public IHttpActionResult VerifyBankDetails(string sortCode, string accountNo)
{
var bankAccount = new BankDetails(sortCode, accountNo);
var accountChecker = new StandardModulusCheck(_modulusParametersFactory.CreateModulusParameters(bankAccount));
return(Ok(new VerifyResult(accountChecker.IsValid(bankAccount))));
}
protected bool ProcessWeightingRule(BankAccountDetails bankAccountDetails, IModulusWeightMapping modulusWeightMapping)
{
var weightingSum = new StandardModulusCheck().GetModulusSum(bankAccountDetails, modulusWeightMapping);
var remainder = weightingSum % Modulus;
return(modulusWeightMapping.Exception == 4
? bankAccountDetails.AccountNumber.GetExceptionFourCheckValue == remainder
: remainder == 0);
}
public void IsValid_ValidAccountDetails_ReturnsTrue(string sortCode, string accountNo, ModulusCheckingMethod checkingMethod)
{
// Arrange
var bankDetails = new BankDetails(sortCode, accountNo);
var modulusParametersFactory = new ModulusParametersFactory(ModulusTestHelper.CreateStandardWeightingTable(checkingMethod));
var modulusParameters = modulusParametersFactory.CreateModulusParameters(bankDetails);
var standardModulusCheck = new StandardModulusCheck(modulusParameters);
// Act
var result = standardModulusCheck.IsValid(bankDetails);
// Assert
Assert.AreEqual(true, result);
}
/// For the standard check with exception 5 the checkdigit is g from the original account number.
/// • After dividing the result by 11;
/// - if the remainder=0 and g=0 the account number is valid
/// - if the remainder=1 the account number is invalid
/// - for all other remainders, take the remainder away from 11. If the number you get is the same as g
/// then the account number is valid.
private new bool ProcessWeightingRule(BankAccountDetails bankAccountDetails, IModulusWeightMapping modulusWeightMapping)
{
var weightingSum = new StandardModulusCheck().GetModulusSum(bankAccountDetails, modulusWeightMapping);
var remainder = weightingSum % Modulus;
switch (remainder)
{
case 0:
return(bankAccountDetails.AccountNumber.IntegerAt(6) == 0);
case 1:
return(false);
default:
return(Modulus - remainder == bankAccountDetails.AccountNumber.IntegerAt(6));
}
}
public void Setup()
{
_checker = new StandardModulusCheck();
}
