public MainPageViewModel(IMainPageFeatures mainPageFeatures, INavigationService navigationService)
{
_mainPageFeatures = mainPageFeatures;
_navigationService = navigationService;
_goToDetailPage = new DelegateCommand <ItemTappedEventArgs>(async selected =>
{
NavigationParameters parameters = new NavigationParameters();
parameters.Add("id", (selected.Item as BreweryViewModel).Id);
await _navigationService.NavigateAsync("DetailPage", parameters);
});
_favoriteCommand = new DelegateCommand <BreweryViewModel>(brewery =>
{
brewery.IsFavorite = !brewery.IsFavorite;
var id = brewery.Id;
if (brewery.IsFavorite)
{
_mainPageFeatures.SetAsFavorite(id);
}
else
{
_mainPageFeatures.RemoveFromFavorites(id);
}
});
OnResume();
}
private void UpdateFavoriteStatus(Brewery brewery)
{
if (brewery.IsFavorite)
{
_features.SetAsFavorite(brewery.Id);
}
else
{
_features.RemoveFromFavorites(brewery.Id);
}
}
