Add trigger to update Whoosh index on User update

core/search_indexes.py

@@ -1,4 +1,6 @@
-from haystack import indexes
+from django.db import models
+
+from haystack import indexes, signals
 
 from core.models import User
 
@@ -15,3 +17,15 @@ class UserIndex(indexes.SearchIndex, indexes.Indexable):
 
     def get_updated_field(self):
         return "last_update"
+
+
+class UserOnlySignalProcessor(signals.BaseSignalProcessor):
+    def setup(self):
+        # Listen only to the ``User`` model.
+        models.signals.post_save.connect(self.handle_save, sender=User)
+        models.signals.post_delete.connect(self.handle_delete, sender=User)
+
+    def teardown(self):
+        # Disconnect only for the ``User`` model.
+        models.signals.post_save.disconnect(self.handle_save, sender=User)
+        models.signals.post_delete.disconnect(self.handle_delete, sender=User)

sith/settings.py

@@ -153,6 +153,8 @@ HAYSTACK_CONNECTIONS = {
             },
         }
 
+HAYSTACK_SIGNAL_PROCESSOR = 'core.search_indexes.UserOnlySignalProcessor'
+
 WSGI_APPLICATION = 'sith.wsgi.application'