osem-fcy/app/views/admin/users/show.html.haml

%table.table
  - @show_attributes.each do |attr|
    %tr
      %td{style: 'width:20%'}
        %b
          = attr.capitalize.gsub('_', ' ')
      - if attr == 'roles'
        %td
          = @user.send(attr).map { |role| "#{ role.name.capitalize } of #{ role.resource_type.constantize.find(role.resource_id).short_title }"}.join(', ')
      - else
        %td= @user.send(attr)