Jazzity Rails + Backbone.js + Coffeescript Example

scale.rb

class Scale < ActiveRecord::Base
  include KeyContext
  
  has_many :tones, :class_name => 'ScaleTone', :extend => ToneSequence, :dependent => :destroy

  delegate :notes, :to => :tones
end

scales_controller.rb

class ScalesController < ApplicationController
  respond_to :html, :json

  def index
    @scales = Scale.active
    respond_with @scales
  end

  def show
    @scale = Scale.find(params[:id])
    respond_with @scale
  end
end

z_models.coffee

Jazzity.Scale = Backbone.Model.extend url: -> "/scales/" + this.id

major = new Jazzity.Scale id: "major"
major.fetch  # HTTP GET /scales/major.json

# major.attributes => 
# {
#   name: "The Major Scale",
#   notes: ["C", "D", "E", "F", "G", "A", "B"],
#   symmetric: false
# }