Files
tradon/modules/account/tax.py
2025-12-26 13:11:43 +00:00

1944 lines
69 KiB
Python
Executable File

# 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 collections import namedtuple
from decimal import Decimal
from itertools import cycle, groupby
from sql import Literal
from sql.aggregate import Sum
from sql.conditionals import Case
from trytond import backend
from trytond.i18n import gettext
from trytond.model import (
DeactivableMixin, Index, MatchMixin, ModelSQL, ModelView, fields,
sequence_ordered, tree)
from trytond.model.exceptions import AccessError
from trytond.modules.currency.fields import Monetary
from trytond.pool import Pool
from trytond.pyson import Bool, Eval, If, PYSONEncoder
from trytond.tools import cursor_dict, is_full_text, lstrip_wildcard
from trytond.transaction import Transaction
from trytond.wizard import Button, StateAction, StateView, Wizard
from .common import ActivePeriodMixin, ContextCompanyMixin, PeriodMixin
from .exceptions import PeriodNotFoundError
KINDS = [
('sale', 'Sale'),
('purchase', 'Purchase'),
('both', 'Both'),
]
class TaxGroup(ModelSQL, ModelView):
'Tax Group'
__name__ = 'account.tax.group'
name = fields.Char('Name', size=None, required=True)
code = fields.Char('Code', size=None, required=True)
kind = fields.Selection(KINDS, 'Kind', required=True)
@staticmethod
def default_kind():
return 'both'
class TaxCodeTemplate(PeriodMixin, tree(), ModelSQL, ModelView):
'Tax Code Template'
__name__ = 'account.tax.code.template'
name = fields.Char('Name', required=True)
code = fields.Char('Code')
parent = fields.Many2One('account.tax.code.template', 'Parent')
lines = fields.One2Many('account.tax.code.line.template', 'code', "Lines")
childs = fields.One2Many('account.tax.code.template', 'parent', 'Children')
account = fields.Many2One('account.account.template', 'Account Template',
domain=[('parent', '=', None)], required=True)
description = fields.Text('Description')
@classmethod
def __setup__(cls):
super(TaxCodeTemplate, cls).__setup__()
cls._order.insert(0, ('code', 'ASC'))
cls._order.insert(0, ('account', 'ASC'))
def _get_tax_code_value(self, code=None):
'''
Set values for tax code creation.
'''
res = {}
if not code or code.name != self.name:
res['name'] = self.name
if not code or code.code != self.code:
res['code'] = self.code
if not code or code.start_date != self.start_date:
res['start_date'] = self.start_date
if not code or code.end_date != self.end_date:
res['end_date'] = self.end_date
if not code or code.description != self.description:
res['description'] = self.description
if not code or code.template.id != self.id:
res['template'] = self.id
return res
@classmethod
def create_tax_code(cls, account_id, company_id, template2tax_code=None):
'''
Create recursively tax codes based on template.
template2tax_code is a dictionary with tax code template id as key and
tax code id as value, used to convert template id into tax code. The
dictionary is filled with new tax codes.
