Configuring main file in express.io app to share routes between socket.io and HTTP requests for an API that's accessible via websockets and HTTP

server.coffee

fs              = require 'fs'
express         = require 'express.io'
path            = require 'path'

#If we didn't get to server.js from bootstrap.js
if !GLOBAL.asset_hash?
  GLOBAL.asset_hash = 'main'

#Read dotCloud ENV file if exists
try
  GLOBAL.env = JSON.parse(fs.readFileSync('/home/dotcloud/environment.json', 'utf-8'))
catch error
  GLOBAL.env = false

GLOBAL.apiSubDir = '/api'

#redis clients
pub   = require('./config/redis').createClient()
sub   = require('./config/redis').createClient()
store = require('./config/redis').createClient()
redisStore = require('./config/redis').createStore()

app = express().http().io()
GLOBAL.app = app

app.io.set 'store',
  new express.io.RedisStore
    redis: require 'redis'
    redisPub: pub
    redisSub: sub
    redisClient: store

#app.io.enable('browser client etag')
app.io.set('log level', 3)
app.io.set('transports', [
# 'websocket'
# 'flashsocket'
  'htmlfile'
  'xhr-polling'
  'jsonp-polling'
])

app.configure () ->
  #TODO store sessions in redis-store rather than memory
  app.use express.compress()
  app.disable 'x-powered-by'
  app.set 'port', process.env.PORT || 8080
  app.set 'views', __dirname + '/views'
  app.set 'view engine', 'ejs'

  #TODO
  #app.use express.favicon()
  app.use express.logger 'dev'
  app.use express.bodyParser()
  app.use express.methodOverride()

  app.use express.cookieParser()
  app.use express.session
    secret: '###'
    store:  redisStore


  #Standard Requests
  app.use (req, res, next) ->
    res.jsonAPIRespond = (json) ->
      res.json json
    app.router(req, res, next)


  #API Requests
  app.io.route 'apiRequest', (req) ->
    httpEmulatedRequest =
      method:   if req.data.method then req.data.method else 'get'
      url:      if req.data.url    then req.data.url    else '/api/'
      headers:  []
    response =
      jsonAPIRespond: (json) ->
        req.io.respond json
    app.router httpEmulatedRequest, response, () ->


  app.configure 'production', () ->
    maxAge = 31536000000
    app.use express.static path.join(__dirname, '../client'), { maxAge: maxAge }

  app.configure 'development', () ->
    maxAge = 0 #Disable caching in development
    app.use express.static path.join(__dirname, '../client'), { maxAge: maxAge }
    app.use express.errorHandler()