Tweet Dashboard

Build a Node-RED Dashboard that charts Twitter hashtag sentiment history

This flow takes the sentiment of tweets and adds them to a dashboard in the form of

To install Dashboard nodes go to manage palette and install node-red-dashboard

Here are the steps to configure dashboard nodes in your instance of IBM Cloud :

Step 1. Search for the instance of the Node-RED starter kit you created on IBM Cloud

Step 2. Once change is committed go back to App url and in the manage pallet section search for dashboard nodes

Flow can be imported :

[
   {
      "id":"f2ce3087.ee968",
      "type":"tab",
      "label":"Tweet Language ",
      "disabled":false,
      "info":""
   },
   {
      "id":"3b13170a.8b5ba8",
      "type":"inject",
      "z":"f2ce3087.ee968",
      "name":"Happy test",
      "topic":"",
      "payload":"{\"text\":\"every one is awesome\"}",
      "payloadType":"json",
      "repeat":"",
      "crontab":"",
      "once":false,
      "onceDelay":"",
      "x":160,
      "y":140,
      "wires":[
         [
            "1ccd705b.07ca2"
         ]
      ]
   },
   {
      "id":"1ccd705b.07ca2",
      "type":"change",
      "z":"f2ce3087.ee968",
      "name":"",
      "rules":[
         {
            "t":"set",
            "p":"tweet",
            "pt":"msg",
            "to":"payload",
            "tot":"msg"
         }
      ],
      "action":"",
      "property":"",
      "from":"",
      "to":"",
      "reg":false,
      "x":380,
      "y":180,
      "wires":[
         [
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         ]
      ]
   },
   {
      "id":"62a9afb1.aa101",
      "type":"inject",
      "z":"f2ce3087.ee968",
      "name":"Sadness test",
      "topic":"",
      "payload":"{\"text\":\"This is miserable and sad\"}",
      "payloadType":"json",
      "repeat":"",
      "crontab":"",
      "once":false,
      "onceDelay":"",
      "x":170,
      "y":200,
      "wires":[
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      ]
   },
   {
      "id":"60cfb004.afcc18",
      "type":"inject",
      "z":"f2ce3087.ee968",
      "name":"Angry test",
      "topic":"",
      "payload":"{\"text\":\"I hate this demo\"}",
      "payloadType":"json",
      "repeat":"",
      "crontab":"",
      "once":false,
      "x":180,
      "y":260,
      "wires":[
         [
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         ]
      ]
   },
   {
      "id":"e87cc8f9.0d3b1",
      "type":"watson-text-to-speech",
      "z":"f2ce3087.ee968",
      "name":"text to speech",
      "lang":"en-US",
      "langhidden":"en-US",
      "langcustom":"NoCustomisationSetting",
      "langcustomhidden":"",
      "voice":"en-US_AllisonVoice",
      "voicehidden":"es-ES_EnriqueVoice",
      "format":"audio/wav",
      "password":"Go3dEL-Escher-B@ch-climB-0ak5!",
      "apikey":"YptiEGxP7PZK71dQVZq96jBmZZ7Y9KxJcDwYO9Kt5WWp",
      "payload-response":false,
      "default-endpoint":true,
      "service-endpoint":"https://stream.watsonplatform.net/text-to-speech/api",
      "x":840,
      "y":380,
      "wires":[
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   },
   {
      "id":"19037133.924c87",
      "type":"function",
      "z":"f2ce3087.ee968",
      "name":"Remove URLS and replace #",
      "func":"var tweet = msg.tweet.text;\nvar newtweet = tweet.replace(/#/g, \" Hash tag \");\n\n// regex from https://stackoverflow.com/questions/1500260/detect-urls-in-text-with-javascript\nmsg.payload = newtweet.replace( /(([a-z]+:\\/\\/)?(([a-z0-9\\-]+\\.)+([a-z]{2}|biz|com|co|edu|gov|info|net|org|ly))(:[0-9]{1,5})?(\\/[a-z0-9_\\-\\.~]+)*(\\/([a-z0-9_\\-\\.]*)(\\?[a-z0-9+_\\-\\.%=&]*)?)?(#[a-zA-Z0-9!$&'()*+.=-_~:@/?]*)?)(\\s+|$)/gi, \"see short URL \" );\nreturn msg;",
      "outputs":1,
      "noerr":0,
      "x":640,
      "y":160,
      "wires":[
         [
            "7e5ec0f9.bbb5a8",
            "37cf1c8a.bf4d54"
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   },
   {
      "id":"7e5ec0f9.bbb5a8",
      "type":"debug",
      "z":"f2ce3087.ee968",
      "name":"",
      "active":true,
      "tosidebar":true,
      "console":false,
      "tostatus":false,
      "complete":"false",
      "x":870,
      "y":140,
      "wires":[

