filter all apis of organization city & province - cant remove own user or organoization

apps/core/api.py

@@ -1,8 +1,36 @@
-from apps.core.serializers import MobileTestSerializer, SystemConfigSerializer
-from apps.core.models import MobileTest, SystemConfig
-from rest_framework.response import Response
 from rest_framework import viewsets
 
+from apps.authentication.mixins.region_filter import RegionFilterMixin
+from apps.core.models import MobileTest, SystemConfig
+from apps.core.serializers import MobileTestSerializer, SystemConfigSerializer
+
+
+class BaseViewSet(RegionFilterMixin, viewsets.ModelViewSet):
+    """
+    All view sets in the project should inherit from this class.
+    It applies region-based filtering automatically to GET (list) requests.
+    """
+
+    def get_queryset(self):
+        queryset = super().get_queryset()
+        request = self.request
+        user = request.user
+        user_relation = user.user_relation.all()
+
+        if self.request.method.lower() == 'get' and not self.kwargs.get('pk'):
+            queryset = self.filter_by_region(queryset, org=True)
+
+        if not user_relation.first().role.type.key == 'ADM':
+            model_name = queryset.model.__name__.lower()
+
+            if model_name == 'user':
+                queryset = queryset.exclude(id=user.id)
+
+            elif model_name == 'organization':
+                queryset = queryset.exclude(id=user_relation.first().organization.id)
+
+        return queryset
+
 
 class MobileTestViewSet(viewsets.ModelViewSet):
     queryset = MobileTest.objects.all()