/// <summary>
/// Searches the server for featured quizzes and sets the chunk equal to the servers response
/// </summary>
private async Task Search()
{
List <QuizInfo> chunk = new List <QuizInfo>();
chunk = SearchUtils.GetQuizzesByAuthorChunked("BizQuiz", this.currentChunk);
if (chunk.Count < 20)
{
this.quizzesRemaining = false;
}
await Task.Run(() => this.AddQuizzes(chunk));
}
/// <summary>
/// Sets up the network quizzes owned by this user as cards
/// </summary>
private void SetupNetworkQuizzes(string category)
{
List <QuizInfo> chunk = SearchUtils.GetQuizzesByAuthorChunked(CredentialManager.Username, this.currentChunk);
if (chunk.Count == 0)
{
return;
}
this.AddQuizzes(
chunk.Where(quizInfo =>
(quizInfo.Category == category) || (category == "All")).ToList(), true);
}
/// <summary>
/// Refreshes the page's quiz content
/// </summary>
private async Task RefreshAsync()
{
this.LabelNoQuiz.IsVisible = false;
this.SearchedStack.Children.Clear();
this.quizzesFeatured.Clear();
try
{
if (CredentialManager.IsLoggedIn)
{
this.PickerCategory.IsVisible = true;
this.ToolbarItemSearchButton.IsEnabled = true;
Device.BeginInvokeOnMainThread(() => {
this.SearchedStack.Children.Clear();
this.ActivityIndicator.IsVisible = true;
this.ActivityIndicator.IsRunning = true;
});
await Task.Run(() => this.AddQuizzes(SearchUtils.GetQuizzesByAuthorChunked("BizQuiz", 1)));
Device.BeginInvokeOnMainThread(() =>
{
this.ActivityIndicator.IsVisible = false;
this.ActivityIndicator.IsRunning = false;
});
}
else
{
this.PickerCategory.IsVisible = false;
this.ToolbarItemSearchButton.IsEnabled = false;
this.SearchedStack.Children.Clear();
this.SearchedStack.Children.Add(
new Frame()
{
CornerRadius = 10,
HorizontalOptions = LayoutOptions.CenterAndExpand,
Content = new Label
{
Text = "Create an account to create, search for, and use quizzes " +
"created by the BizQuiz community!",
HorizontalTextAlignment = TextAlignment.Center,
FontSize = 38
}
});
}
}
catch (Exception ex)
{
BugReportHandler.SaveReport(ex);
await this.DisplayAlert("Error", "Couldn't get quizzes", "Ok");
}
}
/// <summary>
/// Conducts a search of the online database
/// </summary>
/// <returns></returns>
private async Task SearchAsync()
{
try
{
this.isLoading = true;
Device.BeginInvokeOnMainThread(() =>
{
this.SearchedStack.Children.Clear();
this.ActivityIndicator.IsRunning = true;
});
List <QuizInfo> chunk = new List <QuizInfo>();
if (this.searchType == SearchType.Title)
{
chunk = SearchUtils.GetQuizzesByQuizNameChunked(this.SearchBar.Text, this.currentChunk);
}
else
{
chunk = SearchUtils.GetQuizzesByAuthorChunked(this.SearchBar.Text, this.currentChunk);
}
if (chunk.Count < 20)
{
await Task.Run(() => this.AddQuizzes(chunk));
}
Device.BeginInvokeOnMainThread(() =>
{
if (this.SearchedStack.Children.Count() == 0)
{
this.LableNone.IsVisible = true;
}
else
{
this.LableNone.IsVisible = false;
}
this.ActivityIndicator.IsRunning = false;
});
this.isLoading = false;
}
catch (Exception ex)
{
BugReportHandler.SaveReport(ex);
await this.DisplayAlert("Search Failed", "Try again later", "Ok");
}
}