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A New Chapter for MagicMirror: The Community Takes the Lead
Read the statement by Michael Teeuw here.

MMM-Domoticz Cannot read property '0' of undefined

Scheduled Pinned Locked Moved Unsolved Troubleshooting
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  • N Offline
    Nilnik Project Sponsor @MisterT
    last edited by Sep 11, 2019, 7:44 PM

    @MisterT Hello again, I noticed that have changed the row “setInterval(function() {” to
    “setTimeout(function() {”

    1 Reply Last reply Reply Quote 0
    • S Offline
      sdetweil @MisterT
      last edited by Sep 12, 2019, 3:30 AM

      @MisterT sent response via email

      Sam

      How to add modules

      learning how to use browser developers window for css changes

      1 Reply Last reply Reply Quote 0
      • M Offline
        MisterT
        last edited by MisterT Jan 7, 2020, 6:14 PM Jan 7, 2020, 5:18 PM

        Hi, I come back again because @sdetweil send me a MMM-Domoticz module. This module works with user and password of domoticz. So if you want see your domoticz devices on your MM you can use this code below.
        Just copy it on text editor and save it as domoticz.js in your MM module folder and in a domoticz folder

        /* global Module */
        
        /* Magic Mirror
         * Module: Domoticz
         *
         * By Mathias Arvidsson  & editing by sdetewell
         */
        
        Module.register("domoticz",{
        
        	defaults: {
        		units: 0,
        		updateInterval: 2000,
        		animationSpeed: 1000,
        		timeFormat: "HH:MM:ss",
        		lang: "en",
        
        		initialLoadDelay: 0,
        		retryDelay: 2500,
        
                apiBase: "http://xxx.xxx.x.xx",
        		apiUser: "xxxxx",
        		apiPw: "xxxxxxxxx",
        		sensors: [
        			{
        				idx: "1",
        				symbolon: "fa fa-user",
        				symboloff: "fa fa-user-o",
        				hiddenon: false,
        				hiddenoff: false,
        				customTitle: "",
        			},
        		],
        	},
        	keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
        		// sample data for parse testing
        	foo:'{ "result": [\
           {"Name":"test1", "Data":"foobar1","type":"something1"},\
        	  {"Name":"test2", "Data":"foobar2","type":"something2"},\
        		 {"Name":"test3", "Data":"foobar3","type":"something3"},\
        		  {"Name":"test4", "Data":"foobar4","type":"something4"}\
        ]}',
        
        	firstEvent: false,
        
          Base64_encode : function(input) {
            var output = "";
            var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
            var i = 0;
            input = this.Base64_utf8_encode(input);
            while (i < input.length) {
              chr1 = input.charCodeAt(i++);
              chr2 = input.charCodeAt(i++);
              chr3 = input.charCodeAt(i++);
              enc1 = chr1 >> 2;
              enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
              enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
              enc4 = chr3 & 63;
              if (isNaN(chr2)) {
                enc3 = enc4 = 64;
              } else if (isNaN(chr3)) {
                enc4 = 64;
              }
              output = output + this.keyStr.charAt(enc1) + this.keyStr.charAt(enc2) + this.keyStr.charAt(enc3) + this.keyStr.charAt(enc4);
            }
            return output;
          },
        
          Base64_decode : function(input) {
            var output = "";
            var chr1, chr2, chr3;
            var enc1, enc2, enc3, enc4;
            var i = 0;
            input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
            while (i < input.length) {
              enc1 = this.keyStr.indexOf(input.charAt(i++));
              enc2 = this.keyStr.indexOf(input.charAt(i++));
              enc3 = this.keyStr.indexOf(input.charAt(i++));
              enc4 = this.keyStr.indexOf(input.charAt(i++));
              chr1 = (enc1 << 2) | (enc2 >> 4);
              chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
              chr3 = ((enc3 & 3) << 6) | enc4;
              output = output + String.fromCharCode(chr1);
              if (enc3 != 64) {
                output = output + String.fromCharCode(chr2);
              }
              if (enc4 != 64) {
                output = output + String.fromCharCode(chr3);
              }
            }
            output = this.Base64_utf8_decode(output);
            return output;
          },
        
          Base64_utf8_encode : function(string) {
            string = string.replace(/\r\n/g, "\n");
            var utftext = "";
            for (var n = 0; n < string.length; n++) {
              var c = string.charCodeAt(n);
              if (c < 128) {
                utftext += String.fromCharCode(c);
              } else if ((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192);
                utftext += String.fromCharCode((c & 63) | 128);
              } else {
                utftext += String.fromCharCode((c >> 12) | 224);
                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                utftext += String.fromCharCode((c & 63) | 128);
              }
            }
            return utftext;
          },
        
