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

backend/apps/moderation/selectors.py

@@ -3,18 +3,19 @@ Selectors for moderation-related data retrieval.
 Following Django styleguide pattern for separating data access from business logic.
 """
 
-from typing import Optional, Dict, Any
-from django.db.models import QuerySet, Count, F, ExpressionWrapper, FloatField
+from datetime import timedelta
+from typing import Any
+
+from django.contrib.auth.models import User
+from django.db.models import Count, ExpressionWrapper, F, FloatField, QuerySet
 from django.db.models.functions import Extract
 from django.utils import timezone
-from datetime import timedelta
-from django.contrib.auth.models import User
 
 from .models import EditSubmission
 
 
 def pending_submissions_for_review(
-    *, content_type: Optional[str] = None, limit: int = 50
+    *, content_type: str | None = None, limit: int = 50
 ) -> QuerySet[EditSubmission]:
     """
     Get pending submissions that need moderation review.
@@ -39,7 +40,7 @@ def pending_submissions_for_review(
 
 
 def submissions_by_user(
-    *, user_id: int, status: Optional[str] = None
+    *, user_id: int, status: str | None = None
 ) -> QuerySet[EditSubmission]:
     """
     Get submissions created by a specific user.
@@ -105,7 +106,7 @@ def recent_submissions(*, days: int = 7) -> QuerySet[EditSubmission]:
 
 
 def submissions_by_content_type(
-    *, content_type: str, status: Optional[str] = None
+    *, content_type: str, status: str | None = None
 ) -> QuerySet[EditSubmission]:
     """
     Get submissions for a specific content type.
@@ -127,7 +128,7 @@ def submissions_by_content_type(
     return queryset.order_by("-created_at")
 
 
-def moderation_queue_summary() -> Dict[str, Any]:
+def moderation_queue_summary() -> dict[str, Any]:
     """
     Get summary statistics for the moderation queue.
 
@@ -159,8 +160,8 @@ def moderation_queue_summary() -> Dict[str, Any]:
 
 
 def moderation_statistics_summary(
-    *, days: int = 30, moderator: Optional[User] = None
-) -> Dict[str, Any]:
+    *, days: int = 30, moderator: User | None = None
+) -> dict[str, Any]:
     """
     Get comprehensive moderation statistics for a time period.
 
@@ -175,10 +176,7 @@ def moderation_statistics_summary(
 
     base_queryset = EditSubmission.objects.filter(created_at__gte=cutoff_date)
 
-    if moderator:
-        handled_queryset = base_queryset.filter(handled_by=moderator)
-    else:
-        handled_queryset = base_queryset
+    handled_queryset = base_queryset.filter(handled_by=moderator) if moderator else base_queryset
 
     total_submissions = base_queryset.count()
     pending_submissions = base_queryset.filter(status="PENDING").count()
@@ -258,7 +256,7 @@ def top_contributors(*, days: int = 30, limit: int = 10) -> QuerySet[User]:
     )
 
 
-def moderator_workload_summary(*, days: int = 30) -> Dict[str, Any]:
+def moderator_workload_summary(*, days: int = 30) -> dict[str, Any]:
     """
     Get workload distribution among moderators.