Listen for pass/fail events and broadcast progress

Author: Alan Shaw

nodebot-workshop.js

@@ -1,9 +1,8 @@
 #!/usr/bin/env node
 
-const workshopper = require('workshopper')
+const dgram       = require('dgram')
+    , workshopper = require('workshopper')
     , path        = require('path')
-    , menu        = require('./exercises/menu')
-
     , name        = 'nodebot-workshop'
     , title       = 'Nodebot Workshop'
     , subtitle    = '\x1b[23mSelect an exercise and hit \x1b[3mEnter\x1b[23m to begin'
@@ -12,13 +11,42 @@ function fpath (f) {
   return path.join(__dirname, f)
 }
 
-workshopper({
+var nodebot = workshopper({
     name        : name
   , title       : title
   , subtitle    : subtitle
   , exerciseDir : fpath('./exercises/')
   , appDir      : __dirname
   , helpFile    : fpath('help.txt')
   , menuItems   : []
-  , menu        : {fg: "black", bg: /^win/.test(process.platform) ? "yellow" : 220}
+  , menu        : {fg: 'black', bg: /^win/.test(process.platform) ? 'yellow' : 220}
+})
+
+function broadcastProgress (event, exercise, mode, msg) {
+  var sock = dgram.createSocket('udp4')
+    , packet = new Buffer(JSON.stringify({
+        workshop: title,
+        exercise: exercise.title,
+        mode: mode,
+        msg: msg,
+        event: event
+      }))
+    , port = process.env.PROGRESS_BROADCAST_PORT || 1337
+
+  sock.bind(port, '0.0.0.0', function (er) {
+    if (er) return;
+    sock.setBroadcast(true)
+
+    sock.send(packet, 0, packet.length, port, '255.255.255.255', function () {
+      sock.close()
+    })
+  })
+}
+
+nodebot.on('pass', function (exercise, mode) {
+  broadcastProgress('pass', exercise, mode)
+})
+
+nodebot.on('fail', function (exercise, mode) {
+  broadcastProgress('fail', exercise, mode)
 })