[WEB-2293] feat: pages version history (#5417)

* chore: project page version

* feat: page version history implemented

* chore: hide save button when version history overlay is active

* refactor: updated navigation logic

* chore: added error states

---------

Co-authored-by: NarayanBavisetti <narayan3119@gmail.com>

apiserver/plane/app/serializers/__init__.py

@@ -92,6 +92,7 @@ from .page import (
     SubPageSerializer,
     PageDetailSerializer,
     PageVersionSerializer,
+    PageVersionDetailSerializer,
 )
 
 from .estimate import (

apiserver/plane/app/serializers/page.py

@@ -167,7 +167,40 @@ class PageLogSerializer(BaseSerializer):
 class PageVersionSerializer(BaseSerializer):
     class Meta:
         model = PageVersion
-        fields = "__all__"
+        fields = [
+            "id",
+            "workspace",
+            "page",
+            "last_saved_at",
+            "owned_by",
+            "created_at",
+            "updated_at",
+            "created_by",
+            "updated_by",
+        ]
+        read_only_fields = [
+            "workspace",
+            "page",
+        ]
+
+
+class PageVersionDetailSerializer(BaseSerializer):
+    class Meta:
+        model = PageVersion
+        fields = [
+            "id",
+            "workspace",
+            "page",
+            "last_saved_at",
+            "description_binary",
+            "description_html",
+            "description_json",
+            "owned_by",
+            "created_at",
+            "updated_at",
+            "created_by",
+            "updated_by",
+        ]
         read_only_fields = [
             "workspace",
             "page",

apiserver/plane/app/views/page/version.py

@@ -5,16 +5,18 @@ from rest_framework.response import Response
 # Module imports
 from plane.db.models import PageVersion
 from ..base import BaseAPIView
-from plane.app.permissions import ProjectEntityPermission
-from plane.app.serializers import PageVersionSerializer
+from plane.app.serializers import (
+    PageVersionSerializer,
+    PageVersionDetailSerializer,
+)
+from plane.app.permissions import allow_permission, ROLE
 
 
 class PageVersionEndpoint(BaseAPIView):
 
-    permission_classes = [
-        ProjectEntityPermission,
-    ]
-
+    @allow_permission(
+        allowed_roles=[ROLE.ADMIN, ROLE.MEMBER, ROLE.VIEWER, ROLE.GUEST]
+    )
     def get(self, request, slug, project_id, page_id, pk=None):
         # Check if pk is provided
         if pk:
@@ -25,7 +27,7 @@ class PageVersionEndpoint(BaseAPIView):
                 pk=pk,
             )
             # Serialize the page version
-            serializer = PageVersionSerializer(page_version)
+            serializer = PageVersionDetailSerializer(page_version)
             return Response(serializer.data, status=status.HTTP_200_OK)
         # Return all page versions
         page_versions = PageVersion.objects.filter(