public async Task <ActionResult <MindMap> > PostMindMap(MindMapDTO mindMap) { var room = await _roomRepository.Get(mindMap.RoomId); if (room == null) { return(BadRequest()); } var doc = new MindMap { DateOfCreation = DateTime.UtcNow, Name = mindMap.Name, Room = room, }; await _repository.Add(doc); return(Ok()); // CreatedAtAction("GetChat", new { id = mindMap.Id }, mindMap); }