Added autocomplete for Proposal

representatives_votes/autocompletes.py

+from dal import autocomplete
+
+from django.db.models import Q
+
+from models import Proposal
+
+
+class ProposalAutocomplete(autocomplete.Select2QuerySetView):
+    def get_queryset(self):
+        qs = Proposal.objects.all()
+
+        if self.q:
+            qs = qs.filter(
+                Q(dossier__title__icontains=self.q) |
+                Q(title__icontains=self.q) |
+                Q(reference__icontains=self.q)
+            )
+
+        return qs

representatives_votes/urls.py

+from django.conf import settings
 from django.conf.urls import url
 
 import views
@@ -14,3 +15,14 @@ urlpatterns = [
         name='dossier-list'
     ),
 ]
+
+if 'dal_select2' in settings.INSTALLED_APPS:
+    from autocompletes import ProposalAutocomplete  # noqa
+
+    urlpatterns.append(
+        url(
+            'autocomplete/proposal/$',
+            ProposalAutocomplete.as_view(),
+            name='proposal-autocomplete',
+        ),
+    )