Added playlist creator and editor

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

@@ -0,0 +1,45 @@
+package com.cappielloantonio.play.viewmodel;
+
+import android.app.Application;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+
+import com.cappielloantonio.play.model.Playlist;
+import com.cappielloantonio.play.model.Song;
+import com.cappielloantonio.play.repository.PlaylistRepository;
+
+import java.util.List;
+
+public class PlaylistChooserViewModel extends AndroidViewModel {
+    private PlaylistRepository playlistRepository;
+
+    private MutableLiveData<List<Playlist>> playlists;
+    private Song toAdd;
+
+    public PlaylistChooserViewModel(@NonNull Application application) {
+        super(application);
+
+        playlistRepository = new PlaylistRepository(application);
+
+        playlists = playlistRepository.getPlaylists(false, -1);
+    }
+
+    public LiveData<List<Playlist>> getPlaylistList() {
+        return playlists;
+    }
+
+    public void addSongToPlaylist(String playlistId) {
+        playlistRepository.addSongToPlaylist(playlistId, toAdd.getId());
+    }
+
+    public void setSongToAdd(Song song) {
+        toAdd = song;
+    }
+
+    public Song getSongToAdd() {
+        return toAdd;
+    }
+}

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

@@ -0,0 +1,38 @@
+package com.cappielloantonio.play.viewmodel;
+
+import android.app.Application;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.LiveData;
+
+import com.cappielloantonio.play.model.Server;
+import com.cappielloantonio.play.model.Song;
+import com.cappielloantonio.play.repository.PlaylistRepository;
+import com.cappielloantonio.play.repository.ServerRepository;
+
+import java.util.List;
+
+public class PlaylistEditorViewModel extends AndroidViewModel {
+    private PlaylistRepository playlistRepository;
+
+    private Song toAdd;
+
+    public PlaylistEditorViewModel(@NonNull Application application) {
+        super(application);
+
+        playlistRepository = new PlaylistRepository(application);
+    }
+
+    public void createPlaylist(String name) {
+        playlistRepository.createPlaylist(name, toAdd.getId());
+    }
+
+    public void updatePlaylist(String playlistId) {
+
+    }
+
+    public void setSongToAdd(Song song) {
+        toAdd = song;
+    }
+}