/**
* Return the parent artifact
*
* @param PFUser $user
* @param Tracker_Artifact $child
*
* @return null| Tracker_Artifact
*/
public function getParentArtifact(PFUser $user, Tracker_Artifact $child)
{
$dar = $this->hierarchy_dao->getParentsInHierarchy($child->getId());
if ($dar && !$dar->isError()) {
$parents = array();
foreach ($dar as $row) {
$parents[] = $this->artifact_factory->getInstanceFromRow($row);
}
if (count($parents) > 1) {
$warning = $GLOBALS['Language']->getText('plugin_tracker_hierarchy', 'error_more_than_one_parent', array($this->getParentTitle($child), $this->getParentsList($parents)));
$GLOBALS['Response']->addFeedback('warning', $warning, CODENDI_PURIFIER_LIGHT);
}
if ($parents) {
return $parents[0];
}
}
return null;
}
/**
* Return the parent artifact
*
* @param User $user
* @param Tracker_Artifact $child
*
* @throws Tracker_Hierarchy_MoreThanOneParentException
*
* @return null| Tracker_Artifact
*/
public function getParentArtifact(User $user, Tracker_Artifact $child)
{
$dar = $this->hierarchy_dao->getParentsInHierarchy($child->getId());
if ($dar && !$dar->isError()) {
switch ($dar->rowCount()) {
case 0:
return null;
case 1:
return $this->artifact_factory->getInstanceFromRow($dar->getRow());
default:
$parents = array();
foreach ($dar as $row) {
$parents[] = $this->artifact_factory->getInstanceFromRow($row);
}
throw new Tracker_Hierarchy_MoreThanOneParentException($child, $parents);
}
}
return null;
}
