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<?php
/**
* Cite extension hooks
*
* @file
* @ingroup Extensions
* @copyright 2011-2016 Cite VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see MIT-LICENSE.txt
*/
class CiteHooks {
/**
* Convert the content model of a message that is actually JSON to JSON. This
* only affects validation and UI when saving and editing, not loading the
* content.
*
* @param Title $title
* @param string $model
* @return bool
*/
public static function onContentHandlerDefaultModelFor( Title $title, &$model ) {
if (
$title->inNamespace( NS_MEDIAWIKI ) &&
$title->getText() == 'Visualeditor-cite-tool-definition.json'
) {
$model = CONTENT_MODEL_JSON;
}
return true;
}
/**
* Conditionally register the unit testing module for the ext.cite.visualEditor module
* only if that module is loaded
*
* @param array $testModules The array of registered test modules
* @param ResourceLoader $resourceLoader The reference to the resource loader
* @return true
*/
public static function onResourceLoaderTestModules(
array &$testModules,
ResourceLoader &$resourceLoader
) {
$resourceModules = $resourceLoader->getConfig()->get( 'ResourceModules' );
if (
isset( $resourceModules[ 'ext.visualEditor.mediawiki' ] ) ||
$resourceLoader->isModuleRegistered( 'ext.visualEditor.mediawiki' )
) {
$testModules['qunit']['ext.cite.visualEditor.test'] = array(
'scripts' => array(
'modules/ve-cite/tests/ve.dm.citeExample.js',
'modules/ve-cite/tests/ve.dm.Converter.test.js',
'modules/ve-cite/tests/ve.dm.InternalList.test.js',
'modules/ve-cite/tests/ve.dm.Transaction.test.js',
),
'dependencies' => array(
'ext.cite.visualEditor',
'ext.visualEditor.test'
),
'localBasePath' => __DIR__,
'remoteExtPath' => 'Cite',
);
}
return true;
}
/**
* Callback for LinksUpdate hook
* Post-output processing of references property, for proper db storage
* Deferred to avoid performance overhead when outputting the page
*
* @param LinksUpdate $linksUpdate
*/
public static function onLinksUpdate( LinksUpdate &$linksUpdate ) {
global $wgCiteStoreReferencesData, $wgCiteCacheRawReferencesOnParse;
if ( !$wgCiteStoreReferencesData ) {
return;
}
$refData = $linksUpdate->getParserOutput()->getExtensionData( Cite::EXT_DATA_KEY );
if ( $refData === null ) {
return;
}
if ( $wgCiteCacheRawReferencesOnParse ) {
// caching
$cache = ObjectCache::getMainWANInstance();
$articleID = $linksUpdate->getTitle()->getArticleID();
$key = $cache->makeKey( Cite::EXT_DATA_KEY, $articleID );
$cache->set( $key, $refData, Cite::CACHE_DURATION_ONPARSE );
}
// JSON encode
$ppValue = FormatJson::encode( $refData, false, FormatJson::ALL_OK );
// GZIP encode references data at maximum compression
$ppValue = gzencode( $ppValue, 9 );
// split the string in smaller parts that can fit into a db blob
$ppValues = str_split( $ppValue, Cite::MAX_STORAGE_LENGTH );
foreach ( $ppValues as $num => $ppValue ) {
$key = 'references-' . intval( $num + 1 );
$linksUpdate->mProperties[$key] = $ppValue;
}
$linksUpdate->getParserOutput()->setExtensionData( Cite::EXT_DATA_KEY, null );
}
/**
* Callback for LinksUpdateComplete hook
* If $wgCiteCacheRawReferencesOnParse is set to false, purges the cache
* when references are modified
*
* @param LinksUpdate $linksUpdate
*/
public static function onLinksUpdateComplete( LinksUpdate &$linksUpdate ) {
global $wgCiteStoreReferencesData, $wgCiteCacheRawReferencesOnParse;
if ( !$wgCiteStoreReferencesData || $wgCiteCacheRawReferencesOnParse ) {
return;
}
// if we can, avoid clearing the cache when references were not changed
if ( method_exists( $linksUpdate, 'getAddedProperties' )
&& method_exists( $linksUpdate, 'getRemovedProperties' )
) {
$addedProps = $linksUpdate->getAddedProperties();
$removedProps = $linksUpdate->getRemovedProperties();
if ( !isset( $addedProps['references-1'] )
&& !isset( $removedProps['references-1'] )
) {
return;
}
}
$cache = ObjectCache::getMainWANInstance();
$articleID = $linksUpdate->getTitle()->getArticleID();
$key = $cache->makeKey( Cite::EXT_DATA_KEY, $articleID );
// delete with reduced hold off period (LinksUpdate uses a master connection)
$cache->delete( $key, WANObjectCache::MAX_COMMIT_DELAY );
}
}