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modules/purchase_price_list/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, fields
+from trytond.modules.company.model import CompanyValueMixin
+from trytond.pool import PoolMeta
+from trytond.pyson import Eval
+
+
+class Party(metaclass=PoolMeta):
+    __name__ = 'party.party'
+    purchase_price_list = fields.MultiValue(fields.Many2One(
+            'product.price_list', "Purchase Price List",
+            domain=[
+                ('company', '=', Eval('context', {}).get('company', -1)),
+                ],
+            states={
+                'invisible': ~Eval('context', {}).get('company'),
+                },
+            help="The price list for new purchases."))
+    purchase_price_lists = fields.One2Many(
+        'party.party.purchase_price_list', 'party', "Purchase Price Lists")
+
+
+class PartyPurchasePriceList(ModelSQL, CompanyValueMixin):
+    __name__ = 'party.party.purchase_price_list'
+
+    party = fields.Many2One(
+        'party.party', "Party", ondelete='CASCADE',
+        context={
+            'company': Eval('company', -1),
+            },
+        depends={'company'})
+    purchase_price_list = fields.Many2One(
+        'product.price_list', "Purchase Price List", ondelete='RESTRICT',
+        domain=[
+            ('company', '=', Eval('company', -1)),
+            ])