fedilab-Android-App/app/src/main/java/app/fedilab/android/asynctasks/RetrieveNotificationChartsAsyncTask.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.database.sqlite.SQLiteDatabase;
import android.os.Handler;
import android.os.Looper;

import java.lang.ref.WeakReference;
import java.util.Date;

import app.fedilab.android.client.Entities.NotificationCharts;
import app.fedilab.android.interfaces.OnRetrieveNotificationChartsInterface;
import app.fedilab.android.sqlite.NotificationCacheDAO;
import app.fedilab.android.sqlite.Sqlite;


/**
 * Created by Thomas on 26/08/2019.
 * Creates charts for notifications of an account
 */

public class RetrieveNotificationChartsAsyncTask {


    private final OnRetrieveNotificationChartsInterface listener;
    private final WeakReference<Context> contextReference;
    private final Date dateIni;
    private final Date dateEnd;
    private final String status_id;
    private NotificationCharts charts;

    public RetrieveNotificationChartsAsyncTask(Context context, String status_id, Date dateIni, Date dateEnd, OnRetrieveNotificationChartsInterface onRetrieveNotificationChartsInterface) {
        this.contextReference = new WeakReference<>(context);
        this.listener = onRetrieveNotificationChartsInterface;
        this.dateIni = dateIni;
        this.dateEnd = dateEnd;
        this.status_id = status_id;
        doInBackground();
    }


    protected void doInBackground() {
        new Thread(() -> {
            SQLiteDatabase db = Sqlite.getInstance(contextReference.get().getApplicationContext(), Sqlite.DB_NAME, null, Sqlite.DB_VERSION).open();
            charts = new NotificationCacheDAO(contextReference.get(), db).getChartsEvolution(status_id, dateIni, dateEnd);
            Handler mainHandler = new Handler(Looper.getMainLooper());
            Runnable myRunnable = () -> listener.onCharts(charts);
            mainHandler.post(myRunnable);
        }).start();
    }

}