Refactor comments app to use mixins for comment functionality; update admin interfaces and add historical model fixes

history_tracking/models.py

@@ -1,10 +1,13 @@
 from django.db import models
+from django.conf import settings
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
+from django.db.models.fields.related import RelatedField
 from django.contrib.auth import get_user_model
 from simple_history.models import HistoricalRecords
 from .mixins import HistoricalChangeMixin
-from typing import Any, Type, TypeVar, cast, Optional
+from .historical_fields import HistoricalFieldsMixin
+from typing import Any, Type, TypeVar, cast, Optional, List
 from django.db.models import QuerySet
 from django.core.exceptions import ValidationError
 from django.utils import timezone
@@ -13,13 +16,28 @@ T = TypeVar('T', bound=models.Model)
 
 User = get_user_model()
 
-class HistoricalModel(models.Model):
+class HistoricalModel(models.Model, HistoricalFieldsMixin):
     """Abstract base class for models with history tracking"""
     id = models.BigAutoField(primary_key=True)
-    history: HistoricalRecords = HistoricalRecords(
+    
+    @classmethod
+    def __init_subclass__(cls, **kwargs):
+        """Initialize subclass with proper configuration."""
+        super().__init_subclass__(**kwargs)
+        # Mark historical models
+        if cls.__name__.startswith('Historical'):
+            cls._is_historical_model = True
+            # Remove any inherited generic relations
+            for field in list(cls._meta.private_fields):
+                if isinstance(field, GenericRelation):
+                    cls._meta.private_fields.remove(field)
+        else:
+            cls._is_historical_model = False
+    history = HistoricalRecords(
         inherit=True,
-        bases=(HistoricalChangeMixin,),
-        excluded_fields=['comments', 'photos', 'reviews']  # Exclude all generic relations
+        bases=[HistoricalChangeMixin],
+        excluded_fields=['comments', 'comment_threads', 'photos', 'reviews'],
+        use_base_model_db=True  # Use base model's db
     )
 
     class Meta: