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

442 lines
15 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 functools import wraps
from sql import Null
from trytond import backend
from trytond.i18n import gettext
from trytond.model import ModelSQL, fields
from trytond.modules.company.model import (
CompanyMultiValueMixin, CompanyValueMixin)
from trytond.pool import Pool, PoolMeta
from trytond.pyson import Bool, Eval, Or
from trytond.transaction import Transaction
from .exceptions import AccountError, TaxError
def account_used(field_name, field_string=None):
def decorator(func):
@wraps(func)
def wrapper(self):
account = func(self)
if not account:
account = self.get_account(field_name + '_used')
# Allow empty values on on_change
if not account and not Transaction().readonly:
Model = self.__class__
field = field_name
if field_string:
if getattr(self, field_string, None):
Model = getattr(self, field_string).__class__
else:
field = field_string
field = (
Model.fields_get([field])[field]['string'])
raise AccountError(
gettext('account_product.msg_missing_account',
field=field,
name=self.rec_name))
if account:
return account.current()
return wrapper
return decorator
def template_property(field_name):
@property
@fields.depends('template')
def prop(self):
return getattr(self.template, field_name)
return prop
class Category(CompanyMultiValueMixin, metaclass=PoolMeta):
__name__ = 'product.category'
accounting = fields.Boolean(
"Accounting",
states={
'readonly': Bool(Eval('childs', [0])) | Bool(Eval('parent')),
},
help="Check to indicate the category is used for accounting.")
account_parent = fields.Boolean('Use Parent\'s accounts',
states={
'invisible': ~Eval('accounting', False),
},
help="Use the accounts defined on the parent category.")
accounts = fields.One2Many(
'product.category.account', 'category', "Accounts")
account_expense = fields.MultiValue(fields.Many2One('account.account',
'Account Expense', domain=[
('closed', '!=', True),
('type.expense', '=', True),
('company', '=', Eval('context', {}).get('company', -1)),
],
states={
'invisible': (~Eval('context', {}).get('company')
| Eval('account_parent')
| ~Eval('accounting', False)),
}))
account_revenue = fields.MultiValue(fields.Many2One('account.account',
'Account Revenue', domain=[
('closed', '!=', True),
('type.revenue', '=', True),
('company', '=', Eval('context', {}).get('company', -1)),
],
states={
'invisible': (~Eval('context', {}).get('company')
| Eval('account_parent')
| ~Eval('accounting', False)),
}))
taxes_parent = fields.Boolean('Use the Parent\'s Taxes',
states={
'invisible': ~Eval('accounting', False),
},
help="Use the taxes defined on the parent category.")
customer_taxes = fields.Many2Many('product.category-customer-account.tax',
'category', 'tax', 'Customer Taxes',
order=[('tax.sequence', 'ASC'), ('tax.id', 'ASC')],
domain=[('parent', '=', None), ['OR',
('group', '=', None),
('group.kind', 'in', ['sale', 'both'])],
],
states={
'invisible': (~Eval('context', {}).get('company')
| Eval('taxes_parent')
| ~Eval('accounting', False)),
},
help="The taxes to apply when selling products of this category.")
supplier_taxes = fields.Many2Many('product.category-supplier-account.tax',
'category', 'tax', 'Supplier Taxes',
order=[('tax.sequence', 'ASC'), ('tax.id', 'ASC')],
domain=[('parent', '=', None), ['OR',
('group', '=', None),
('group.kind', 'in', ['purchase', 'both'])],
],
states={
'invisible': (~Eval('context', {}).get('company')
| Eval('taxes_parent')
| ~Eval('accounting', False)),
},
help="The taxes to apply when purchasing products of this category.")
supplier_taxes_deductible_rate = fields.Numeric(
"Supplier Taxes Deductible Rate", digits=(None, 10),
domain=[
('supplier_taxes_deductible_rate', '>=', 0),
('supplier_taxes_deductible_rate', '<=', 1),
],
states={
'invisible': (
Eval('taxes_parent') | ~Eval('accounting', False)),
})
customer_taxes_used = fields.Function(fields.Many2Many(
'account.tax', None, None, "Customer Taxes Used"), 'get_taxes')
supplier_taxes_used = fields.Function(fields.Many2Many(
'account.tax', None, None, "Supplier Taxes Used"), 'get_taxes')
accounting_templates = fields.One2Many(
'product.template', 'account_category', "Accounting Products",
states={
'invisible': ~Eval('accounting', False),
},
help="The products for which the accounting category applies.")
