1 files changed, 41 insertions, 0 deletions
diff --git a/Mailman/database/model/rosterset.py b/Mailman/database/model/rosterset.py
new file mode 100644
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+++ b/Mailman/database/model/rosterset.py
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+# Copyright (C) 2006-2007 by the Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+
+from elixir import *
+from zope.interface import implements
+
+from Mailman.interfaces import IRosterSet
+
+ROSTER_KIND = 'Mailman.database.model.roster.Roster'
+
+
+
+# Internal implementation of roster sets for use with mailing lists.  These
+# are owned by the user storage.
+class RosterSet(Entity):
+    implements(IRosterSet)
+
+    has_field('name',   Unicode)
+    has_and_belongs_to_many('rosters', of_kind=ROSTER_KIND)
+
+    def add(self, roster):
+        if roster not in self.rosters:
+            self.rosters.append(roster)
+
+    def delete(self, roster):
+        if roster in self.rosters:
+            self.rosters.remove(roster)