fix

core/apps/projects/views/project.py

@@ -1,3 +1,6 @@
+from django.db.models import Value
+from django.db.models.functions import Coalesce
+from django.contrib.postgres.aggregates import ArrayAgg
 from django.shortcuts import get_object_or_404
 from django.db.models import Prefetch
 
@@ -161,16 +164,28 @@ class ProjectAndFolderApiView(views.APIView):
     required_permissions = ['project', 'project_folder']
 
     def get(self, request):
-        folders = ProjectFolder.objects.prefetch_related('projects').values(
-            'id', 'name', 'projects__id', 'projects__name'
+        # Folderlarni projectlari bilan olish (bitta SQL query)
+        folders = (
+            ProjectFolder.objects
+            .annotate(
+                projects=Coalesce(
+                    ArrayAgg('projects__name', distinct=True),  # project nomlari list ko‘rinishida
+                    Value([])
+                )
+            )
+            .values('id', 'title', 'projects')
         )
-        projects = Project.objects.exclude(folder__isnull=False).values('id', 'name')
-        projects_serializer = serializers.ProjectsSerializer(projects, many=True)
-        folders_serializer = serializers.ProjectFoldersSerializer(folders, many=True)
+
+        # Folderga ulanmagan projectlar (folder__isnull=True)
+        projects_without_folder = (
+            Project.objects.filter(folder__isnull=True)
+            .values('id', 'name')
+        )
+
         return Response(
             {
-                'project_folders': folders_serializer.data,
-                'projects': projects_serializer.data,
+                "project_folders": list(folders),
+                "projects": list(projects_without_folder),
             },
             status=200
         )