private void RepopulateListsFromCacheSession(GradeVM model)
{
// Populate cached lists if they are empty. Will invoke service call
GradeLookupListsCacheObject CachedLists = cacheManager.GradeListCache;
// Retrieve any cached lists to model
}
/// <summary>
/// Private method to merge in the model
/// </summary>
/// <returns></returns>
private GradeVM GetUpdatedModel()
{
GradeVM model = new GradeVM();
RepopulateListsFromCacheSession(model);
model.Message = "";
if (sessionManager.CurrentGrade != null)
{
model.GradeItem = sessionManager.CurrentGrade;
}
//***************************************NEED WHITE LIST ---- BLACK LIST ------ TO PREVENT OVERPOSTING **************************
bool result = TryUpdateModel(model);//This also validates and sets ModelState
//*******************************************************************************************************************************
if (sessionManager.CurrentGrade != null)
{
//*****************************************PREVENT OVER POSTING ATTACKS******************************************************
//Get the values for read only fields from session
MergeNewValuesWithOriginal(model.GradeItem);
//***************************************************************************************************************************
}
SetAccessContext(model);
return(model);
}
public ActionResult Edit()
{
// Retrieve ID from session
string code = sessionManager.GradeCode;
GradeVM model = new GradeVM();
// Not from staff or error
if (String.IsNullOrEmpty(code))
{
//If session has lists then use them
RepopulateListsFromCacheSession(model);
//Assume we are in create mode as no code passed
model.GradeItem = new GradeModel()
{
IsActive = true
};
}
//if we have been passed a code then assume we are in edit situation and we need to retrieve from the database.
else
{
// Create service instance
IUcbService sc = UcbService;
try
{
// Call service to get Grade item and any associated lookups
GradeVMDC returnedObject = sc.GetGrade(CurrentUser, CurrentUser, appID, "", code);
// Close service communication
((ICommunicationObject)sc).Close();
//Get view model from service
model = ConvertGradeDC(returnedObject);
ResolveFieldCodesToFieldNamesUsingLists(model);
//Store the service version
sessionManager.GradeServiceVersion = model.GradeItem;
}
catch (Exception e)
{
// Handle the exception
string message = ExceptionManager.HandleException(e, (ICommunicationObject)sc);
model.Message = message;
return(View(model));
}
}
//Adds current retrieved Grade to session
sessionManager.CurrentGrade = model.GradeItem;
SetAccessContext(model);
return(View(model));
}
private void SetFlagsFalse(GradeVM model)
{
model.IsExitConfirmed = "False";
model.IsNewConfirmed = "False";
//Stop the binder resetting the posted values
ModelState.Remove("IsDeleteConfirmed");
ModelState.Remove("IsExitConfirmed");
ModelState.Remove("IsNewConfirmed");
}
private GradeVM ConvertGradeDC(GradeVMDC returnedObject)
{
GradeVM model = new GradeVM();
// Map Grade Item
model.GradeItem = Mapper.Map <GradeDC, GradeModel>(returnedObject.GradeItem);
// Map lookup data lists
return(model);
}
private void DetermineIsDirty(GradeVM model)
{
//Compare the Grade to the original session
if (model.GradeItem.PublicInstancePropertiesEqual(sessionManager.GradeServiceVersion, "RowIdentifier"))
{
model.IsViewDirty = false;
}
else
{
model.IsViewDirty = true;
}
}
private void SetAccessContext(GradeVM model)
{
//Decide on access context
if (null == model.GradeItem || model.GradeItem.Code == Guid.Empty)
{
// Create context
model.AccessContext = GradeAccessContext.Create;
}
else
{
// Edit context
model.AccessContext = GradeAccessContext.Edit;
}
}
private void ResolveFieldCodesToFieldNamesUsingLists(GradeVM model)
{
//TODO:
}
