TubeLab-App-Android/app/src/main/java/app/fedilab/fedilabtube/viewmodel/ChannelsVM.java

package app.fedilab.fedilabtube.viewmodel;
/* Copyright 2020 Thomas Schneider
 *
 * This file is a part of TubeLab
 *
 * 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.
 *
 * TubeLab 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 TubeLab; if not,
 * see <http://www.gnu.org/licenses>. */

import static android.content.Context.MODE_PRIVATE;

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

import androidx.annotation.NonNull;
import androidx.lifecycle.AndroidViewModel;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;

import app.fedilab.fedilabtube.client.APIResponse;
import app.fedilab.fedilabtube.client.RetrofitPeertubeAPI;
import app.fedilab.fedilabtube.client.data.AccountData;
import app.fedilab.fedilabtube.helper.Helper;
import app.fedilab.fedilabtube.sqlite.AccountDAO;
import app.fedilab.fedilabtube.sqlite.Sqlite;


public class ChannelsVM extends AndroidViewModel {
    private MutableLiveData<APIResponse> apiResponseMutableLiveData;

    public ChannelsVM(@NonNull Application application) {
        super(application);
    }

    public LiveData<APIResponse> get(String instance, RetrofitPeertubeAPI.DataType type, String element) {
        apiResponseMutableLiveData = new MutableLiveData<>();
        getChannels(instance, type, element);
        return apiResponseMutableLiveData;
    }

    public LiveData<APIResponse> get(RetrofitPeertubeAPI.DataType type, String element) {
        apiResponseMutableLiveData = new MutableLiveData<>();
        getChannels(null, type, element);
        return apiResponseMutableLiveData;
    }

    private void getChannels(String instance, RetrofitPeertubeAPI.DataType type, String element) {
        Context _mContext = getApplication().getApplicationContext();
        new Thread(() -> {
            String finalElement = element;
            try {
                if (type == RetrofitPeertubeAPI.DataType.MY_CHANNELS) {
                    SharedPreferences sharedpreferences = _mContext.getSharedPreferences(Helper.APP_PREFS, MODE_PRIVATE);
                    SQLiteDatabase db = Sqlite.getInstance(_mContext.getApplicationContext(), Sqlite.DB_NAME, null, Sqlite.DB_VERSION).open();
                    String token = Helper.getToken(_mContext);
                    AccountData.Account account = new AccountDAO(_mContext, db).getAccountByToken(token);
                    finalElement = account.getUsername() + "@" + account.getHost();
                }
                RetrofitPeertubeAPI retrofitPeertubeAPI;
                if (instance == null) {
                    retrofitPeertubeAPI = new RetrofitPeertubeAPI(_mContext);
                } else {
                    retrofitPeertubeAPI = new RetrofitPeertubeAPI(_mContext, instance, null);
                }
                APIResponse apiResponse = retrofitPeertubeAPI.getChannelData(type, finalElement);
                Handler mainHandler = new Handler(Looper.getMainLooper());
                Runnable myRunnable = () -> apiResponseMutableLiveData.setValue(apiResponse);
                mainHandler.post(myRunnable);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }).start();
    }

    public enum action {
        CREATE_CHANNEL,
        UPDATE_CHANNEL
    }

}