Created
October 22, 2014 00:53
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A first attempt at a usable user controller setup in Phoenix
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defmodule CloseBy.ApplicationController do | |
defmacro __using__(_opts) do | |
quote do | |
use Phoenix.Controller | |
import CloseBy.ApplicationController | |
alias CloseBy.Router | |
end | |
end | |
end |
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defmodule CloseBy.UserController do | |
use CloseBy.ApplicationController | |
plug :action | |
def call(conn, opts) do | |
conn = Phoenix.Plugs.ContentTypeFetcher.fetch(conn) | |
try do | |
super(conn, opts) | |
rescue | |
Ecto.NotSingleResult -> conn |> put_status(404) |> render("show", errors: %{message: "Not Found"}) | |
end | |
end | |
def new(conn, params) do | |
user_params = params["user"] || %{} | |
user = %User{ email: user_params["email"] } | |
render conn, "new", user: user | |
end | |
def edit(conn, params) do | |
user = fetch_user(params["id"]) | |
render conn, "show", user: user | |
end | |
def create(conn, params) do | |
user_params = params["user"] || %{} | |
user = %User{ email: user_params["email"] } | |
|> User.set_password(user_params["password"], user_params["confirm_password"]) | |
case User.validate(user) do | |
[] -> | |
user = CloseBy.Repo.insert(user) | |
redirect conn, CloseBy.Router.Helpers.users_path(:show, user.id) | |
errors -> | |
conn |> put_status(422) |> render "new", user: user, errors: errors | |
end | |
end | |
def index(conn, _params) do | |
users = User.Query.all | |
render conn, "index", users: users | |
end | |
def show(conn, %{"id" => the_id }) do | |
user = fetch_user(the_id) | |
render conn, "show", user: user | |
end | |
defp fetch_user(the_id) do | |
{ id, _ } = Integer.parse(the_id) | |
CloseBy.Repo.get! User, id | |
end | |
end |
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defmodule User.Query do | |
import Ecto.Query | |
def all do | |
query = from user in User, | |
select: user | |
CloseBy.Repo.all(query) | |
end | |
end |
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defmodule Serializers.User do | |
def basic(user) do | |
Map.take(user, [:email, :id]) | |
end | |
end |
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defmodule CloseBy.UserView do | |
use CloseBy.Views | |
use Jazz | |
def render("index.json", %{users: users}) do | |
JSON.encode! users |> Enum.map &Serializers.User.basic(&1) | |
end | |
def render("show.json", %{conn: conn, errors: errors}), do: JSON.encode!(errors) | |
def render("show.json", %{user: user}), do: JSON.encode!(Serializers.User.basic(user)) | |
end |
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