# 装饰action
@bp.route('/reply/<int:reply_id>/ban')
@admin_permission
def ban_reply(reply_id):
    """Proc: ban reply"""
    reply = Reply.query.get_or_404(reply_id)
    reply.ban = True
    reply.baned = datetime.datetime.now()
    db.session.add(reply)
    db.session.commit()
    flash('已将此回复移入回收站')
    return redirect(url_for('.topic', topic_id=reply.topic_id))


# 在action中使用
@bp.route('/attachment/delete', methods=['POST'])
def delete_attachment():
    attachment_id = request.form.get('attachment_id')
    permission = AttachmentOwnerPermission(attachment_id)
    if not permission.check():
        return permission.deny()
    attachment = Attachment.query.get_or_404(attachment_id)
    db.session.delete(attachment)
    db.session.commit()
    return json.dumps({'result': 'ok'})


# 用于jinja模板
@app.context_processor
def inject_vars():
    from . import roles, permissions
    return dict(
        roles=roles,
        permissions=permissions
    )
"""
{% if permissions.TopicOwnerPermission(topic.id).check() %}
   <div class="btn-group btn-group-xs">
      <a class="btn btn-default btn-ban-topic"
         href="{{ url_for('forum.ban_topic', topic_id=topic.id) }}" title="移入回收站">
         <i class="fa fa-trash-o"></i>
      </a>
      <a class="btn btn-default"
         href="{{ url_for('forum.edit_topic', topic_id=topic.id) }}" title="编辑">
         <i class="fa fa-pencil"></i>
      </a>
   </div>
{% endif %}
"""