:publication_date' ); |
| 83 | $this->writer->text( wfTimestamp( TS_ISO_8601, $item->getDate() ) ); |
| 84 | $this->writer->endElement(); |
| 85 | |
| 86 | $this->writer->startElement( 'news:title' ); |
| 87 | $this->writer->text( $item->getTitle() ); |
| 88 | $this->writer->endElement(); |
| 89 | |
| 90 | $this->writer->startElement( 'news:publication' ); |
| 91 | $this->writer->startElement( 'news:name' ); |
| 92 | $this->writer->text( $this->publicationName ); |
| 93 | $this->writer->endElement(); |
| 94 | $this->writer->startElement( 'news:language' ); |
| 95 | $this->writer->text( $this->publicationLang ); |
| 96 | $this->writer->endElement(); |
| 97 | // @phan-suppress-next-line PhanPluginDuplicateAdjacentStatement |
| 98 | $this->writer->endElement(); |
| 99 | |
| 100 | if ( $item->getKeywords() ) { |
| 101 | $this->writer->startElement( 'news:keywords' ); |
| 102 | $this->writer->text( $item->getKeywords() ); |
| 103 | $this->writer->endElement(); |
| 104 | } |
| 105 | |
| 106 | // end news:news |
| 107 | $this->writer->endElement(); |
| 108 | if ( $item->getLastMod() ) { |
| 109 | $this->writer->startElement( 'lastmod' ); |
| 110 | $this->writer->text( wfTimestamp( TS_ISO_8601, $item->getLastMod() ) ); |
| 111 | $this->writer->endElement(); |
| 112 | } |
| 113 | // end url |
| 114 | $this->writer->endElement(); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Output SiteMap 0.9 footer |
| 119 | */ |
| 120 | public function outFooter() { |
| 121 | $this->writer->endDocument(); |
| 122 | $this->writer->flush(); |
| 123 | } |
| 124 | } |