nulla/lib/nulla_web/controllers/fallback_controller.ex
2025-07-04 10:25:40 +02:00

24 lines
770 B
Elixir

defmodule NullaWeb.FallbackController do
@moduledoc """
Translates controller action results into valid `Plug.Conn` responses.
See `Phoenix.Controller.action_fallback/1` for more details.
"""
use NullaWeb, :controller
# This clause handles errors returned by Ecto's insert/update/delete.
def call(conn, {:error, %Ecto.Changeset{} = changeset}) do
conn
|> put_status(:unprocessable_entity)
|> put_view(json: NullaWeb.ChangesetJSON)
|> render(:error, changeset: changeset)
end
# This clause is an example of how to handle resources that cannot be found.
def call(conn, {:error, :not_found}) do
conn
|> put_status(:not_found)
|> put_view(html: NullaWeb.ErrorHTML, json: NullaWeb.ErrorJSON)
|> render(:"404")
end
end