// Navigate to detail page with existing joke object
private async Task SelectJoke(JokeViewModel joke)
{
if (joke == null)
{
return;
}
SelectedJoke = null;
await _pageService.PushAsync(new JokeDetailPage(joke));
}
// Delete selected joke
private async Task DeleteJoke(JokeViewModel jokeViewModel)
{
if (await _pageService.DisplayConfirm("Warning", $"Are you sure?", "Yes", "No"))
{
Jokes.Remove(jokeViewModel);
var joke = await _jokeStore.GetJokeAsync(jokeViewModel.Id);
await _jokeStore.DeleteJokeAsync(joke);
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="viewModel">The JokeViewModel</param>
/// <param name="jokeStore">The JokeStore</param>
/// <param name="pageService">The Page Service</param>
public JokeDetailViewModel(JokeViewModel viewModel, IJokeStore jokeStore, IPageService pageService)
{
if (viewModel == null)
{
throw new ArgumentNullException(nameof(viewModel));
}
_pageService = pageService;
_jokeStore = jokeStore;
// Define commands
SaveCommand = new Command(async() => await Save());
Joke = new Joke
{
Id = viewModel.Id,
Text = viewModel.Text,
Date = viewModel.Date
};
}
