public ActionResult Calculation(string mathExpression)
{
// ::1 is also ok, when it's running on local machine (it's equal to 127.0.0.1)
string userIpAddress = Request.UserHostAddress;
//Create user or get it frod database if exists
User user = _userRepo.GetUserByIpAddress(userIpAddress);
if (user == null)
{
_userRepo.Create(new User {
IpAddress = userIpAddress
});
user = _userRepo.GetUserByIpAddress(userIpAddress);
}
//Form calculation, put it into the database
try
{
Calculation userCalculation = mathExpression.ToCalculaton();
userCalculation.CreationDate = DateTime.Now;
userCalculation.UserId = user.UserId;
_calcRepo.Create(userCalculation);
return(Json(userCalculation.ToCalculationDto(), JsonRequestBehavior.AllowGet));
}
catch (ArgumentException)
{
return(View("Cannot parse such expression. Please update the page and try again."));
}
catch (Exception)
{
return(View("Connection problems...Please update the page and try again."));
}
}
