Implementation of download navigation for artists and albums

app/src/main/java/com/cappielloantonio/play/adapter/AlbumHorizontalAdapter.java

@@ -101,6 +101,8 @@ public class AlbumHorizontalAdapter extends RecyclerView.Adapter<AlbumHorizontal
                 Navigation.findNavController(view).navigate(R.id.action_homeFragment_to_albumPageFragment, bundle);
             } else if (Objects.requireNonNull(Navigation.findNavController(view).getCurrentDestination()).getId() == R.id.albumListPageFragment) {
                 Navigation.findNavController(view).navigate(R.id.action_albumListPageFragment_to_albumPageFragment, bundle);
+            } else if (Objects.requireNonNull(Navigation.findNavController(view).getCurrentDestination()).getId() == R.id.downloadFragment) {
+                Navigation.findNavController(view).navigate(R.id.action_downloadFragment_to_songListPageFragment, bundle);
             }
         }
 

app/src/main/java/com/cappielloantonio/play/adapter/ArtistHorizontalAdapter.java

@@ -107,6 +107,8 @@ public class ArtistHorizontalAdapter extends RecyclerView.Adapter<ArtistHorizont
                 Navigation.findNavController(view).navigate(R.id.action_homeFragment_to_artistPageFragment, bundle);
             } else if (Objects.requireNonNull(Navigation.findNavController(view).getCurrentDestination()).getId() == R.id.artistListPageFragment) {
                 Navigation.findNavController(view).navigate(R.id.action_artistListPageFragment_to_artistPageFragment, bundle);
+            } else if (Objects.requireNonNull(Navigation.findNavController(view).getCurrentDestination()).getId() == R.id.downloadFragment) {
+                Navigation.findNavController(view).navigate(R.id.action_downloadFragment_to_albumListPageFragment, bundle);
             }
         }
 

app/src/main/java/com/cappielloantonio/play/database/AppDatabase.java

@@ -15,7 +15,7 @@ import com.cappielloantonio.play.model.Queue;
 import com.cappielloantonio.play.model.RecentSearch;
 import com.cappielloantonio.play.model.Server;
 
-@Database(entities = {Queue.class, Server.class, RecentSearch.class, Download.class}, version = 15, exportSchema = false)
+@Database(entities = {Queue.class, Server.class, RecentSearch.class, Download.class}, version = 16, exportSchema = false)
 public abstract class AppDatabase extends RoomDatabase {
     private static final String TAG = "AppDatabase";
 

app/src/main/java/com/cappielloantonio/play/database/dao/DownloadDao.java

@@ -12,12 +12,18 @@ import java.util.List;
 
 @Dao
 public interface DownloadDao {
-    @Query("SELECT * FROM download")
+    @Query("SELECT * FROM download WHERE server=:server")
-    List<Download> getAll();
+    LiveData<List<Download>> getAll(String server);
 
     @Query("SELECT * FROM download WHERE server=:server LIMIT :size")
     LiveData<List<Download>> getSample(int size, String server);
 
+    @Query("SELECT * FROM download WHERE server=:server AND artistId=:artistId")
+    LiveData<List<Download>> getAllFromArtist(String server, String artistId);
+
+    @Query("SELECT * FROM download WHERE server=:server AND albumId=:albumId")
+    LiveData<List<Download>> getAllFromAlbum(String server, String albumId);
+
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     void insert(Download download);
 

app/src/main/java/com/cappielloantonio/play/model/Album.java

@@ -18,7 +18,9 @@ public class Album implements Parcelable {
     public static final String RECENTLY_PLAYED = "RECENTLY_PLAYED";
     public static final String MOST_PLAYED = "MOST_PLAYED";
     public static final String RECENTLY_ADDED = "RECENTLY_ADDED";
+    public static final String DOWNLOADED = "DOWNLOADED";
     public static final String STARRED = "STARRED";
+    public static final String FROM_ARTIST = "FROM_ARTIST";
 
     private String id;
     private String title;

app/src/main/java/com/cappielloantonio/play/model/Artist.java

@@ -17,6 +17,7 @@ import java.util.List;
 public class Artist implements Parcelable {
     private static final String TAG = "Artist";
 
+    public static final String DOWNLOADED = "DOWNLOADED";
     public static final String STARRED = "STARRED";
 
     private List<Genre> genres;

app/src/main/java/com/cappielloantonio/play/model/Song.java

@@ -20,6 +20,7 @@ public class Song implements Parcelable {
     public static final String BY_YEAR = "BY_YEAR";
     public static final String STARRED = "STARRED";
     public static final String DOWNLOADED = "DOWNLOADED";
+    public static final String FROM_ALBUM = "FROM_ALBUM";
 
     private String id;
     private String title;

app/src/main/java/com/cappielloantonio/play/repository/DownloadRepository.java

@@ -23,45 +23,22 @@ public class DownloadRepository {
         downloadDao = database.downloadDao();
     }
 
