Expose comments on Noteables in GraphQL

This exposes `Note`s on Issues & MergeRequests using a
`Types::Notes::NoteableType` in GraphQL.

Exposing notes on a new type can be done by implementing the
`NoteableType` interface on the type. The presented object should
be a `Noteable`.

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/gitlab/diff/position.rb b/lib/gitlab/diff/position.rb
index e8f98f52111..d349c378e53 100644
--- a/lib/gitlab/diff/position.rb
+++ b/lib/gitlab/diff/position.rb
@@ -134,6 +134,14 @@ module Gitlab
         @line_code ||= diff_file(repository)&.line_code_for_position(self)
       end
 
+      def on_image?
+        position_type == 'image'
+      end
+
+      def on_text?
+        position_type == 'text'
+      end
+
       private
 
       def find_diff_file(repository)