_publish_auction.html.erb

<%= simple_form_for [:admin, status.auction], url: admin_auction_path, method: :patch do |f| %>
  <fieldset class="datetime">
    <legend>Auction starts</legend>
    <%= render partial: 'sidebar_datetime_fields',
      locals: { field: 'started', auction: status } %>
  </fieldset>

  <fieldset class="datetime">
    <legend>Auction ends</legend>
    <%= render partial: 'sidebar_datetime_fields',
      locals: { field: 'ended', auction: status } %>
  </fieldset>

  <fieldset class="datetime">
    <legend>Delivery deadline</legend>
    <%= render partial: 'sidebar_datetime_fields',
      locals: { field: 'delivery_due', auction: status } %>
  </fieldset>

  <%= f.hidden_field :published, value: 'published', hidden: true %>
  <%= f.submit t('links_and_buttons.auctions.publish'),
    class: 'usa-button usa-button-outline action-button' %>
<% end %>