0_server.coffee

app.get '/view', requireUser, (req, res, next) ->
  user = req.session.user
  User.find user.uid, (err, obj) =>
    return next(err) if err?
    if obj?
      obj.getFriends user, (err, friends) =>
        return next(err) if err?
        async.map friends, (item, cb) =>
          User.find item, cb
        , (err, friendsTags) =>
          next(err) if err?
          friendsTags = (friend.attrs for friend in friendsTags when friend?)
          res.render 'view'
            user: obj.attrs
            friends: _(friendsTags).sortBy (u) -> u.name.toLowerCase()
    else
      res.redirect '/edit'

1_server-iced.coffee

app.get '/view', requireUser, (req, res, next) ->
  user = req.session.user
  await User.find user.uid, defer(err, obj)
  return next(err) if err?
  if obj?
    await obj.getFriends user, defer(err, friends)
    return next(err) if err?
    friendsTags = []
    await
      for item, i in friends
        User.find item, defer(err, friendsTags[i])
    friendsTags = (friend.attrs for friend in friendsTags when friend?)
    res.render 'view'
      user: obj.attrs
      friends: _(friendsTags).sortBy (u) -> u.name.toLowerCase()
  else
    res.redirect '/edit'