          Base64_utf8_decode : function(utftext) {
            var string = "";
            var i = 0;
            var c = 0,
              c1 = 0,
              c2 = 0,
              c3 = 0;
            while (i < utftext.length) {
              c = utftext.charCodeAt(i);
              if (c < 128) {
                string += String.fromCharCode(c);
                i++;
              } else if ((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i + 1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
              } else {
                c2 = utftext.charCodeAt(i + 1);
                c3 = utftext.charCodeAt(i + 2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
              }
            }
            return string;
          },
        
        
        
        	getStyles: function() {
        	    return ['font-awesome.css'];
        	},
        	// Define required scripts.
        	getScripts: function() {
        		return ["moment.js"];
        	},
        
        
        
        	// Define start sequence.
        	start: function() {
        		Log.info("Starting module: " + this.name);
        		// Set locale.
        		moment.locale(config.language);
        
        		this.loaded = false;
        		this.status1 = false;
        		this.title = "Loading...";
        		this.scheduleUpdate(this.config.updateInterval);//this.scheduleUpdate(this.config.initialLoadDelay);
        		this.sensors = [];
        		for (var c in this.config.sensors) {
        			var sensor = this.config.sensors[c];
        			var newSensor = {idx:sensor.idx, symbolon:sensor.symbolon, symboloff:sensor.symboloff, hiddenon:sensor.hiddenon, hiddenoff:sensor.hiddenoff, customTitle:sensor.customTitle, status:"", sname:"",type:""};
        			Log.log(sensor.idx);
        			this.sensors.push(newSensor);
        		}
        Log.log(JSON.stringify(this.sensors));
        	},
        
        
        
        	// Override dom generator.
        	getDom: function() {
        		var wrapper = document.createElement("div");
        
        		if (!this.loaded) {
        			wrapper.innerHTML = "Loading...";
        			wrapper.className = "dimmed light small";
        			return wrapper;
        		}
        		var tableWrap = document.createElement("table");
        		tableWrap.className = "small";
        
        		for (var c in this.sensors) {
        			var sensor = this.sensors[c];
        			if((sensor.status=="On" && sensor.hiddenon)||(sensor.status=="Off" && sensor.hiddenoff)) continue;
        			var sensorWrapper = document.createElement("tr");
        			sensorWrapper.className = "normal";
        
        			var symbolTD = document.createElement('td');
        			symbolTD.className = "symbol";
        			var symbol = document.createElement('i');
        			var symbolClass = sensor.symboloff
        			if(sensor.status=="On") symbolClass = sensor.symbolon
        			symbol.className = symbolClass;
        			symbolTD.appendChild(symbol);
        			sensorWrapper.appendChild(symbolTD);
        
        			var titleTD = document.createElement('td');
        			titleTD.className = "title bright";
        			if(sensor.status=="Off") titleTD.className = "title light";
        			titleTD.innerHTML = sensor.sname;
        			if(typeof sensor.customTitle !== 'undefined') titleTD.innerHTML = sensor.customTitle;
        			sensorWrapper.appendChild(titleTD);
        
        			var statusTD = document.createElement('td');
        			statusTD.className = "time light";
        			statusTD.innerHTML = sensor.status;
        			sensorWrapper.appendChild(statusTD);
        
        			tableWrap.appendChild(sensorWrapper);
        		}
        		wrapper.appendChild(tableWrap);
        		return wrapper;
        	},
        
        
        	updateDomo: function() {
        		var i = 0;
        		var self = this
        		let userid= this.Base64_encode(this.config.apiUser)
        		let password=this.Base64_encode(this.config.apiPw)
        		for (var sensor of this.sensors) {
        			
        			var url =  this.config.apiBase + ":" + this.config.apiPort + "/json.htm?username="+userid + "&password=" +password + "&type=devices&rid="  + sensor.idx;
        			let domoRequest = new XMLHttpRequest();
        			domoRequest.open("GET", url, true);
        			domoRequest.onreadystatechange = function() {
        				if (this.readyState === 4) {
        					// if the api response return code is 200 (ok)
        					if (this.status === 200) {
        						// if there was data returned
        						// example https://github.com/driverdan/node-XMLHttpRequest/blob/master/example/demo.js 
        						// uses this.responseText , not this.response
        						// this.response is an object
        						if(this.responseText && this.responseText.length>0){
        							// process it
        							self.processJson(JSON.parse(this.responseText));							
        							Log.log("Loaded data");
        						}
        						else {
        							 // oops, no data returned
        						   Log.error(self.name + ": no data returned.");
        						}
        					} else {
        						Log.error(self.name + ": Could not load data.");
        						Log.log("Did not load data");
        						// dummy call to verify parse works ok
        						// even where there are no devices
        						self.processJson(JSON.parse(self.foo));
        					}
        				}
        			};			
        			// watch out having multiple requests in progress at the same time. 
        			// onreadystatechange doesn't happen til LONG time after send..
        			// for loop starts another request immediately
        			domoRequest.send();			
        			i++;
        		}
        	},
        
