1 files changed, 14 insertions, 17 deletions

diff --git a/app/services/issues/create_service.rb b/app/services/issues/create_service.rb
index 1f4efeb1a8a..53f3dc39ba3 100644
--- a/app/services/issues/create_service.rb
+++ b/app/services/issues/create_service.rb
@@ -34,13 +34,26 @@ module Issues
 
     # Add new items to Issues::AfterCreateService if they can be performed in Sidekiq
     def after_create(issue)
-      add_incident_label(issue)
       user_agent_detail_service.create
       resolve_discussions_with_issue(issue)
 
       super
     end
 
+    def handle_changes(issue, options)
+      super
+      old_associations = options.fetch(:old_associations, {})
+      old_assignees = old_associations.fetch(:assignees, [])
+
+      handle_assignee_changes(issue, old_assignees)
+    end
+
+    def handle_assignee_changes(issue, old_assignees)
+      return if issue.assignees == old_assignees
+
+      create_assignee_note(issue, old_assignees)
+    end
+
     def resolve_discussions_with_issue(issue)
       return if discussions_to_resolve.empty?
 
@@ -56,22 +69,6 @@ module Issues
     def user_agent_detail_service
       UserAgentDetailService.new(@issue, request)
     end
-
-    # Applies label "incident" (creates it if missing) to incident issues.
-    # For use in "after" hooks only to ensure we are not appyling
-    # labels prematurely.
-    def add_incident_label(issue)
-      return unless issue.incident?
-
-      label = ::IncidentManagement::CreateIncidentLabelService
-        .new(project, current_user)
-        .execute
-        .payload[:label]
-
-      return if issue.label_ids.include?(label.id)
-
-      issue.labels << label
-    end
   end
 end