/// <summary>
/// Represent calculate interest web service
/// </summary>
/// <param name="accountId"></param>
/// <param name="notes"></param>
/// <returns></returns>
public double?CalculateInterest(int accountId, string notes)
{
BankAccount bankAccount = db.BankAccounts.Where(x => x.BankAccountId == accountId).SingleOrDefault();
AccountState state = db.AccountStates.Where(x => x.AccountStateId == bankAccount.AccountStateId).SingleOrDefault();
double rate = state.RateAdjustment(bankAccount);
double interest = (rate * bankAccount.Balance) / 12;
bankAccount.Balance += interest;
db.SaveChanges();
TransactionRecord(accountId, (int)TransactionTypeValues.CalculateInterest, interest, notes);
return(bankAccount.Balance);
}
/// <summary>
/// Determines the calculated interest and returns the new balance
/// </summary>
/// <param name="accountId">Account ID of the bank account being applied the interest</param>
/// <param name="notes">Interest notes</param>
/// <returns>The updated balance</returns>
public double?CalculateInterest(int accountId, string notes)
{
BankAccount bankAccount = db.BankAccounts.Where(x => x.BankAccountId == accountId).SingleOrDefault();
AccountState accountState = bankAccount.AccountState;
double interestRate = accountState.RateAdjustment(bankAccount);
double calculatedInterest = (interestRate * bankAccount.Balance * 1) / 12;
if (calculatedInterest < 0)
{
Withdrawal(accountId, Math.Abs(Math.Round(calculatedInterest, 2)), "Withdrawn interest");
}
else if (calculatedInterest > 0)
{
Deposit(accountId, Math.Round(calculatedInterest, 2), "Deposited interest");
}
return(bankAccount.Balance);
}
