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 
72  public static function buildItems( $rows ) {
73  $items = [];
74 
75  # Merge adjacent edits by one user
76  $sorted = [];
77  $n = 0;
78  foreach ( $rows as $obj ) {
79  if ( $obj->rc_type == RC_EXTERNAL ) {
80  continue;
81  }
82 
83  if ( $n > 0 &&
84  $obj->rc_type == RC_EDIT &&
85  $obj->rc_namespace >= 0 &&
86  $obj->rc_cur_id == $sorted[$n - 1]->rc_cur_id &&
87  $obj->rc_user_text == $sorted[$n - 1]->rc_user_text ) {
88  $sorted[$n - 1]->rc_last_oldid = $obj->rc_last_oldid;
89  } else {
90  $sorted[$n] = $obj;
91  $n++;
92  }
93  }
94 
95  $nsInfo = MediaWikiServices::getInstance()->getNamespaceInfo();
96  foreach ( $sorted as $obj ) {
97  $title = Title::makeTitle( $obj->rc_namespace, $obj->rc_title );
98  $talkpage = $nsInfo->hasTalkNamespace( $obj->rc_namespace ) && $title->canExist()
99  ? $title->getTalkPage()->getFullURL()
100  : '';
101 
102  // Skip items with deleted content (avoids partially complete/inconsistent output)
103  if ( $obj->rc_deleted ) {
104  continue;
105  }
106 
107  if ( $obj->rc_this_oldid ) {
108  $url = $title->getFullURL( [
109  'diff' => $obj->rc_this_oldid,
110  'oldid' => $obj->rc_last_oldid,
111  ] );
112  } else {
113  // log entry or something like that.
114  $url = $title->getFullURL();
115  }
116 
117  $items[] = new FeedItem(
118  $title->getPrefixedText(),
119  FeedUtils::formatDiff( $obj ),
120  $url,
121  $obj->rc_timestamp,
122  ( $obj->rc_deleted & RevisionRecord::DELETED_USER )
123  ? wfMessage( 'rev-deleted-user' )->escaped() : $obj->rc_user_text,
124  $talkpage
125  );
126  }
127 
128  return $items;
129  }
130 }
FeedItem
A base class for outputting syndication feeds (e.g.
Definition: FeedItem.php:33
RC_EXTERNAL
const RC_EXTERNAL
Definition: Defines.php:134
Revision\RevisionRecord
Page revision base class.
Definition: RevisionRecord.php:46
MediaWiki\MediaWikiServices
MediaWikiServices is the service locator for the application scope of MediaWiki.
Definition: MediaWikiServices.php:152
ChangesFeed\$format
$format
Definition: ChangesFeed.php:32
RC_EDIT
const RC_EDIT
Definition: Defines.php:131
wfMessage
wfMessage( $key,... $params)
This is the function for getting translated interface messages.
Definition: GlobalFunctions.php:1222
ChangesFeed\getFeedObject
getFeedObject( $title, $description, $url)
Get a ChannelFeed subclass object to use.
Definition: ChangesFeed.php:49
$title
$title
Definition: testCompression.php:38
Title\makeTitle
static makeTitle( $ns, $title, $fragment='', $interwiki='')
Create a new Title from a namespace index and a DB key.
Definition: Title.php:592
$wgFeedClasses
$wgFeedClasses
Available feeds objects.
Definition: DefaultSettings.php:7404
ChangesFeed
Feed to Special:RecentChanges and Special:RecentChangesLinked.
Definition: ChangesFeed.php:31
$wgLanguageCode
$wgLanguageCode
Site language code.
Definition: DefaultSettings.php:3098
$wgSitename
$wgSitename
Name of the site.
Definition: DefaultSettings.php:80
FeedUtils\formatDiff
static formatDiff( $row)
Format a diff for the newsfeed.
Definition: FeedUtils.php:64
ChangesFeed\buildItems
static buildItems( $rows)
Generate the feed items given a row from the database.
Definition: ChangesFeed.php:72
ChangesFeed\__construct
__construct( $format)
Definition: ChangesFeed.php:37