public Task Deposit(Operation operation)
{
if (operation.Amount <= 0)
{
throw new InvalidValueException(nameof(operation.Amount));
}
_account.State.Balance += operation.Amount;
var operationHistory = new OperationHistoryEntry
{
Date = _time.Now,
Amount = operation.Amount,
Description = "Deposit",
Tags = operation.Tags
};
_account.State.History.Add(operationHistory);
return(_account.WriteStateAsync());
}
public Task Withdraw(Operation operation)
{
if (operation.Amount <= 0)
{
throw new InvalidValueException(nameof(operation.Amount));
}
if (_account.State.Balance < operation.Amount)
{
throw new InsufficientBalanceException();
}
_account.State.Balance -= operation.Amount;
var operationHistory = new OperationHistoryEntry
{
Date = _time.Now,
Amount = -(operation.Amount),
Description = "Withdraw",
Tags = operation.Tags
};
_account.State.History.Add(operationHistory);
return(_account.WriteStateAsync());
}
