81 lines
2.9 KiB
Java
81 lines
2.9 KiB
Java
package com.cappielloantonio.play.viewmodel;
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import android.app.Application;
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import androidx.annotation.NonNull;
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import androidx.lifecycle.AndroidViewModel;
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import androidx.lifecycle.LifecycleOwner;
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import androidx.lifecycle.LiveData;
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import androidx.lifecycle.MutableLiveData;
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import com.cappielloantonio.play.model.Album;
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import com.cappielloantonio.play.model.Artist;
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import com.cappielloantonio.play.model.Genre;
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import com.cappielloantonio.play.model.Playlist;
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import com.cappielloantonio.play.repository.AlbumRepository;
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import com.cappielloantonio.play.repository.ArtistRepository;
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import com.cappielloantonio.play.repository.GenreRepository;
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import com.cappielloantonio.play.repository.PlaylistRepository;
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import java.util.List;
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public class LibraryViewModel extends AndroidViewModel {
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private AlbumRepository albumRepository;
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private ArtistRepository artistRepository;
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private GenreRepository genreRepository;
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private PlaylistRepository playlistRepository;
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private MutableLiveData<List<Playlist>> playlistSample;
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private MutableLiveData<List<Album>> sampleAlbum;
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private MutableLiveData<List<Artist>> sampleArtist;
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private MutableLiveData<List<Genre>> sampleGenres;
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public LibraryViewModel(@NonNull Application application) {
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super(application);
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albumRepository = new AlbumRepository(application);
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artistRepository = new ArtistRepository(application);
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genreRepository = new GenreRepository(application);
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playlistRepository = new PlaylistRepository(application);
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// Inizializzate all'interno del costruttore, in modo da rimanere immutabili per tutto il
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// ciclo di vita dell'applicazione
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sampleAlbum = albumRepository.getAlbums("random", 20);
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sampleArtist = artistRepository.getArtists(true, 20);
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sampleGenres = genreRepository.getGenres(true, 15);
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playlistSample = playlistRepository.getPlaylists(true, 10);
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}
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public LiveData<List<Album>> getAlbumSample() {
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return sampleAlbum;
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}
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public LiveData<List<Artist>> getArtistSample() {
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return sampleArtist;
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}
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public LiveData<List<Genre>> getGenreSample() {
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return sampleGenres;
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}
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public LiveData<List<Playlist>> getPlaylistSample() {
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return playlistSample;
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}
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public void refreshAlbumSample(LifecycleOwner owner) {
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albumRepository.getAlbums("random", 20).observe(owner, albums -> sampleAlbum.postValue(albums));
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}
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public void refreshArtistSample(LifecycleOwner owner) {
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artistRepository.getArtists(true, 20).observe(owner, artists -> sampleArtist.postValue(artists));
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}
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public void refreshGenreSample(LifecycleOwner owner) {
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genreRepository.getGenres(true, 15).observe(owner, genres -> sampleGenres.postValue(genres));
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}
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public void refreshPlaylistSample(LifecycleOwner owner) {
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playlistRepository.getPlaylists(true, 10).observe(owner, playlists -> playlistSample.postValue(playlists));
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}
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}
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