'''
pool = Pool()
TaxCode = pool.get('account.tax.code')
if template2tax_code is None:
template2tax_code = {}
def create(templates):
values = []
created = []
for template in templates:
if template.id not in template2tax_code:
vals = template._get_tax_code_value()
vals['company'] = company_id
if template.parent:
vals['parent'] = template2tax_code[template.parent.id]
else:
vals['parent'] = None
values.append(vals)
created.append(template)
tax_codes = TaxCode.create(values)
for template, tax_code in zip(created, tax_codes):
template2tax_code[template.id] = tax_code.id
childs = cls.search([
('account', '=', account_id),
('parent', '=', None),
])
while childs:
create(childs)
childs = sum((c.childs for c in childs), ())
class TaxCode(
ContextCompanyMixin, ActivePeriodMixin, tree(), ModelSQL, ModelView):
'Tax Code'
__name__ = 'account.tax.code'
_states = {
'readonly': (Bool(Eval('template', -1))
& ~Eval('template_override', False)),
}
name = fields.Char('Name', required=True, states=_states)
code = fields.Char('Code', states=_states)
company = fields.Many2One('company.company', 'Company', required=True)
parent = fields.Many2One(
'account.tax.code', "Parent", states=_states,
domain=[
('company', '=', Eval('company', -1)),
])
lines = fields.One2Many('account.tax.code.line', 'code', "Lines")
childs = fields.One2Many(
'account.tax.code', 'parent', "Children",
domain=[
('company', '=', Eval('company', -1)),
])
currency = fields.Function(fields.Many2One('currency.currency',
'Currency'), 'on_change_with_currency')
amount = fields.Function(Monetary(
"Amount", currency='currency', digits='currency'),
'get_amount')
template = fields.Many2One('account.tax.code.template', 'Template')
template_override = fields.Boolean('Override Template',
help="Check to override template definition",
states={
'invisible': ~Bool(Eval('template', -1)),
})
description = fields.Text('Description')
del _states
@classmethod
def __setup__(cls):
cls.code.search_unaccented = False
super(TaxCode, cls).__setup__()
t = cls.__table__()
cls._sql_indexes.add(
Index(t, (t.code, Index.Similarity())))
for date in [cls.start_date, cls.end_date]:
date.states = {
'readonly': (Bool(Eval('template', -1))
& ~Eval('template_override', False)),
}
cls._order.insert(0, ('code', 'ASC'))
@staticmethod
def default_company():
return Transaction().context.get('company')
@classmethod
def default_template_override(cls):
return False
@fields.depends('company')
def on_change_with_currency(self, name=None):
return self.company.currency if self.company else None
@classmethod
def get_amount(cls, codes, name):
result = {}
parents = {}
childs = cls.search([
('parent', 'child_of', [c.id for c in codes]),
])
for code in childs:
result[code.id] = code.currency.round(
sum((l.value for l in code.lines), Decimal(0)))
parents[code.id] = code.parent.id if code.parent else None
ids = set(map(int, childs))
leafs = ids - set(parents.values())
while leafs:
for code in leafs:
ids.remove(code)
parent = parents.get(code)
if parent in result:
result[parent] += result[code]
next_leafs = set(ids)
for code in ids:
parent = parents.get(code)
if not parent:
continue
if parent in next_leafs and parent in ids:
next_leafs.remove(parent)
leafs = next_leafs
return result
def get_rec_name(self, name):
if self.code:
return self.code + ' - ' + self.name
else:
return self.name
@classmethod
def search_rec_name(cls, name, clause):
_, operator, operand, *extra = clause
if operator.startswith('!') or operator.startswith('not '):
bool_op = 'AND'
else:
bool_op = 'OR'
code_value = operand
if operator.endswith('like') and is_full_text(operand):
code_value = lstrip_wildcard(operand)
return [bool_op,
('code', operator, code_value, *extra),
(cls._rec_name, operator, operand, *extra),
]
@classmethod
def copy(cls, codes, default=None):
if default is None:
default = {}
else:
default = default.copy()
default.setdefault('template', None)
return super(TaxCode, cls).copy(codes, default=default)
@classmethod
def delete(cls, codes):
codes = cls.search([
('parent', 'child_of', [c.id for c in codes]),
])
super(TaxCode, cls).delete(codes)
@classmethod
def update_tax_code(cls, company_id, template2tax_code=None):
'''
Update recursively tax code based on template.