-    public List<Download> getLiveDownload() {
+    public LiveData<List<Download>> getLiveDownload() {
-        List<Download> downloads = new ArrayList<>();
+        return downloadDao.getAll(PreferenceUtil.getInstance(App.getInstance()).getServerId());
-
-        GetDownloadThreadSafe getDownloads = new GetDownloadThreadSafe(downloadDao);
-        Thread thread = new Thread(getDownloads);
-        thread.start();
-
-        try {
-            thread.join();
-            downloads = getDownloads.getDownloads();
-        } catch (InterruptedException e) {
-            e.printStackTrace();
-        }
-
-        return downloads;
-    }
-
-    private static class GetDownloadThreadSafe implements Runnable {
-        private final DownloadDao downloadDao;
-        private List<Download> downloads;
-
-        public GetDownloadThreadSafe(DownloadDao downloadDao) {
-            this.downloadDao = downloadDao;
-        }
-
-        @Override
-        public void run() {
-            downloads = downloadDao.getAll();
-        }
-
-        public List<Download> getDownloads() {
-            return downloads;
-        }
     }
 
     public LiveData<List<Download>> getLiveDownloadSample(int size) {
         return downloadDao.getSample(size, PreferenceUtil.getInstance(App.getInstance()).getServerId());
     }
 
+    public LiveData<List<Download>> getLiveDownloadFromArtist(String artistId) {
+        return downloadDao.getAllFromArtist(PreferenceUtil.getInstance(App.getInstance()).getServerId(), artistId);
+    }
+
+    public LiveData<List<Download>> getLiveDownloadFromAlbum(String albumId) {
+        return downloadDao.getAllFromAlbum(PreferenceUtil.getInstance(App.getInstance()).getServerId(), albumId);
+    }
+
     public void insert(Download download) {
         InsertThreadSafe insert = new InsertThreadSafe(downloadDao, download);
         Thread thread = new Thread(insert);

app/src/main/java/com/cappielloantonio/play/ui/fragment/AlbumListPageFragment.java

@@ -65,6 +65,13 @@ public class AlbumListPageFragment extends Fragment {
         } else if (getArguments().getString(Album.STARRED) != null) {
             albumListPageViewModel.title = Album.STARRED;
             bind.pageTitleLabel.setText("Starred albums");
+        } else if (getArguments().getString(Album.DOWNLOADED) != null) {
+            albumListPageViewModel.title = Album.DOWNLOADED;
+            bind.pageTitleLabel.setText("Downloaded albums");
+        } else if (getArguments().getParcelable("artist_object") != null) {
+            albumListPageViewModel.artist = getArguments().getParcelable("artist_object");
+            albumListPageViewModel.title = Album.FROM_ARTIST;
+            bind.pageTitleLabel.setText(albumListPageViewModel.artist.getName());
         }
     }
 

app/src/main/java/com/cappielloantonio/play/ui/fragment/ArtistListPageFragment.java

@@ -14,6 +14,7 @@ import androidx.recyclerview.widget.LinearLayoutManager;
 import com.cappielloantonio.play.adapter.ArtistHorizontalAdapter;
 import com.cappielloantonio.play.databinding.FragmentArtistListPageBinding;
 import com.cappielloantonio.play.model.Album;
+import com.cappielloantonio.play.model.Artist;
 import com.cappielloantonio.play.ui.activity.MainActivity;
 import com.cappielloantonio.play.viewmodel.ArtistListPageViewModel;
 
@@ -53,9 +54,12 @@ public class ArtistListPageFragment extends Fragment {
     }
 
     private void init() {
-        if (getArguments().getString(Album.STARRED) != null) {
+        if (getArguments().getString(Artist.STARRED) != null) {
-            artistListPageViewModel.title = Album.STARRED;
+            artistListPageViewModel.title = Artist.STARRED;
             bind.pageTitleLabel.setText("Starred artists");
+        } else if (getArguments().getString(Artist.DOWNLOADED) != null) {
+            artistListPageViewModel.title = Artist.DOWNLOADED;
+            bind.pageTitleLabel.setText("Downloaded artists");
         }
     }
 
