/**
* Find a topic list id related to an abstract revision
*
* @param AbstractRevision $object
* @param string[] $row
* @param array $metadata
* @return string Alphadecimal uid of the related board
* @throws InvalidInputException When $object is not a Header, PostRevision or
* PostSummary instance.
* @throws DataModelException When the related id cannot be located
*/
protected function findTopicListId(AbstractRevision $object, array $row, array $metadata)
{
if ($object instanceof Header) {
return $row['rev_type_id'];
}
if (isset($metadata['workflow']) && $metadata['workflow'] instanceof Workflow) {
$topicId = $metadata['workflow']->getId();
} else {
if ($object instanceof PostRevision) {
$post = $object;
} elseif ($object instanceof PostSummary) {
$post = $object->getCollection()->getPost()->getLastRevision();
} else {
throw new InvalidInputException('Unexpected object type: ' . get_class($object));
}
$topicId = $post->getRootPost()->getPostId();
}
$found = $this->om->find(array('topic_id' => $topicId));
if (!$found) {
throw new DataModelException("No topic list contains topic " . $topicId->getAlphadecimal() . ", called for revision " . $object->getRevisionId()->getAlphadecimal());
}
/** @var TopicListEntry $topicListEntry */
$topicListEntry = reset($found);
return $topicListEntry->getListId()->getAlphadecimal();
}
/**
* @param AbstractRevision $revision
* @return string
*/
public function getContent(AbstractRevision $revision)
{
return $this->apply($revision->getContent('html'), $revision->getCollection()->getTitle());
}
/**
* @param AbstractRevision $revision
* @return AbstractRevision
*/
protected function getRoot(AbstractRevision $revision)
{
if ($revision instanceof PostSummary) {
$topicId = $revision->getSummaryTargetId();
} elseif ($revision instanceof PostRevision && !$revision->isTopicTitle()) {
try {
$topicId = $revision->getCollection()->getWorkflowId();
} catch (DataModelException $e) {
// failed to locate root post (most likely in unit tests, where
// we didn't store the tree)
return $revision;
}
} else {
// if we can't the revision it back to a root, this revision is root
return $revision;
}
$collection = PostCollection::newFromId($topicId);
return $collection->getLastRevision();
}
/**
* Retrieves the current revision for a given AbstractRevision
* @param AbstractRevision $revision The revision to retrieve the current revision for.
* @return AbstractRevision|null AbstractRevision of the current revision.
*/
protected function getCurrentRevision(AbstractRevision $revision)
{
$collectionId = $revision->getCollectionId();
if (!isset($this->currentRevisionsCache[$collectionId->getAlphadecimal()])) {
$currentRevision = $revision->getCollection()->getLastRevision();
$this->currentRevisionsCache[$collectionId->getAlphadecimal()] = $currentRevision->getRevisionId();
$this->revisionCache[$currentRevision->getRevisionId()->getAlphadecimal()] = $currentRevision;
}
$currentRevisionId = $this->currentRevisionsCache[$collectionId->getAlphadecimal()];
return $this->revisionCache[$currentRevisionId->getAlphaDecimal()];
}