        	processJson: function(data) {		
        		if (!data) {
        			// Did not receive usable new data.
        			// Maybe this needs a better check?
        			return;
        		}
        		Log.log("data="+data);
        		for (var c in this.sensors) {		
        		  // moved log entry here, as c is not set until start of for loop
        			// watch out if data does not contain "result":[] array
        			if( data.result !=='undefined' && typeof data.result ==='object' && data.result.length >0) {
        				Log.log("****Parsing data: " + c + " " + data.result[0].Name);		
        				var sensor = this.sensors[c];
        				if(sensor.idx == data.result[0].idx){
        					this.sensors[c].sname = data.result[0].Name;
        					this.sensors[c].status = data.result[0].Data;
        					this.sensors[c].type = data.result[0].Type;
        				}
        			}
        		}
        		
        		this.loaded = true;
        		this.updateDom(this.config.animationSpeed);
        	},
        
        	scheduleUpdate: function(delay) {
        		Log.log("Updating..");
        		var nextLoad = this.config.updateInterval;
        		if (typeof delay !== "undefined" && delay >= 0) {
        			nextLoad = delay;
        		}
        
        		//var self = this;
        		setInterval(() => {
        			this.updateDomo();
        		}, nextLoad);
        	}
        });
        

        After this in your config.js just add for exemple:

        		{
        			module: 'domoticz',
              			position: 'top_right',
              			header: 'Températures',
              				config: {
                    				apiBase: "http://xxx.xxx.x.xx",
                    				apiPort: "xx",
        					apiUser: "xxx",
        					apiPw: "xxxxxx",
                    			sensors: [
                          			{
        					idx: "183",
        					symbolon: "fa fa-thermometer-half",
        					symboloff: "fa fa-thermometer-half",
        					customTitle: "Cuisine",
        					},
                          			{
        					idx: "5",
        					symbolon: "fa fa-thermometer-half",
        					symboloff: "fa fa-thermometer-half",
        					customTitle: "Raspberry Domotique",
        					},					
        					]
        					}
           		},
        

        And it works
        Thanks @sdetweil for your help

        M 1 Reply Last reply Feb 21, 2022, 1:50 PM Reply Quote 1
        • M Offline
          MisterT @MisterT
          last edited by Feb 21, 2022, 1:50 PM

          Hi, everybody
          I used this old thread because i have a other problem with this module. I update my magic mirror to 2.8 and now this module doesn’t work properly. the error is:

          Domoticz.js:260 GET http://1xx.1xx1.3x:xxxx/json.htm?username=RmFiaWVu&password=ZmwwNjA2ODVEb21vdGljeg==&type=devices&rid=334 net::ERR_FAILED
          updateDomo @ domoticz.js:260
          (anonymous) @ domoticz.js:299
          0.0.0.0/:1 Access to XMLHttpRequest at 'http://1xx.1xx1.3x:xxxx/json.htm?username=RmFiaWVu&password=ZmwwNjA2ODVEb21vdGljeg==&type=devices&rid=336' from origin 'http://0.0.0.0:8080' has been blocked by CORS policy: The request client is not a secure context and the resource is in more-private address space `private`.
          domoticz.js:249 domoticz: Could not load data.
          domoRequest.onreadystatechange @ domoticz.js:249
          XMLHttpRequest.send (async)
          updateDomo @ domoticz.js:260
          (anonymous) @ domoticz.js:299
          domoticz.js:250 Did not load data
          domoticz.js:271 data=[object Object]
          domoticz.js:276 ****Parsing data: 0 test1
          domoticz.js:276 ****Parsing data: 1 test1
          domoticz.js:276 ****Parsing data: 2 test1
          domoticz.js:276 ****Parsing data: 3 test1
          domoticz.js:276 ****Parsing data: 4 test1
          domoticz.js:276 ****Parsing data: 5 test1
          domoticz.js:276 ****Parsing data: 6 test1
          domoticz.js:260 GET http://1xx.1xx1.3x:xxxx/json.htm?username=RmFiaWVu&password=ZmwwNjA2ODVEb21vdGljeg==&type=devices&rid=336 net::ERR_FAILED
          

          I think the json request doesn’t match with the good domoticz request

          http://1xx.1xx1.3x:xxxx/json.htm?username=RmFiaWVu&password=ZmwwNjA2ODVEb21vdGljeg==&type=devices&rid=336

          ip and port are good but all these after are bad.
          @sdetweil is the most contributor of this code. have you an idea?
          i use the same code that the code is above this post

          thanks for your help

          S 1 Reply Last reply Feb 21, 2022, 3:39 PM Reply Quote 0
          • S Offline
            sdetweil @MisterT
            last edited by Feb 21, 2022, 3:39 PM

            @mistert electron is enforcing more things than before…

            see this post for a possible workaround

            https://forum.magicmirror.builders/topic/16384/node-helper-access-control-allow-origin/2?_=1645457720236

            Sam

            How to add modules

            learning how to use browser developers window for css changes

            1 Reply Last reply Reply Quote 0
            • M MisterT referenced this topic on Jan 6, 2023, 6:09 PM
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