change user membership without payment

backend/api/account/client/views.py

@@ -170,13 +170,15 @@ class ChangeUserMembership(ViewSet):
     @handle_exceptions
     def change_plan(self, request):
         """Меняем пользователю тарифный план"""
-        user_profile = get_object_or_404(User, id=request.user.id)
+        user = request.user
+        user_profile = get_object_or_404(UserProfile, user=user)
+        
         serializer = PlanChangeSerializer(user_profile, data=request.data)
             
         if serializer.is_valid():
             serializer.save()
             return Response({"message": "Тариф успешно изменен"}, status=status.HTTP_200_OK)
-            
+        
         return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 
 class GetMembershipData(ViewSet):

backend/api/urls.py

@@ -13,7 +13,8 @@ UserDataView,
 AccountActionsView, 
 CityView, 
 CountryView, 
-GetMembershipData)
+GetMembershipData,
+ChangeUserMembership)
 
 urlpatterns = [
     path("v1/faq/", FAQView.as_view(), name='faqMain'),
@@ -36,4 +37,5 @@ urlpatterns = [
     path("v1/countries/", CountryView.as_view({'get':'get_countries'}), name='get_countries'),
     
     path("v1/plans/", GetMembershipData.as_view({'get':'get_pricing_data'}), name='get_pricing_data'),
+    path("v1/account/change_membership/", ChangeUserMembership.as_view({'patch':'change_plan'}), name='change_plan'),
 ]