mitgliederverwaltung/lib/mv_web/live_helpers.ex
Moritz 75ab046be4
refactor: extract ensure_user_role_loaded into shared on_mount hook
Move duplicate ensure_user_role_loaded logic into MvWeb.LiveHelpers
on_mount hook to eliminate code duplication across RoleLive modules
and centralize security-related user role loading.
2026-01-08 16:20:25 +01:00

53 lines
1.3 KiB
Elixir

defmodule MvWeb.LiveHelpers do
@moduledoc """
Shared LiveView lifecycle hooks and helper functions.
## on_mount Hooks
- `:default` - Sets the user's locale from session (defaults to "de")
- `:ensure_user_role_loaded` - Ensures current_user has role relationship loaded
## Usage
Add to LiveView modules via:
```elixir
on_mount {MvWeb.LiveHelpers, :default}
on_mount {MvWeb.LiveHelpers, :ensure_user_role_loaded}
```
"""
import Phoenix.Component
def on_mount(:default, _params, session, socket) do
locale = session["locale"] || "de"
Gettext.put_locale(locale)
{:cont, socket}
end
def on_mount(:ensure_user_role_loaded, _params, _session, socket) do
socket = ensure_user_role_loaded(socket)
{:cont, socket}
end
defp ensure_user_role_loaded(socket) do
if socket.assigns[:current_user] do
user = socket.assigns.current_user
user_with_role = load_user_role(user)
assign(socket, :current_user, user_with_role)
else
socket
end
end
defp load_user_role(user) do
case Map.get(user, :role) do
%Ash.NotLoaded{} -> load_role_safely(user)
nil -> load_role_safely(user)
_role -> user
end
end
defp load_role_safely(user) do
case Ash.load(user, :role, domain: Mv.Accounts) do
{:ok, loaded_user} -> loaded_user
{:error, _} -> user
end
end
end