Refactor API structure and add comprehensive user management features

- Restructure API v1 with improved serializers organization
- Add user deletion requests and moderation queue system
- Implement bulk moderation operations and permissions
- Add user profile enhancements with display names and avatars
- Expand ride and park API endpoints with better filtering
- Add manufacturer API with detailed ride relationships
- Improve authentication flows and error handling
- Update frontend documentation and API specifications

backend/apps/moderation/selectors.py

@@ -27,14 +27,14 @@ def pending_submissions_for_review(
     """
     queryset = (
         EditSubmission.objects.filter(status="PENDING")
-        .select_related("submitted_by", "content_type")
+        .select_related("user", "content_type")
         .prefetch_related("content_object")
     )
 
     if content_type:
         queryset = queryset.filter(content_type__model=content_type.lower())
 
-    return queryset.order_by("submitted_at")[:limit]
+    return queryset.order_by("created_at")[:limit]
 
 
 def submissions_by_user(
@@ -50,14 +50,14 @@ def submissions_by_user(
     Returns:
         QuerySet of user's submissions
     """
-    queryset = EditSubmission.objects.filter(submitted_by_id=user_id).select_related(
+    queryset = EditSubmission.objects.filter(user_id=user_id).select_related(
         "content_type", "handled_by"
     )
 
     if status:
         queryset = queryset.filter(status=status)
 
-    return queryset.order_by("-submitted_at")
+    return queryset.order_by("-created_at")
 
 
 def submissions_handled_by_moderator(
@@ -79,7 +79,7 @@ def submissions_handled_by_moderator(
         EditSubmission.objects.filter(
             handled_by_id=moderator_id, handled_at__gte=cutoff_date
         )
-        .select_related("submitted_by", "content_type")
+        .select_related("user", "content_type")
         .order_by("-handled_at")
     )
 
@@ -97,9 +97,9 @@ def recent_submissions(*, days: int = 7) -> QuerySet[EditSubmission]:
     cutoff_date = timezone.now() - timedelta(days=days)
 
     return (
-        EditSubmission.objects.filter(submitted_at__gte=cutoff_date)
-        .select_related("submitted_by", "content_type", "handled_by")
-        .order_by("-submitted_at")
+        EditSubmission.objects.filter(created_at__gte=cutoff_date)
+        .select_related("user", "content_type", "handled_by")
+        .order_by("-created_at")
     )
 
 
@@ -118,12 +118,12 @@ def submissions_by_content_type(
     """
     queryset = EditSubmission.objects.filter(
         content_type__model=content_type.lower()
-    ).select_related("submitted_by", "handled_by")
+    ).select_related("user", "handled_by")
 
     if status:
         queryset = queryset.filter(status=status)
 
-    return queryset.order_by("-submitted_at")
+    return queryset.order_by("-created_at")
 
 
 def moderation_queue_summary() -> Dict[str, Any]:
@@ -172,7 +172,7 @@ def moderation_statistics_summary(
     """
     cutoff_date = timezone.now() - timedelta(days=days)
 
-    base_queryset = EditSubmission.objects.filter(submitted_at__gte=cutoff_date)
+    base_queryset = EditSubmission.objects.filter(created_at__gte=cutoff_date)
 
     if moderator:
         handled_queryset = base_queryset.filter(handled_by=moderator)
@@ -189,7 +189,7 @@ def moderation_statistics_summary(
         handled_queryset.exclude(handled_at__isnull=True)
         .extra(
             select={
-                "response_hours": "EXTRACT(EPOCH FROM (handled_at - submitted_at)) / 3600"
+                "response_hours": "EXTRACT(EPOCH FROM (handled_at - created_at)) / 3600"
             }
         )
         .values_list("response_hours", flat=True)
@@ -228,9 +228,9 @@ def submissions_needing_attention(*, hours: int = 24) -> QuerySet[EditSubmission
     cutoff_time = timezone.now() - timedelta(hours=hours)
 
     return (
-        EditSubmission.objects.filter(status="PENDING", submitted_at__lte=cutoff_time)
-        .select_related("submitted_by", "content_type")
-        .order_by("submitted_at")
+        EditSubmission.objects.filter(status="PENDING", created_at__lte=cutoff_time)
+        .select_related("user", "content_type")
+        .order_by("created_at")
     )
 
 
@@ -248,7 +248,7 @@ def top_contributors(*, days: int = 30, limit: int = 10) -> QuerySet[User]:
     cutoff_date = timezone.now() - timedelta(days=days)
 
     return (
-        User.objects.filter(edit_submissions__submitted_at__gte=cutoff_date)
+        User.objects.filter(edit_submissions__created_at__gte=cutoff_date)
         .annotate(submission_count=Count("edit_submissions"))
         .filter(submission_count__gt=0)
         .order_by("-submission_count")[:limit]