findOneBy(['resourceId' => $resourceId, 'type' => $type]);
}
/**
* @todo implement for all types only work for sessions
*
* @param int $resourceId
* @param int $type
*
* @return array
*/
public function getRequirementAndDependencies($resourceId, $type)
{
$sequence = $this->findRequirementForResource($resourceId, $type);
$result = ['requirements' => '', 'dependencies' => []];
if ($sequence && $sequence->hasGraph()) {
$graph = $sequence->getSequence()->getUnSerializeGraph();
$vertex = $graph->getVertex($resourceId);
$from = $vertex->getVerticesEdgeFrom();
foreach ($from as $subVertex) {
$vertexId = $subVertex->getId();
$sessionInfo = api_get_session_info($vertexId);
$sessionInfo['admin_link'] = ''.$sessionInfo['name'].'';
$result['requirements'][] = $sessionInfo;
}
$to = $vertex->getVerticesEdgeTo();
foreach ($to as $subVertex) {
$vertexId = $subVertex->getId();
$sessionInfo = api_get_session_info($vertexId);
$sessionInfo['admin_link'] = ''.$sessionInfo['name'].'';
$result['dependencies'][] = $sessionInfo;
}
}
return $result;
}
/**
* Deletes a node and check in all the dependencies if the node exists in
* order to deleted.
*
* @param int $resourceId
* @param int $type
*/
public function deleteResource($resourceId, $type)
{
$sequence = $this->findRequirementForResource($resourceId, $type);
if ($sequence && $sequence->hasGraph()) {
$em = $this->getEntityManager();
$graph = $sequence->getSequence()->getUnSerializeGraph();
$mainVertex = $graph->getVertex($resourceId);
$vertices = $graph->getVertices();
/** @var Vertex $vertex */
foreach ($vertices as $vertex) {
$subResourceId = $vertex->getId();
$subSequence = $this->findRequirementForResource($subResourceId, $type);
if ($sequence && $subSequence->hasGraph()) {
$graph = $subSequence->getSequence()->getUnSerializeGraph();
$subMainVertex = $graph->getVertex($resourceId);
$subMainVertex->destroy();
$subSequence->getSequence()->setGraphAndSerialize($graph);
$em->persist($subSequence);
}
}
$mainVertex->destroy();
$em->remove($sequence);
$em->flush();
}
}
/**
* Get the requirements for a resource only.
*
* @param int $resourceId The resource ID
* @param int $type The type of sequence resource
*
* @return array
*/
public function getRequirements($resourceId, $type)
{
$sequencesResource = $this->findBy([
'resourceId' => $resourceId,
'type' => $type,
]);
$result = [];
/** @var SequenceResource $sequenceResource */
foreach ($sequencesResource as $sequenceResource) {
if (!$sequenceResource->hasGraph()) {
continue;
}
$sequence = $sequenceResource->getSequence();
$graph = $sequence->getUnSerializeGraph();
$vertex = $graph->getVertex($resourceId);
$from = $vertex->getVerticesEdgeFrom();
$sequenceInfo = [
'name' => $sequence->getName(),
'requirements' => [],
];
foreach ($from as $subVertex) {
$vertexId = $subVertex->getId();
switch ($type) {
case SequenceResource::SESSION_TYPE:
$session = $this->getEntityManager()->getReference(
'ChamiloCoreBundle:Session',
$vertexId
);
if (empty($session)) {
break;
}
$sequenceInfo['requirements'][$vertexId] = $session;
break;
}
}
$result[$sequence->getId()] = $sequenceInfo;
}
return $result;
}
/**
* Get the requirements and dependencies within a sequence for a resource.
*
* @param int $resourceId The resource ID
* @param int $type The type of sequence resource
*
* @return array
*/
public function getRequirementsAndDependenciesWithinSequences($resourceId, $type)
{
$sequencesResource = $this->findBy([
'resourceId' => $resourceId,
'type' => $type,
]);
$result = [];
/** @var SequenceResource $sequenceResource */
foreach ($sequencesResource as $sequenceResource) {
if (!$sequenceResource->hasGraph()) {
continue;
}
$sequence = $sequenceResource->getSequence();
$graph = $sequence->getUnSerializeGraph();
$vertex = $graph->getVertex($resourceId);
$from = $vertex->getVerticesEdgeFrom();
$to = $vertex->getVerticesEdgeTo();
$requirements = [];
$dependencies = [];
switch ($type) {
case SequenceResource::SESSION_TYPE:
$requirements = $this->findSessionFromVerticesEdges($from);
$dependencies = $this->findSessionFromVerticesEdges($to);
break;
}
$result[$sequence->getId()] = [
'name' => $sequence->getName(),
'requirements' => $requirements,
'dependencies' => $dependencies,
];
}
return [
'sequences' => $result,
];
}
/**
* Get sessions from vertices.
*
* @param Vertices $verticesEdges The vertices
*
* @return array
*/
protected function findSessionFromVerticesEdges(Vertices $verticesEdges)
{
$sessionVertices = [];
foreach ($verticesEdges as $supVertex) {
$vertexId = $supVertex->getId();
$session = $this->getEntityManager()->getReference(
'ChamiloCoreBundle:Session',
$vertexId
);
if (empty($session)) {
continue;
}
$sessionVertices[$vertexId] = $session;
}
return $sessionVertices;
}
}