/**
* Find which communities contain revisions from the given users and batch
* tasks to revert those revisions
*
* This task should only run from community.wikia.com, where the UserRollback
* extension is enabled.
*
* @param array $users list of user names or IPs whose revisions should be reverted
* @param int $timestamp Unix time after which revisions should be reverted
* @param string $queue
*/
public function enqueueRollback(array $identifiers, $timestamp, $queue)
{
$affectedWikis = $this->getAffectedWikis($identifiers);
$taskLists = [];
foreach ($affectedWikis as $wikiId => $usersOnWiki) {
$task = new UserRollbackTask();
$taskLists[] = (new AsyncTaskList())->wikiId($wikiId)->setPriority($queue)->add($task->call('doRollback', $usersOnWiki, $timestamp));
}
$result = [];
if (!empty($taskLists)) {
$result = AsyncTaskList::batch($taskLists);
}
return $result;
}
/**
* find which articles depend on this resource being changed
*
* @param string $table db table to check. ex: 'imagelinks', 'templatelinks'
* @return array list of task ids that will purge the dependencies in parsoid
*/
public function findDependencies($table)
{
global $wgCityId;
$cache = $this->title->getBacklinkCache();
$batches = $cache->partition($table, 20);
$taskLists = [];
foreach ($batches as $batch) {
list($start, $end) = $batch;
$task = (new ParsoidCacheUpdateTask())->title($this->title);
$taskLists[] = (new AsyncTaskList())->setPriority(ParsoidPurgePriorityQueue::NAME)->wikiId($wgCityId)->add($task->call('onDependencyChange', $table, $start, $end));
}
$result = [];
if (!empty($taskLists)) {
$result = AsyncTaskList::batch($taskLists);
}
return $result;
}
public static function onCreatePromoteImageReviewTask($type, $list)
{
if (empty($list)) {
return true;
}
if (TaskRunner::isModern('PromoteImageReviewTask')) {
$batch = [];
foreach ($list as $targetWikiId => $wikis) {
$taskList = new \Wikia\Tasks\AsyncTaskList();
$task = new \Wikia\Tasks\Tasks\PromoteImageReviewTask();
$call = $task->call($type, $targetWikiId, $wikis);
$taskList->add($call);
$batch[] = $taskList;
}
\Wikia\Tasks\AsyncTaskList::batch($batch);
} else {
$task = new PromoteImageReviewTask();
$key = $type == 'delete' ? 'deletion_list' : 'upload_list';
$params = [$key => $list];
$task->createTask($params, TASK_QUEUED);
}
return true;
}
/**
* queue a set of BaseTask objects
*
* @param array $tasks
* @return array task ids
*/
public static function batch(array $tasks)
{
$taskLists = [];
foreach ($tasks as $task) {
/** @var BaseTask $task $taskLists */
$taskLists = array_merge($taskLists, $task->convertToTaskLists());
}
\Wikia\Logger\WikiaLogger::instance()->info('BaseTask::batch', ['count' => count($tasks), 'task' => get_class(reset($tasks)), 'backtrace' => new \Exception()]);
return AsyncTaskList::batch($taskLists);
}