app/views/users/_role_facet.html.erb
<h4><%= t('activerecord.models.role') -%></h4>
<ul>
<%- roles = params[:role].to_s.split -%>
<%- @search.facet(:role).rows.each do |facet| -%>
<%- current_roles = roles.dup -%>
<%- role = Role.where(:name => facet.value).select([:name, :display_name]).first -%>
<%- if role -%>
<li><%= role_facet(role, current_roles, facet) %></li>
<%- end -%>
<%- end -%>
<%- if params[:role] -%>
<li><%= link_to t('page.remove_this_facet'), url_for(params.merge(:role => nil, :page => nil, :view => nil)) -%></li>
<%- end -%>
</ul>