Increase performace for studyGroup membership

2020-03-05 11:59:25 +01:00
parent b142a5dac5
commit b63280ff97
1 changed files with 1 additions and 1 deletions
--- a/app/controllers/concerns/lti.rb
+++ b/app/controllers/concerns/lti.rb
@ -192,7 +192,7 @@ module Lti
            else
              StudyGroup.find_or_create_by(external_id: @provider.resource_link_id, consumer: @consumer)
            end
-    group.users |= [@current_user] # add current user if not already member of the group
+    group.users << @current_user unless group.users.include? @current_user
    group.save
    session[:study_group_id] = group.id
  end