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

/* 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>. */
package app.fedilab.android.asynctasks;

import android.content.Context;
import android.os.Handler;
import android.os.Looper;

import java.lang.ref.WeakReference;

import app.fedilab.android.client.API;
import app.fedilab.android.client.APIResponse;
import app.fedilab.android.client.Entities.Results;
import app.fedilab.android.helper.Helper;
import app.fedilab.android.interfaces.OnRetrieveRemoteAccountInterface;


/**
 * Created by Thomas on 22/07/2017.
 * Retrieves a remote account via its web page
 * Update of 20/12/2017: extended to other URLs
 */


public class RetrieveRemoteDataAsyncTask {

    private final OnRetrieveRemoteAccountInterface listener;
    private final String url;
    private final WeakReference<Context> contextReference;
    private Results results;
    private boolean developerAccount = false;


    public RetrieveRemoteDataAsyncTask(Context context, OnRetrieveRemoteAccountInterface onRetrieveRemoteAccountInterface) {
        this.url = "https://toot.fedilab.app/@apps";
        developerAccount = true;
        this.listener = onRetrieveRemoteAccountInterface;
        this.contextReference = new WeakReference<>(context);
        doInBackground();
    }

    public RetrieveRemoteDataAsyncTask(Context context, String username, String instance, OnRetrieveRemoteAccountInterface onRetrieveRemoteAccountInterface) {
        this.url = Helper.instanceWithProtocol(context, instance) + "/@" + username;
        this.listener = onRetrieveRemoteAccountInterface;
        this.contextReference = new WeakReference<>(context);
        doInBackground();
    }

    public RetrieveRemoteDataAsyncTask(Context context, String url, OnRetrieveRemoteAccountInterface onRetrieveRemoteAccountInterface) {
        this.url = url;
        this.listener = onRetrieveRemoteAccountInterface;
        this.contextReference = new WeakReference<>(context);
        doInBackground();
    }

    protected void doInBackground() {
        new Thread(() -> {
            API api = new API(this.contextReference.get());
            APIResponse apiResponse = api.search(this.url);
            if (apiResponse.getResults() != null)
                results = apiResponse.getResults();
            Handler mainHandler = new Handler(Looper.getMainLooper());
            Runnable myRunnable = () -> listener.onRetrieveRemoteAccount(results, developerAccount);
            mainHandler.post(myRunnable);
        }).start();
    }
}