first commit

modules/sale_shipment_tolerance/configuration.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
+
+sale_under_shipment_tolerance = fields.Float(
+    "Sale Under Shipment Tolerance",
+    help="The lower quantity accepted in percentage.")
+sale_over_shipment_tolerance = fields.Float(
+    "Sale Over Shipment Tolerance",
+    help="The upper quantity accepted in percentage.")
+
+
+def default_func(field_name):
+    @classmethod
+    def default(cls, **pattern):
+        return getattr(
+            cls.multivalue_model(field_name),
+            'default_%s' % field_name, lambda: None)()
+    return default
+
+
+class Configuration(metaclass=PoolMeta):
+    __name__ = 'sale.configuration'
+
+    sale_under_shipment_tolerance = fields.MultiValue(
+        sale_under_shipment_tolerance)
+    sale_over_shipment_tolerance = fields.MultiValue(
+        sale_over_shipment_tolerance)
+
+    @classmethod
+    def multivalue_model(cls, field):
+        pool = Pool()
+        if field in {
+                'sale_under_shipment_tolerance',
+                'sale_over_shipment_tolerance'}:
+            return pool.get('sale.configuration.shipment_tolerance')
+        return super().multivalue_model(field)
+
+    default_sale_under_shipment_tolerance = default_func(
+        'sale_under_shipment_tolerance')
+    default_sale_over_shipment_tolerance = default_func(
+        'sale_over_shipment_tolerance')
+
+
+class ConfigurationShipmentTolerance(ModelSQL, ValueMixin):
+    __name__ = 'sale.configuration.shipment_tolerance'
+    sale_under_shipment_tolerance = sale_under_shipment_tolerance
+    sale_over_shipment_tolerance = sale_over_shipment_tolerance
+
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls.sale_under_shipment_tolerance.domain = [
+            'OR',
+            ('sale_under_shipment_tolerance', '=', None),
+            [
+                ('sale_under_shipment_tolerance', '>=', 0),
+                ('sale_under_shipment_tolerance', '<=', 1),
+                ]]
+        cls.sale_over_shipment_tolerance.domain = [
+            'OR',
+            ('sale_over_shipment_tolerance', '=', None),
+            ('sale_over_shipment_tolerance', '>=', 1),
+            ]
+
+    @classmethod
+    def default_sale_under_shipment_tolerance(cls):
+        return 1
+
+    @classmethod
+    def default_sale_over_shipment_tolerance(cls):
+        return None