From 513fdb2e75d36ffc0976fcc7c3de93761567f82f Mon Sep 17 00:00:00 2001
From: Rohit Reddy Abbadi <tiholic@users.noreply.github.com>
Date: Tue, 22 Mar 2022 23:39:37 +0530
Subject: [PATCH] Improve pagination openapi schema

* add all properties on pagination class schemas to `required` attribute

This helps the client code generators can add necessary validations/enable null-safe implementations.
---
 rest_framework/pagination.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/rest_framework/pagination.py b/rest_framework/pagination.py
index e815d8d5c..cfccbc4db 100644
--- a/rest_framework/pagination.py
+++ b/rest_framework/pagination.py
@@ -253,6 +253,12 @@ class PageNumberPagination(BasePagination):
                 },
                 'results': schema,
             },
+            'required': [
+                'count',
+                'next',
+                'previous',
+                'results',
+            ],
         }
 
     def get_page_size(self, request):
@@ -426,6 +432,12 @@ class LimitOffsetPagination(BasePagination):
                 },
                 'results': schema,
             },
+            'required': [
+                'count',
+                'next',
+                'previous',
+                'results',
+            ],
         }
 
     def get_limit(self, request):
@@ -912,6 +924,11 @@ class CursorPagination(BasePagination):
                 },
                 'results': schema,
             },
+            'required': [
+                'next',
+                'previous',
+                'results',
+            ],
         }
 
     def get_html_context(self):