app/views/admin/meter_statuses/index.html.erb
<% content_for :page_title, 'Meter Status' %>
<h1>Meter Statuses</h1>
<table class="table">
<thead>
<th>Meter Statuses</th>
<th></th>
</thead>
<tbody>
<% @admin_meter_statuses.each do |status| %>
<tr>
<td><%= status.label %></td>
<td>
<%= link_to "Edit", edit_admin_meter_status_path(status), class: 'btn btn-default' %>
<% if status.school_groups.count.zero? && status.meters.count.zero? %>
<%= link_to 'Delete', status, method: :delete, data: { confirm: 'Are you sure you want to delete this meter status?' }, class: 'btn btn-default' %>
<% end %>
</td>
</tr>
<% end %>
</tbody>
</table>
<p><%= link_to 'New meter status', new_admin_meter_status_url %></p>