67 lines
2.3 KiB
Python
67 lines
2.3 KiB
Python
# The COPYRIGHT file at the top level of this repository contains the full
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# copyright notices and license terms.
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from decimal import Decimal
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from trytond.model import fields
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from trytond.pool import Pool, PoolMeta
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from trytond.transaction import Transaction
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from trytond.modules.product import round_price
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__all__ = ['PurchaseLine']
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class PurchaseLine(metaclass=PoolMeta):
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__name__ = 'purchase.line'
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def get_discount(self):
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pool = Pool()
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Uom = pool.get('product.uom')
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ProductSupplier = pool.get('purchase.product_supplier')
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ProductSupplierPrice = pool.get('purchase.product_supplier.price')
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context = Transaction().context
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if context.get('uom'):
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uom = Uom(context['uom'])
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else:
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uom = self.product.default_uom
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gross_unit_price = self.gross_unit_price
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unit_price = self.gross_unit_price
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discount = Decimal(0)
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with Transaction().set_context(self._get_context_purchase_price()):
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pattern = ProductSupplier.get_pattern()
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for product_supplier in self.product.product_suppliers_used():
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if product_supplier.match(pattern):
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pattern = ProductSupplierPrice.get_pattern()
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for price in product_supplier.prices:
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if price.match(self.quantity, uom, pattern):
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discount = price.discount or Decimal(0)
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gross_unit_price = price.gross_unit_price
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unit_price = price.unit_price
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break
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break
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gup_digits = self.__class__.gross_unit_price.digits[1]
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gross_unit_price = gross_unit_price.quantize(
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Decimal(str(10.0 ** -gup_digits)))
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unit_price = round_price(unit_price)
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self.gross_unit_price = gross_unit_price
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self.unit_price = unit_price
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self.discount = discount
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@fields.depends('discount')
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def on_change_quantity(self):
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super(PurchaseLine, self).on_change_quantity()
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if self.quantity and self.product:
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self.get_discount()
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@fields.depends('quantity', 'discount')
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def on_change_product(self):
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super(PurchaseLine, self).on_change_product()
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if self.quantity and self.product:
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self.get_discount()
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