first commit

modules/sale_product_quantity/product.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 decimal import Decimal
+
+from trytond.model import fields
+from trytond.pool import Pool, PoolMeta
+from trytond.pyson import Eval
+
+
+class Template(metaclass=PoolMeta):
+    __name__ = 'product.template'
+
+    sale_quantity_minimal = fields.Float(
+        "Sale Minimal Quantity",
+        digits=(None, Eval('sale_quantity_digits', None)),
+        states={
+            'invisible': ~Eval('salable', False),
+            },
+        domain=['OR',
+            ('sale_quantity_minimal', '=', None),
+            ('sale_quantity_minimal', '>', 0),
+            ])
+    sale_quantity_rounding = fields.Float(
+        "Sale Rounding Quantity",
+        digits=(None, Eval('sale_quantity_digits', None)),
+        states={
+            'invisible': ~Eval('salable', False),
+            },
+        domain=['OR',
+            ('sale_quantity_rounding', '=', None),
+            ('sale_quantity_rounding', '>', 0),
+            ])
+    sale_quantity_digits = fields.Function(
+        fields.Integer("Sale Quantity Digits"),
+        'on_change_with_sale_quantity_digits')
+
+    @fields.depends('default_uom', 'sale_uom')
+    def on_change_with_sale_quantity_digits(self, name=None):
+        pool = Pool()
+        Uom = pool.get('product.uom')
+        if self.default_uom:
+            rounding = self.default_uom.rounding
+            if self.sale_uom:
+                rounding = Uom.compute_qty(
+                    self.default_uom, rounding, self.sale_uom, round=False)
+            return -Decimal(str(rounding)).as_tuple().exponent
+
+
+class Product(metaclass=PoolMeta):
+    __name__ = 'product.product'