Refactor the Links module.

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

@@ -1,13 +1,13 @@
 defmodule LinkShortenerWeb.Api.V1.LinkController do
   use LinkShortenerWeb, :controller
 
-  alias LinkShortener.Links.Links
+  alias LinkShortener.Links
   alias LinkShortener.Links.Link
 
   action_fallback LinkShortenerWeb.FallbackController
 
   def index(conn, _params) do
-    links = Links.get_all({})
+    links = Links.get_all()
     render(conn, "index.json", links: links)
   end
 
@@ -21,12 +21,12 @@ defmodule LinkShortenerWeb.Api.V1.LinkController do
   end
 
   def show(conn, %{"id" => id}) do
-    link = Links.get_one(id)
+    link = Links.get_one!(id)
     render(conn, "show.json", link: link)
   end
 
   def update(conn, %{"id" => id, "link" => link_params}) do
-    link = Links.get_one(id)
+    link = Links.get_one!(id)
 
     with {:ok, %Link{} = link} <- Links.update_one(link, link_params) do
       render(conn, "show.json", link: link)
@@ -34,7 +34,7 @@ defmodule LinkShortenerWeb.Api.V1.LinkController do
   end
 
   def delete(conn, %{"id" => id}) do
-    link = Links.get_one(id)
+    link = Links.get_one!(id)
 
     with {:ok, %Link{}} <- Links.delete_one(link) do
       send_resp(conn, :no_content, "")