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<?php
/**
* Background job to replace text in a given page
* - based on /includes/RefreshLinksJob.php
*
* @author Yaron Koren
* @author Ankit Garg
*/
class ReplaceTextJob extends Job {
function __construct( $title, $params = '', $id = 0 ) {
parent::__construct( 'replaceText', $title, $params, $id );
}
/**
* Run a replaceText job
* @return bool success
*/
function run() {
wfProfileIn( __METHOD__ );
if ( is_null( $this->title ) ) {
$this->error = "replaceText: Invalid title";
wfProfileOut( __METHOD__ );
return false;
}
if ( array_key_exists( 'move_page', $this->params ) ) {
global $wgUser;
$actual_user = $wgUser;
$wgUser = User::newFromId( $this->params['user_id'] );
$cur_page_name = $this->title->getText();
if ( $this->params['use_regex'] ) {
$new_page_name = preg_replace(
"/" . $this->params['target_str'] . "/Uu", $this->params['replacement_str'], $cur_page_name
);
} else {
$new_page_name =
str_replace( $this->params['target_str'], $this->params['replacement_str'], $cur_page_name );
}
$new_title = Title::newFromText( $new_page_name, $this->title->getNamespace() );
$reason = $this->params['edit_summary'];
$create_redirect = $this->params['create_redirect'];
$this->title->moveTo( $new_title, true, $reason, $create_redirect );
if ( $this->params['watch_page'] ) {
if ( class_exists( 'WatchAction' ) ) {
// Class was added in MW 1.19
WatchAction::doWatch( $new_title, $wgUser );
} else {
Action::factory( 'watch', new WikiPage( $new_title ) )->execute();
}
}
$wgUser = $actual_user;
} else {
if ( $this->title->getContentModel() !== CONTENT_MODEL_WIKITEXT ) {
$this->error = 'replaceText: Wiki page "' .
$this->title->getPrefixedDBkey() . '" does not hold regular wikitext.';
wfProfileOut( __METHOD__ );
return false;
}
$wikiPage = new WikiPage( $this->title );
// Is this check necessary?
if ( !$wikiPage ) {
$this->error =
'replaceText: Wiki page not found for "' . $this->title->getPrefixedDBkey() . '."';
wfProfileOut( __METHOD__ );
return false;
}
$wikiPageContent = $wikiPage->getContent();
if ( is_null( $wikiPageContent ) ) {
$this->error =
'replaceText: No contents found for wiki page at "' . $this->title->getPrefixedDBkey() . '."';
wfProfileOut( __METHOD__ );
return false;
}
$article_text = $wikiPageContent->getNativeData();
wfProfileIn( __METHOD__ . '-replace' );
$target_str = $this->params['target_str'];
$replacement_str = $this->params['replacement_str'];
$num_matches = 0;
if ( $this->params['use_regex'] ) {
$new_text =
preg_replace( '/' . $target_str . '/Uu', $replacement_str, $article_text, -1, $num_matches );
} else {
$new_text = str_replace( $target_str, $replacement_str, $article_text, $num_matches );
}
// If there's at least one replacement, modify the page,
// using the passed-in edit summary.
if ( $num_matches > 0 ) {
// Change global $wgUser variable to the one
// specified by the job only for the extent of
// this replacement.
global $wgUser;
$actual_user = $wgUser;
$wgUser = User::newFromId( $this->params['user_id'] );
$edit_summary = $this->params['edit_summary'];
$flags = EDIT_MINOR;
if ( $wgUser->isAllowed( 'bot' ) ) {
$flags |= EDIT_FORCE_BOT;
}
$new_content = new WikitextContent( $new_text );
$wikiPage->doEditContent( $new_content, $edit_summary, $flags );
$wgUser = $actual_user;
}
wfProfileOut( __METHOD__ . '-replace' );
}
wfProfileOut( __METHOD__ );
return true;
}
}
|
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