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

    Recent Best Controversial
    • RE: Trying to write my own Module...

      Thanks for the great support.

      I currently have no errors with what you’ve helped provide me with. However, it displays the else condition, and NO DATA.

      Right now, my MMM-EMonitor.js looks like the following:

      Module.register ("MMM-EMonitor", {
          
          //default module config.
          defaults: {
              // Insert defaults here
              interval: 900000 // Every 15 mins
          },
          
          getStyles: function() {
              return ["MMM-EMonitor.css"];
          },
          
          // Define the start sequence
          start: function() {
              Log.log("Starting module: " + this.name);
              
              //this.securitykey = REDACTED;
              this.url = 'https://api.emonitor.us/location/getCurrentData?security_key=REDACTED';
              this.getCurrentData(this);
          },
          
         getCurrentData: function(that) {
             that.sendSocketNotification('GET-CURRENT-DATA', that.url);
             setTimeout(that.getCurrentData, that.config.interval, that);
          },
          
      
         getDom: function(){
       	 var wrapper = document.createElement("div");
      
        	if(this.xml){
         	 var channels = this.xml.getElementsByTagName("channel");
         	 for(var i = 0; i < channels.length; i++){
          	   for(var n = 0; n < channels[i].children.length; n++){
             		if(channels[i].children[n].tagName === "name" || channels[i].children[n].tagName === "watts"){
                	var element = document.createElement("div");
                	element.classList.add(channels[i].children[n].tagName);
                	element.innerHTML = channels[i].children[n].textContent;
                	wrapper.appendChild(element);
              	}
            	}
          	}
        	} else {
          		wrapper.innerHTML = "NO DATA";
        	}
        	return wrapper;
      }
      });
      

      and my css looks like the following:

      .MMM-EMonitor .centered {
          text-align: center;
      }
      

      Like I mentioned, the NO DATA is showing up. The security key is working, and returns the XML which I have in my original post.

      posted in Development
      nbrennN
      nbrenn
    • RE: Trying to write my own Module...

      @strawberry-3.141 Thanks for the snippet! I have a better idea of how to extract the data from the XML with your example.

      If I want to simply output what you have provided in your post, would I need to simply put your snippet into my getDom() function and add the .name to my .css file (similar to how I have the .watts)?

      So I know that’s probably incorrect, but I just tried it and an error returned:
      Cannot read property getElementsByClassName of null. I think that I am having trouble understanding how to create the div object for which to add in the data.

      posted in Development
      nbrennN
      nbrenn
    • RE: Trying to write my own Module...

      @mochman
      Thanks for the response and the examples. Are some of the XML methods in the tutorial you linked to, often used in Mirror modules?

      I wasn’t planning on using a node_helper.js and my code does abruptly end in the middle of the getDOM(). I got stuck when trying to find out how to extract specifics from the XML, like <name> and <watts>.

      Do you know of any other good module examples that would have similar XML structure, where specific objects were extracted from?

      posted in Development
      nbrennN
      nbrenn
    • RE: Trying to write my own Module...

      @mochman
      Thanks for the link to the markdown page! My OP is edited accordingly. I do understand that I’m missing necessary code in order to make it function. I’m just not really sure what.

      I would like to print the <name> and <watts> if possible. The XML returned has a lot more data, but for the sake of this post, I cut it down to just include the first three items. I would like to print all three.

      posted in Development
      nbrennN
      nbrenn
    • Trying to write my own Module...

      Hi all,

      I am trying to write my own module from scratch and I am a bit of a crossroads of confusion. I have attached my .js code and my .css code is below. I am stuck trying to tie it all together. I have the output from a generic API call to the website I am getting data from, and I have a basic .js and .css file. However, with my lack of javascript experience, I am having trouble getting to the next level.

      The first basic thing I am trying to do is to display the current Watts that is output from the API call (the output of the call is shown below). I have the basic format of the .js file, and a basic format for my .css file. I was wondering if anyone can take a look at my .js file and let me know what else is needed in order to get something basic working (like just displaying the wattage).

      My .css file only contains the following:

      .watts {
      	font-size: 75%;
      	line-height: 65px;
      	display: inline-block;
      }
      

      The non-JSON format when I go to the following website (https://api.emonitor.us/location/getCurrentData?security_key=xxxxx) is as follows:

