MediaWiki  master
ChangesFeed.php
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1 <?php
25 
31 class ChangesFeed {
32  private $format;
33 
37  public function __construct( $format ) {
38  $this->format = $format;
39  }
40 
49  public function getFeedObject( $title, $description, $url ) {
51 
52  if ( !isset( $wgFeedClasses[$this->format] ) ) {
53  return false;
54  }
55 
56  if ( !array_key_exists( $this->format, $wgFeedClasses ) ) {
57  // falling back to atom
58  $this->format = 'atom';
59  }
60 
61  $feedTitle = "$wgSitename - {$title} [$wgLanguageCode]";
62  return new $wgFeedClasses[$this->format](
63  $feedTitle, htmlspecialchars( $description ), $url );
64  }
65 
71  public static function buildItems( $rows ) {
72  $items = [];
73 
74  # Merge adjacent edits by one user
75  $sorted = [];
76  $n = 0;
77  foreach ( $rows as $obj ) {
78  if ( $obj->rc_type == RC_EXTERNAL ) {
79  continue;
80  }
81 
82  if ( $n > 0 &&
83  $obj->rc_type == RC_EDIT &&
84  $obj->rc_namespace >= 0 &&
85  $obj->rc_cur_id == $sorted[$n - 1]->rc_cur_id &&
86  $obj->rc_user_text == $sorted[$n - 1]->rc_user_text ) {
87  $sorted[$n - 1]->rc_last_oldid = $obj->rc_last_oldid;
88  } else {
89  $sorted[$n] = $obj;
90  $n++;
91  }
92  }
93 
94  $nsInfo = MediaWikiServices::getInstance()->getNamespaceInfo();
95  foreach ( $sorted as $obj ) {
96  $title = Title::makeTitle( $obj->rc_namespace, $obj->rc_title );
97  $talkpage = $nsInfo->hasTalkNamespace( $obj->rc_namespace ) && $title->canExist()
98  ? $title->getTalkPage()->getFullURL()
99  : '';
100 
101  // Skip items with deleted content (avoids partially complete/inconsistent output)
102  if ( $obj->rc_deleted ) {
103  continue;
104  }
105 
106  if ( $obj->rc_this_oldid ) {
107  $url = $title->getFullURL( [
108  'diff' => $obj->rc_this_oldid,
109  'oldid' => $obj->rc_last_oldid,
110  ] );
111  } else {
112  // log entry or something like that.
113  $url = $title->getFullURL();
114  }
115 
116  $items[] = new FeedItem(
117  $title->getPrefixedText(),
118  FeedUtils::formatDiff( $obj ),
119  $url,
120  $obj->rc_timestamp,
121  ( $obj->rc_deleted & RevisionRecord::DELETED_USER )
122  ? wfMessage( 'rev-deleted-user' )->escaped() : $obj->rc_user_text,
123  $talkpage
124  );
125  }
126 
127  return $items;
128  }
129 }
$wgSitename
Name of the site.
__construct( $format)
Definition: ChangesFeed.php:37
Feed to Special:RecentChanges and Special:RecentChangesLinked.
Definition: ChangesFeed.php:31
getFeedObject( $title, $description, $url)
Get a ChannelFeed subclass object to use.
Definition: ChangesFeed.php:49
$wgLanguageCode
Site language code.
A base class for outputting syndication feeds (e.g.
Definition: FeedItem.php:33
static makeTitle( $ns, $title, $fragment='', $interwiki='')
Create a new Title from a namespace index and a DB key.
Definition: Title.php:584
static formatDiff( $row)
Format a diff for the newsfeed.
Definition: FeedUtils.php:62
const RC_EXTERNAL
Definition: Defines.php:125
wfMessage( $key,... $params)
This is the function for getting translated interface messages.
static buildItems( $rows)
Generate the feed items given a row from the database.
Definition: ChangesFeed.php:71
const RC_EDIT
Definition: Defines.php:122
$wgFeedClasses
Available feeds objects.