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tradon/modules/sale/product.py
2026-03-14 09:42:12 +00:00

282 lines
9.2 KiB
Python

# This file is part of Tryton. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
import datetime
from sql import Null
from trytond.model import ModelSQL, ModelView, ValueMixin, fields
from trytond.modules.currency.fields import Monetary
from trytond.modules.product import price_digits, round_price
from trytond.pool import Pool, PoolMeta
from trytond.pyson import Eval, TimeDelta
from trytond.transaction import Transaction
default_lead_time = fields.TimeDelta(
"Default Lead Time",
domain=['OR',
('default_lead_time', '=', None),
('default_lead_time', '>=', TimeDelta()),
],
help="The time from confirming the sales order to sending the "
"products.\n"
"Used for products without a lead time.")
class Configuration(metaclass=PoolMeta):
__name__ = 'product.configuration'
default_lead_time = fields.MultiValue(default_lead_time)
class DefaultLeadTime(ModelSQL, ValueMixin):
__name__ = 'product.configuration.default_lead_time'
default_lead_time = default_lead_time
class Template(metaclass=PoolMeta):
__name__ = 'product.template'
salable = fields.Boolean("Salable")
sale_uom = fields.Many2One(
'product.uom', "Sale UoM",
states={
'invisible': ~Eval('salable', False),
'required': Eval('salable', False),
},
domain=[
('category', '=', Eval('default_uom_category', -1)),
],
help="The default Unit of Measure for sales.")
lead_time = fields.MultiValue(fields.TimeDelta(
"Lead Time",
domain=['OR',
('lead_time', '=', None),
('lead_time', '>=', TimeDelta()),
],
states={
'invisible': ~Eval('salable', False),
},
help="The time from confirming the sales order to sending the "
"products.\n"
"If empty the default lead time from the configuration is used."))
lead_times = fields.One2Many(
'product.lead_time', 'template', "Lead Times")
@classmethod
def multivalue_model(cls, field):
pool = Pool()
if field == 'lead_time':
return pool.get('product.lead_time')
return super().multivalue_model(field)
@fields.depends('default_uom', 'sale_uom', 'salable')
def on_change_default_uom(self):
try:
super().on_change_default_uom()
except AttributeError:
pass
if self.default_uom:
if self.sale_uom:
if self.default_uom.category != self.sale_uom.category:
self.sale_uom = self.default_uom
else:
self.sale_uom = self.default_uom
@classmethod
def view_attributes(cls):
return super().view_attributes() + [
('//page[@id="customers"]', 'states', {
'invisible': ~Eval('salable'),
})]
class ProductLeadTime(ModelSQL, ValueMixin):
__name__ = 'product.lead_time'
template = fields.Many2One(
'product.template', "Template", ondelete='CASCADE')
lead_time = fields.TimeDelta(
"Lead Time",
domain=['OR',
('lead_time', '=', None),
('lead_time', '>=', TimeDelta()),
])
@classmethod
def __register__(cls, module_name):
pool = Pool()
Template = pool.get('product.template')
template = Template.__table__()
table = cls.__table__()
super().__register__(module_name)
cursor = Transaction().connection.cursor()
template_h = Template.__table_handler__(module_name)
if template_h.column_exist('lead_time'):
cursor.execute(*table.insert(
columns=[table.template, table.lead_time],
values=template.select(
template.id, template.lead_time,
where=template.lead_time != Null)))
template_h.drop_column('lead_time')
class Product(metaclass=PoolMeta):
__name__ = 'product.product'
sale_price_uom = fields.Function(Monetary(
"Sale Price", digits=price_digits), 'get_sale_price_uom')
@classmethod
def get_sale_price_uom(cls, products, name):
quantity = Transaction().context.get('quantity') or 0
return cls.get_sale_price(products, quantity=quantity)
def _get_sale_unit_price(self, quantity=0):
return self.list_price_used
@classmethod
def get_sale_price(cls, products, quantity=0):
'''
Return the sale price for products and quantity.
It uses if exists from the context:
uom: the unit of measure or the sale uom of the product
currency: the currency id for the returned price
'''
pool = Pool()
Uom = pool.get('product.uom')
Company = pool.get('company.company')
Currency = pool.get('currency.currency')
Date = pool.get('ir.date')
context = Transaction().context
prices = {}
assert len(products) == len(set(products)), "Duplicate products"
uom = None
if context.get('uom'):
uom = Uom(context['uom'])
currency = None
if context.get('currency'):
currency = Currency(context.get('currency'))
company = None
if context.get('company'):
company = Company(context['company'])
date = context.get('sale_date') or Date.today()
for product in products:
unit_price = product._get_sale_unit_price(quantity=quantity)
if unit_price is not None:
if uom and product.default_uom.category == uom.category:
unit_price = Uom.compute_price(
product.default_uom, unit_price, uom)
elif product.sale_uom:
unit_price = Uom.compute_price(
product.default_uom, unit_price, product.sale_uom)
if currency and company and unit_price is not None:
if company.currency != currency:
with Transaction().set_context(date=date):
unit_price = Currency.compute(
company.currency, unit_price,
currency, round=False)
if unit_price is not None:
unit_price = round_price(unit_price)
prices[product.id] = unit_price
return prices
@property
def lead_time_used(self):
pool = Pool()
Configuration = pool.get('product.configuration')
if self.lead_time is None:
with Transaction().set_context(self._context):
config = Configuration(1)
return config.get_multivalue('default_lead_time')
else:
return self.lead_time
def compute_shipping_date(self, date=None):
'''
Compute the shipping date at the given date
'''
Date = Pool().get('ir.date')
if not date:
with Transaction().set_context(context=self._context):
date = Date.today()
lead_time = self.lead_time_used
if lead_time is None:
return datetime.date.max
return date + lead_time
class SaleContext(ModelView):
__name__ = 'product.sale.context'
locations = fields.Many2Many(
'stock.location', None, None, "Warehouses",
domain=[('type', '=', 'warehouse')])
company = fields.Many2One('company.company', "Company")
currency = fields.Many2One('currency.currency', "Currency")
customer = fields.Many2One(
'party.party', "Customer",
context={
'company': Eval('company', -1),
},
depends={'company'})
sale_date = fields.Date("Sale Date")
quantity = fields.Float("Quantity")
stock_date_end = fields.Function(
fields.Date("Stock End Date"),
'on_change_with_stock_date_end')
@classmethod
def default_locations(cls):
pool = Pool()
Location = pool.get('stock.location')
context = Transaction().context
locations = context.get('locations')
if locations is None:
locations = []
warehouse = Location.get_default_warehouse()
if warehouse:
locations.append(warehouse)
return locations
@classmethod
def default_company(cls):
return Transaction().context.get('company')
@classmethod
def default_currency(cls):
pool = Pool()
Company = pool.get('company.company')
context = Transaction().context
currency = context.get('currency')
if currency is None:
company_id = cls.default_company()
if company_id is not None and company_id >= 0:
company = Company(company_id)
currency = company.currency.id
return currency
@classmethod
def default_customer(cls):
return Transaction().context.get('customer')
@classmethod
def default_sale_date(cls):
return Transaction().context.get('sale_date')
@classmethod
def default_quantity(cls):
return Transaction().context.get('quantity')
@fields.depends('sale_date')
def on_change_with_stock_date_end(self, name=None):
return self.sale_date