private function filterOutAssignedBacklogItems(AgileDashboard_Milestone_Backlog_IBacklogItemCollection $collection, PFUser $user)
{
$artifact_ids = $this->getBacklogItemsArtifactIds($collection);
if (!$artifact_ids) {
return $collection;
}
$collection->rewind();
$artifact = $collection->current()->getArtifact();
$project_id = $artifact->getTracker()->getProject()->getID();
$plannings = $this->planning_factory->getPlannings($user, $project_id);
$planning_milestone_tracker_ids = $this->getPlanningMilestoneTrackerIds($plannings);
if (!$planning_milestone_tracker_ids) {
return $collection;
}
$linked_item_artifacts_ids = $this->artifact_factory->getArtifactIdsLinkedToTrackers($artifact_ids, $planning_milestone_tracker_ids);
return $this->removeLinkedItemsFromCollection($collection, $linked_item_artifacts_ids);
}
