app/views/my_accounts/_feed_token.html.erb
<%- if @user.checkout_icalendar_token? -%>
<%= checkouts_url(:icalendar_token => @user.checkout_icalendar_token, :format => :ics) -%>
<%= hidden_field_tag 'user[checkout_icalendar_token]', @user.checkout_icalendar_token -%>
<%- end -%>
<br />
<%- if @user.checkout_icalendar_token? -%>
<input onclick="$.ajax({data:'authenticity_token=' + encodeURIComponent('<%= form_authenticity_token %>'), success:function(request){$('#feed_token').html(request);}, type:'get', url:'<%= edit_user_path(@user, :disable => true, :mode => 'feed_token') %>'});" type="button" value="<%= t('page.delete') %>" />
<br />
<%= t('user.you_have_to_save_profile_to_activate_feed_url') -%>
<%- else -%>
<input onclick="$.ajax({data:'authenticity_token=' + encodeURIComponent('<%= form_authenticity_token %>'), success:function(request){$('#feed_token').html(request);}, type:'get', url:'<%= edit_user_path(@user, :mode => 'feed_token') %>'});" type="button" value="<%= t('page.reset') %>" />
<br />
<%= t('user.you_have_to_save_profile_to_deactivate_feed_url') -%>
<%- end -%>