Added twillio code

Twillio/call-management.js

@@ -0,0 +1,58 @@
+const moment = require('moment-timezone');
+
+function isServiceOpen() {
+  let now = moment().tz('Australia/Brisbane');
+  let isWorkday = now.isoWeekday() < 6;
+  let isWorkingHour = now.hour() > 7 && now.hour() < 17;
+
+  return isWorkday && isWorkingHour;
+}
+
+exports.handler = function(context, event, callback) {
+  const twiml = new Twilio.twiml.VoiceResponse();
+
+  console.log(event);
+
+  const callIncludesRecording = !!event.RecordingUrl;
+  const callWasAnswered = event.DialCallStatus === 'completed';
+  const callWasNotAnswered = event.DialCallStatus === 'no-answer';
+  const serviceIsOpen = isServiceOpen();
+
+  if (callWasAnswered) {
+    twiml.hangup();
+  } else if (callIncludesRecording) {
+    console.log('Call includes recording!');
+
+    // do something with the recording URL here
+    console.log(event.RecordingUrl);
+
+    twiml.say("Thank you! We'll come back to you shortly.");
+    twiml.hangup();
+  } else if (callWasNotAnswered) {
+    console.log('Call was not answered...');
+
+    twiml.say(
+      'Unfortunately no one can answer right now. But you can leave a message.'
+    );
+    twiml.record({
+      action: '/handle-call'
+    });
+  } else if (!serviceIsOpen) {
+    console.log('Service is closed...');
+    twiml.say('Service is closed but you can leave a message');
+    twiml.record({
+      action: '/handle-call'
+    });
+  } else {
+    twiml.dial(
+      {
+        action: '/handle-call',
+        method: 'POST',
+        timeout: 5
+      },
+      '+4915...'
+    );
+  }
+
+  callback(null, twiml);
+};