school-platform/app/views/data_files/_data_file.html.erb

<tr>
  <td>
    <%= link_to data_file.name, download_data_file_url(data_file) %>
  </td>
  <% if data_file.repository.can_upload_files?(current_user) %>
    <td>
      <%= form_for data_file, html: { method: :delete } do |f| %>
        <%= f.submit "Remove", class: "btn btn-danger" %>
      <% end %>
    </td>
  <% end %>
</tr>