@classmethod
def __setup__(cls):
super().__setup__()
cls.parent.domain = [
('accounting', '=', Eval('accounting', False)),
cls.parent.domain or []]
cls.parent.states['required'] = Or(
cls.parent.states.get('required', False),
Eval('account_parent', False) | Eval('taxes_parent', False))
@classmethod
def multivalue_model(cls, field):
pool = Pool()
if field in {'account_expense', 'account_revenue'}:
return pool.get('product.category.account')
return super().multivalue_model(field)
@classmethod
def default_accounting(cls):
return False
@classmethod
def default_account_expense(cls, **pattern):
pool = Pool()
Configuration = pool.get('account.configuration')
config = Configuration(1)
account = config.get_multivalue(
'default_category_account_expense', **pattern)
return account.id if account else None
@classmethod
def default_account_revenue(cls, **pattern):
pool = Pool()
Configuration = pool.get('account.configuration')
config = Configuration(1)
account = config.get_multivalue(
'default_category_account_revenue', **pattern)
return account.id if account else None
@classmethod
def default_supplier_taxes_deductible_rate(cls):
return 1
def get_account(self, name, **pattern):
if self.account_parent:
return self.parent.get_account(name, **pattern)
else:
transaction = Transaction()
with transaction.reset_context(), \
transaction.set_context(self._context):
return self.get_multivalue(name[:-5], **pattern)
def get_taxes(self, name):
company = Transaction().context.get('company')
if self.taxes_parent:
return [x.id for x in getattr(self.parent, name)]
else:
return [x.id for x in getattr(self, name[:-5])
if x.company.id == company]
@fields.depends('parent', '_parent_parent.accounting', 'accounting')
def on_change_with_accounting(self):
if self.parent:
return self.parent.accounting
return self.accounting
@fields.depends(
'accounting',
'account_parent', 'account_expense', 'account_revenue',
'taxes_parent', 'customer_taxes', 'supplier_taxes')
def on_change_accounting(self):
if not self.accounting:
self.account_parent = None
self.account_expense = None
self.account_revenue = None
self.taxes_parent = None
self.customer_taxes = None
self.supplier_taxes = None
@fields.depends('account_expense', 'supplier_taxes')
def on_change_account_expense(self):
if self.account_expense:
self.supplier_taxes = self.account_expense.taxes
else:
self.supplier_taxes = []
@fields.depends('account_revenue', 'customer_taxes')
def on_change_account_revenue(self):
if self.account_revenue:
self.customer_taxes = self.account_revenue.taxes
else:
self.customer_taxes = []
@classmethod
def view_attributes(cls):
return super().view_attributes() + [
('/form/notebook/page[@id="accounting"]', 'states', {
'invisible': ~Eval('accounting', False),
}),
]
@property
@account_used('account_expense')
def account_expense_used(self):
pass
@property
@account_used('account_revenue')
def account_revenue_used(self):
pass
@property
def supplier_taxes_deductible_rate_used(self):
if self.taxes_parent:
return self.parent.supplier_taxes_deductible_rate_used
else:
return self.supplier_taxes_deductible_rate
class CategoryAccount(ModelSQL, CompanyValueMixin):
__name__ = 'product.category.account'
category = fields.Many2One(
'product.category', "Category", ondelete='CASCADE',
context={
'company': Eval('company', -1),
},
depends={'company'})
account_expense = fields.Many2One(
'account.account', "Account Expense",
domain=[
('type.expense', '=', True),
('company', '=', Eval('company', -1)),
])
account_revenue = fields.Many2One(
'account.account', "Account Revenue",
domain=[
('type.revenue', '=', True),
('company', '=', Eval('company', -1)),
])
class CategoryCustomerTax(ModelSQL):
__name__ = 'product.category-customer-account.tax'
category = fields.Many2One(
'product.category', "Category", ondelete='CASCADE', required=True)
tax = fields.Many2One('account.tax', 'Tax', ondelete='RESTRICT',
required=True)
@classmethod
def __setup__(cls):
super().__setup__()
cls.__access__.add('tax')
@classmethod
