/**
* This constructs the list of all groups from multiple different
* sources. When possible, a cache dependency is created to automatically
* recreate the cache when configuration changes.
* @todo Reduce the ways of which messages can be added. Target is just
* to have three ways: Yaml files, translatable pages and with the hook.
* @todo In conjuction with the above, reduce the number of global
* variables like wgTranslate#C and have the message groups specify
* their own cache dependencies.
*/
protected static function loadGroupDefinitions()
{
global $wgTranslateAddMWExtensionGroups;
global $wgEnablePageTranslation, $wgTranslateGroupFiles;
global $wgTranslateAC, $wgTranslateEC, $wgTranslateCC;
global $wgAutoloadClasses;
global $wgTranslateWorkflowStates;
$deps = array();
$deps[] = new GlobalDependency('wgTranslateAddMWExtensionGroups');
$deps[] = new GlobalDependency('wgEnablePageTranslation');
$deps[] = new GlobalDependency('wgTranslateGroupFiles');
$deps[] = new GlobalDependency('wgTranslateAC');
$deps[] = new GlobalDependency('wgTranslateEC');
$deps[] = new GlobalDependency('wgTranslateCC');
$deps[] = new GlobalDependency('wgTranslateExtensionDirectory');
$deps[] = new GlobalDependency('wgTranslateWorkflowStates');
$deps[] = new FileDependency(dirname(__FILE__) . '/groups/mediawiki-defines.txt');
$deps[] = new FileDependency(dirname(__FILE__) . '/groups/Wikia/extensions.txt');
$deps[] = new FileDependency(dirname(__FILE__) . '/groups/Toolserver/toolserver-textdomains.txt');
if ($wgTranslateAddMWExtensionGroups) {
$a = new PremadeMediawikiExtensionGroups();
$a->addAll();
}
if ($wgEnablePageTranslation) {
$dbr = wfGetDB(DB_MASTER);
$tables = array('page', 'revtag');
$vars = array('page_id', 'page_namespace', 'page_title');
$conds = array('page_id=rt_page', 'rt_type' => RevTag::getType('tp:mark'));
$options = array('GROUP BY' => 'rt_page');
$res = $dbr->select($tables, $vars, $conds, __METHOD__, $options);
foreach ($res as $r) {
$title = Title::makeTitle($r->page_namespace, $r->page_title);
$id = TranslatablePage::getMessageGroupIdFromTitle($title);
$wgTranslateCC[$id] = new WikiPageMessageGroup($id, $title);
$wgTranslateCC[$id]->setLabel($title->getPrefixedText());
}
}
if ($wgTranslateWorkflowStates) {
$wgTranslateCC['translate-workflow-states'] = new WorkflowStatesMessageGroup();
}
$autoload = array();
wfRunHooks('TranslatePostInitGroups', array(&$wgTranslateCC, &$deps, &$autoload));
foreach ($wgTranslateGroupFiles as $configFile) {
wfDebug($configFile . "\n");
$deps[] = new FileDependency(realpath($configFile));
$fgroups = TranslateYaml::parseGroupFile($configFile);
foreach ($fgroups as $id => $conf) {
if (!empty($conf['AUTOLOAD']) && is_array($conf['AUTOLOAD'])) {
$dir = dirname($configFile);
foreach ($conf['AUTOLOAD'] as $class => $file) {
// For this request and for caching.
$wgAutoloadClasses[$class] = "{$dir}/{$file}";
$autoload[$class] = "{$dir}/{$file}";
}
}
$group = MessageGroupBase::factory($conf);
$wgTranslateCC[$id] = $group;
}
}
$key = wfMemckey('translate-groups');
$value = array('ac' => $wgTranslateAC, 'ec' => $wgTranslateEC, 'cc' => $wgTranslateCC, 'autoload' => $autoload);
$wrapper = new DependencyWrapper($value, $deps);
$wrapper->storeToCache(self::getCache(), $key, 60 * 60 * 2);
wfDebug(__METHOD__ . "-end\n");
}
/**
* Attempt to get a value from the cache. If the value is expired or missing,
* it will be generated with the callback function (if present), and the newly
* calculated value will be stored to the cache in a wrapper.
*
* @param $cache BagOStuff a cache object such as $wgMemc
* @param $key String: the cache key
* @param $expiry Integer: the expiry timestamp or interval in seconds
* @param $callback Mixed: the callback for generating the value, or false
* @param $callbackParams Array: the function parameters for the callback
* @param $deps Array: the dependencies to store on a cache miss. Note: these
* are not the dependencies used on a cache hit! Cache hits use the stored
* dependency array.
*
* @return mixed The value, or null if it was not present in the cache and no
* callback was defined.
*/
static function getValueFromCache($cache, $key, $expiry = 0, $callback = false, $callbackParams = array(), $deps = array())
{
$obj = $cache->get($key);
if (is_object($obj) && $obj instanceof DependencyWrapper && !$obj->isExpired()) {
$value = $obj->value;
} elseif ($callback) {
$value = call_user_func_array($callback, $callbackParams);
# Cache the newly-generated value
$wrapper = new DependencyWrapper($value, $deps);
$wrapper->storeToCache($cache, $key, $expiry);
} else {
$value = null;
}
return $value;
}
/**
* This constructs the list of all groups from multiple different
* sources. When possible, a cache dependency is created to automatically
* recreate the cache when configuration changes.
*/
protected function loadGroupDefinitions()
{
global $wgAutoloadClasses;
$groups = $deps = $autoload = array();
Hooks::run('TranslatePostInitGroups', array(&$groups, &$deps, &$autoload));
// Register autoloaders for this request, both values modified by reference
self::appendAutoloader($autoload, $wgAutoloadClasses);
$key = wfMemckey('translate-groups');
$value = array('cc' => $groups, 'autoload' => $autoload);
$wrapper = new DependencyWrapper($value, $deps);
$wrapper->storeToCache($this->getCache(), $key, 60 * 60 * 2);
return $groups;
}
