core/apps/evaluation/migrations/0024_add_history_indexes.py

@@ -0,0 +1,29 @@
+# Generated by Django 5.2.7 on 2026-04-02 11:08
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('evaluation', '0023_autoevaluationhistorymodel_and_more'),
+    ]
+
+    operations = [
+        migrations.AddIndex(
+            model_name='autoevaluationhistorymodel',
+            index=models.Index(fields=['auto_evaluation_id', 'created_at'], name='auto_hist_eval_date_idx'),
+        ),
+        migrations.AddIndex(
+            model_name='autoevaluationhistorymodel',
+            index=models.Index(fields=['event_type'], name='auto_hist_event_type_idx'),
+        ),
+        migrations.AddIndex(
+            model_name='quickevaluationhistorymodel',
+            index=models.Index(fields=['quick_evaluation_id', 'created_at'], name='quick_hist_eval_date_idx'),
+        ),
+        migrations.AddIndex(
+            model_name='quickevaluationhistorymodel',
+            index=models.Index(fields=['event_type'], name='quick_hist_event_type_idx'),
+        ),
+    ]

core/apps/evaluation/models/history.py

@@ -56,6 +56,12 @@ class AutoevaluationhistoryModel(models.Model):
         verbose_name = _("Auto Evaluation History")
         verbose_name_plural = _("Auto Evaluation Histories")
         ordering = ["created_at"]
+        indexes = [
+            # Asosiy query: bir baholash tarixi + sana bo'yicha tartib
+            models.Index(fields=["auto_evaluation_id", "created_at"], name="auto_hist_eval_date_idx"),
+            # event_type bo'yicha filter
+            models.Index(fields=["event_type"], name="auto_hist_event_type_idx"),
+        ]
 
 
 class QuickevaluationhistoryModel(models.Model):
@@ -110,3 +116,9 @@ class QuickevaluationhistoryModel(models.Model):
         verbose_name = _("Quick Evaluation History")
         verbose_name_plural = _("Quick Evaluation Histories")
         ordering = ["created_at"]
+        indexes = [
+            # Asosiy query: bir baholash tarixi + sana bo'yicha tartib
+            models.Index(fields=["quick_evaluation_id", "created_at"], name="quick_hist_eval_date_idx"),
+            # event_type bo'yicha filter
+            models.Index(fields=["event_type"], name="quick_hist_event_type_idx"),
+        ]

core/apps/evaluation/views/history.py

@@ -3,6 +3,7 @@ from django_filters.rest_framework import DjangoFilterBackend
 from drf_spectacular.utils import OpenApiParameter, extend_schema
 from rest_framework.filters import OrderingFilter
 from rest_framework.permissions import AllowAny
+from rest_framework.response import Response
 from rest_framework.viewsets import ReadOnlyModelViewSet
 
 from core.apps.evaluation.filters.history import (
@@ -30,10 +31,15 @@ from core.apps.evaluation.serializers.history import (
     ],
 )
 class AutoEvaluationHistoryView(BaseViewSetMixin, ReadOnlyModelViewSet):
-    queryset = AutoevaluationhistoryModel.objects.select_related().all()
+    # select_related("auto_evaluation") faqat retrieve uchun — list uchun kerak emas
+    queryset = AutoevaluationhistoryModel.objects.only(
+        "id", "auto_evaluation_id", "event_type",
+        "actor_id", "actor_full_name", "actor_role",
+        "meta", "created_at",
+    )
     serializer_class = ListAutoevaluationhistorySerializer
     permission_classes = [AllowAny]
-    pagination_class = None  # History uchun pagination kerak emas
+    pagination_class = None
 
     filter_backends = [DjangoFilterBackend, OrderingFilter]
     filterset_class = AutoevaluationhistoryFilter
@@ -47,6 +53,18 @@ class AutoEvaluationHistoryView(BaseViewSetMixin, ReadOnlyModelViewSet):
         "create": CreateAutoevaluationhistorySerializer,
     }
 
+    def list(self, request, *args, **kwargs):
+        queryset = self.filter_queryset(self.get_queryset())
+        # Queryset bir marta evaluate qilinadi — COUNT uchun alohida query yo'q
+        results = list(queryset)
+        serializer = self.get_serializer(results, many=True)
+        return Response({
+            "count": len(results),
+            "next": None,
+            "previous": None,
+            "results": serializer.data,
+        })
+
 
 @extend_schema(
     tags=["QuickEvaluationHistory"],
@@ -58,10 +76,14 @@ class AutoEvaluationHistoryView(BaseViewSetMixin, ReadOnlyModelViewSet):
     ],
 )
 class QuickEvaluationHistoryView(BaseViewSetMixin, ReadOnlyModelViewSet):
-    queryset = QuickevaluationhistoryModel.objects.select_related().all()
+    queryset = QuickevaluationhistoryModel.objects.only(
+        "id", "quick_evaluation_id", "event_type",
+        "actor_id", "actor_full_name", "actor_role",
+        "meta", "created_at",
+    )
     serializer_class = ListQuickevaluationhistorySerializer
     permission_classes = [AllowAny]
-    pagination_class = None  # History uchun pagination kerak emas
+    pagination_class = None
 
     filter_backends = [DjangoFilterBackend, OrderingFilter]
     filterset_class = QuickevaluationhistoryFilter
@@ -74,3 +96,14 @@ class QuickEvaluationHistoryView(BaseViewSetMixin, ReadOnlyModelViewSet):
         "retrieve": RetrieveQuickevaluationhistorySerializer,
         "create": CreateQuickevaluationhistorySerializer,
     }
+
+    def list(self, request, *args, **kwargs):
+        queryset = self.filter_queryset(self.get_queryset())
+        results = list(queryset)
+        serializer = self.get_serializer(results, many=True)
+        return Response({
+            "count": len(results),
+            "next": None,
+            "previous": None,
+            "results": serializer.data,
+        })