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

223 lines
7.5 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.
from trytond.model import ModelSQL, ModelView, fields, sequence_ordered
from trytond.pool import Pool, PoolMeta
from trytond.pyson import Bool, Eval, Or
from trytond.tools import grouped_slice
class Category(metaclass=PoolMeta):
__name__ = 'product.category'
customs = fields.Boolean(
"Customs",
states={
'readonly': Bool(Eval('childs', [0])) | Bool(Eval('parent')),
})
tariff_codes_parent = fields.Boolean("Use Parent's Tariff Codes",
states={
'invisible': ~Eval('customs', False),
},
help='Use the tariff codes defined on the parent category.')
tariff_codes = fields.One2Many('product-customs.tariff.code',
'product', "Tariff Codes",
order=[
('sequence', 'ASC NULLS FIRST'),
('id', 'ASC'),
],
states={
'invisible': (Eval('tariff_codes_parent', False)
| ~Eval('customs', False)),
})
@classmethod
def __setup__(cls):
super().__setup__()
cls.parent.domain = [
('customs', '=', Eval('customs', False)),
cls.parent.domain or []]
cls.parent.states['required'] = Or(
cls.parent.states.get('required', False),
Eval('tariff_codes_parent', False))
@classmethod
def default_customs(cls):
return False
@classmethod
def default_tariff_codes_parent(cls):
return False
@fields.depends('parent', '_parent_parent.customs', 'customs')
def on_change_with_customs(self):
if self.parent:
return self.parent.customs
return self.customs
def get_tariff_codes(self, pattern):
if not self.tariff_codes_parent:
for link in self.tariff_codes:
if link.tariff_code.match(pattern):
yield link.tariff_code
else:
yield from self.parent.get_tariff_codes(pattern)
def get_tariff_code(self, pattern):
try:
return next(self.get_tariff_codes(pattern))
except StopIteration:
pass
@classmethod
def view_attributes(cls):
return super().view_attributes() + [
('/form/notebook/page[@id="customs"]', 'states', {
'invisible': ~Eval('customs', False),
}),
]
@classmethod
def on_delete(cls, categories):
pool = Pool()
Product_TariffCode = pool.get('product-customs.tariff.code')
callback = super().on_delete(categories)
product_tariffcodes = set()
products = [str(t) for t in categories]
for products in grouped_slice(products):
product_tariffcodes.update(Product_TariffCode.search([
'product', 'in', list(products),
]))
if product_tariffcodes:
product_tariffcodes = Product_TariffCode.browse(
product_tariffcodes)
callback.append(
lambda: Product_TariffCode.delete(product_tariffcodes))
return callback
class Template(metaclass=PoolMeta):
__name__ = 'product.template'
customs_category = fields.Many2One('product.category', 'Customs Category',
domain=[
('customs', '=', True),
],
states={
'required': Eval('tariff_codes_category', False),
})
tariff_codes_category = fields.Boolean("Use Category's Tariff Codes",
help='Use the tariff codes defined on the category.')
tariff_codes = fields.One2Many('product-customs.tariff.code',
'product', "Tariff Codes",
order=[
('sequence', 'ASC NULLS FIRST'),
('id', 'ASC'),
],
states={
'invisible': ((Eval('type') == 'service')
| Eval('tariff_codes_category', False)),
})
country_of_origin = fields.Many2One(
'country.country', "Country",
states={
'invisible': Eval('type') == 'service',
},
help="The country of origin of the product.")
@classmethod
def default_tariff_codes_category(cls):
return False
def get_tariff_codes(self, pattern):
if not self.tariff_codes_category:
for link in self.tariff_codes:
if link.tariff_code.match(pattern):
yield link.tariff_code
else:
yield from self.customs_category.get_tariff_codes(pattern)
def get_tariff_code(self, pattern):
try:
return next(self.get_tariff_codes(pattern))
except StopIteration:
pass
@classmethod
def view_attributes(cls):
return super().view_attributes() + [
('//page[@id="customs"]', 'states', {
'invisible': Eval('type') == 'service',
}),
]
@classmethod
def on_delete(cls, templates):
pool = Pool()
Product_TariffCode = pool.get('product-customs.tariff.code')
callback = super().on_delete(templates)
product_tariffcodes = set()
products = [str(t) for t in templates]
for products in grouped_slice(products):
product_tariffcodes.update(Product_TariffCode.search([
'product', 'in', list(products),
]))
if product_tariffcodes:
product_tariffcodes = Product_TariffCode.browse(
product_tariffcodes)
callback.append(
lambda: Product_TariffCode.delete(product_tariffcodes))
return callback
class Product_TariffCode(sequence_ordered(), ModelSQL, ModelView):
__name__ = 'product-customs.tariff.code'
product = fields.Reference('Product', selection=[
('product.template', 'Template'),
('product.category', 'Category'),
], required=True)
tariff_code = fields.Many2One('customs.tariff.code', 'Tariff Code',
required=True, ondelete='CASCADE')
country = fields.Function(
fields.Many2One('country.country', "Country"), 'get_tariff_code_field')
organization = fields.Function(
fields.Many2One('country.organization', "Organization"),
'get_tariff_code_field')
start_day = fields.Function(
fields.Integer("Start Day"), 'get_tariff_code_field')
start_month = fields.Function(
fields.Many2One('ir.calendar.month', "Start Month"),
'get_tariff_code_field')
end_day = fields.Function(
fields.Integer("End Day"), 'get_tariff_code_field')
end_month = fields.Function(
fields.Many2One('ir.calendar.month', "End Month"),
'get_tariff_code_field')
def get_tariff_code_field(self, name):
field = getattr(self.__class__, name)
value = getattr(self.tariff_code, name, None)
if isinstance(value, ModelSQL):
if field._type == 'reference':
return str(value)
return value.id
return value
def get_rec_name(self, name):
return self.tariff_code.rec_name
@classmethod
def search_rec_name(cls, name, clause):
return [('tariff_code.rec_name',) + tuple(clause[1:])]
class Product(metaclass=PoolMeta):
__name__ = 'product.product'
def get_tariff_codes(self, pattern):
yield from self.template.get_tariff_codes(pattern)
def get_tariff_code(self, pattern):
return self.template.get_tariff_code(pattern)