public async Task <OperationResult <UserWalletsDTO> > ChangeWalletBalanceAsync
(UserWalletBalanceOperationDTO userWallet)
{
if (!userWallet.UserId.HasValue)
{
throw new ArgumentNullException(nameof(userWallet.UserId), "User ID must not be null.");
}
var user = _userService.Get(userWallet.UserId.Value);
if (user == null)
{
user = await _userService.CreateUserAsync();
}
if (!await _currencySrv.IsExists(userWallet.Wallet.Currency))
{
return(OperationResultBuilder <UserWalletsDTO>
.BuildError(null, "Currency does not exist or is not supported."));
}
var wallet = _walletRepo.Data
.FirstOrDefault(w =>
w.UserFK.Equals(user.Id) &&
string.Equals(w.CurrencyISOCode, userWallet.Wallet.Currency, StringComparison.InvariantCultureIgnoreCase));
if (wallet == null)
{
wallet = new Wallet()
{
UserFK = user.Id,
Amount = 0,
CurrencyISOCode = userWallet.Wallet.Currency
};
wallet = await _walletRepo.AddAsync(wallet);
}
wallet.Amount += userWallet.Wallet.Amount;
if (wallet.Amount < 0)
{
return(OperationResultBuilder <UserWalletsDTO> .BuildError(null,
"Operation rejected, insufficient funds."));
}
wallet = await _walletRepo.UpdateAsync(wallet);
return(await GetUserWalletsAsync(user.Id));
}
public async Task <IActionResult> ChangeWalletsBalance([FromBody] UserWalletBalanceOperationDTO userWallet)
{
if (userWallet == null ||
!userWallet.UserId.HasValue)
{
return(BadRequest("Invalid model."));
}
var result = await _walletSrv.ChangeWalletBalanceAsync(userWallet);
if (result.IsSuccess)
{
return(Ok(result));
}
return(BadRequest(result));
}
