Facility Control

Hi, 

I'm having trouble with API Get commands, Id like to use the response from the command to replace text in order to display status of external equipment within my custom touchpanel, I am able to het the commands to work from postman, but having no success within dashboard. 

Thanks

 

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Dave Kennedy
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Hi Dave,

I've attached an example panel snippet below making use of ogScript to send a GET request and receive the response. 

To read the response, a callback function needs to be added as an argument to the HTTP ASync Message block:


The callback function is defined here:
From the callback, the response text is parsed into JSON. From the JSON object, you can then read the desired value.

Example Panel:

<?xml version="1.0" encoding="UTF-8"?><abs contexttype="opengear" gridsize="20" id="_top" keepalive="false">
   <meta>
      <params>
         <param access="1" maxlength="0" name="ResponseText" oid="responseText" stateless="true" type="STRING" value="" widget="multiline-text"/>
      </params>
   </meta>
   <button buttontype="push" height="140" left="20" name="Send HTTP GET Request" top="40" width="180">
      <task tasktype="ogscript">function myCallback(responseText) {
	/*-arg responseText: { "type": "STRING",  "widget": "text",  "value": ""} -*/



	var parsedResponse = "";
	var requestedValue = "";

	/*! block id=1010,1007,1013,1014,1016,1015,1016 !*/
	if (	responseText  !=  null) { 	parsedResponse = JSON.parse(responseText);
requestedValue = parsedResponse.origin; 	ogscript.debug(	requestedValue); 	params.setValue('responseText', 0, requestedValue) } else {  }
	/*!!
 	&lt;block id="1010" type="if" x="283" y="10" w="268" INPUT1="ID:1007" OPERATION="does not equal" INPUT2="null" TRUE="ID:1013" FALSE="" IGNORE="" /&gt;
	&lt;block id="1007" type="responseText_String_variable" x="10" y="10" w="243" color="#404040" SET="" /&gt;
	&lt;block id="1013" type="customcode" x="854" y="60" w="343" CODE="parsedResponse = JSON.parse(responseText);&amp;amp;#10;requestedValue = parsedResponse.origin;"  next="ID:1014" /&gt;
	&lt;block id="1014" type="ogscript_debug" x="854" y="204" w="243" MESSAGE="ID:1016"  next="ID:1015" /&gt;
	&lt;block id="1016" type="requestedValue_String_variable" x="581" y="204" w="243" color="#ee862a" SET="" /&gt;
	&lt;block id="1015" type="param_setvalue" x="854" y="276" w="318" PARAM="[root, Params for Community%20Help.grid, Not In Menu, ResponseText (responseText)]" PARAM_DATA="_top&amp;amp;responseText[0]" VALUE="ID:1016" /&gt;
	&lt;block id="1016" type="requestedValue_String_variable" x="581" y="204" w="243" color="#ee862a" SET="" /&gt;
	!!*/
}




/*! block id=1006 !*/
ogscript.asyncHTTP("https://httpbin.org/get", "GET", "application/json", null, myCallback);
/*!!
 &lt;block id="1006" type="ogscript_async" x="176" y="108" w="318" URL="https://httpbin.org/get" METHOD="GET" TYPE="application/json" DATA="null" CALLBACK="myCallback" /&gt;
!!*/
/*!!&lt;checksum&gt;07399059f99438e00e39975a24cdb66a&lt;/checksum&gt;!!*/</task>
   </button>
   <param editable="false" expand="true" height="240" left="20" oid="responseText" showlabel="false" top="260" width="320"/>
   <label height="40" left="20" name="Response:" style="txt-align:west;" top="220" width="180"/>
</abs>

Hopefully this helps, please let me know if you have any further questions!

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Michael Quach
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I am trying to use this to get a response visible, but the only thing I can get to show up is "undefined" 

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Zachary Christodoulides
Director/TD
Spectrum News 1 TX
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Hi Dave,

It looks like you are missing a callback function. Adding one will let you handle the parsing of the response.

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Cheers,

Aury Rukazana
Senior Software Developer
Ross Video
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