template2tax_code is a dictionary with tax code template id as key and
tax code id as value, used to convert template id into tax code. The
dictionary is filled with new tax codes
'''
if template2tax_code is None:
template2tax_code = {}
values = []
childs = cls.search([
('company', '=', company_id),
('parent', '=', None),
])
while childs:
for child in childs:
if child.template:
if not child.template_override:
vals = child.template._get_tax_code_value(code=child)
if vals:
values.append([child])
values.append(vals)
template2tax_code[child.template.id] = child.id
childs = sum((c.childs for c in childs), ())
if values:
cls.write(*values)
# Update parent
to_save = []
childs = cls.search([
('company', '=', company_id),
('parent', '=', None),
])
while childs:
for child in childs:
if child.template:
if not child.template_override:
if child.template.parent:
parent = template2tax_code.get(
child.template.parent.id)
else:
parent = None
old_parent = (
child.parent.id if child.parent else None)
if parent != old_parent:
child.parent = parent
to_save.append(child)
childs = sum((c.childs for c in childs), ())
cls.save(to_save)
class TaxCodeLineTemplate(ModelSQL, ModelView):
"Tax Code Line Template"
__name__ = 'account.tax.code.line.template'
code = fields.Many2One('account.tax.code.template', "Code", required=True)
operator = fields.Selection([
('+', "+"),
('-', "-"),
], "Operator", required=True)
tax = fields.Many2One('account.tax.template', "Tax", required=True)
amount = fields.Selection([
('tax', "Tax"),
('base', "Base"),
], "Amount", required=True)
type = fields.Selection([
('invoice', "Invoice"),
('credit', "Credit"),
], "Type", required=True)
@classmethod
def __setup__(cls):
super().__setup__()
cls.__access__.add('code')
def _get_tax_code_line_value(self, line=None):
value = {}
for name in ['operator', 'amount', 'type']:
if not line or getattr(line, name) != getattr(self, name):
value[name] = getattr(self, name)
if not line or line.template != self:
value['template'] = self.id
return value
@classmethod
def create_tax_code_line(cls, account_id, template2tax, template2tax_code,
template2tax_code_line=None):
"Create tax code lines based on template"
pool = Pool()
TaxCodeLine = pool.get('account.tax.code.line')
if template2tax_code_line is None:
template2tax_code_line = {}
values = []
created = []
for template in cls.search([('code.account', '=', account_id)]):
if template.id not in template2tax_code_line:
value = template._get_tax_code_line_value()
value['code'] = template2tax_code.get(template.code.id)
value['tax'] = template2tax.get(template.tax.id)
values.append(value)
created.append(template)
lines = TaxCodeLine.create(values)
for template, line in zip(created, lines):
template2tax_code_line[template.id] = line.id
class TaxCodeLine(ModelSQL, ModelView):
"Tax Code Line"
__name__ = 'account.tax.code.line'
_states = {
'readonly': (Bool(Eval('template', -1))
& ~Eval('template_override', False)),
}
code = fields.Many2One('account.tax.code', "Code", required=True)
operator = fields.Selection([
('+', "+"),
('-', "-"),
], "Operator", required=True, states=_states)
tax = fields.Many2One(
'account.tax', "Tax", required=True, states=_states,
domain=[
('company', '=', Eval('_parent_code', {}).get('company')),
],
depends={'code'})
amount = fields.Selection([
('tax', "Tax"),
('base', "Base"),
], "Amount", required=True, states=_states)
type = fields.Selection([
('invoice', "Invoice"),
('credit', "Credit"),
], "Type", required=True, states=_states)
template = fields.Many2One(
'account.tax.code.line.template', 'Template', ondelete='CASCADE')
template_override = fields.Boolean('Override Template',
help="Check to override template definition",
states={
'invisible': ~Bool(Eval('template', -1)),
})
del _states
@classmethod
def __setup__(cls):
super().__setup__()
cls.__access__.add('code')
@classmethod
def default_operator(cls):
return '+'
@property
def value(self):
value = getattr(self.tax, '%s_%s_amount' % (self.type, self.amount))
if self.type == 'credit':
value *= -1
if self.operator == '-':
value *= -1
return value
@property
def _line_domain(self):
domain = [
('tax', '=', self.tax.id),
('type', '=', self.amount),
]
if self.type == 'invoice':
domain.append(['OR',
[('amount', '>', 0), ['OR',
('move_line.debit', '>', 0),
('move_line.credit', '>', 0),
]],
[('amount', '<', 0), ['OR',
('move_line.debit', '<', 0),
('move_line.credit', '<', 0),
]],
])
elif self.type == 'credit':
domain.append(['OR',
[('amount', '<', 0), ['OR',
('move_line.debit', '>', 0),
('move_line.credit', '>', 0),
]],
[('amount', '>', 0), ['OR',
('move_line.debit', '<', 0),
('move_line.credit', '<', 0),
]],
])
return domain
@classmethod
def update_tax_code_line(cls, company_id, template2tax, template2tax_code,
template2tax_code_line=None):
"Update tax code lines based on template."