      <GetCurrentData>
      <Location Location="2744">
      <name>Home</name>
      <address>REDACTED</address>
      <city>REDACTED</city>
      <state>REDACTED</state>
      <country>USA</country>
      <zip>REDACTED</zip>
      <timezone>REDACTED</timezone>
      <data>
      <channelData>
      <channel channel="194882">
      <channelNumber>1 + 2</channelNumber>
      <eMonitorSerial>14881</eMonitorSerial>
      <name>Main Power Main Panel</name>
      <circuitType>Mains</circuitType>
      <phase/>
      <CTSize>150</CTSize>
      <BreakerSize>200</BreakerSize>
      <timestamp>2016-12-22 15:54:00</timestamp>
      <watts>-9</watts>
      </channel>
      <channel channel="194886">
      <channelNumber>5</channelNumber>
      <eMonitorSerial>14881</eMonitorSerial>
      <name>West Solar 1</name>
      <circuitType>Solar Panels</circuitType>
      <phase/>
      <CTSize>20</CTSize>
      <BreakerSize>20</BreakerSize>
      <timestamp>2016-12-22 15:54:00</timestamp>
      <watts>-165</watts>
      </channel>
      <channel channel="194887">
      <channelNumber>6</channelNumber>
      <eMonitorSerial>14881</eMonitorSerial>
      <name>West Solar 2</name>
      <circuitType>Solar Panels</circuitType>
      <phase/>
      <CTSize>20</CTSize>
      <BreakerSize>20</BreakerSize>
      <timestamp>2016-12-22 15:54:00</timestamp>
      <watts>-143</watts>
      </channel>
      <channel channel="194888">
      <channelNumber>7</channelNumber>
      <eMonitorSerial>14881</eMonitorSerial>
      <name>Both Bathroom Outlets</name>
      <circuitType>Outlets/Lighting</circuitType>
      <phase/>
      <CTSize>20</CTSize>
      <BreakerSize>20</BreakerSize>
      <timestamp>2016-12-22 15:54:00</timestamp>
      <watts>0</watts>
      </channel>
      <channel channel="194889">
      <channelNumber>8</channelNumber>
      <eMonitorSerial>14881</eMonitorSerial>
      <name>1st Floor Lights</name>
      <circuitType>Lighting</circuitType>
      <phase/>
      <CTSize>20</CTSize>
      <BreakerSize>15</BreakerSize>
      <timestamp>2016-12-22 15:54:00</timestamp>
      <watts>0</watts>
      </channel>
      </channelData>
      </data>
      </Location>
      <totalRecords>107</totalRecords>
      </GetCurrentData>
      

      Thanks for looking!

      The .js file I have written so far is below:

      Module.register ("MMM-EMonitor", {
          
          //default module config.
          defaults: {
              // Insert defaults here
              interval: 900000 // Every 15 mins
          },
          
          getStyles: function() {
              return ["MMM-Emonitor.css"];
          },
          
          // Define the start sequence
          start: function() {
              Log.info("Starting module: " + this.name);
              
              this.securitykey = REDACTED;
              this.url = 'https://api.emonitor.us/location/getCurrentData?security_key=' + this.SecurityKey
              this.getCurrentData(this);
          },
          
         getCurrentData: function(that) {
             that.sendSocketNotification('GET-CURRENT-DATA', that.url);
             setTimeout(that.getCurrentData, that.config.interval, that);
          },
          
          getDom: function() {
              var wrapper = null;
              
              if (this.loaded) { 
                  wrapper = document.createElement('div');
                      wrapper.className = 'data table';
      
      posted in Development
      nbrennN
      nbrenn
    • I have the API Documentation - Not sure next steps

      Hi all,

      The E-Monitor API specification has a listing of the supported API methods (page 3), like authenticate, deauthenticate, getCurrentData and so on.

      I’m not really sure where to go from here, as far as developing a module based on the API specification. Below, I have some of the very basic structure of the module, but I feel like I am out of my league when trying to write my own module.

      Module.resgister (“MMM-Emonitor.js”, {
      },

      getStyles: function() {
      },

      start: function() {
      },

      getDom: function() {
      },

      // And then the EMonitor methods below:
      authenticate: function() {
      }

      deauthenticate: function() {
      }

      getCurrentData: function() {
      }

      //… and so on down the list of the supported API methods

      posted in Requests
      nbrennN
      nbrenn
    • RE: Tutorials or Overview for Module Dev?

      Thanks for the responses, guys.

      The E-Monitor API specification has a listing of the supported API methods (page 3), like authenticate, deauthenticate, getCurrentData and so on.

      Aside from Module.register, getStyles, start: function(), and getDom, are these methods listed in the API specification the ones that I will use as functions in my code? For example:

      Module.resgister ("MMM-Emonitor.js", {
      },
      
      getStyles: function() {
      },
      
      start: function() {
      },
      
      getDom: function() {
      },
      
       // And then the EMonitor methods below:
      authenticate: function() { 
      }
      
      deauthenticate: function() {
      }
      
      getCurrentData: function() {
      }
      
      //... and so on down the list of the supported API methods
      
      posted in Development
      nbrennN
      nbrenn
    • Tutorials or Overview for Module Dev?

      I am looking to develop a module for my Mirror, for an Energy Monitor (SiteSage E-Monitor), and I have found the API specification that provides all of the information regarding the methods for the API.

      I was wondering if there exists a general overview of how to take the API methods that are outlined in the company’s specification, and turn it into a Module.

      From my high-level understanding, here is what I need to develop:

      • E-MonitorConfig.js
      • E-MonitorStyling.css --> which takes the data from the API call and turns it into the visualization for the magic mirror.

      Is there any general documentation or any high-level guidelines that I may be missing as I embark on this journey?

      posted in Development
      nbrennN
      nbrenn
    • RE: MMM-Nest only showing a Blank Black Screen

      I received the error:

      Load script: modules/MMM-Nest//MMM-Nest.js
      Failed to load resource: the server responded with a status of 404 (Not Found)

      What could be causing this error? A port issue? A token issue with the Nest API?

      posted in Troubleshooting
      nbrennN
      nbrenn
    • MMM-Nest only showing a Blank Black Screen

      When I entered the access token for the MMM-Nest Module, I am only seeing a blank black screen.

      When I comment out the Nest module, all of my other modules are working fine.

      I have my access token entered correctly, as far as I know. I’m just confused as to why I’d receive a blank black screen, with no other modules showing up either.

      Thanks for any ideas!

      posted in Troubleshooting
      nbrennN
      nbrenn
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