/// <summary>
/// Validate card number
/// </summary>
/// <param name="cardNumber">Card number</param>
/// <returns>Validation result <see cref="ValidationResult" /> </returns>
public object Validate([FromBody] string cardNumber)
{
try
{
if (cardNumber == null)
{
return(BadRequest($"Card number not specified"));
}
decimal?cardNumberDec = CardNumberHelper.TryParse(cardNumber);
if (cardNumberDec == null)
{
return(BadRequest($"Invalid card number"));
}
var res = Repository.ValidateCard(cardNumberDec.Value);
return(new ValidationResult
{
CardType = res.CardType,
ValidationStatus = res.ValidationStatus,
});
}
catch (Exception e)
{
Logger.Error(e, $"Validate cardNumber={cardNumber}");
return(InternalServerError(e));
}
}
static void TestParseCardNumber(string cardNumberString, decimal?expectedCardNumber)
{
decimal?actualCardNumber = CardNumberHelper.TryParse(cardNumberString);
Assert.AreEqual(expectedCardNumber, actualCardNumber);
}
public void TestParseCardNumber15HyphenDelimValid()
=> Assert.AreEqual(123456789012345M, CardNumberHelper.TryParse("1234-567890-12345"));
public void TestParseCardNumber15MixDelimInvalid()
=> Assert.AreEqual(null, CardNumberHelper.TryParse("1234 567890-12345"));
public void TestParseCardNumber15WhitespaceDelimValid()
=> Assert.AreEqual(123456789012345M, CardNumberHelper.TryParse("1234 567890 12345"));
public void TestParseCardNumber16HyphenDelimValid()
=> Assert.AreEqual(1234567812345678M, CardNumberHelper.TryParse("1234-5678-1234-5678"));
public void TestParseCardNumberGreater16Invalid()
=> Assert.AreEqual(null, CardNumberHelper.TryParse("12345678123456781"));
public void TestParseCardNumber15Valid()
=> Assert.AreEqual(123456781234567M, CardNumberHelper.TryParse("123456781234567"));
public void TestParseCardNumberLess15Invalid()
=> Assert.AreEqual(null, CardNumberHelper.TryParse("12345678123456"));
public void TestParseCardNumberNonDigitCharsInvalid()
=> Assert.AreEqual(null, CardNumberHelper.TryParse("1234567812345A"));
public void TestParseCardNumberEmptyInvalid() => Assert.AreEqual(null, CardNumberHelper.TryParse(string.Empty));