includes/RefreshLinksJob.php

   1 <?php
   2
   3 /**
   4  * Background job to update links for a given title.
   5  *
   6  * @ingroup JobQueue
   7  */
   8 class RefreshLinksJob extends Job {
   9
  10         function __construct( $title, $params = '', $id = 0 ) {
  11                 parent::__construct( 'refreshLinks', $title, $params, $id );
  12         }
  13
  14         /**
  15          * Run a refreshLinks job
  16          * @return boolean success
  17          */
  18         function run() {
  19                 global $wgParser;
  20                 wfProfileIn( __METHOD__ );
  21
  22                 $linkCache = LinkCache::singleton();
  23                 $linkCache->clear();
  24
  25                 if ( is_null( $this->title ) ) {
  26                         $this->error = "refreshLinks: Invalid title";
  27                         wfProfileOut( __METHOD__ );
  28                         return false;
  29                 }
  30
  31                 $revision = Revision::newFromTitle( $this->title );
  32                 if ( !$revision ) {
  33                         $this->error = 'refreshLinks: Article not found "' . $this->title->getPrefixedDBkey() . '"';
  34                         wfProfileOut( __METHOD__ );
  35                         return false;
  36                 }
  37
  38                 wfProfileIn( __METHOD__.'-parse' );
  39                 $options = new ParserOptions;
  40                 $parserOutput = $wgParser->parse( $revision->getText(), $this->title, $options, true, true, $revision->getId() );
  41                 wfProfileOut( __METHOD__.'-parse' );
  42                 wfProfileIn( __METHOD__.'-update' );
  43                 $update = new LinksUpdate( $this->title, $parserOutput, false );
  44                 $update->doUpdate();
  45                 wfProfileOut( __METHOD__.'-update' );
  46                 wfProfileOut( __METHOD__ );
  47                 return true;
  48         }
  49 }
  50
  51 /**
  52  * Background job to update links for a given title.
  53  * Newer version for high use templates.
  54  *
  55  * @ingroup JobQueue
  56  */
  57 class RefreshLinksJob2 extends Job {
  58
  59         function __construct( $title, $params, $id = 0 ) {
  60                 parent::__construct( 'refreshLinks2', $title, $params, $id );
  61         }
  62
  63         /**
  64          * Run a refreshLinks2 job
  65          * @return boolean success
  66          */
  67         function run() {
  68                 global $wgParser;
  69
  70                 wfProfileIn( __METHOD__ );
  71
  72                 $linkCache = LinkCache::singleton();
  73                 $linkCache->clear();
  74
  75                 if( is_null( $this->title ) ) {
  76                         $this->error = "refreshLinks2: Invalid title";
  77                         wfProfileOut( __METHOD__ );
  78                         return false;
  79                 }
  80                 if( !isset($this->params['start']) || !isset($this->params['end']) ) {
  81                         $this->error = "refreshLinks2: Invalid params";
  82                         wfProfileOut( __METHOD__ );
  83                         return false;
  84                 }
  85                 $titles = $this->title->getBacklinkCache()->getLinks(
  86                         'templatelinks', $this->params['start'], $this->params['end']);
  87
  88                 # Not suitable for page load triggered job running!
  89                 # Gracefully switch to refreshLinks jobs if this happens.
  90                 if( php_sapi_name() != 'cli' ) {
  91                         $jobs = array();
  92                         foreach ( $titles as $title ) {
  93                                 $jobs[] = new RefreshLinksJob( $title, '' );
  94                         }
  95                         Job::batchInsert( $jobs );
  96                         return true;
  97                 }
  98                 # Re-parse each page that transcludes this page and update their tracking links...
  99                 foreach ( $titles as $title ) {
 100                         $revision = Revision::newFromTitle( $title );
 101                         if ( !$revision ) {
 102                                 $this->error = 'refreshLinks: Article not found "' . $title->getPrefixedDBkey() . '"';
 103                                 wfProfileOut( __METHOD__ );
 104                                 return false;
 105                         }
 106                         wfProfileIn( __METHOD__.'-parse' );
 107                         $options = new ParserOptions;
 108                         $parserOutput = $wgParser->parse( $revision->getText(), $title, $options, true, true, $revision->getId() );
 109                         wfProfileOut( __METHOD__.'-parse' );
 110                         wfProfileIn( __METHOD__.'-update' );
 111                         $update = new LinksUpdate( $title, $parserOutput, false );
 112                         $update->doUpdate();
 113                         wfProfileOut( __METHOD__.'-update' );
 114                         wfWaitForSlaves( 5 );
 115                 }
 116                 wfProfileOut( __METHOD__ );
 117
 118                 return true;
 119         }
 120 }