Programming Phoenix 1.4

Showing a User

Now that we’ve created the code to show a list of users, we can work on showing a single user. To refresh your memory, let’s look at the route we created earlier:

get "/users/:id", UserController, :show

That’s easy enough. On a request to /users/:id, where :id is part of the inbound URL, the router will add at least two things we’ll need to conn, including the :id that’s part of the URL, and the action name, :show. Then, the router will call the plugs in our pipeline, and then the UserController. To show a single user using this request, we need a controller action, which we add to lib/rumbl_web/controllers/user_controller.ex:

controllers_views_templates/listings/rumbl/lib/rumbl_web/controllers/user_controller.change1.ex ...