public ActionResult MakeTransfer([FromBody] TransferDto data)
        {
            var userId = userManager.GetUserId(User);
            var user   = context.Users.Include(x => x.Wallets).FirstOrDefault(x => x.Id == userId);

            if (!user.Wallets.Any(x => x.Currency == data.Currency))
            {
                return(BadRequest());
            }

            var source = user.Wallets.FirstOrDefault(x => x.Currency == data.Currency);

            if (source.Amount < data.Amount)
            {
                return(BadRequest());
            }

            var destinationUser = context.Users.Include(x => x.Wallets).FirstOrDefault(x => x.UserName == data.Username);

            if (destinationUser == null)
            {
                throw new NotFoundException();
            }

            var destination = destinationUser.Wallets.FirstOrDefault(x => x.Currency == data.Currency);

            if (destination == null)
            {
                destination = new Wallet
                {
                    Amount   = 0,
                    Currency = data.Currency
                };

                destinationUser.Wallets.Add(destination);
            }

            source.Amount      -= data.Amount;
            destination.Amount += data.Amount;

            var transaction = new Transaction
            {
                Amount = data.Amount,
                Date   = DateTime.Now,
                DestinationWalletId = destination.Id,
                SourceWalletId      = source.Id
            };

            context.Add(transaction);

            context.SaveChanges();

            return(Ok());
        }
示例#2
0
        public IActionResult CreateWallet([FromQuery] string currency)
        {
            var userId = userManager.GetUserId(User);

            var wallet = new Wallet
            {
                Amount   = 0,
                Currency = currency
            };

            var user = context.Users.Include(x => x.Wallets).FirstOrDefault(x => x.Id == userId);

            if (user.Wallets == null)
            {
                user.Wallets = new List <Wallet>();
            }

            user.Wallets.Add(wallet);

            context.SaveChanges();

            return(Ok());
        }