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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\GoogleNewsSitemap; |
| 4 | |
| 5 | use ApiMain; |
| 6 | use InvalidArgumentException; |
| 7 | use LogicException; |
| 8 | use MediaWiki\Feed\FeedItem; |
| 9 | use MediaWiki\Request\FauxRequest; |
| 10 | use MediaWiki\Title\Title; |
| 11 | |
| 12 | /** |
| 13 | * FeedSMItem Class |
| 14 | * |
| 15 | * Base class for basic SiteMap support, for building url containers. |
| 16 | */ |
| 17 | class FeedSMItem extends FeedItem { |
| 18 | |
| 19 | private $keywords = []; |
| 20 | |
| 21 | /** |
| 22 | * @var Title |
| 23 | */ |
| 24 | private $titleObj; |
| 25 | |
| 26 | /** |
| 27 | * @param Title $title Title object that this entry is for. |
| 28 | * @param string $pubDate Publish date formattable by wfTimestamp. |
| 29 | * @param string[] $keywords list of keywords |
| 30 | * @param bool|int $comment Namespace containing comments page for entry. |
| 31 | * True for the corresponding talk page of $title |
| 32 | * False for none |
| 33 | * An integer for the page name of $title in the specific namespace denoted by that integer. |
| 34 | */ |
| 35 | public function __construct( $title, $pubDate, $keywords = [], $comment = true ) { |
| 36 | if ( !$title || !$title instanceof Title ) { |
| 37 | // Paranoia |
| 38 | throw new InvalidArgumentException( 'Invalid title object passed to FeedSMItem' ); |
| 39 | } |
| 40 | |
| 41 | $commentsURL = ''; |
| 42 | if ( $comment === true && $title->canHaveTalkPage() ) { |
| 43 | // The comment ns is this article's talk namespace. |
| 44 | $commentsURL = $title->getTalkPage()->getCanonicalURL(); |
| 45 | } elseif ( is_int( $comment ) ) { |
| 46 | // There's a specific comments namespace. |
| 47 | $commentsTitle = Title::makeTitle( $comment, $title->getDBkey() ); |
| 48 | if ( $commentsTitle ) { |
| 49 | $commentsURL = $commentsTitle->getCanonicalURL(); |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | $this->keywords = $keywords; |
| 54 | $this->titleObj = $title; |
| 55 | |
| 56 | parent::__construct( |
| 57 | $title->getText(), |
| 58 | '', /* Description */ |
| 59 | $title->getCanonicalURL(), |
| 60 | $pubDate, |
| 61 | '', /* Author */ |
| 62 | $commentsURL |
| 63 | ); |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Convert a FeedItem to an FeedSMItem. |
| 68 | * This is to make sitemap feed get along with normal MediaWiki feeds. |
| 69 | * @param FeedItem $item Original item. |
| 70 | * @return FeedSMItem Converted item. |
| 71 | */ |
| 72 | public static function newFromFeedItem( FeedItem $item ) { |
| 73 | // @todo FIXME: This is borked (esp. on history), but better than a fatal (not by much). |
| 74 | // maybe try and get title from url? |
| 75 | $title = Title::newFromText( $item->getTitle() ); |
| 76 | if ( !$title ) { |
| 77 | throw new LogicException( 'Error getting title object from string in FeedItem.' ); |
| 78 | } |
| 79 | $date = $item->getDate(); |
| 80 | return new FeedSMItem( $title, $date ); |
| 81 | } |
| 82 | |
| 83 | public function getLastMod() { |
| 84 | return $this->titleObj->getTouched(); |
| 85 | } |
| 86 | |
| 87 | public function getKeywords() { |
| 88 | // Note, not using Language::commaList(), as this is for |
| 89 | // computers not humans, so we don't want to vary with |
| 90 | // language conventions. |
| 91 | return $this->xmlEncode( implode( ', ', $this->keywords ) ); |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Overrides parent class. Meant to be used in rss feed. |
| 96 | * Currently return the article, its debatable if thats a good idea |
| 97 | * or not, but not sure of what better to do. Could regex the wikitext |
| 98 | * and try to return the first paragraph, but thats iffy. |
| 99 | * |
| 100 | * Note, this is only called by the atom/rss feed output, not by |
| 101 | * the sitemap output. |
| 102 | * @return string |
| 103 | */ |
| 104 | public function getDescription() { |
| 105 | // This is probably rather inefficient to do for several pages |
| 106 | // but not much worse than the rest of this extension. |
| 107 | |
| 108 | $result = ''; |
| 109 | $req = new FauxRequest( [ |
| 110 | 'action' => 'parse', |
| 111 | 'page' => $this->titleObj->getPrefixedDBKey(), |
| 112 | 'prop' => 'text', |
| 113 | ] ); |
| 114 | $main = new ApiMain( $req ); |
| 115 | $main->execute(); |
| 116 | $data = $main->getResult()->getResultData( null, [ 'BC' => [] ] ); |
| 117 | |
| 118 | if ( isset( $data['parse']['text']['*'] ) ) { |
| 119 | $result = $this->xmlEncode( |
| 120 | $data['parse']['text']['*'] |
| 121 | ); |
| 122 | } |
| 123 | return $result; |
| 124 | } |
| 125 | } |