public async Task NoWithdrawalFromEmptyWallet()
{
CreateTransactionOrderCommand command = new CreateTransactionOrderCommand
{
Value = -50000,
Timestamp = 1605037286186,
WalletId = "1735613419",
};
Assert.Null((await walletController.CreateTransaction(command)));
}
public async Task CanCreateTransactionAsync()
{
CreateTransactionOrderCommand command = new CreateTransactionOrderCommand
{
Value = 3000,
Timestamp = 1605037286186,
WalletId = "1735613419",
};
Assert.NotNull((await walletController.CreateTransaction(command)).Value);
}
public async Task <ActionResult <Transaction> > CreateTransaction(CreateTransactionOrderCommand command)
{
try
{
var wallet = await _walletContext.Wallets.Where(x => x.Id == command.WalletId).FirstOrDefaultAsync();
if (wallet == null)
{
return(null);
}
if ((wallet.Balance + command.Value) < 0)
{
return(null);
}
wallet.Balance += command.Value;
var transactionDoc = new Transaction
{
WalletId = command.WalletId,
Type = (command.Value > 0) ? TransactionType.Deposit : TransactionType.Withdrawal,
WalletBalance = wallet.Balance,
Amount = Math.Abs(command.Value),
CreatedAt = DateTime.Now,
Timestamp = command.Timestamp
};
_txContext.Transactions.Add(transactionDoc);
await _txContext.SaveChangesAsync();
_walletContext.Entry(wallet).State = EntityState.Modified;
await _walletContext.SaveChangesAsync();
return(transactionDoc);
}
catch (Exception e)
{
Console.WriteLine(e.StackTrace);
return(null);
}
}
public async Task <ActionResult <Transaction> > CreateTransaction(CreateTransactionOrderCommand command)
{
return(await _txWriteService.CreateTransaction(command));
}
