gistfile1.coffee

# Retrieves the root pages and their children (level 0 and level 1)
exports.getPages = (req, res) ->
    getChildren = (page, callback) ->
        models.Page.find({ parent_id: page._id }).sort({ name: 'asc' }).exec (err, children) ->
            page.children = children || []
            callback(null, page)

    models.Page.find({ parent_id: null }).sort({ name: 'asc' }).exec (err, pages) ->

        async.map pages, getChildren, (err, results) ->
            res.json results