Reorganize data package

app/src/main/java/eu/kanade/mangafeed/data/preference/PreferencesHelper.java

@@ -0,0 +1,76 @@
+package eu.kanade.mangafeed.data.preference;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+
+import com.f2prateek.rx.preferences.RxSharedPreferences;
+
+import eu.kanade.mangafeed.R;
+import eu.kanade.mangafeed.data.source.base.Source;
+import eu.kanade.mangafeed.util.DiskUtils;
+import rx.Observable;
+
+public class PreferencesHelper {
+
+    private Context context;
+    private SharedPreferences prefs;
+    private RxSharedPreferences rxPrefs;
+
+    private static final String SOURCE_ACCOUNT_USERNAME = "pref_source_username_";
+    private static final String SOURCE_ACCOUNT_PASSWORD = "pref_source_password_";
+
+    public PreferencesHelper(Context context) {
+        this.context = context;
+        PreferenceManager.setDefaultValues(context, R.xml.pref_reader, false);
+
+        prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        rxPrefs = RxSharedPreferences.create(prefs);
+    }
+
+    private String getKey(int keyResource) {
+        return context.getString(keyResource);
+    }
+
+    public void clear() {
+        prefs.edit().clear().apply();
+    }
+
+    public boolean useFullscreenSet() {
+        return prefs.getBoolean(getKey(R.string.pref_fullscreen_key), false);
+    }
+
+    public int getDefaultViewer() {
+        return Integer.parseInt(prefs.getString(getKey(R.string.pref_default_viewer_key), "1"));
+    }
+
+    public String getSourceUsername(Source source) {
+        return prefs.getString(SOURCE_ACCOUNT_USERNAME + source.getSourceId(), "");
+    }
+
+    public String getSourcePassword(Source source) {
+        return prefs.getString(SOURCE_ACCOUNT_PASSWORD + source.getSourceId(), "");
+    }
+
+    public void setSourceCredentials(Source source, String username, String password) {
+        prefs.edit()
+                .putString(SOURCE_ACCOUNT_USERNAME + source.getSourceId(), username)
+                .putString(SOURCE_ACCOUNT_PASSWORD + source.getSourceId(), password)
+                .apply();
+    }
+
+    public String getDownloadsDirectory() {
+        return prefs.getString(getKey(R.string.pref_download_directory_key),
+                DiskUtils.getStorageDirectories(context)[0]);
+    }
+
+    public int getDownloadThreads() {
+        return Integer.parseInt(prefs.getString(getKey(R.string.pref_download_threads_key), "1"));
+    }
+
+    public Observable<Integer> getDownloadTheadsObservable() {
+        return rxPrefs.getString(getKey(R.string.pref_download_threads_key), "1")
+                .asObservable().map(Integer::parseInt);
+    }
+
+}