mirror of https://github.com/iSoron/uhabits.git
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/*
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* Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
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*
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* This file is part of Loop Habit Tracker.
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*
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* Loop Habit Tracker is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* Loop Habit Tracker is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.isoron.uhabits;
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import android.support.annotation.NonNull;
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import android.util.Log;
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import com.github.nkzawa.emitter.Emitter;
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import com.github.nkzawa.socketio.client.IO;
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import com.github.nkzawa.socketio.client.Socket;
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import org.isoron.uhabits.commands.Command;
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import org.isoron.uhabits.commands.ToggleRepetitionCommand;
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import org.isoron.uhabits.helpers.DatabaseHelper;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.net.URISyntaxException;
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import java.util.LinkedList;
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public class SyncManager
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{
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public static final String EXECUTE_COMMAND = "executeCommand";
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public static final String POST_COMMAND = "postCommand";
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public static final String SYNC_SERVER_URL = "http://10.0.2.2:4000";
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private static String GROUP_KEY = "sEBY3poXHFH7EyB43V2JoQUNEtBjMgdD";
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private static String CLIENT_KEY;
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@NonNull
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private Socket socket;
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private BaseActivity activity;
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private LinkedList<Command> outbox;
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public SyncManager(BaseActivity activity)
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{
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this.activity = activity;
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outbox = new LinkedList<>();
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CLIENT_KEY = DatabaseHelper.getRandomId();
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try
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{
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socket = IO.socket(SYNC_SERVER_URL);
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socket.connect();
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socket.on(Socket.EVENT_CONNECT, new OnConnectListener());
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socket.on(EXECUTE_COMMAND, new OnExecuteCommandListener());
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}
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catch (URISyntaxException e)
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{
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throw new RuntimeException(e.getMessage());
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}
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}
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public void postCommand(Command command)
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{
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JSONObject msg = command.toJSON();
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if(msg != null)
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{
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socket.emit(POST_COMMAND, msg.toString());
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outbox.add(command);
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}
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}
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public void close()
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{
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socket.close();
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}
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private class OnConnectListener implements Emitter.Listener
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{
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@Override
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public void call(Object... args)
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{
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JSONObject authMsg = buildAuthMessage();
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socket.emit("auth", authMsg.toString());
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}
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private JSONObject buildAuthMessage()
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{
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try
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{
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JSONObject json = new JSONObject();
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json.put("group_key", GROUP_KEY);
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json.put("client_key", CLIENT_KEY);
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json.put("version", BuildConfig.VERSION_NAME);
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return json;
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}
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catch (JSONException e)
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{
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throw new RuntimeException(e.getMessage());
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}
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}
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}
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private class OnExecuteCommandListener implements Emitter.Listener
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{
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@Override
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public void call(Object... args)
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{
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try
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{
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executeCommand(args[0]);
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}
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catch (JSONException e)
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{
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throw new RuntimeException(e.getMessage());
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}
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}
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}
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private void executeCommand(Object arg) throws JSONException
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{
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Log.d("SyncManager", String.format("Received command: %s", arg.toString()));
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JSONObject root = new JSONObject(arg.toString());
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if(root.getString("command").equals("ToggleRepetition"))
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{
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Command received = ToggleRepetitionCommand.fromJSON(root);
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if(received == null) throw new RuntimeException("received is null");
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for(Command pending : outbox)
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{
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if(pending.getId().equals(received.getId()))
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{
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outbox.remove(pending);
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Log.d("SyncManager", "Received command discarded");
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return;
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}
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}
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activity.executeCommand(received, null, false);
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Log.d("SyncManager", "Received command executed");
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}
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}
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}
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