{% if g.user.is_authenticated %}
<ul class="list-group">
  {% if topic.is_followed() %}
  <button type="button" class="btn btn-info btn-block topic-following active" data-id="{{topic.id}}">取消关注</button>
  {% else %}
  <button type="button" class="btn btn-info btn-block topic-following" data-id="{{topic.id}}">关注问题</button>
  {% endif %}
  {% if g.user == topic.author %}
  <a class="btn btn-success btn-block" href="{{ url_for('topic.edit',topicId=topic.id)}}">
    编辑问题
  </a>
  {%- endif %}
  {% if topic.is_collected() %}
  <span class="btn btn-default btn-block">已收藏</span>
  {% else %}
  <span class="btn btn-default btn-block" data-toggle="modal" data-target="#sidecollect">收藏问题</span>
  {% include "topic/collect.html" %}
  {% endif %}
</ul>
{% endif %}