app/views/improvements/index.html.erb
<p id="notice"><%= notice %></p>
<h1>Improvements</h1>
<table class="table">
<thead>
<tr>
<th>Playbook</th>
<th>Description</th>
<th>Rating</th>
<th>Stat limit</th>
<th colspan="3"></th>
</tr>
</thead>
<tbody>
<% @improvements.each do |improvement| %>
<tr>
<td><%= link_to_playbook(improvement) %>
<td><%= link_to improvement.description, improvement_path(improvement) %></td>
<td><%= improvement.rating %></td>
<td><%= improvement.stat_limit&.positive? ? improvement.stat_limit : '' %></td>
<td><%= link_to 'Edit', edit_improvement_path(improvement) %></td>
<td><%= link_to 'Destroy', improvement_path(improvement), method: :delete, data: { confirm: 'Are you sure?' } %></td>
</tr>
<% end %>
</tbody>
</table>
<br>
<% if policy(Improvement).create? %>
<%= link_to 'New Improvement', new_improvement_path %>
<% end %>