{# Renders a list of the site's most popular groups. #}
<div class="box">
  <header class="module-heading">
    <h3>Most popular topics</h3>
  </header>
  <section class="module-content">
    <ul class="list-unstyled">
      {% for group in groups %}
        <li>
          <a href="{{ h.url_for('group_read', action='read', id=group.name) }}">
            <h3>{{ group.display_name }}</h3>
          </a>
          {% if group.description %}
            <p>
              {{ h.markdown_extract(group.description, extract_length=80) }}
            </p>
          {% else %}
            <p>{{ _('This group has no description') }}</p>
          {% endif %}
          {% if group.package_count %}
            <strong>{{ ungettext('{num} Dataset', '{num} Datasets', group.package_count).format(num=group.package_count) }}</strong>
          {% else %}
            <span>{{ _('0 Datasets') }}</span>
          {% endif %}
        </li>
      {% endfor %}
    </ul>
  </section>
</div>