Add changecolorintent

sample-functions/ChangeColorIntent/handler.js

@@ -0,0 +1,40 @@
+"use strict"
+let fs = require('fs');
+let sample = require("./sample.json");
+let SendColor = require('./sendColor');
+let sendColor = new SendColor("alexellis.io/tree1")
+
+var content = '';
+process.stdin.resume();
+process.stdin.on('data', function(buf) { content += buf.toString(); });
+process.stdin.on('end', function() {
+  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 = "Christmas Lights";
+  console.log(JSON.stringify(sample));
+  process.exit(0);
+}
+
+function handle(request,intent) {
+  let colorRequested = intent.slots.LedColor.value;
+  let req = {r:0,g:0,b:0};
+  if(colorRequested == "red") { 
+    req.r = 255;
+  } else if(colorRequested== "blue") {
+      req.b = 255;
+  } else if (colorRequested == "green") {
+      req.g = 255;
+  }
+  else {
+      tellWithCard("I heard "+colorRequested+ " but can only do: red, green, blue.", "I heard "+colorRequested+ " but can only do: red, green, blue.");
+  }
+  var speechOutput = "OK, "+colorRequested+".";
+  sendColor.sendColor(req, () => {
+    tellWithCard(speechOutput);
+  });
+}