[longplay] Add ability to undo finishes

vrobbler/templates/books/book_detail.html

@@ -36,7 +36,6 @@
     <p>{{scrobbles.count}} scrobbles</p>
 
     <p><a href="{{object.resume_start_url}}">Resume reading</a></p>
-    <p><a class="btn btn-sm btn-warning" href="{{object.get_longplay_finish_url}}">Finish long play</a></p>
 </div>
 {% if charts %}
 <div class="row">
@@ -62,7 +61,7 @@
                     {% for scrobble in scrobbles.all|dictsortreversed:"timestamp" %}
                     <tr>
                         <td><a href="{{scrobble.get_absolute_url}}">{{scrobble.local_timestamp}}</a></td>
-                        <td>{% if scrobble.long_play_complete == True %}Yes{% else %}No{% endif %}</td>
+                        <td>{% if scrobble.long_play_complete == True %}Yes <small><a href="{% url 'scrobbles:longplay-finish' uuid=scrobble.uuid %}">(not complete?)</a></small>{% else %}<a href="{% url 'scrobbles:longplay-finish' uuid=scrobble.uuid %}">No</a>{% endif %}</td>
                         <td>{% if scrobble.in_progress %}Now reading{% else %}{{scrobble.session_pages_read}}{% endif %}</td>
                         <td>{% for author in scrobble.book.authors.all %}<a href="{{author.get_absolute_url}}">{{author}}</a>{% if not forloop.last %}, {% endif %}{% endfor %}</td>
                     </tr>