public static List<ItemViewModel> ReadHistoryFile()
{
using (IsolatedStorageFile myIsolatedStorage = IsolatedStorageFile.GetUserStoreForApplication())
{
try
{
IsolatedStorageFileStream isoFileStream = myIsolatedStorage.OpenFile("RecipeHub.xml", FileMode.Open);
using (StreamReader reader = new StreamReader(isoFileStream))
{
string filestring = reader.ReadToEnd();
var list = new List<ItemViewModel>();
var recetas = ObtainRecipes(filestring);
foreach (XElement xElement in recetas)
{
string title = xElement.Elements().SingleOrDefault(x => x.Name.LocalName.Equals("Title")).Value;
string author = xElement.Elements().SingleOrDefault(x => x.Name.LocalName.Equals("Author")).Value;
string image = xElement.Elements().SingleOrDefault(x => x.Name.LocalName.Equals("ImageLink")).Value;
string link = xElement.Elements().SingleOrDefault(x => x.Name.LocalName.Equals("Link")).Value;
var viewModel = new ItemViewModel
{
Author = author,
Title = title,
RecipeLink = link
};
viewModel.SetImageRecipeFrom(image);
list.Add(viewModel);
}
return list;
}
}
catch (IsolatedStorageException)
{
// has no file is the first time
return null;
}
}
}
public static void UpdateVisitHistory(ItemViewModel ivm)
{
if (_lastVisit.Count == 10)
_lastVisit.Pop();
if (!_lastVisit.Any(x=>x.RecipeLink == ivm.RecipeLink))
_lastVisit.Push(ivm);
}
private void UpdateUI(ResultEventArgs e)
{
var list = e.Result as List<Recipe>;
if (list != null)
{
foreach (var item in list)
{
var vm = new ItemViewModel { Author = item.Author, Title = item.Title, RecipeLink = item.LinkUrl };
vm.SetImageRecipeFrom(item.ImageUrl);
RecentRecipes.Add(vm);
}
UpdateHistoryUI();
}
else if(e.Result is string)
{
string msg = (string)e.Result;
MessageBox.Show(msg, "Error", MessageBoxButton.OK);
}
else if (e.Result is Exception)
{
var ex = ((Exception)e.Result);
BugSenseHandler.Instance.SendException(ex);
string msg = ex.Message;
MessageBox.Show(msg, "Error", MessageBoxButton.OK);
}
this.IsDataLoaded = true;
ProgressVisibility = Visibility.Collapsed;
}
private void UpdateSearchUI(ResultEventArgs e)
{
var list = e.Result as List<Recipe>;
if (list != null)
{
FoundRecipes.Clear();
foreach (var item in list)
{
var vm = new ItemViewModel { Author = item.Author, Title = item.Title, RecipeLink = item.LinkUrl };
vm.SetImageRecipeFrom(item.ImageUrl);
FoundRecipes.Add(vm);
}
this.IsDataLoaded = true;
ProgressVisibility = Visibility.Collapsed;
}
}
