gistfile1.coffee

app.get '/', (req, res) ->
  if req.session.user_id
    User.findById req.session.user_id, (err, user) ->
      res.render 'dashboard.ejs', {user: user}
  else if session_user = req.session.user
    if twitter = session_user.twitter
      User.findOne {twitter: twitter.id}, (err, user) ->
        unless user
          user = new User({realname: twitter.name, nickname: twitter.screen_name, twitter: twitter.id})
          user.save()
        req.session.user_id = user.id
        res.render 'dashboard.ejs', {user: user}
    else if facebook = session_user.facebook
      User.findOne {facebook: parseInt(facebook.id)}, (err, user) ->
        unless user
          user = new User({nickname: facebook.username, realname: facebook.name, facebook: parseInt(facebook.id)})
          user.save()
        req.session.user_id = user.id
        res.render 'dashboard.ejs', {user: user}
  else
    res.render 'login.ejs'