if template2tax_code_line is None:
template2tax_code_line = {}
values = []
for line in cls.search([('tax.company', '=', company_id)]):
if line.template:
if not line.template_override:
template = line.template
value = template._get_tax_code_line_value(line=line)
if line.code.id != template2tax_code.get(template.code.id):
value['code'] = template2tax_code.get(template.code.id)
if line.tax.id != template2tax.get(template.tax.id):
value['tax'] = template2tax.get(template.tax.id)
if value:
values.append([line])
values.append(value)
template2tax_code_line[line.template.id] = line.id
if values:
cls.write(*values)
class TaxCodeContext(ModelView):
"Tax Code Context"
__name__ = 'account.tax.code.context'
company = fields.Many2One('company.company', "Company", required=True)
method = fields.Selection([
('fiscalyear', "By Fiscal Year"),
('period', "By Period"),
('periods', "Over Periods"),
], 'Method', required=True)
fiscalyear = fields.Many2One(
'account.fiscalyear', "Fiscal Year",
domain=[
('company', '=', Eval('company', -1)),
],
states={
'invisible': Eval('method') != 'fiscalyear',
'required': Eval('method') == 'fiscalyear',
})
period = fields.Many2One(
'account.period', "Period",
domain=[
('company', '=', Eval('company', -1)),
('type', '=', 'standard'),
],
states={
'invisible': Eval('method') != 'period',
'required': Eval('method') == 'period',
})
start_period = fields.Many2One(
'account.period', "Start Period",
domain=[
('company', '=', Eval('company', -1)),
('type', '=', 'standard'),
('start_date', '<=', (Eval('end_period'), 'start_date')),
],
states={
'invisible': Eval('method') != 'periods',
'required': Eval('method') == 'periods',
})
end_period = fields.Many2One(
'account.period', "End Period",
domain=[
('company', '=', Eval('company', -1)),
('type', '=', 'standard'),
('start_date', '>=', (Eval('start_period'), 'start_date')),
],
states={
'invisible': Eval('method') != 'periods',
'required': Eval('method') == 'periods',
})
periods = fields.Many2Many(
'account.period', None, None, "Periods",
domain=[
('company', '=', Eval('company', -1)),
('type', '=', 'standard'),
])
@classmethod
def default_company(cls):
return Transaction().context.get('company')
@fields.depends(
'company', 'fiscalyear', 'period', methods=['on_change_with_periods'])
def on_change_company(self):
if self.fiscalyear and self.fiscalyear.company != self.company:
self.fiscalyear = None
if self.period and self.period.company != self.company:
self.period = None
self.periods = self.on_change_with_periods()
@classmethod
def default_method(cls):
return 'period'
@classmethod
def default_period(cls):
pool = Pool()
Period = pool.get('account.period')
try:
period = Period.find(cls.default_company(), test_state=False)
except PeriodNotFoundError:
return None
return period.id
@fields.depends(
'method', 'company',
'fiscalyear', 'period', 'start_period', 'end_period')
def on_change_with_periods(self):
pool = Pool()
Period = pool.get('account.period')
periods = []
if self.method == 'fiscalyear' and self.fiscalyear:
periods.extend(
p for p in self.fiscalyear.periods if p.type == 'standard')
elif self.method == 'period' and self.period:
periods.append(self.period)
elif (self.method == 'periods'
and self.company
and self.start_period and self.end_period):
periods = Period.search([
('start_date', '>=', self.start_period.start_date),
('start_date', '<=', self.end_period.start_date),
