mirror of
https://gitlab.com/datalifeit/trytond-sale_product_customer
synced 2023-12-14 04:22:56 +01:00
62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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from trytond.model import fields
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from trytond.pool import PoolMeta
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from trytond.pyson import If, Bool, Eval
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class Line(metaclass=PoolMeta):
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__name__ = 'sale.line'
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product_customer = fields.Many2One(
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'sale.product_customer', "Customer's Product",
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ondelete='RESTRICT',
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domain=[
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If(Bool(Eval('product')),
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['OR',
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[
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('template.products', '=', Eval('product')),
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('product', '=', None),
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],
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('product', '=', Eval('product')),
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],
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[]),
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('party', '=', Eval('_parent_sale', {}).get('party')),
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],
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states={
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'invisible': Eval('type') != 'line',
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'readonly': Eval('sale_state') != 'draft',
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},
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depends=['product', 'type', 'sale_state'])
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@fields.depends('sale', '_parent_sale.party')
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def _get_product_customer_pattern(self):
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return {
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'party': self.sale.party.id if self.sale.party else -1,
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}
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@fields.depends('product', 'product_customer',
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methods=['_get_product_customer_pattern'])
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def on_change_product(self):
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super().on_change_product()
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if not self.product:
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return
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product_customers = list(self.product.product_customer_used(
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**self._get_product_customer_pattern()))
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if len(product_customers) == 1:
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self.product_customer, = product_customers
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elif (self.product_customer
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and self.product_customer not in product_customers):
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self.product_customer = None
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@fields.depends('product', 'product_customer',
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methods=['on_change_product'])
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def on_change_product_customer(self):
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if self.product_customer:
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if self.product_customer.product:
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self.product = self.product_customer.product
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elif not self.product:
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if len(self.product_customer.template.products) == 1:
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self.product, = self.product_customer.template.products
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self.on_change_product()
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