      ]
   },
   {
      "id":"dffc23d5.a9663",
      "type":"debug",
      "z":"f2ce3087.ee968",
      "name":"Tone categories",
      "active":true,
      "console":"false",
      "complete":"payload",
      "x":880,
      "y":320,
      "wires":[

      ]
   },
   {
      "id":"9a0f3aa8.923ad",
      "type":"function",
      "z":"f2ce3087.ee968",
      "name":"High Score",
      "func":"var emotions = [];\nemotions = msg.response.document_tone.tone_categories\n                .filter(function(c){\n                    if (c.category_id == \"emotion_tone\")\n                    {return c; }\n                    })[0].tones;\n                    \nvar myscore =  0;\nfor (var i=0; i<emotions.length; i++) {\n    if(emotions[i].score > myscore) {\n        msg.payload = emotions[i].score;\n        msg.topic = emotions[i].tone_name;\n        myscore = emotions[i].score;\n    }\n}\n\nreturn msg;",
      "outputs":1,
      "noerr":0,
      "x":170,
      "y":360,
      "wires":[
         [
            "16df6bd0.9e3004",
            "1f4d73c0.0f3c14"
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   {
      "id":"16df6bd0.9e3004",
      "type":"debug",
      "z":"f2ce3087.ee968",
      "name":"Score",
      "active":true,
      "console":"false",
      "complete":"topic",
      "x":370,
      "y":360,
      "wires":[

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   },
   {
      "id":"677da65d.953ad8",
      "type":"debug",
      "z":"f2ce3087.ee968",
      "name":"Print msg.response",
      "active":true,
      "console":"false",
      "complete":"response",
      "x":630,
      "y":260,
      "wires":[

      ]
   },
   {
      "id":"37cf1c8a.bf4d54",
      "type":"watson-tone-analyzer-v3",
      "z":"f2ce3087.ee968",
      "name":"Analyze Tone",
      "tones":"emotion",
      "sentences":"true",
      "contentType":"false",
      "tone-method":"generalTone",
      "interface-version":"2016-05-19",
      "default-endpoint":true,
      "service-endpoint":"",
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      "y":280,
      "wires":[
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   {
      "id":"1d5a2d93.b33b62",
      "type":"change",
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      "name":"tone_categories",
      "rules":[
         {
            "t":"set",
            "p":"payload",
            "pt":"msg",
            "to":"response.document_tone.tone_categories",
            "tot":"msg"
         }
      ],
      "action":"",
      "property":"",
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      "x":660,
      "y":320,
      "wires":[
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   {
      "id":"1f4d73c0.0f3c14",
      "type":"switch",
      "z":"f2ce3087.ee968",
      "name":"Select Emotion",
      "property":"topic",
      "propertyType":"msg",
      "rules":[
         {
            "t":"eq",
            "v":"Joy",
            "vt":"str"
         },
         {
            "t":"eq",
            "v":"Fear",
            "vt":"str"
         },
         {
            "t":"eq",
            "v":"Sadness",
            "vt":"str"
         },
         {
            "t":"eq",
            "v":"Anger",
            "vt":"str"
         },
         {
            "t":"eq",
            "v":"Disgust",
            "vt":"str"
         }
      ],
      "checkall":"true",
      "repair":false,
      "outputs":5,
      "x":180,
      "y":460,
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      "type":"change",
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      "name":"Fear",
      "rules":[
         {
            "t":"set",
            "p":"payload",
            "pt":"msg",
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   {
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      "type":"template",
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      "name":"Score tweet",
      "field":"payload",
      "fieldType":"msg",
      "format":"handlebars",
      "syntax":"mustache",
      "template":"This tweet expresses {{topic}} - {{tweet.text}}",
      "output":"str",
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      "y":440,
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      "action":"translate",
      "basemodel":"en-tr",
      "domain":"general",
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      "destlang":"es",
      "password":"[e-mail]",
      "apikey":"PF2WfTPM5NuU0ab5DcMJa7t6wqRP3UXu2hlhoFOnFryv",
      "custom":"",
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      "filetype":"forcedglossary",
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      "id":"77693eef.07ad08",
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