/**
* Update history revision
*/
private function updateHistory(PostRevision $post, $wiki)
{
if ($post->getPrevRevisionId()) {
$parent = Container::get('storage.post')->get(UUID::create($post->getPrevRevisionId()));
if ($parent) {
$this->updateRevision($parent, $wiki);
$this->updateHistory($parent, $wiki);
}
}
}
/**
* While topic's themselves are plaintext and do not contain any references,
* moderation actions change what references are visible. When transitioning
* from or to a generically visible state (unmoderated or locked) the entire
* topic + summary needs to be re-evaluated.
*
* @param Workflow $workflow
* @param PostRevision $current Topic revision object that was inserted
* @return array Contains two arrays, first the references to add a second
* the references to remove
* @throws FlowException
*/
protected function calculateChangesFromTopic(Workflow $workflow, PostRevision $current)
{
if ($current->isFirstRevision()) {
return array(array(), array());
}
$previous = $this->storage->get('PostRevision', $current->getPrevRevisionId());
if (!$previous) {
throw new FlowException('Expcted previous revision of ' . $current->getPrevRevisionId()->getAlphadecimal());
}
$isHidden = self::isHidden($current);
$wasHidden = self::isHidden($previous);
if ($isHidden === $wasHidden) {
return array(array(), array());
}
// re-run
$revisions = $this->collectTopicRevisions($workflow);
$added = array();
$removed = array();
foreach ($revisions as $revision) {
list($add, $remove) = $this->calculateChangesFromExisting($workflow, $revision, $current);
$added = array_merge($added, $add);
$removed = array_merge($removed, $remove);
}
return array($added, $removed);
}
