public IActionResult Add([FromBody] CreditCardInfo cardInfo)
{
try
{
if (cardInfo.CardNumber > 9999999999999999)
{
return(BadRequest("Card number should have maximum of 16 characters"));
}
if (cardInfo.CVV > 99999)
{
return(BadRequest("CVV should have maximum of 5 characters"));
}
IssuedToken issuedToken = new IssuedToken()
{
RegistrationDate = DateTime.UtcNow
};
issuedToken.Token = string.Format("{0}{1:yyyy}{1:MM}{1:dd}{1:HH}{1:mm}", cardInfo.CardNumber, issuedToken.RegistrationDate);
issuedToken.Token = Transformations.Rotate(Transformations.AbsoluteDifference(issuedToken.Token, 5), cardInfo.CVV);
_dbContext.IssuedTokens.Add(issuedToken);
_dbContext.SaveChanges();
return(new JsonResult(new { registration_date = issuedToken.RegistrationDate, token = issuedToken.Token }));
}
catch (Exception ex)
{
/* log ex message */
return(BadRequest("Error processing credit card."));
}
}