Phoenix for ember.js channel integration

gistfile1.ex

# room_channel.ex

defmodule Stadium.RoomChannel do
  use Phoenix.Channel

  def join(socket, "lobby", _) do
    reply socket, "joined", "you joined"
    {:ok, socket}
  end

  def join(socket, _no, _message) do
    {:error, socket, :unauthorized}
  end

  def event(socket, "ping", message) do
    reply socket, "pong", "Echo: " <> message
    socket
  end

  def event(socket, "word_list", _) do
    {_, words} = JSON.encode(["dog", "cat", "pig", "cow"])
    reply socket, "words", words
    socket
  end

end

# router

defmodule Stadium.Router do
  use Phoenix.Router
  use Phoenix.Router.Socket, mount: "/ws"

  plug Plug.Static, at: "/static", from: :stadium
  get "/", Stadium.PageController, :index, as: :page

  channel "rooms", Stadium.RoomChannel
end

# add JSON support via mix.exs

defmodule Stadium.Mixfile do
  use Mix.Project

  def project do
    [ app: :stadium,
      version: "0.0.1",
      elixir: "~> 0.15.0",
      elixirc_paths: ["lib", "web"],
      deps: deps ]
  end

  # Configuration for the OTP application
  def application do
    [
      mod: { Stadium, [] },
      applications: [:phoenix, :cowboy]
    ]
  end

  # Returns the list of dependencies in the format:
  # { :foobar, git: "https://github.com/elixir-lang/foobar.git", tag: "0.1" }
  #
  # To specify particular versions, regardless of the tag, do:
  # { :barbat, "~> 0.1", github: "elixir-lang/barbat" }
  defp deps do
    [
      {:phoenix, github: "phoenixframework/phoenix"},
      {:cowboy, "~> 1.0.0"},
      {:json,   "~> 0.3.0"}
    ]
  end
end