+ <form method="POST" action="{% url 'book_youtube_volume' audiobook.id %}">
+ {% csrf_token %}
+ <input name='volume' value="{{ audiobook.youtube_volume }}" class="form-control">
+ </form>
+ </td>
+ <td>
+ {% if audiobook.youtube_volume %}
+ {{ audiobook.total|duration }}
+ {% else %}
+ <small class="text-secondary">{{ audiobook.subtotal|duration }}</small>
+ {% endif %}
+ </td>
+ <td>
+ {{ audiobook.duration|duration }}