domotz-remote-pawn/src/commands/updateConfiguration.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 09/04/15.
 *
 */

const RETRY_ATTEMPTS = 5;
const RETRY_DELAY = 3000;

var updateConfiguration = function (message, resourceLocator) {

    var payload = message.payload;

    var q               = resourceLocator.q;
    var configurator    = resourceLocator.configurator;
    var utils           = resourceLocator.utils;
    var sendWithPromise = resourceLocator.engineRequest.sendWithPromise;
    var credentials     = resourceLocator.configuration.credentials;

    var reader              = configurator.getConfiguration;
    var writer              = configurator.writeConfiguration;
    var setConfigurationUrl = configurator.setConfigurationUrl;
    var serviceReStarter    = utils.proc.restart;
    var eventUtils          = utils.event;


    return {
        describe: function () {
            return message.correlationId + " - updateConfiguration - " +
                "Version: " + payload.version;
        },
        execute: function (callback) {
            console.info('updateConfiguration - Require new config data to: ' +
                payload.location);

            setConfigurationUrl(payload.location);

            reader(credentials)
                .then(writer)
                .then(function () {
                    var resource = '/event';
                    var method = 'POST';
                    var eventBody = eventUtils.getBodyForEvent("down", "updateCfg");
                    return sendWithPromise(resource, method, eventBody, undefined, undefined, {maxAttempts: RETRY_ATTEMPTS ,retryDelay: RETRY_DELAY})
                })
                .then(serviceReStarter)
                .catch(function (err) {
                    console.warn('Error on updateConfiguration command');
                    console.error(err.stack);
                });

            callback();
        }
    };
};

module.exports.command = updateConfiguration;