feat: Implement MFA authentication, add ride statistics model, and update various services, APIs, and tests across the application.

backend/apps/accounts/services.py

@@ -12,7 +12,7 @@ Recent additions:
 
 import logging
 import re
-from typing import Any, Dict, Optional
+from typing import Any
 
 from django.conf import settings
 from django.contrib.auth import update_session_auth_hash
@@ -58,7 +58,7 @@ class AccountService:
         old_password: str,
         new_password: str,
         request: HttpRequest,
-    ) -> Dict[str, Any]:
+    ) -> dict[str, Any]:
         """
         Change user password with validation and notification.
 
@@ -146,7 +146,7 @@ class AccountService:
         user: User,
         new_email: str,
         request: HttpRequest,
-    ) -> Dict[str, Any]:
+    ) -> dict[str, Any]:
         """
         Initiate email change with verification.
 
@@ -234,7 +234,7 @@ class AccountService:
             logger.error(f"Failed to send email verification: {e}")
 
     @staticmethod
-    def verify_email_change(*, token: str) -> Dict[str, Any]:
+    def verify_email_change(*, token: str) -> dict[str, Any]:
         """
         Verify email change token and update user email.
 
@@ -375,35 +375,35 @@ class UserDeletionService:
         # Transfer all submissions to deleted user
         # Reviews
         if hasattr(user, "park_reviews"):
-            getattr(user, "park_reviews").update(user=deleted_user)
+            user.park_reviews.update(user=deleted_user)
         if hasattr(user, "ride_reviews"):
-            getattr(user, "ride_reviews").update(user=deleted_user)
+            user.ride_reviews.update(user=deleted_user)
 
         # Photos
         if hasattr(user, "uploaded_park_photos"):
-            getattr(user, "uploaded_park_photos").update(uploaded_by=deleted_user)
+            user.uploaded_park_photos.update(uploaded_by=deleted_user)
         if hasattr(user, "uploaded_ride_photos"):
-            getattr(user, "uploaded_ride_photos").update(uploaded_by=deleted_user)
+            user.uploaded_ride_photos.update(uploaded_by=deleted_user)
 
         # Top Lists
         if hasattr(user, "top_lists"):
-            getattr(user, "top_lists").update(user=deleted_user)
+            user.top_lists.update(user=deleted_user)
 
         # Moderation submissions
         if hasattr(user, "edit_submissions"):
-            getattr(user, "edit_submissions").update(user=deleted_user)
+            user.edit_submissions.update(user=deleted_user)
         if hasattr(user, "photo_submissions"):
-            getattr(user, "photo_submissions").update(user=deleted_user)
+            user.photo_submissions.update(user=deleted_user)
 
         # Moderation actions - these can be set to NULL since they're not user content
         if hasattr(user, "moderated_park_reviews"):
-            getattr(user, "moderated_park_reviews").update(moderated_by=None)
+            user.moderated_park_reviews.update(moderated_by=None)
         if hasattr(user, "moderated_ride_reviews"):
-            getattr(user, "moderated_ride_reviews").update(moderated_by=None)
+            user.moderated_ride_reviews.update(moderated_by=None)
         if hasattr(user, "handled_submissions"):
-            getattr(user, "handled_submissions").update(handled_by=None)
+            user.handled_submissions.update(handled_by=None)
         if hasattr(user, "handled_photos"):
-            getattr(user, "handled_photos").update(handled_by=None)
+            user.handled_photos.update(handled_by=None)
 
         # Store user info for the summary
         user_info = {
@@ -426,7 +426,7 @@ class UserDeletionService:
         }
 
     @classmethod
-    def can_delete_user(cls, user: User) -> tuple[bool, Optional[str]]:
+    def can_delete_user(cls, user: User) -> tuple[bool, str | None]:
         """
         Check if a user can be safely deleted.