MMM-homeassistant-sensors.js

'use strict';

Module.register("MMM-homeassistant-sensors", {

  result: {},
  defaults: {
    prettyName: true,
    stripName: true,
    title: 'Home Assistant',
    url: '',
    updateInterval: 3000,
    values: []
  },

  start: function() {
    this.getStats();
    this.scheduleUpdate();
  },

  isEmpty: function(obj) {
    for(var key in obj) {
      if(obj.hasOwnProperty(key)) {
        return false;
      }
    }

    return true;
  },

  getDom: function() {
    var wrapper = document.createElement("ticker");
    wrapper.className = 'dimmed small';

    var data = this.result;
    var statElement =  document.createElement("header");
    var title = this.config.title;
    statElement.innerHTML = title;
    wrapper.appendChild(statElement);
   
    if (data && !this.isEmpty(data)) {
      var tableElement = document.createElement("table");


      var values = this.config.values;
//      console.log(values);
      if (values.length > 0) {
        for (var i = 0; i < values.length; i++) {
//	  console.log(data);
          var val = this.getValue(data, values[i]);
	  var name=this.getName(data, values[i]);
//          console.log(val);
          if (val) {
            tableElement.appendChild(this.addValue(values[i], val));
          }
        }
      } else {
        for (var key in data) {
          if (data.hasOwnProperty(key)) {
            tableElement.appendChild(this.addValue(key, data[key]));
          }
        }
      }

      wrapper.appendChild(tableElement);
    } else {
      var error = document.createElement("span");
      error.innerHTML = "Error fetching stats.";
      wrapper.appendChild(error);
    }

    return wrapper;
  },

  getValue: function(data, value) {
    for(var i=0; i<data.length;i++){

//       console.log(data[i].entity_id + " == " + value);
       if (data[i].entity_id == value){
          console.log(data[i].state + " " + data[i].attributes.unit_of_measurement);
	  return data[i].state + " " + data[i].attributes.unit_of_measurement;
       }
    }
  return null;
  },

  getName: function(data, value) {
    for(var i=0; i<data.length;i++){

//       console.log(data[i].entity_id + " == " + value);
       if (data[i].entity_id == value){
          console.log(data[i].attributes.friendly_name);
          return data[i].attributes.friendly_name;
       }
    }
  return null;
  },

  addValue: function(name, value) {
    var row = document.createElement("tr");
    if (this.config.stripName) {
      var split = name.split(".");
      name = split[split.length - 1];
    }

    if (this.config.prettyName) {
      name = name.replace(/([A-Z])/g, function($1){return "_"+$1.toLowerCase();});
      name = name.split("_").join(" ");
      name = name.replace(/\w\S*/g, function(txt){return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();});
      
    }
    console.log(name + ": " + value);
//    row.innerHTML = name + ": " + JSON.stringify(value);
    row.innerHTML = name + ": " + value;
    return row;
  },

  scheduleUpdate: function(delay) {
    var nextLoad = this.config.updateInterval;
    if (typeof delay !== "undefined" && delay >= 0) {
      nextLoad = delay;
    }

    var self = this;
    setInterval(function() {
      self.getStats();
    }, nextLoad);
  },

  getStats: function () {
    this.sendSocketNotification('GET_STATS', this.config.url);
  },

  socketNotificationReceived: function(notification, payload) {
    if (notification === "STATS_RESULT") {
      this.result = payload;
      var fade = 500;
      this.updateDom(fade);
    }
  },

});