fix ranvher invetory entry bug for existence of rancher - set pagination message

apps/core/pagination.py

@@ -1,7 +1,21 @@
 from rest_framework.pagination import PageNumberPagination
+from rest_framework.response import Response
 
 
 class CustomPageNumberPagination(PageNumberPagination):
     page_size = 20  # default
     page_size_query_param = 'page_size'  # set from client
     max_page_size = 100  # maximum items to show
+    message = None
+
+    def get_paginated_response(self, data):
+        return Response({
+            'message': self.message,  # Custom message
+            'count': self.page.paginator.count,
+            'next': self.get_next_link(),
+            'previous': self.get_previous_link(),
+            'results': data
+        })
+
+    def set_message(self, message):
+        self.message = message