def __register__(cls, module):
# Migration from 7.0: rename to standard name
backend.TableHandler.table_rename(
'product_category_customer_taxes_rel', cls._table)
super().__register__(module)
class CategorySupplierTax(ModelSQL):
__name__ = 'product.category-supplier-account.tax'
category = fields.Many2One(
'product.category', "Category", ondelete='CASCADE', required=True)
tax = fields.Many2One('account.tax', 'Tax', ondelete='RESTRICT',
required=True)
@classmethod
def __setup__(cls):
super().__setup__()
cls.__access__.add('tax')
@classmethod
def __register__(cls, module):
# Migration from 7.0: rename to standard name
backend.TableHandler.table_rename(
'product_category_supplier_taxes_rel', cls._table)
super().__register__(module)
class Template(CompanyMultiValueMixin, metaclass=PoolMeta):
__name__ = 'product.template'
account_category = fields.Many2One('product.category', 'Account Category',
domain=[
('accounting', '=', True),
])
@fields.depends('account_category')
def get_account(self, name, **pattern):
if self.account_category:
return self.account_category.get_account(name, **pattern)
@fields.depends('account_category')
def get_taxes(self, name):
if self.account_category:
return getattr(self.account_category, name)
@property
@fields.depends('account_category', methods=['get_account'])
@account_used('account_expense', 'account_category')
def account_expense_used(self):
pass
@property
@fields.depends('account_category', methods=['get_account'])
@account_used('account_revenue', 'account_category')
def account_revenue_used(self):
pass
@property
@fields.depends(methods=['get_taxes', 'account_revenue_used'])
def customer_taxes_used(self):
taxes = self.get_taxes('customer_taxes_used')
if taxes is None:
account = self.account_revenue_used
if account:
taxes = account.taxes
if taxes is None:
# Allow empty values on on_change
if Transaction().readonly:
taxes = []
else:
raise TaxError(
gettext('account_product.msg_missing_taxes',
name=self.rec_name))
return taxes
@property
@fields.depends(methods=['get_taxes', 'account_expense_used'])
def supplier_taxes_used(self):
taxes = self.get_taxes('supplier_taxes_used')
if taxes is None:
account = self.account_expense_used
if account:
taxes = account.taxes
if taxes is None:
# Allow empty values on on_change
if Transaction().readonly:
taxes = []
else:
raise TaxError(
gettext('account_product.msg_missing_taxes',
name=self.rec_name))
return taxes
@property
@fields.depends(methods=['get_taxes'])
def supplier_taxes_deductible_rate_used(self):
return self.get_taxes('supplier_taxes_deductible_rate_used')
@classmethod
def copy(cls, templates, default=None):
default = default.copy() if default else {}
if Transaction().check_access:
default.setdefault(
'account_category',
cls.default_get(
['account_category'],
with_rec_name=False).get('account_category'))
return super().copy(templates, default=default)
class Product(metaclass=PoolMeta):
__name__ = 'product.product'
account_expense_used = template_property('account_expense_used')
account_revenue_used = template_property('account_revenue_used')
customer_taxes_used = template_property('customer_taxes_used')
supplier_taxes_used = template_property('supplier_taxes_used')
supplier_taxes_deductible_rate_used = template_property(
'supplier_taxes_deductible_rate_used')
class TemplateAccountCategory(ModelSQL):
__name__ = 'product.template-product.category.account'
template = fields.Many2One('product.template', 'Template')
category = fields.Many2One('product.category', 'Category')
@classmethod
def table_query(cls):
pool = Pool()
Template = pool.get('product.template')
template = Template.__table__()
return template.select(
template.id.as_('id'),
template.id.as_('template'),
template.account_category.as_('category'),
where=template.account_category != Null)
class TemplateCategoryAll(metaclass=PoolMeta):
__name__ = 'product.template-product.category.all'
@classmethod
def union_models(cls):
return super().union_models() + [
'product.template-product.category.account']