public NodeProgress GetNodeContent(int knowledgeNodeId, int?learnerId)
{
var knowledgeNode = _lectureRepository.GetKnowledgeNodeWithSummaries(knowledgeNodeId);
if (knowledgeNode == null)
{
return(null);
}
if (learnerId == null)
{
return(new NodeProgress(
0, 0, knowledgeNode, NodeStatus.Unlocked, _instructor.GatherDefaultLearningObjects(knowledgeNode.LearningObjectSummaries)));
}
return(BuildNodeForLearner(knowledgeNode, (int)learnerId));
}