@@ -86,6 +90,6 @@ public class ArtistListPageFragment extends Fragment {
 
         artistHorizontalAdapter = new ArtistHorizontalAdapter(requireContext());
         bind.artistListRecyclerView.setAdapter(artistHorizontalAdapter);
-        artistListPageViewModel.getArtistList().observe(requireActivity(), artists -> artistHorizontalAdapter.setItems(artists));
+        artistListPageViewModel.getArtistList(requireActivity()).observe(requireActivity(), artists -> artistHorizontalAdapter.setItems(artists));
     }
 }

app/src/main/java/com/cappielloantonio/play/ui/fragment/DownloadFragment.java

@@ -123,13 +123,13 @@ public class DownloadFragment extends Fragment {
     private void init() {
         bind.downloadedArtistTextViewClickable.setOnClickListener(v -> {
             Bundle bundle = new Bundle();
-            bundle.putString(Song.DOWNLOADED, Song.DOWNLOADED);
+            bundle.putString(Artist.DOWNLOADED, Artist.DOWNLOADED);
             activity.navController.navigate(R.id.action_downloadFragment_to_artistListPageFragment, bundle);
         });
 
         bind.downloadedAlbumTextViewClickable.setOnClickListener(v -> {
             Bundle bundle = new Bundle();
-            bundle.putString(Song.DOWNLOADED, Song.DOWNLOADED);
+            bundle.putString(Album.DOWNLOADED, Album.DOWNLOADED);
             activity.navController.navigate(R.id.action_downloadFragment_to_albumListPageFragment, bundle);
         });
 

app/src/main/java/com/cappielloantonio/play/ui/fragment/SongListPageFragment.java

@@ -93,6 +93,10 @@ public class SongListPageFragment extends Fragment {
         } else if (getArguments().getString(Song.DOWNLOADED) != null) {
             songListPageViewModel.title = Song.DOWNLOADED;
             bind.pageTitleLabel.setText("Downloaded");
+        } else if (getArguments().getParcelable("album_object") != null) {
+            songListPageViewModel.album = getArguments().getParcelable("album_object");
+            songListPageViewModel.title = Song.FROM_ALBUM;
+            bind.pageTitleLabel.setText(songListPageViewModel.album.getTitle());
         }
     }
 
@@ -116,7 +120,7 @@ public class SongListPageFragment extends Fragment {
     }
 
     private void initButtons() {
-        songListPageViewModel.getSongList().observe(requireActivity(), songs -> {
+        songListPageViewModel.getSongList(requireActivity()).observe(requireActivity(), songs -> {
             if (bind != null) {
                 bind.songListShuffleImageView.setOnClickListener(v -> {
                     Collections.shuffle(songs);
@@ -139,6 +143,6 @@ public class SongListPageFragment extends Fragment {
 
         songHorizontalAdapter = new SongHorizontalAdapter(activity, requireContext());
         bind.songListRecyclerView.setAdapter(songHorizontalAdapter);
-        songListPageViewModel.getSongList().observe(requireActivity(), songs -> songHorizontalAdapter.setItems(songs));
+        songListPageViewModel.getSongList(requireActivity()).observe(requireActivity(), songs -> songHorizontalAdapter.setItems(songs));
     }
 }

app/src/main/java/com/cappielloantonio/play/viewmodel/AlbumListPageViewModel.java

@@ -9,16 +9,21 @@ import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 
 import com.cappielloantonio.play.model.Album;
+import com.cappielloantonio.play.model.Artist;
 import com.cappielloantonio.play.model.Song;
 import com.cappielloantonio.play.repository.AlbumRepository;
+import com.cappielloantonio.play.repository.DownloadRepository;
+import com.cappielloantonio.play.util.MappingUtil;
 
 import java.util.ArrayList;
 import java.util.List;
 
 public class AlbumListPageViewModel extends AndroidViewModel {
     private AlbumRepository albumRepository;
+    private DownloadRepository downloadRepository;
 
     public String title;
+    public Artist artist;
 
     private MutableLiveData<List<Album>> albumList;
 
@@ -26,30 +31,41 @@ public class AlbumListPageViewModel extends AndroidViewModel {
         super(application);
 
         albumRepository = new AlbumRepository(application);
+        downloadRepository = new DownloadRepository(application);
     }
 
     public LiveData<List<Album>> getAlbumList(FragmentActivity activity) {
         albumList = new MutableLiveData<>(new ArrayList<>());
 
         switch (title) {
-            case Song.RECENTLY_PLAYED:
+            case Album.RECENTLY_PLAYED:
                 albumRepository.getAlbums("recent", 500).observe(activity, albums -> {
                     albumList.setValue(albums);
                 });
                 break;
-            case Song.MOST_PLAYED:
+            case Album.MOST_PLAYED:
                 albumRepository.getAlbums("frequent", 500).observe(activity, albums -> {
                     albumList.setValue(albums);
                 });
                 break;
-            case Song.RECENTLY_ADDED:
+            case Album.RECENTLY_ADDED:
                 albumRepository.getAlbums("newest", 500).observe(activity, albums -> {
                     albumList.setValue(albums);
                 });
                 break;
-            case Song.STARRED:
+            case Album.STARRED:
                 albumList = albumRepository.getStarredAlbums();
                 break;
+            case Album.DOWNLOADED:
+                downloadRepository.getLiveDownload().observe(activity, downloads -> {
+                    albumList.setValue(MappingUtil.mapDownloadToAlbum(downloads));
+                });
+                break;
+            case Album.FROM_ARTIST:
+                downloadRepository.getLiveDownloadFromArtist(artist.getId()).observe(activity, downloads -> {
+                    albumList.setValue(MappingUtil.mapDownloadToAlbum(downloads));
+                });
+                break;
         }
 
         return albumList;

app/src/main/java/com/cappielloantonio/play/viewmodel/ArtistListPageViewModel.java

