private async Task GetDataAsync()
{
if (this.Roles.Count != 0) //HERE IS THE ANSWER. IF LOADED, DO NOT LOAD AGAIN
return;
Uri dataUri = new Uri("ms-appx:///DataModel/Data.json"); //Get location of data
StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(dataUri); //Get the file from where the data is located
string jsonText = await FileIO.ReadTextAsync(file); //Returns the json text in which it was saved as
JsonObject jsonObject = JsonObject.Parse(jsonText); //Parse the json text into object
JsonArray jsonArray = jsonObject["Roles"].GetArray();
foreach (JsonValue roleValue in jsonArray)
{
JsonObject roleObject = roleValue.GetObject();
Role role = new Role(roleObject["UniqueId"].GetString());
foreach (JsonValue championValue in roleObject["Champions"].GetArray())
{
JsonObject championObject = championValue.GetObject();
var counterList = new ObservableCollection<String>();
foreach (JsonValue counterValue in championObject["Counters"].GetArray())
{
var counterString = counterValue.GetString();
counterList.Add(counterString);
}
role.Champions.Add(new Champion(championObject["UniqueId"].GetString(),
championObject["ImagePath"].GetString(),
counterList));
}
this.Roles.Add(role);
}
GetAllChampions(); //Fills up the all role immediately with json data serialization
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper"/>.
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private async void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
int id = await AdData.GetAdId();
HelperMethods.CreateSingleAdUnit(id,"TallAd", AdGrid);
HelperMethods.CreateAdUnits(id, "TallAd", AdGrid2, 5);
// Setup the underlying UI
var champName = (string)e.NavigationParameter;
Champion champion = DataSource.GetChampion(champName);
champions = DataSource.GetAllChampions();
this.DefaultViewModel["Champion"] = champion;
this.DefaultViewModel["Role"] = DataSource.GetRoleId(champion.UniqueId);
this.DefaultViewModel["Filter"] = champions.Champions;
// If navigating via a counterpick, on loading that page, remove the previous history so the back page will go to main or role, not champion
var prevPage = Frame.BackStack.ElementAt(Frame.BackStackDepth - 1);
if (prevPage.SourcePageType.Equals(typeof(ChampionPage))){
Frame.BackStack.RemoveAt(Frame.BackStackDepth - 1);
}
// Champion feedback code
// await commentViewModel.SeedDataAsync(champions);
// Grab the champion feedback from the server
await commentViewModel.GetChampionFeedbackAsync(champName);
// Check if an there was no champion retrieved as well as an error message (must be internet connection problem)
if (commentViewModel.ChampionFeedback == null && commentViewModel.ErrorMessage != null){
MessageDialog messageBox = new MessageDialog("Make sure your internet connection is working and try again!");
await messageBox.ShowAsync();
Application.Current.Exit();
}
// Collapse the progress ring once counters have been loaded. If the ring hasn't loaded yet, set a boolean to collapse it once it loads.
championFeedbackLoaded = true;
if (counterLoadingRing != null)
counterLoadingRing.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
if (easyMatchupLoadingRing != null)
easyMatchupLoadingRing.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
if (synergyLoadingRing != null)
synergyLoadingRing.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
if (counterCommentsLoadingRing != null)
counterCommentsLoadingRing.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
if (playingCommentsLoadingRing != null)
playingCommentsLoadingRing.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
// Check if comments exist for counter comments. If not, show a message indicating so.
if (commentViewModel.ChampionFeedback.Comments.Where(x => x.Page == PageEnum.CommentPage.Counter).Count() == 0) {
if (counterMessage == null)
emptyComments = true;
else
counterMessage.Visibility = Windows.UI.Xaml.Visibility.Visible;
}
// Check if comments exist for playing comments. If not, show a message indicating so.
if (commentViewModel.ChampionFeedback.Comments.Where(x => x.Page == PageEnum.CommentPage.Playing).Count() == 0)
{
if (playingMessage == null)
emptyPlayingComments = true;
else
playingMessage.Visibility = Windows.UI.Xaml.Visibility.Visible;
}
// Check if synergy champions existing. If not, show a message indicating so.
if (commentViewModel.ChampionFeedback.Counters.Where(x => x.Page == PageEnum.ChampionPage.Synergy).Count() == 0)
{
if (synergyMessage == null)
emptySynergyChampions = true;
else
synergyMessage.Visibility = Windows.UI.Xaml.Visibility.Visible;
}
// Make updates to champion comments observable
this.DefaultViewModel["ChampionFeedback"] = commentViewModel.ChampionFeedback;
}
public static Role FilterChampions(string filter)
{
var matches = new Role(filter);
foreach (var role in _DataSource.Roles)
{
foreach (var champion in role.Champions)
{
if (champion.UniqueId.ToLower().StartsWith(filter.ToLower()) && role.UniqueId != "All")
matches.Champions.Add(champion);
}
}
matches.Champions = new ObservableCollection<Champion>(matches.Champions.OrderBy(p => p.UniqueId));
return matches;
}