Added ability to scan library in SettingsFragment

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

@@ -0,0 +1,51 @@
+package com.cappielloantonio.play.viewmodel;
+
+import android.app.Application;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.AndroidViewModel;
+
+import com.cappielloantonio.play.interfaces.ScanCallback;
+import com.cappielloantonio.play.repository.QueueRepository;
+import com.cappielloantonio.play.repository.ScanRepository;
+import com.cappielloantonio.play.repository.SongRepository;
+
+public class SettingViewModel extends AndroidViewModel {
+    private static final String TAG = "SettingViewModel";
+
+    private ScanRepository scanRepository;
+
+    public SettingViewModel(@NonNull Application application) {
+        super(application);
+
+        scanRepository = new ScanRepository(application);
+    }
+
+    public void launchScan(ScanCallback callback) {
+        scanRepository.startScan(new ScanCallback() {
+            @Override
+            public void onError(Exception exception) {
+                callback.onError(exception);
+            }
+
+            @Override
+            public void onSuccess(boolean isScanning, long count) {
+                callback.onSuccess(isScanning, count);
+            }
+        });
+    }
+
+    public void getScanStatus(ScanCallback callback) {
+        scanRepository.getScanStatus(new ScanCallback() {
+            @Override
+            public void onError(Exception exception) {
+                callback.onError(exception);
+            }
+
+            @Override
+            public void onSuccess(boolean isScanning, long count) {
+                callback.onSuccess(isScanning, count);
+            }
+        });
+    }
+}