app/views/banners/_banner.html.erb
<td><%= banner.message %></td>
<td id='<%= dom_id banner %>-start-date'>
<% if banner.start_date %>
<%= time_tag(banner.start_date) %>
<% end %>
</td>
<td id='<%= dom_id banner %>-end-date'>
<%= time_tag(banner.end_date) if banner.end_date %>
</td>
<td id='<%= dom_id banner %>-status'>
<%= banner.active?.to_s.titleize %>
</td>