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modules/account_dunning/party.py

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+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+from trytond.model import ModelSQL, ValueMixin, fields
+from trytond.pool import Pool, PoolMeta
+
+dunning_procedure = fields.Many2One(
+    'account.dunning.procedure', "Dunning Procedure", ondelete='RESTRICT')
+
+
+class Party(metaclass=PoolMeta):
+    __name__ = 'party.party'
+    dunning_procedure = fields.MultiValue(dunning_procedure)
+    dunning_procedures = fields.One2Many(
+        'party.party.dunning_procedure', 'party', "Dunning Procedures")
+
+    @classmethod
+    def default_dunning_procedure(cls, **pattern):
+        pool = Pool()
+        Configuration = pool.get('account.configuration')
+        config = Configuration(1)
+        dunning_procedure = config.get_multivalue(
+            'default_dunning_procedure', **pattern)
+        return dunning_procedure.id if dunning_procedure else None
+
+
+class PartyDunningProcedure(ModelSQL, ValueMixin):
+    __name__ = 'party.party.dunning_procedure'
+    party = fields.Many2One(
+        'party.party', "Party", ondelete='CASCADE')
+    dunning_procedure = dunning_procedure