<div class="interaction">
    {% if activity.favorites.all %}
    <span>
    {{ activity.favorites.count }} like(s)
    </span>
    {% endif %}
    <form name="favorite" action="/favorite/{{ activity.id }}" method="post">
        {% csrf_token %}
        <button>⭐️ Like</button>
    </form>
    <form name="comment" action="/comment" method="post">
        {% csrf_token %}
        <input type="hidden" name="parent" value="{{ activity.id }}"></input>
        {{ comment_form.content }}
        <button type="submit">Comment</button>
    </form>
</div>