public ActionResult EquationGeneratorForm(string abbreviation)
{
EquationsRepository equationRespository = new EquationsRepository(Cache, ReadEquationData);
Equation requestedEquation = equationRespository.GetAnEquation(abbreviation);
EquationAnswerViewModel equationAnswerViewModel = new EquationAnswerViewModel();
if(requestedEquation!=null)
{
equationAnswerViewModel.myEquation = requestedEquation;
}
return View(equationAnswerViewModel);
}
public ActionResult EquationGeneratorForm(FormCollection collection)
{
string equationQuery = string.Empty;
string equation = string.Empty;
double answer = 0;
string error = string.Empty;
EquationAnswerViewModel equationAnswerViewModel = new EquationAnswerViewModel();
EquationsRepository equationRespository = new EquationsRepository(Cache, ReadEquationData);
if (collection.AllKeys.Contains("abbreviation"))
{
equationQuery = collection["abbreviation"];
Equation requestedEquation = equationRespository.GetAnEquation(equationQuery);
if (requestedEquation != null)
{
equation = requestedEquation.EquationExpression;
equationAnswerViewModel.myEquation = requestedEquation;
}
//Substitute my variable in equation with value from user.
foreach (string key in collection.Keys)
{
string tmp = collection[key];
if (equation.Contains(key))
{
equation = equation.Replace(key, tmp);
if (equationAnswerViewModel.myCollection==null)
{
equationAnswerViewModel.myCollection = new Dictionary<string, string>();
}
equationAnswerViewModel.myCollection.Add(key, tmp);
}
}
if (MathExpressionParser.SolveExpression(equation, out answer, out error))
{
equationAnswerViewModel.myAnswer = answer;
}
else
{
myLogger.Error("Error using SimpleCalculatorService: "+error);
return View("Error");
}
//DemoMVC.SimpleCalcServiceConsoleHost.CalculatorClient calculatorClient = new SimpleCalcServiceConsoleHost.CalculatorClient();
//try
//{
// answer = calculatorClient.SolveExpression(equation);
// equationAnswerViewModel.myAnswer = double.Parse(answer);
// // More code that isn't useful including here ...
//}
//catch (Exception e)
//{
// ErrorSignal.FromCurrentContext().Raise(e);
// //logger.Error("Error using SimpleCalculatorService.", e);
//}
//finally
//{
// calculatorClient.Close();
//}
}
else
{
myLogger.Error("Key not found.");
return View("Error");
}
return View(equationAnswerViewModel);
}