private void GifManager_AddedAsFavouriteEvent(object sender, GifItem gifItem)
{
var item = GifItems?.FirstOrDefault(x => x.Id == gifItem.Id);
if (item == null)
{
GifItems.Add(new GifItemViewModel(gifItem));
}
}
private void GifManager_RemovedAsFavouriteEvent(object sender, GifItem gifItem)
{
var item = GifItems?.FirstOrDefault(x => x.Id == gifItem.Id);
if (item != null)
{
GifItems?.Remove(item);
}
}
private void GifManager_AddedAsFavouriteEvent(object sender, GifItem gifItem)
{
var item = GifItems?.FirstOrDefault(x => x.Id == gifItem.Id);
if (item != null)
{
item.IsFavourite = true;
}
}
private void LoadTrendingGifs()
{
Device.BeginInvokeOnMainThread(async() =>
{
if (IsBusy)
{
return;
}
if (GifItems?.Any() == true)
{
return;
}
try
{
IsBusy = true;
var trendingGifs = await gifManager.LoadTrendingGifsAsync();
var favouriteGifs = await gifManager.LoadFavouriteGifsAsync();
GifItems = new ObservableCollection <GifItemViewModel>(trendingGifs.Data.Select(x => new GifItemViewModel(x)
{
IsFavourite = favouriteGifs.Any(i => i.Id == x.Id),
}));
}
catch (Exception ex)
{
ex.Print();
ShowAlert(ex.Message, "");
}
finally
{
IsBusy = false;
}
});
}
