Add history + more components

k356/app/utils/models.py

@@ -1,6 +1,9 @@
 from django.contrib.auth import get_user_model
+from django.contrib.postgres.expressions import ArraySubquery
 from django.db import models
+from django.db.models import OuterRef
 from django.db.models.fields.related import RelatedField
+from django.db.models.functions import JSONObject
 
 
 from app.utils.helpers import recursive_getattr
@@ -78,7 +81,23 @@ class BaseQuerySet(models.QuerySet):
         for field_name, _ in self.headers().items():
             fields.append(field_name)
 
-        return self.values(*fields)
+        if hasattr(self.model, "history"):
+            qs = self.annotate(
+                history=ArraySubquery(
+                    self.model.history.model.objects.filter(id=OuterRef("id")).values(
+                        json=JSONObject(
+                            id="history_id",
+                            date="history_date",
+                        )
+                    )
+                )
+            )
+            fields.append("history")
+
+        else:
+            qs = self
+
+        return qs.values(*fields)
 
 
 class BaseManager(models.Manager.from_queryset(BaseQuerySet)):