private async Task OnFavorite()
{
//TODO: o usuário pode escolher desativar pela tela de FavoritedView e AnimeSpecsView as notificações
string lang = default;
var bdCollection = App.liteDB.GetCollection <FavoritedAnime>();
var taskResult = Task.Run(async() =>
{
if (bdCollection.Exists(p => p.Anime.MalId == AnimeContext.Anime.MalId))
{
AnimeContext.IsFavorited = false;
bdCollection.Delete(AnimeContext.Anime.MalId);
lang = Lang.Lang.RemovedFromFavorite;
}
else
{
AnimeContext.IsFavorited = true;
AnimeContext.LastUpdateDate = DateTime.Today;
AnimeContext.NextStreamDate = await AnimeContext.NextEpisodeDateAsync();
int uniqueId = 0;
if (bdCollection.Count() > 0)
{
uniqueId = bdCollection.Max(p => p.UniqueNotificationID);
if (uniqueId == int.MaxValue)
{
uniqueId = 0;
}
else if (uniqueId < int.MaxValue)
{
uniqueId += 1;
}
}
AnimeContext.UniqueNotificationID = uniqueId;
AnimeContext.CanGenerateNotifications = AnimeContext.Anime.Airing && AnimeContext.NextStreamDate != null;
bdCollection.Upsert(AnimeContext.Anime.MalId, AnimeContext);
lang = Lang.Lang.AddedToFavorite;
}
if (OtherViewModelFunc != null)
{
//atualiza a coleção observável de CatalogueViewModel
await OtherViewModelFunc.Invoke();
}
});
await taskResult;
DependencyService.Get <IToast>().MakeToastMessageShort(lang);
#if DEBUG
Console.WriteLine("Animes favoritados no momento");
foreach (var anime in bdCollection.FindAll())
{
Console.WriteLine(anime.Anime.Title);
}
#endif
}