WIP feat: member user relation

lib/accounts/user/member_creation_notifier.ex

@@ -0,0 +1,71 @@
+defmodule Mv.Accounts.User.MemberCreationNotifier do
+  @moduledoc """
+  Notifier that automatically creates a member for newly registered users.
+
+  This runs after user creation/registration and ensures every user has an associated member.
+  It's designed to work with AshAuthentication without interfering with LiveView integration.
+  """
+  use Ash.Notifier
+
+  require Logger
+
+  @impl Ash.Notifier
+  def notify(%Ash.Notifier.Notification{
+        action: %{name: action_name},
+        resource: Mv.Accounts.User,
+        data: user
+      })
+      when action_name in [:register_with_password, :register_with_rauthy, :create_user] do
+    # Only create member if user doesn't already have one
+    if should_create_member?(user) do
+      create_member_for_user(user)
+    end
+
+    :ok
+  end
+
+  @impl Ash.Notifier
+  def notify(_), do: :ok
+
+  defp should_create_member?(user) do
+    # Check if user has a member_id and if that member actually exists
+    case user.member_id do
+      nil ->
+        true
+
+      member_id ->
+        case Ash.get(Mv.Membership.Member, member_id, domain: Mv.Membership) do
+          {:ok, _member} -> false
+          {:error, _} -> true
+        end
+    end
+  end
+
+  defp create_member_for_user(user) do
+    member_params = %{
+      email: to_string(user.email),
+      first_name: "User",
+      last_name: "Generated"
+    }
+
+    case Mv.Membership.create_member(member_params) do
+      {:ok, member} ->
+        # Update user with member_id
+        case Ash.Changeset.for_update(user, :update_user, %{member_id: member.id})
+             |> Ash.update(domain: Mv.Accounts) do
+          {:ok, _updated_user} ->
+            Logger.info(
+              "Successfully created and assigned member #{member.id} to user #{user.id}"
+            )
+
+          {:error, error} ->
+            Logger.warning(
+              "Failed to assign member #{member.id} to user #{user.id}: #{inspect(error)}"
+            )
+        end
+
+      {:error, error} ->
+        Logger.warning("Failed to create member for user #{user.id}: #{inspect(error)}")
+    end
+  end
+end