domotz-remote-pawn/src/events/handler/deviceStatusUpdate.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 Tommaso Latini <tommaso@domotz.com> on 22/07/15.
 */

const MAX_NETWORK_SWITCH_CYCLE = 3;
const MAX_ZIGBEE_CONTROLLER_CYCLE = 15;
const MAX_COUNTER_VALUE = MAX_NETWORK_SWITCH_CYCLE * MAX_ZIGBEE_CONTROLLER_CYCLE;
const LOG_EVENT = 'HANDLER - (deviceStatusUpdate)';

var compute_query_parameters = function(call_counter) {

    var ret = 'macro_category=power_plug';
    if (call_counter % MAX_ZIGBEE_CONTROLLER_CYCLE === 0) {
        ret += '&macro_category=zigbee_controller';
    }
    if (call_counter % MAX_NETWORK_SWITCH_CYCLE === 0) {
        ret += '&macro_category=network_switch';
    }

    return ret;
};


var deviceStatusUpdate = function (resourceLocator) {
    arguments.callee.counter = (++arguments.callee.counter) || 0;
    var status = resourceLocator.status;

    if (status.get() === status.RESTRICTED || status.get() === status.UPDATING) {
        console.warn(LOG_EVENT + ': Pawn in restricted or updating mode. Cannot perform Discovery');
        return;
    }

    var query_string = compute_query_parameters(arguments.callee.counter);
    var engineRequest = resourceLocator.engineRequest;
    var engineUrlForPlugs = '/device-status?' + query_string;

    console.warn(LOG_EVENT + ': ' + query_string);
    engineRequest.send(engineUrlForPlugs, 'PUT', {});

    arguments.callee.counter %= MAX_COUNTER_VALUE;
};


module.exports.handler = deviceStatusUpdate;