Added Pagination in the APIs

backend/djangoindia/api/views/base.py

@@ -9,6 +9,8 @@
 from rest_framework.exceptions import APIException
 from rest_framework.filters import SearchFilter
 from rest_framework.permissions import IsAuthenticated
+from rest_framework.response import Response
+from rest_framework.settings import api_settings
 from rest_framework.views import APIView
 from rest_framework.viewsets import ModelViewSet
 
@@ -42,7 +44,39 @@ def initial(self, request, *args, **kwargs):
             timezone.deactivate()
 
 
-class BaseViewSet(TimezoneMixin, ModelViewSet):
+class PaginationMixin:
+    @property
+    def paginator(self):
+        """
+        The paginator instance associated with the view, or `None`.
+        """
+        if not hasattr(self, "_paginator"):
+            if self.pagination_class is None:
+                self._paginator = None
+            else:
+                self._paginator = self.pagination_class()
+        return self._paginator
+
+    def paginate_queryset(self, queryset):
+        """
+        Return a single page of results, or `None` if pagination
+        is disabled.
+        """
+        if self.paginator is None:
+            return queryset
+        return self.paginator.paginate_queryset(queryset, self.request, view=self)
+
+    def get_paginated_response(self, data):
+        """
+        Return a paginated style `Response` object for the given
+        output data.
+        """
+        if self.paginator is None:
+            return Response(data)
+        return self.paginator.get_paginated_response(data)
+
+
+class BaseViewSet(TimezoneMixin, PaginationMixin, ModelViewSet):
     """
     Base viewset that provides default configurations for API views.
 

backend/djangoindia/api/views/event.py

@@ -146,12 +146,13 @@ def list(self, request, *args, **kwargs):
         """
         queryset = self.get_queryset()
         all_community_partners = CommunityPartner.objects.all()
+        page = self.paginate_queryset(queryset)
         serializer = self.get_serializer(
-            queryset,
+            page,
             many=True,
             context={"all_community_partners": all_community_partners},
         )
-        return Response(serializer.data)
+        return self.get_paginated_response(serializer.data)
 
     def retrieve(self, request, *args, **kwargs):
         """
@@ -471,5 +472,6 @@ def get(self, request, event_slug):
                 {"message": "No registration found"}, status=status.HTTP_404_NOT_FOUND
             )
 
-        serializer = self.serializer_class(registrations, many=True)
-        return Response(serializer.data)
+        page = self.paginate_queryset(registrations)
+        serializer = self.serializer_class(page, many=True)
+        return self.get_paginated_response(serializer.data)

backend/djangoindia/api/views/media_library.py

@@ -99,8 +99,9 @@ def list(self, request, *args, **kwargs):
             Response: JSON response containing a list of serialized folder data.
         """
         queryset = self.filter_queryset(self.get_queryset())
-        serializer = self.get_serializer(queryset, many=True)
-        return Response(serializer.data)
+        page = queryset
+        serializer = self.get_serializer(page, many=True)
+        return self.get_paginated_response(serializer.data)
 
     def retrieve(self, request, *args, **kwargs):
         """

backend/djangoindia/api/views/partner_and_sponsor.py

@@ -57,5 +57,6 @@ def get(self, request):
             Response: Serialized data containing both partners and sponsors.
         """
         queryset = self.get_queryset()
-        serializer = self.serializer_class(queryset)
-        return Response(serializer.data)
+        page = queryset
+        serializer = CommunityPartnerAndSponsorSerializer(page)
+        return self.get_paginated_response(serializer.data)

backend/djangoindia/settings/base.py

@@ -181,6 +181,8 @@
     ),
     "DEFAULT_PERMISSION_CLASSES": ("rest_framework.permissions.IsAuthenticated",),
     "DEFAULT_SCHEMA_CLASS": "drf_spectacular.openapi.AutoSchema",
+    "DEFAULT_PAGINATION_CLASS": "rest_framework.pagination.PageNumberPagination",
+    "PAGE_SIZE": 2,
 }
 
 SPECTACULAR_SETTINGS = {