BathHacked/energy-sparks

<table class="table table-condensed regional-calendars table-sorted">
  <thead>
    <tr>
      <th>Name</th>
      <th>Based on</th>
      <th>Dependent Calendars</th>
      <th>Last term date</th>
      <th></th>
    </tr>
  </thead>

  <tbody>
    <% calendars.each do |calendar| %>
      <tr>
        <td><%= calendar.title %></td>
        <td><%= link_to calendar.based_on.title, calendar_path(calendar.based_on) unless calendar.based_on.nil? %></td>
        <td><%= calendar.calendars.count %></td>
        <% last_term_date = calendar.calendar_events.terms.by_end_date.last %>
        <td data-order="<%= last_term_date.end_date.strftime("%Y-%m-%d") if last_term_date.present? %>"><%= nice_dates(last_term_date&.end_date) %></td>
        <td>
          <div class='btn-group'>
          <%= link_to 'Show', calendar, class: 'btn btn-info' if can?(:read, calendar) %>
          <%= link_to 'Delete', calendar, method: :delete, data: { confirm: 'Are you sure?' }, class: 'btn btn-danger' if calendar.calendars.count == 0 && can?(:destroy, calendar) %>
          <%= link_to 'Edit', edit_admin_calendar_path(calendar), class: 'btn btn-info' if can?(:update, calendar) %>
          </div>
        </td>
      </tr>
    <% end %>
  </tbody>
</table>