Add Captains counter intent for Alexa

sample-functions/CaptainsIntent/.ash_history

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+apk add nodejs curl --update
+time cat request.json | node handler.js -
+cd /root
+time cat request.json | node handler.js -
+time (cat request.json | node handler.js -)
+time (cat request.json | node handler.js )
+cat > run.sh
+chmod +x run.sh 
+.r/
+./r
+./run.sh 
+time ./run.sh 

sample-functions/CaptainsIntent/Dockerfile

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+FROM alpine:latest
+RUN apk --update add nodejs
+COPY ./fwatchdog /usr/bin/
+
+COPY package.json   .
+COPY handler.js     .
+COPY parser.js   .
+COPY sample.json    .
+
+RUN npm i
+ENV fprocess="node handler.js"
+CMD ["fwatchdog"]

sample-functions/CaptainsIntent/handler.js

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+"use strict"
+let fs = require('fs');
+let sample = require("./sample.json");
+let cheerio = require('cheerio');
+let Parser = require('./parser');
+var request = require("request");
+
+const getStdin = require('get-stdin');
+ 
+getStdin().then(content => {
+  let request = JSON.parse(content);
+  handle(request, request.request.intent);
+});
+
+function tellWithCard(speechOutput) {
+  sample.response.outputSpeech.text = speechOutput
+  sample.response.card.content = speechOutput
+  sample.response.card.title = "Captains";
+  console.log(JSON.stringify(sample));
+  process.exit(0);
+}
+
+function handle(request, intent) {
+    createList((sorted) => {
+        let speechOutput = "There are currently " + sorted.length + " Docker captains.";
+        tellWithCard(speechOutput);
+    });
+}
+
+let createList = (next) => {
+  let parser = new Parser(cheerio);
+
+  request.get("https://www.docker.com/community/docker-captains", (err, res, text) => {
+      let captains = parser.parse(text);
+
+      let valid = 0;
+      let sorted = captains.sort((x,y) => {
+      if(x.text > y.text) {
+          return 1;
+      }
+      else if(x.text < y.text) {
+          return -1;
+      }
+      return 0;
+      });
+      next(sorted);
+  });
+};

sample-functions/CaptainsIntent/oneshot.txt

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+docker build -t captainsintent . ; docker service rm CaptainsIntent ; docker service create --network=functions --name CaptainsIntent captainsintent

sample-functions/CaptainsIntent/package.json

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+{
+  "name": "CaptainsIntent",
+  "version": "1.0.0",
+  "description": "",
+  "main": "handler.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "cheerio": "^0.22.0",
+    "get-stdin": "^5.0.1",
+    "request": "^2.79.0"
+  }
+}

sample-functions/CaptainsIntent/parser.js

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+"use strict"
+
+
+module.exports = class Parser {
+
+  constructor(cheerio) {
+    this.modules = {"cheerio": cheerio };
+  }
+
+  sanitize(handle) {
+    let text = handle.toLowerCase();
+    if(text[0]== "@") {
+      text = text.substring(1);
+    }
+    if(handle.indexOf("twitter.com") > -1) {
+      text = text.substring(text.lastIndexOf("\/")+1)
+    }
+    return {text: text, valid: text.indexOf("http") == -1};
+  }
+
+  parse(text) {
+    let $ = this.modules.cheerio.load(text);
+    
+    let people = $("#captians .twitter_link a");
+    let handles = [];
+    people.each((i, person) => {
+      let handle = person.attribs.href;
+      handles.push(this.sanitize(handle));
+    });
+    return handles;
+  }
+};

sample-functions/CaptainsIntent/request.json

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+{
+  "session": {
+    "sessionId": "SessionId.8b812aa4-765a-47b6-9949-b203e63c5480",
+    "application": {
+      "applicationId": "amzn1.ask.skill.72fb1025-aacc-4d05-a582-21344940c023"
+    },
+    "attributes": {},
+    "user": {
+      "userId": "amzn1.ask.account.AETXYOXCBUOCTUZE7WA2ZPZNDUMJRRZQNJ2H6NLQDVTMYXBX7JG2RA7C6PFLIM4PXVD7LIDGERLI6AJVK34KNWELGEOM33GRULMDO6XJRR77HALOUJR2YQS34UG27YCPOUGANQJDT4HMRFOWN4Z5E4VVTQ6Z5FIM6TYWFHQ2ZU6HQ47TBUMNGTQFTBIONEGELUCIEUXISRSEKOI"
+    },
+    "new": true
+  },
+  "request": {
+    "type": "IntentRequest",
+    "requestId": "EdwRequestId.cabcff07-8aaa-4fe6-aca0-94440051fc89",
+    "locale": "en-GB",
+    "timestamp": "2016-12-30T19:57:45Z",
+    "intent": {
+      "name": "CaptainsIntent",
+      "slots": {}
+    }
+  },
+  "version": "1.0"
+}

sample-functions/CaptainsIntent/run.sh

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+#!/bin/sh
+cat request.json | node handler.js -

sample-functions/CaptainsIntent/sample.json

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+{
+  "version": "1.0",
+  "response": {
+    "outputSpeech": {
+      "type": "PlainText",
+      "text": "There's currently 6 people in space"
+    },
+    "card": {
+      "content": "There's currently 6 people in space",
+      "title": "People in space",
+      "type": "Simple"
+    },
+    "shouldEndSession": true
+  },
+  "sessionAttributes": {}
+}