public async Task <bool> processTransaction(string transactionCode)
        {
            string[] codeArray = transactionCode.Split('/');
            string   tagNumber = codeArray[0];
            string   plazaId   = codeArray[1];

            double amount = 0;

            Vehicle vehicle = await _repo.getVehicleWithTag(tagNumber);

            Plaza plaza = await _repo.GetPlaza(Int32.Parse(plazaId));

            switch (vehicle.VehicleType)
            {
            case "jeep":
                amount = 30 * plaza.Amount;
                break;

            case "car":
                amount = 20 * plaza.Amount;
                break;

            case "tricycle":
                amount = 10 * plaza.Amount;
                break;

            case "motorcycle":
                amount = 5 * plaza.Amount;
                break;

            case "trailer":
                amount = 50 * plaza.Amount;
                break;

            case "lorry":
                amount = 40 * plaza.Amount;
                break;
            }

            if (!(await chargeUserAccount(vehicle.VehicleOwnerId, amount)))
            {
                return(false);
            }

            await logTransaction(new ChargeLog
            {
                Amount    = amount,
                VehicleId = vehicle.VehicleId,
                UserId    = vehicle.VehicleOwnerId,
                PlazaId   = plaza.PlazaId
            });

            return(true);
        }
        public async Task <IActionResult> getPlaza(int id)
        {
            var plazaRepo = await _repo.GetPlaza(id);

            return(Ok(plazaRepo));
        }