Defining routes

In the previous recipe, we created our first Phoenix application. In this recipe, we will add some routes to the phoenix to-do application.

By adding routes, we define the behavior of the application whenever a given URL/endpoint is accessed. The Router task is used to parse the requests and then dispatch them to the current controller's action, passing any existing parameters to it.

Getting ready

Open the file generated in the previous recipe in your code editor. A copy of the full code for this recipe can be found at Code/Chapter 7/phoenix_routes/todo/web/router.ex:

defmodule Todo.Router do
  use Phoenix.Router

  pipeline :browser do
    plug :accepts, ~w(html)
    plug :fetch_session
    plug :fetch_flash
    plug :protect_from_forgery
  end

  pipeline :api do
    plug :accepts, ~w(json)
  end

  scope "/", Todo do
    pipe_through :browser # Use the default browser stack

    get "/", PageController, :index

    get "/text", MyController, :plaintext
    get "/generated...