public async Task ExecuteOnFavoriteCommandAsync(object sender)
{
PopularBrandsViewModel popularBrandsViewModel = (PopularBrandsViewModel)sender;
popularBrandsViewModel.IsFavorite = !popularBrandsViewModel.IsFavorite;
PopularBrandsFromServer[PopularBrandsFromServer.IndexOf(popularBrandsViewModel)].IsFavorite = popularBrandsViewModel.IsFavorite;
}
public async Task ExecuteOnDeleteCommandAsync(object sender)
{
PopularBrandsViewModel popularBrandsViewModel = (PopularBrandsViewModel)sender;
PopularBrands.Remove(popularBrandsViewModel);
PopularBrandsFromServer.Remove(popularBrandsViewModel);
}
public async Task ExecuteOnPerformSearchCommandAsync(object sender)
{
string textToSearch = string.Empty;
try
{
textToSearch = (string)sender;
}
catch (Exception ex)
{
SearchBar searchBar = (SearchBar)sender;
textToSearch = (searchBar.Text == null) ? "" : searchBar.Text;
}
PopularBrands = new ObservableCollection <PopularBrandsViewModel>(
PopularBrandsFromServer.Where(x => x.ItemTitle.ToUpper().Contains(textToSearch.ToUpper()) ||
x.Text.ToUpper().Contains(textToSearch.ToUpper())));
}