Initial commit: Core packages

odoo-bringout-oca-ocb-mail/mail/models/bus_presence.py

@@ -0,0 +1,16 @@
+# -*- coding: utf-8 -*-
+
+from odoo import fields, models
+
+
+class BusPresence(models.Model):
+    _inherit = ['bus.presence']
+
+    guest_id = fields.Many2one('mail.guest', 'Guest', ondelete='cascade')
+
+    def init(self):
+        self.env.cr.execute("CREATE UNIQUE INDEX IF NOT EXISTS bus_presence_guest_unique ON %s (guest_id) WHERE guest_id IS NOT NULL" % self._table)
+
+    _sql_constraints = [
+        ("partner_or_guest_exists", "CHECK((user_id IS NOT NULL AND guest_id IS NULL) OR (user_id IS NULL AND guest_id IS NOT NULL))", "A bus presence must have a user or a guest."),
+    ]