Moritz
e3cd400899
Use self as actor when loading user role relationship to ensure proper authorization and policy enforcement.
56 lines
1.4 KiB
Elixir
56 lines
1.4 KiB
Elixir
defmodule MvWeb.LiveHelpers do
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@moduledoc """
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Shared LiveView lifecycle hooks and helper functions.
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## on_mount Hooks
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- `:default` - Sets the user's locale from session (defaults to "de")
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- `:ensure_user_role_loaded` - Ensures current_user has role relationship loaded
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## Usage
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Add to LiveView modules via:
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```elixir
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on_mount {MvWeb.LiveHelpers, :default}
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on_mount {MvWeb.LiveHelpers, :ensure_user_role_loaded}
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```
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"""
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import Phoenix.Component
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def on_mount(:default, _params, session, socket) do
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locale = session["locale"] || "de"
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Gettext.put_locale(locale)
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{:cont, socket}
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end
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def on_mount(:ensure_user_role_loaded, _params, _session, socket) do
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socket = ensure_user_role_loaded(socket)
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{:cont, socket}
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end
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defp ensure_user_role_loaded(socket) do
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if socket.assigns[:current_user] do
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user = socket.assigns.current_user
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user_with_role = load_user_role(user)
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assign(socket, :current_user, user_with_role)
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else
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socket
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end
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end
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defp load_user_role(user) do
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case Map.get(user, :role) do
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%Ash.NotLoaded{} -> load_role_safely(user)
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nil -> load_role_safely(user)
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_role -> user
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end
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end
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defp load_role_safely(user) do
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# Use self as actor for loading own role relationship
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opts = [domain: Mv.Accounts, actor: user]
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case Ash.load(user, :role, opts) do
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{:ok, loaded_user} -> loaded_user
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{:error, _} -> user
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end
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end
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end
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