public string AddAssignment(Assignment assignment) { string id = ""; var _assignment = _assignmentRepository.GetByWorkOrder(assignment.WorkOrderId); if (_assignment == null) { id = Guid.NewGuid().ToString(); assignment.Id = id; assignment.CreationDate = DateTime.Now; assignment.StartDate = assignment.EstimatedStartDate; _assignmentRepository.Add(assignment); assignment.Active = false; } else { id = _assignment.Id; assignment.Active = true; } assignment.AssignedPersonnel.ForEach(p => { p.AssignmentId = id; //assignment.Id; }); if (!assignment.Active) { assignment.Location.AssignmentId = id; // assignment.Id; _assignmentRepository.AddLocation(assignment.Location); } _assignmentRepository.AddPersonnel(assignment.AssignedPersonnel); return(id); //return assignment.Id; }