public async Task <TransactionCheckResult> CheckTransaction(string accFromName, string userFromName, string accToName, string userToName, decimal amount)
{
decimal commissionCoeff = 0;
TransactionCheckResult result = new TransactionCheckResult()
{
IsParsed = true
};
AccountEntity accEntityFrom = await GetAccountEntityAsync(accFromName, userFromName);
AccountEntity accEntityTo = await GetAccountEntityAsync(accToName, userToName);
result.CurrFrom = accEntityFrom.Currency;
result.CurrTo = accEntityTo.Currency;
if (accEntityFrom.IsCommission != true)
{
commissionCoeff = 0.02m;
}
Money moneyFrom = new Money(accEntityFrom.Amount, accEntityFrom.Currency.StrToCurrency());
if (!moneyFrom.IsEnoughMoney(new Money(amount, accEntityFrom.Currency.StrToCurrency()), new Money(amount * commissionCoeff, accEntityFrom.Currency.StrToCurrency())))
{
result.IsEnough = false;
result.SendAmount = accEntityFrom.Amount / (1m + commissionCoeff);
}
else
{
decimal exchangeCoeff = await _globalRates.GetRateAsync(accEntityFrom.Currency.StrToCurrency(), accEntityTo.Currency.StrToCurrency());
result.IsEnough = true;
result.SendAmount = amount * (1m + commissionCoeff);
result.Receive = amount * exchangeCoeff;
result.Commission = amount * commissionCoeff;
result.Rest = accEntityFrom.Amount - result.SendAmount;
}
return(result);
}
public async Task <TransactionCheckResult> TransactionAsync(string accFromName, string userFromName, string accToName, string userToName, decimal amount)
{
TransactionCheckResult result = new TransactionCheckResult();
if (accFromName == accToName && userFromName == userToName)
{
result.IsSameAccs = true;
return(result);
}
AccountEntity accEntityFrom = await GetAccountEntityAsync(accFromName, userFromName);
AccountEntity accEntityTo = await GetAccountEntityAsync(accToName, userToName);
Account accFrom = new Account(accEntityFrom, AccountCreationOptions.EmptyName);
Account accTo = new Account(accEntityTo, AccountCreationOptions.EmptyName);
decimal coefficient = await _globalRates.GetRateAsync(accFrom.Money.Curr, accTo.Money.Curr);
accFrom.Money.AdjustExchangeRate(accFrom.Money.Curr, accTo.Money.Curr, coefficient);
accTo.Money.AdjustExchangeRate(accFrom.Money.Curr, accTo.Money.Curr, coefficient);
AccountManager accManager = await GetAccountManagerAsync(accEntityFrom, userFromName);
AccountEntity commissionAccEntity = await GetCommissionAccount();
CommissionAccount commissionAcc = new CommissionAccount(commissionAccEntity, AccountCreationOptions.CurrencyOnly);
commissionAcc.SubscribeToCommission(accManager);
try
{
accManager.Transaction(accFrom, accTo, amount);
}
catch (Exception ex)
{
if (ex.Message == ExceptionMessages.TransactionInsufficientFunds())
{
result.IsEnough = false;
return(result);
}
else
{
throw new Exception(ex.Message);
}
}
commissionAcc.UnsubscribeFromCommission(accManager);
result.IsEnough = true;
result.SendAmount = accEntityFrom.Amount - accFrom.Money.Amount;
result.Commission = result.SendAmount - amount;
result.Receive = accTo.Money.Amount - accEntityTo.Amount;
result.CommissionOwner = commissionAccEntity.User.UserName;
result.CommissionAccName = commissionAccEntity.AccountName;
result.CurrFrom = accEntityFrom.Currency;
result.CurrTo = accEntityTo.Currency;
accEntityFrom.Amount = accFrom.Money.Amount;
accEntityTo.Amount = accTo.Money.Amount;
commissionAccEntity.Amount += commissionAcc.Money.Amount;
DBContext.Accounts.Update(accEntityFrom);
DBContext.Accounts.Update(accEntityTo);
DBContext.Accounts.Update(commissionAccEntity);
await DBContext.SaveChangesAsync();
return(result);
}