Add User model.

lib/link_shortener_web/controllers/api/v1/user_controller.ex

@@ -0,0 +1,43 @@
+defmodule LinkShortenerWeb.Api.V1.UserController do
+  use LinkShortenerWeb, :controller
+
+  alias LinkShortener.Accounts
+  alias LinkShortener.Accounts.User
+
+  action_fallback LinkShortenerWeb.FallbackController
+
+  def index(conn, _params) do
+    users = Accounts.list_users()
+    render(conn, "index.json", users: users)
+  end
+
+  def create(conn, %{"user" => user_params}) do
+    with {:ok, %User{} = user} <- Accounts.create_user(user_params) do
+      conn
+      |> put_status(:created)
+      |> put_resp_header("location", Routes.v1_user_path(conn, :show, user))
+      |> render("show.json", user: user)
+    end
+  end
+
+  def show(conn, %{"id" => id}) do
+    user = Accounts.get_user!(id)
+    render(conn, "show.json", user: user)
+  end
+
+  def update(conn, %{"id" => id, "user" => user_params}) do
+    user = Accounts.get_user!(id)
+
+    with {:ok, %User{} = user} <- Accounts.update_user(user, user_params) do
+      render(conn, "show.json", user: user)
+    end
+  end
+
+  def delete(conn, %{"id" => id}) do
+    user = Accounts.get_user!(id)
+
+    with {:ok, %User{}} <- Accounts.delete_user(user) do
+      send_resp(conn, :no_content, "")
+    end
+  end
+end