_attachment_links.html.erb

<div class="col-md-4">
  <%= render partial: 'shared/govspeak_help' %>
  <h2>Attachments</h2>

  <% if @document.publication_state %>
      <%= link_to "Add attachment", new_document_attachment_path(params[:document_type_slug], @document.content_id) %>
  <% else %>
      <p>To add an attachment, please save the draft first.</p>
  <% end %>
  <% if @document.attachments %>
    <ul class="attachments">
      <% @document.attachments.each do |attachment| %>
        <li class="attachment">
          <span class="title"><%= attachment.title %></span>
          <%= link_to "edit",
            edit_document_attachment_path(params[:document_type_slug],
            @document.content_id,
            attachment.content_id)
          %>
          <%= attachment.snippet %>
        </li>
      <% end %>
    </ul>
  <% end %>
</div>