can [:new, :create], Report
can [:create, :show, :update, :destroy, :data], Trace
can [:details, :gpx_files], User
- can [:read, :read_one, :update, :update_one, :delete_one], UserPreference
+ can [:index, :show, :update, :update_all, :destroy], UserPreference
if user.terms_agreed?
can [:create, :update, :upload, :close, :subscribe, :unsubscribe], Changeset