public override async Task LoadAsync()
{
Ocupado = true;
try
{
LiteCollection <PokemonLTB> pokemonsDB = _dataBase.GetCollection <PokemonLTB>();
if (pokemonsDB.Count() == 0)
{
var pokemonsAPI = await _pokemonService.GetPokemonsAsync();
foreach (var pokemon in pokemonsAPI)
{
PokemonLTB pokeLTB = new PokemonLTB
{
Id = pokemon.Id,
Name = pokemon.Name.ToUpper(),
Height = pokemon.Height
};
pokemonsDB.Upsert(pokeLTB);
using (Stream stream = GetImageStreamFromUrl(pokemon.Sprites.FrontDefault.AbsoluteUri))
{
if (stream != null)
{
//Verfica se ja existe a imagem,se existir apaga
if (_dataBase.FileStorage.Exists(pokemon.Id.ToString()))
{
_dataBase.FileStorage.Delete(pokemon.Id.ToString());
}
_dataBase.FileStorage.Upload(pokemon.Id.ToString(), pokemon.Name, stream);
}
}
}
pokemonsDB = _dataBase.GetCollection <PokemonLTB>();
}
Pokemons.Clear();
foreach (var pokemon in pokemonsDB.FindAll())
{
pokemon.Image = ImageSource.FromStream(() => _dataBase.FileStorage.FindById(pokemon.Id.ToString()).OpenRead());
Pokemons.Add(pokemon);
}
}
catch (Exception ex)
{
Debug.WriteLine("Erro", ex.Message);
}
finally
{
Ocupado = false;
}
}
private async Task GravarPokemons()
{
Ocupado = true;
var pokemonsAPI = await _pokemonService.GetPokemonsAsync();
Pokemons.Clear();
var existingList = Barrel.Current.Get <List <PokemonLTB> >(_key) ?? new List <PokemonLTB>();
foreach (var pokemon in pokemonsAPI)
{
var isExist = existingList.Any(e => e.Id == pokemon.Id);
PokemonLTB pokeLTB = new PokemonLTB
{
Id = pokemon.Id,
Name = pokemon.Name.ToUpper(),
Height = pokemon.Height,
ImageByte = GetImageStreamFromUrl(pokemon.Sprites.FrontDefault.AbsoluteUri)
};
if (!isExist)
{
existingList.Add(pokeLTB);
}
Pokemons.Add(pokeLTB);
}
existingList = existingList.ToList();
Barrel.Current.Add(_key, existingList, TimeSpan.FromDays(30));
Ocupado = false;
}
