Add support for "bulk-delete" of Person table

tailbone/views/master.py

@@ -1855,7 +1855,7 @@ class MasterView(View):
     def bulk_delete_objects(self, session, objects, progress=None):
 
         def delete(obj, i):
-            session.delete(obj)
+            self.delete_instance(obj)
             if i % 1000 == 0:
                 session.flush()
 
@@ -3142,10 +3142,14 @@ class MasterView(View):
         """
         Delete the instance, or mark it as deleted, or whatever you need to do.
         """
+        # note, we don't use self.Session here, in case we're being called from
+        # a separate (bulk-delete) thread
+        session = orm.object_session(instance)
+        session.delete(instance)
+
         # Flush immediately to force any pending integrity errors etc.; that
         # way we don't set flash message until we know we have success.
-        self.Session.delete(instance)
-        self.Session.flush()
+        session.flush()
 
     def get_after_delete_url(self, instance):
         """

tailbone/views/people.py

@@ -51,6 +51,7 @@ class PeopleView(MasterView):
     touchable = True
     has_versions = True
     supports_mobile = True
+    bulk_deletable = True
     manage_notes_from_profile_view = False
 
     grid_columns = [
@@ -146,6 +147,25 @@ class PeopleView(MasterView):
             return not bool(person.user and person.user.username == 'chuck')
         return True
 
+    def delete_instance(self, person):
+        """
+        Supplements the default logic as follows:
+
+        Any customer associations are first deleted for the person.  Once that
+        is complete, deletion continues as per usual.
+        """
+        session = orm.object_session(person)
+
+        # must explicitly remove all CustomerPerson records
+        for cp in list(person._customers):
+            customer = cp.customer
+            session.delete(cp)
+            # session.flush()
+            customer._people.reorder()
+
+        # continue with normal logic
+        super(PeopleView, self).delete_instance(person)
+
     def touch_instance(self, person):
         """
         Supplements the default logic as follows: