domotz-remote-pawn/src/amqp/command.js

Domotz Agent

/** This file is part of Domotz Agent.
  * Copyright (C) 2016  Domotz Ltd
  *
  * Domotz Agent 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.
  *
  * Domotz Agent 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 Domotz Agent.  If not, see <http://www.gnu.org/licenses/>.
  **/
/**
 *
 * Created by Iacopo Papalini <ipapalini@domotz.com> on 15/05/15.
 */

var factory = function(resourceLocator, parse) {

    function createCommandFromMessage(message) {
        var command = parse(message);
        var commandModule = require('../commands/' + command + '.js');
        return commandModule.command(message, resourceLocator);
    }

    function callback(payload) {
        if (payload === undefined || payload === null) {
            payload = JSON.stringify({});
            console.debug("AMQP - Sending empty message as ack");
        }
        if (payload instanceof Object) {
            payload = JSON.stringify(payload);
        }

        return new Buffer(payload);

    }

    return {
        createCommandFromMessage: createCommandFromMessage,
        callback: callback
    };
};

module.exports.factory = factory;