chore(AshAuthenticationPhoenix): added library and updated ressources testing password strategy

lib/mv_web/controllers/auth_controller.ex

@@ -0,0 +1,55 @@
+defmodule MvWeb.AuthController do
+  use MvWeb, :controller
+  use AshAuthentication.Phoenix.Controller
+
+  def success(conn, activity, user, _token) do
+    return_to = get_session(conn, :return_to) || ~p"/"
+
+    message =
+      case activity do
+        {:confirm_new_user, :confirm} -> "Your email address has now been confirmed"
+        {:password, :reset} -> "Your password has successfully been reset"
+        _ -> "You are now signed in"
+      end
+
+    conn
+    |> delete_session(:return_to)
+    |> store_in_session(user)
+    # If your resource has a different name, update the assign name here (i.e :current_admin)
+    |> assign(:current_user, user)
+    |> put_flash(:info, message)
+    |> redirect(to: return_to)
+  end
+
+  def failure(conn, activity, reason) do
+    message =
+      case {activity, reason} do
+        {_,
+         %AshAuthentication.Errors.AuthenticationFailed{
+           caused_by: %Ash.Error.Forbidden{
+             errors: [%AshAuthentication.Errors.CannotConfirmUnconfirmedUser{}]
+           }
+         }} ->
+          """
+          You have already signed in another way, but have not confirmed your account.
+          You can confirm your account using the link we sent to you, or by resetting your password.
+          """
+
+        _ ->
+          "Incorrect email or password"
+      end
+
+    conn
+    |> put_flash(:error, message)
+    |> redirect(to: ~p"/sign-in")
+  end
+
+  def sign_out(conn, _params) do
+    return_to = get_session(conn, :return_to) || ~p"/"
+
+    conn
+    |> clear_session()
+    |> put_flash(:info, "You are now signed out")
+    |> redirect(to: return_to)
+  end
+end