/**
* All artifacts linked by either the root artifact or any of the artifacts in plannedArtifacts()
* @param User $user
* @return Array of Tracker_Artifact
*/
public function getLinkedArtifacts(User $user)
{
$artifacts = $this->artifact->getUniqueLinkedArtifacts($user);
$root_node = $this->getPlannedArtifacts();
// TODO get rid of this if, in favor of an empty treenode
if ($root_node) {
$this->addChildrenNodes($root_node, $artifacts, $user);
}
return $artifacts;
}
/**
* Adds $parent_node children according to $artifact ones.
*
* @param type $user
* @param type $artifact
* @param type $parent_node
* @param type $parents The list of parents to prevent infinite recursion
*
* @return boolean
*/
private function addChildrenPlannedArtifacts(User $user, Tracker_Artifact $artifact, TreeNode $parent_node, array $parents)
{
$linked_artifacts = $artifact->getUniqueLinkedArtifacts($user);
if (!$linked_artifacts) {
return false;
}
if (in_array($artifact->getId(), $parents)) {
return false;
}
$parents[] = $artifact->getId();
foreach ($linked_artifacts as $linked_artifact) {
$node = $this->makeNodeWithChildren($user, $linked_artifact, $parents);
$parent_node->addChild($node);
}
}