public IActionResult Relationship(string roommateId)
        {
            RoomieRepo                 roomieRepo          = new RoomieRepo(_context);
            TransactionRepo            transRepo           = new TransactionRepo(_context);
            string                     userId              = User.getUserId();
            Roommate                   currentSignedInUser = roomieRepo.GetRoommate(userId);
            Roommate                   roommate            = roomieRepo.GetRoommate(roommateId);
            List <RoommateTransaction> transactions        = transRepo.GetAllRelationshipTransactions(userId, roommateId).ToList();
            decimal                    relationshipBalance = transRepo.GetIndividualRelationshipBalance(userId, roommateId);

            RelationshipVM relVM = new RelationshipVM()
            {
                CurrentUser = currentSignedInUser,
                Roommate    = roommate,
                OneRoommateTranstactions = transactions,
                RelationshipBalance      = relationshipBalance
            };

            return(View(relVM));
        }