fedilab-Android-App/app/src/main/java/app/fedilab/android/jobs/BaseNotificationsSyncJob.java

package app.fedilab.android.jobs;
/* Copyright 2017 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>. */

import android.content.Context;
import android.content.SharedPreferences;
import android.database.sqlite.SQLiteDatabase;

import androidx.annotation.NonNull;
import com.evernote.android.job.Job;
import com.evernote.android.job.JobManager;
import com.evernote.android.job.JobRequest;

import java.util.List;
import java.util.Set;
import java.util.concurrent.TimeUnit;

import app.fedilab.android.client.Entities.Account;
import app.fedilab.android.helper.Helper;
import app.fedilab.android.helper.NotificationsHelper;
import app.fedilab.android.sqlite.AccountDAO;
import app.fedilab.android.sqlite.Sqlite;

import static app.fedilab.android.helper.Helper.canNotify;



/**
 * Created by Thomas on 29/04/2017.
 * Notifications refresh job
 */

public class BaseNotificationsSyncJob extends Job {

    public static final String NOTIFICATION_REFRESH = "job_notification";

    public static int schedule(boolean updateCurrent) {

        Set<JobRequest> jobRequests = JobManager.instance().getAllJobRequestsForTag(NOTIFICATION_REFRESH);
        if (!jobRequests.isEmpty() && !updateCurrent) {
            return jobRequests.iterator().next().getJobId();
        }

        int jobRequestschedule = -1;
        try {
            jobRequestschedule = new JobRequest.Builder(BaseNotificationsSyncJob.NOTIFICATION_REFRESH)
                    .setPeriodic(TimeUnit.MINUTES.toMillis(Helper.MINUTES_BETWEEN_NOTIFICATIONS_REFRESH), TimeUnit.MINUTES.toMillis(5))
                    .setUpdateCurrent(updateCurrent)
                    .setRequiredNetworkType(JobRequest.NetworkType.METERED)
                    .setRequirementsEnforced(false)
                    .build()
                    .schedule();
        } catch (Exception ignored) {
        }

        return jobRequestschedule;
    }

    @NonNull
    @Override
    protected Result onRunJob(@NonNull Params params) {
        //Code refresh here
        callAsynchronousTask();
        return Result.SUCCESS;
    }

    /**
     * Task in background starts here.
     */
    private void callAsynchronousTask() {
        if (!canNotify(getContext()))
            return;
        int liveNotifications = Helper.liveNotifType(getContext());
        if (liveNotifications != Helper.NOTIF_NONE) {
            return;
        }
        SQLiteDatabase db = Sqlite.getInstance(getContext().getApplicationContext(), Sqlite.DB_NAME, null, Sqlite.DB_VERSION).open();
        //If an Internet connection and user agrees with notification refresh
        final SharedPreferences sharedpreferences = getContext().getSharedPreferences(Helper.APP_PREFS, Context.MODE_PRIVATE);
        //Check which notifications the user wants to see
        boolean notif_follow = sharedpreferences.getBoolean(Helper.SET_NOTIF_FOLLOW, true);
        boolean notif_add = sharedpreferences.getBoolean(Helper.SET_NOTIF_ADD, true);
        boolean notif_mention = sharedpreferences.getBoolean(Helper.SET_NOTIF_MENTION, true);
        boolean notif_share = sharedpreferences.getBoolean(Helper.SET_NOTIF_SHARE, true);
        boolean notif_poll = sharedpreferences.getBoolean(Helper.SET_NOTIF_POLL, true);
        //User disagree with all notifications
        if (!notif_follow && !notif_add && !notif_mention && !notif_share && !notif_poll)
            return; //Nothing is done
        //No account connected, the service is stopped
        if (!Helper.isLoggedIn(getContext()))
            return;
        //If WIFI only and on WIFI OR user defined any connections to use the service.
        if (!sharedpreferences.getBoolean(Helper.SET_WIFI_ONLY, false) || Helper.isOnWIFI(getContext())) {
            List<Account> accounts = new AccountDAO(getContext(), db).getAllAccountCrossAction();
            //It means there is no user in DB.
            if (accounts == null)
                return;
            //Retrieve users in db that owner has.
            for (Account account : accounts) {
                NotificationsHelper.task(getContext(), account);
            }
        }
    }
}