//
// POST: /Labs/Lab4
public ActionResult Lab4()
{
Lab4DataAccess dataAccess = new Lab4DataAccess(RavenSession);
PrintingCalculator item = dataAccess.RetrieveFromSession();
Lab4ViewModel model = new Lab4ViewModel();
if(item != null)
{
model.InjectFrom(item);
}
return View("Lab4", model);
}
public ActionResult Lab4(string add, string subtract, string multiply, string divide, string clearmemory, string execute, Lab4ViewModel model)
{
int value = 0;
Lab4DataAccess dataAccess = new Lab4DataAccess(RavenSession);
PrintingCalculator item = dataAccess.RetrieveFromSession();
if(!string.IsNullOrEmpty(model.CalculatedValue) && int.TryParse(model.CalculatedValue, out value))
{
if(!string.IsNullOrEmpty(add))
{
item.Add(value);
}
else if(!string.IsNullOrEmpty(subtract))
{
item.Subtract(value);
}
else if(!string.IsNullOrEmpty(multiply))
{
item.Multiply(value);
}
else if(!string.IsNullOrEmpty(divide))
{
item.Divide(value);
}
//Save to store
RavenSession.Store(item);
RavenSession.SaveChanges();
//Map changes to model
model.InjectFrom(item);
ModelState.Remove("CalculatedValue");
model.CalculatedValue = string.Empty;
}
else
{
if(!string.IsNullOrEmpty(clearmemory))
{
ModelState.Clear();
ModelState.Remove("CalculatedValue");
model.CalculatedValue = string.Empty;
dataAccess.ClearFromSession();
//Clear Model
model = new Lab4ViewModel();
}
else if(!string.IsNullOrEmpty(execute))
{
ModelState.Clear();
ModelState.Remove("CalculatedValue");
model.CalculatedValue = string.Empty;
}
else
{
//Map changes to model
model.InjectFrom(item);
}
}
return View("Lab4", model);
}