_request_page_action.html.erb

<% if defined?(@request) && !@request.nil? %>
  <%= form_tag "#{@request[:request_uri]}/request", :id => 'request_sub' do |f| %>
    <%= render partial: 'shared/request_hiddens' %>
    <button type="submit" class="btn page_action request  btn-default" title="<%= t('actions.request') %>">
      <i class="fa fa-bullhorn fa-3x"></i><br/><%= t('actions.request') %></button>
  <% end %>
<% end %>