Add Captains counter intent for Alexa

sample-functions/CaptainsIntent/handler.js

@@ -0,0 +1,48 @@
+"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);
+  });
+};