<% if @course.users.include?(@current_user) %> <%= action_icon 'subtract', 'Deixar de participar', unenroll_course_url(@course) %> <% else %> <%= action_icon 'add', 'Participar', enroll_course_url(@course) %> <% end %>

Participantes

<%= link_to h(user.display_name), user_url(user) %>
<%= link_to("Ver todos os participantes", course_news_url(@course)) %>
Nenhum participante