1 files changed, 48 insertions, 0 deletions
diff --git a/app/graphql/mutations/notes/update/base.rb b/app/graphql/mutations/notes/update/base.rb
new file mode 100644
index 00000000000..9a53337f253
--- /dev/null
+++ b/app/graphql/mutations/notes/update/base.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+module Mutations
+  module Notes
+    module Update
+      # This is a Base class for the Note update mutations and is not
+      # mounted as a GraphQL mutation itself.
+      class Base < Mutations::Notes::Base
+        authorize :admin_note
+
+        argument :id,
+                  GraphQL::ID_TYPE,
+                  required: true,
+                  description: 'The global id of the note to update'
+
+        def resolve(args)
+          note = authorized_find!(id: args[:id])
+
+          pre_update_checks!(note, args)
+
+          updated_note = ::Notes::UpdateService.new(
+            note.project,
+            current_user,
+            note_params(note, args)
+          ).execute(note)
+
+          # It's possible for updated_note to be `nil`, in the situation
+          # where the note is deleted within `Notes::UpdateService` due to
+          # the body of the note only containing Quick Actions.
+          {
+            note: updated_note&.reset,
+            errors: updated_note ? errors_on_object(updated_note) : []
+          }
+        end
+
+        private
+
+        def pre_update_checks!(_note, _args)
+          raise NotImplementedError
+        end
+
+        def note_params(_note, args)
+          { note: args[:body] }.compact
+        end
+      end
+    end
+  end
+end