1 files changed, 5 insertions, 2 deletions
diff --git a/app/models/resource_label_event.rb b/app/models/resource_label_event.rb
index f2c7cb6a65d..ad08f4763ae 100644
--- a/app/models/resource_label_event.rb
+++ b/app/models/resource_label_event.rb
@@ -36,10 +36,9 @@ class ResourceLabelEvent < ApplicationRecord
     issue || merge_request
   end
 
-  # create same discussion id for all actions with the same user and time
   def discussion_id(resource = nil)
     strong_memoize(:discussion_id) do
-      Digest::SHA1.hexdigest([self.class.name, created_at, user_id].join("-"))
+      Digest::SHA1.hexdigest(discussion_id_key.join("-"))
     end
   end
 
@@ -121,4 +120,8 @@ class ResourceLabelEvent < ApplicationRecord
   def resource_parent
     issuable.project || issuable.group
   end
+
+  def discussion_id_key
+    [self.class.name, created_at, user_id]
+  end
 end