@@ -3,19 +3,25 @@ package com.cappielloantonio.play.viewmodel;
 import android.app.Application;
 
 import androidx.annotation.NonNull;
+import androidx.fragment.app.FragmentActivity;
 import androidx.lifecycle.AndroidViewModel;
 import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 
+import com.cappielloantonio.play.model.Album;
 import com.cappielloantonio.play.model.Artist;
+import com.cappielloantonio.play.model.Download;
 import com.cappielloantonio.play.model.Song;
 import com.cappielloantonio.play.repository.ArtistRepository;
+import com.cappielloantonio.play.repository.DownloadRepository;
+import com.cappielloantonio.play.util.MappingUtil;
 
 import java.util.ArrayList;
 import java.util.List;
 
 public class ArtistListPageViewModel extends AndroidViewModel {
     private ArtistRepository artistRepository;
+    private DownloadRepository downloadRepository;
 
     public String title;
 
@@ -25,15 +31,21 @@ public class ArtistListPageViewModel extends AndroidViewModel {
         super(application);
 
         artistRepository = new ArtistRepository(application);
+        downloadRepository = new DownloadRepository(application);
     }
 
-    public LiveData<List<Artist>> getArtistList() {
+    public LiveData<List<Artist>> getArtistList(FragmentActivity activity) {
         artistList = new MutableLiveData<>(new ArrayList<>());
 
         switch (title) {
-            case Song.STARRED:
+            case Artist.STARRED:
                 artistList = artistRepository.getStarredArtists();
                 break;
+            case Artist.DOWNLOADED:
+                downloadRepository.getLiveDownload().observe(activity, downloads -> {
+                    artistList.setValue(MappingUtil.mapDownloadToArtist(downloads));
+                });
+                break;
         }
 
         return artistList;

app/src/main/java/com/cappielloantonio/play/viewmodel/SongListPageViewModel.java

@@ -4,10 +4,12 @@ import android.app.Application;
 import android.text.TextUtils;
 
 import androidx.annotation.NonNull;
+import androidx.fragment.app.FragmentActivity;
 import androidx.lifecycle.AndroidViewModel;
 import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 
+import com.cappielloantonio.play.model.Album;
 import com.cappielloantonio.play.model.Artist;
 import com.cappielloantonio.play.model.Genre;
 import com.cappielloantonio.play.model.Song;
@@ -27,6 +29,9 @@ public class SongListPageViewModel extends AndroidViewModel {
     public String title;
     public Genre genre;
     public Artist artist;
+    public Album album;
+
+    private MutableLiveData<List<Song>> songList;
 
     public ArrayList<String> filters = new ArrayList<>();
     public ArrayList<String> filterNames = new ArrayList<>();
@@ -41,8 +46,8 @@ public class SongListPageViewModel extends AndroidViewModel {
         downloadRepository = new DownloadRepository(application);
     }
 
-    public LiveData<List<Song>> getSongList() {
+    public LiveData<List<Song>> getSongList(FragmentActivity activity) {
-        MutableLiveData<List<Song>> songList = new MutableLiveData<>(new ArrayList<>());
+        songList = new MutableLiveData<>(new ArrayList<>());
 
         switch (title) {
             case Song.RECENTLY_PLAYED:
@@ -70,7 +75,14 @@ public class SongListPageViewModel extends AndroidViewModel {
                 songList = songRepository.getStarredSongs(false, -1);
                 break;
             case Song.DOWNLOADED:
-                songList.setValue(MappingUtil.mapDownloadToSong(downloadRepository.getLiveDownload()));
+                downloadRepository.getLiveDownload().observe(activity, downloads -> {
+                    songList.setValue(MappingUtil.mapDownloadToSong(downloads));
+                });
+                break;
+            case Song.FROM_ALBUM:
+                downloadRepository.getLiveDownloadFromAlbum(album.getId()).observe(activity, downloads -> {
+                    songList.setValue(MappingUtil.mapDownloadToSong(downloads));
+                });
                 break;
         }
 

app/src/main/res/navigation/nav_graph.xml

@@ -33,7 +33,6 @@
             app:popUpTo="@id/loginFragment"
             app:popUpToInclusive="true" />
     </fragment>
-
     <fragment
         android:id="@+id/homeFragment"
         android:name="com.cappielloantonio.play.ui.fragment.HomeFragment"