feat: add parser source dashboard and scheduling

src/apps/core/services.py

@@ -8,6 +8,7 @@ They are easily testable and can manage transactions.
 import logging
 from typing import Any, Generic, TypeVar
 
+import django
 from apps.core.exceptions import NotFoundError
 from django.db import models, transaction
 from django.db.models import QuerySet
@@ -272,8 +273,13 @@ class BulkOperationsMixin:
                 "ignore_conflicts": ignore_conflicts,
             }
 
-            # Django 4.1+ поддерживает update_conflicts
-            if update_conflicts and update_fields and unique_fields:
+            # Django 4.1+ поддерживает update_conflicts; проект закреплён на Django 3.x.
+            if (
+                django.VERSION >= (4, 1)
+                and update_conflicts
+                and update_fields
+                and unique_fields
+            ):
                 kwargs["update_conflicts"] = True
                 kwargs["update_fields"] = update_fields
                 kwargs["unique_fields"] = unique_fields