fedilab-Android-App/app/src/main/java/app/fedilab/android/asynctasks/RetrievePeertubeChannelsAsyncTask.java

/* Copyright 2019 Thomas Schneider
 *
 * This file is a part of Fedilab
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation; either version 3 of the
 * License, or (at your option) any later version.
 *
 * Fedilab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with Fedilab; if not,
 * see <http://www.gnu.org/licenses>. */
package app.fedilab.android.asynctasks;

import android.content.Context;
import android.content.SharedPreferences;
import android.database.sqlite.SQLiteDatabase;
import android.os.Handler;
import android.os.Looper;

import java.lang.ref.WeakReference;

import app.fedilab.android.client.APIResponse;
import app.fedilab.android.client.Entities.Account;
import app.fedilab.android.client.PeertubeAPI;
import app.fedilab.android.helper.Helper;
import app.fedilab.android.interfaces.OnRetrievePeertubeInterface;
import app.fedilab.android.sqlite.AccountDAO;
import app.fedilab.android.sqlite.Sqlite;


/**
 * Created by Thomas on 07/01/2019.
 * Retrieves peertube Channels
 */

public class RetrievePeertubeChannelsAsyncTask {


    private final OnRetrievePeertubeInterface listener;
    private final WeakReference<Context> contextReference;
    private APIResponse apiResponse;


    public RetrievePeertubeChannelsAsyncTask(Context context, OnRetrievePeertubeInterface onRetrievePeertubeInterface) {
        this.contextReference = new WeakReference<>(context);
        this.listener = onRetrievePeertubeInterface;
        doInBackground();
    }


    protected void doInBackground() {
        new Thread(() -> {
            PeertubeAPI peertubeAPI = new PeertubeAPI(this.contextReference.get());
            SQLiteDatabase db = Sqlite.getInstance(contextReference.get().getApplicationContext(), Sqlite.DB_NAME, null, Sqlite.DB_VERSION).open();
            SharedPreferences sharedpreferences = contextReference.get().getSharedPreferences(Helper.APP_PREFS, Context.MODE_PRIVATE);
            String userId = sharedpreferences.getString(Helper.PREF_KEY_ID, null);
            String instance = sharedpreferences.getString(Helper.PREF_INSTANCE, Helper.getLiveInstance(contextReference.get()));
            Account account = new AccountDAO(contextReference.get(), db).getUniqAccount(userId, instance);
            apiResponse = peertubeAPI.getPeertubeChannel(account.getUsername());
            Handler mainHandler = new Handler(Looper.getMainLooper());
            Runnable myRunnable = () -> listener.onRetrievePeertubeChannels(apiResponse);
            mainHandler.post(myRunnable);
        }).start();
    }
}