MMM-IndoorTemp.js

'use strict';
/* global Module */

/* Magic Mirror
 * Module: MMM-IndoorTemp
 *
 * By Sebastian Hodapp https://www.sebastian-hodapp.de,
 *
 * based on Javier Ayala's module MMM-mqtt http://www.javierayala.com/
 * MIT Licensed.
 */

Module.register('MMM-IndoorTemp', {

  defaults: {
    mqttServer: 'mqtt://test.mosquitto.org',
    topic: '',
    interval: 150000,
    debug: false,
    showAlerts: true,
    showTitle: false,
    title: 'Indoor Temperature',
    loadingText: 'Loading MQTT Data...',
    postText: ''
  },

  start: function() {
    Log.info('Starting module: ' + this.name);
    this.loaded = false;
    this.mqttVal = '';
    this.updateMqtt(this);
  },

  updateMqtt: function(self) {
    self.sendSocketNotification('MQTT_SERVER', { mqttServer: self.config.mqttServer, topic: self.config.topic });
    setTimeout(self.updateMqtt, self.config.interval, self);
  },

  getDom: function() {
    var wrapper = document.createElement('div');

    if (this.config.debug) {

      if (!this.loaded) {
        wrapper.innerHTML = this.config.loadingText;
        return wrapper;
      }

      var titleDiv = document.createElement('div');
      titleDiv.innerHTML = this.config.title;
      wrapper.appendChild(titleDiv);

      var mqttDiv = document.createElement('div');
      mqttDiv.innerHTML = this.mqttVal.toString().concat(this.config.postText);
      wrapper.appendChild(mqttDiv);

    }

    return wrapper;
  },

  socketNotificationReceived: function(notification, payload) {
    if (notification === 'MQTT_DATA' && payload.topic === this.config.topic) {
      this.mqttVal = payload.data.toString();
      this.loaded = true;
      this.sendNotification('INDOOR_TEMPERATURE', this.mqttVal);
      if (this.config.debug) {
        this.updateDom();
      }
    }

    if (notification === 'ERROR' && this.config.showAlerts){
      this.sendNotification('SHOW_ALERT', payload);
    }
  }

});