feat(devops): GitHub Repository Notes Viewset

ref: #693 #515

app/devops/urls.py

@@ -20,4 +20,6 @@ router.register(r'git_repository/(?P<git_provider>gitlab|github)?', git_reposito
 
 router.register('git_group', git_group.ViewSet, feature_flag = '2025-00001', basename='_api_v2_git_group')
 
+router.register('git_repository/github/notes', github_repository_notes.ViewSet, feature_flag = '2025-00001', basename='_api_v2_github_repository_notes')
+
 urlpatterns = router.urls

app/devops/viewsets/github_repository_notes.py

@@ -0,0 +1,60 @@
+from drf_spectacular.utils import extend_schema, extend_schema_view, OpenApiResponse
+
+from devops.serializers.git_repository.github_notes import (
+    GitHubRepositoryNotes,
+    GitHubRepositoryNoteModelSerializer,
+    GitHubRepositoryNoteViewSerializer
+)
+
+from core.viewsets.model_notes import ModelNoteViewSet
+
+
+
+@extend_schema_view(
+    create=extend_schema(
+        summary = 'Add a note to a GitHUb',
+        description = '',
+        responses = {
+            201: OpenApiResponse(description='created', response=GitHubRepositoryNoteViewSerializer),
+            400: OpenApiResponse(description='Validation failed.'),
+            403: OpenApiResponse(description='User is missing create permissions'),
+        }
+    ),
+    destroy = extend_schema(
+        summary = 'Delete a GitHUb note',
+        description = ''
+    ),
+    list = extend_schema(
+        summary = 'Fetch all GitHUb notes',
+        description='',
+    ),
+    retrieve = extend_schema(
+        summary = 'Fetch a single GitHUb note',
+        description='',
+    ),
+    update = extend_schema(exclude = True),
+    partial_update = extend_schema(
+        summary = 'Update a GitHUb note',
+        description = ''
+    ),
+)
+class ViewSet(ModelNoteViewSet):
+
+    model = GitHubRepositoryNotes
+
+
+    def get_serializer_class(self):
+
+        if (
+            self.action == 'list'
+            or self.action == 'retrieve'
+        ):
+
+            self.serializer_class = GitHubRepositoryNoteViewSerializer
+
+
+        else:
+            
+            self.serializer_class = GitHubRepositoryNoteModelSerializer
+
+        return self.serializer_class