filter topic by vote status

proposals/forms.py

@@ -55,6 +55,7 @@ class TalkFilterForm(forms.Form):
             widget=forms.CheckboxSelectMultiple,
             choices=[],
     )
+    vote = forms.NullBooleanField(help_text='Filter topics you already / not yet voted for')
 
     def __init__(self, *args, **kwargs):
         site = kwargs.pop('site')

proposals/templates/proposals/talk_list.html

@@ -21,6 +21,7 @@
                 </div>
                 <div class="col-md-4 col-xs-6">
                     {% bootstrap_field filter_form.status layout="horizontal" %}
+                    {% bootstrap_field filter_form.vote layout="horizontal" %}
                 </div>
                 <div class="col-md-4 col-xs-6">
                     {% bootstrap_field filter_form.topic layout="horizontal" %}

proposals/views.py

@@ -77,6 +77,11 @@ def talk_list(request):
         if len(data['topic']):
             show_filters = True
             talks = talks.filter(reduce(lambda x, y: x | y, [Q(topics__slug=topic) for topic in data['topic']]))
+        if data['vote'] != None:
+            if data['vote']:
+                talks = talks.filter(vote__user=request.user)
+            else:
+                talks = talks.exclude(vote__user=request.user)
     # Sorting
     if request.GET.get('order') == 'desc':
         reverse = True