public Response RemovePlayerFromAssignment(PlayerAssignmentRequest request) { var club = clubQuery.GetClub(request.ClubId); if (club == null) { return(Response.CreateResponse(new EntityNotFoundException("The specified club does not exist"))); } var assignment = assignmentQuery.GetPlayerAssignment(new Core.Queries.PlayerAssignmentQuery { ClubId = request.ClubId, AssignmentId = request.AssignmentId, PlayerId = request.PlayerId }); if (assignment == null) { return(Response.CreateResponse(new EntityNotFoundException("The specified assignment does not exist"))); } else if (assignment.ClubId != request.ClubId) { return(Response.CreateResponse(new IllegalOperationException("The specified assignment does not belong to this club"))); } try { assignmentRepository.DeletePlayerAssignment(request); return(Response.CreateSuccessResponse()); }catch (Exception ex) { return(Response.CreateResponse(ex)); } }