add: add product and category models

core/apps/shared/paginations/custom.py

@@ -0,0 +1,22 @@
+from rest_framework.pagination import PageNumberPagination
+
+
+from rest_framework.pagination import PageNumberPagination
+from rest_framework.response import Response
+
+class CustomPageNumberPagination(PageNumberPagination):
+    page_size = 10
+    page_query_param = 'page'
+    page_size_query_param = 'page_size'
+    max_page_size = 100
+
+    def get_paginated_response(self, data):
+        return Response({
+            'total': self.page.paginator.count,
+            'page': self.page.number,
+            'page_size': self.get_page_size(self.request),
+            'total_pages': self.page.paginator.num_pages,
+            'has_next': self.page.has_next(),
+            'has_previous': self.page.has_previous(),
+            'results': data
+        })