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());
}
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());
}