includes/job/RefreshLinksJob.php

   1 <?php
   2 /**
   3  * Job to update links for a given title.
   4  *
   5  * @file
   6  * @ingroup JobQueue
   7  */
   8
   9 /**
  10  * Background job to update links for a given title.
  11  *
  12  * @ingroup JobQueue
  13  */
  14 class RefreshLinksJob extends Job {
  15
  16         function __construct( $title, $params = '', $id = 0 ) {
  17                 parent::__construct( 'refreshLinks', $title, $params, $id );
  18         }
  19
  20         /**
  21          * Run a refreshLinks job
  22          * @return boolean success
  23          */
  24         function run() {
  25                 global $wgParser, $wgContLang;
  26                 wfProfileIn( __METHOD__ );
  27
  28                 $linkCache = LinkCache::singleton();
  29                 $linkCache->clear();
  30
  31                 if ( is_null( $this->title ) ) {
  32                         $this->error = "refreshLinks: Invalid title";
  33                         wfProfileOut( __METHOD__ );
  34                         return false;
  35                 }
  36
  37                 $revision = Revision::newFromTitle( $this->title );
  38                 if ( !$revision ) {
  39                         $this->error = 'refreshLinks: Article not found "' . $this->title->getPrefixedDBkey() . '"';
  40                         wfProfileOut( __METHOD__ );
  41                         return false;
  42                 }
  43
  44                 wfProfileIn( __METHOD__.'-parse' );
  45                 $options = ParserOptions::newFromUserAndLang( new User, $wgContLang );
  46                 $parserOutput = $wgParser->parse( $revision->getText(), $this->title, $options, true, true, $revision->getId() );
  47                 wfProfileOut( __METHOD__.'-parse' );
  48                 wfProfileIn( __METHOD__.'-update' );
  49                 $update = new LinksUpdate( $this->title, $parserOutput, false );
  50                 $update->doUpdate();
  51                 wfProfileOut( __METHOD__.'-update' );
  52                 wfProfileOut( __METHOD__ );
  53                 return true;
  54         }
  55 }
  56
  57 /**
  58  * Background job to update links for a given title.
  59  * Newer version for high use templates.
  60  *
  61  * @ingroup JobQueue
  62  */
  63 class RefreshLinksJob2 extends Job {
  64
  65         function __construct( $title, $params, $id = 0 ) {
  66                 parent::__construct( 'refreshLinks2', $title, $params, $id );
  67         }
  68
  69         /**
  70          * Run a refreshLinks2 job
  71          * @return boolean success
  72          */
  73         function run() {
  74                 global $wgParser, $wgContLang;
  75
  76                 wfProfileIn( __METHOD__ );
  77
  78                 $linkCache = LinkCache::singleton();
  79                 $linkCache->clear();
  80
  81                 if( is_null( $this->title ) ) {
  82                         $this->error = "refreshLinks2: Invalid title";
  83                         wfProfileOut( __METHOD__ );
  84                         return false;
  85                 }
  86                 if( !isset($this->params['start']) || !isset($this->params['end']) ) {
  87                         $this->error = "refreshLinks2: Invalid params";
  88                         wfProfileOut( __METHOD__ );
  89                         return false;
  90                 }
  91                 // Back compat for pre-r94435 jobs
  92                 $table = isset( $this->params['table'] ) ? $this->params['table'] : 'templatelinks';
  93                 $titles = $this->title->getBacklinkCache()->getLinks(
  94                         $table, $this->params['start'], $this->params['end']);
  95
  96                 # Not suitable for page load triggered job running!
  97                 # Gracefully switch to refreshLinks jobs if this happens.
  98                 if( php_sapi_name() != 'cli' ) {
  99                         $jobs = array();
 100                         foreach ( $titles as $title ) {
 101                                 $jobs[] = new RefreshLinksJob( $title, '' );
 102                         }
 103                         Job::batchInsert( $jobs );
 104
 105                         wfProfileOut( __METHOD__ );
 106                         return true;
 107                 }
 108                 $options = ParserOptions::newFromUserAndLang( new User, $wgContLang );
 109                 # Re-parse each page that transcludes this page and update their tracking links...
 110                 foreach ( $titles as $title ) {
 111                         $revision = Revision::newFromTitle( $title );
 112                         if ( !$revision ) {
 113                                 $this->error = 'refreshLinks: Article not found "' . $title->getPrefixedDBkey() . '"';
 114                                 wfProfileOut( __METHOD__ );
 115                                 return false;
 116                         }
 117                         wfProfileIn( __METHOD__.'-parse' );
 118                         $parserOutput = $wgParser->parse( $revision->getText(), $title, $options, true, true, $revision->getId() );
 119                         wfProfileOut( __METHOD__.'-parse' );
 120                         wfProfileIn( __METHOD__.'-update' );
 121                         $update = new LinksUpdate( $title, $parserOutput, false );
 122                         $update->doUpdate();
 123                         wfProfileOut( __METHOD__.'-update' );
 124                         wfWaitForSlaves();
 125                 }
 126                 wfProfileOut( __METHOD__ );
 127
 128                 return true;
 129         }
 130 }