('company', '=', self.company.id),
('type', '=', 'standard'),
])
return periods
class TaxTemplate(sequence_ordered(), ModelSQL, ModelView, DeactivableMixin):
'Account Tax Template'
__name__ = 'account.tax.template'
name = fields.Char('Name', required=True)
description = fields.Char('Description', required=True)
group = fields.Many2One(
'account.tax.group', 'Group',
states={
'invisible': Bool(Eval('parent')),
})
start_date = fields.Date('Starting Date')
end_date = fields.Date('Ending Date')
amount = fields.Numeric('Amount', digits=(16, 8),
states={
'required': Eval('type') == 'fixed',
'invisible': Eval('type') != 'fixed',
})
rate = fields.Numeric('Rate', digits=(14, 10),
states={
'required': Eval('type') == 'percentage',
'invisible': Eval('type') != 'percentage',
})
type = fields.Selection([
('percentage', 'Percentage'),
('fixed', 'Fixed'),
('none', 'None'),
], 'Type', required=True)
update_unit_price = fields.Boolean('Update Unit Price',
states={
'invisible': Bool(Eval('parent')),
})
parent = fields.Many2One('account.tax.template', 'Parent')
childs = fields.One2Many('account.tax.template', 'parent', 'Children')
invoice_account = fields.Many2One(
'account.account.template', 'Invoice Account',
domain=[
('type.statement', '=', 'balance'),
('closed', '!=', True),
],
states={
'required': Eval('type') != 'none',
})
credit_note_account = fields.Many2One(
'account.account.template', 'Credit Note Account',
domain=[
('type.statement', '=', 'balance'),
('closed', '!=', True),
],
states={
'required': Eval('type') != 'none',
})
account = fields.Many2One('account.account.template', 'Account Template',
domain=[('parent', '=', None)], required=True)
legal_notice = fields.Text("Legal Notice")
@classmethod
def __setup__(cls):
super(TaxTemplate, cls).__setup__()
cls._order.insert(0, ('account', 'ASC'))
@classmethod
def validate_fields(cls, tax_templates, field_names):
super().validate_fields(tax_templates, field_names)
cls.check_update_unit_price(tax_templates, field_names)
@classmethod
def check_update_unit_price(cls, tax_templates, field_names=None):
if field_names and not (field_names & {'update_unit_price', 'parent'}):
return
for tax in tax_templates:
if tax.update_unit_price and tax.parent:
raise AccessError(gettext(
'account.msg_tax_update_unit_price_with_parent',
tax=tax.rec_name))
@staticmethod
def default_type():
return 'percentage'
@staticmethod
def default_update_unit_price():
return False
def _get_tax_value(self, tax=None):
'''
Set values for tax creation.
'''
res = {}
for field in ['name', 'description', 'sequence', 'amount', 'rate',
'type', 'start_date', 'end_date', 'update_unit_price',
'legal_notice', 'active']:
if not tax or getattr(tax, field) != getattr(self, field):
res[field] = getattr(self, field)
for field in ('group',):
if not tax or getattr(tax, field) != getattr(self, field):
value = getattr(self, field)
if value:
res[field] = getattr(self, field).id
else:
res[field] = None
if not tax or tax.template != self:
res['template'] = self.id
return res
@classmethod
def create_tax(cls, account_id, company_id,
template2account, template2tax=None):
'''
Create recursively taxes based on template.
template2account is a dictionary with account template id as key and
account id as value, used to convert account template into account
code.
template2tax is a dictionary with tax template id as key and tax id as
value, used to convert template id into tax. The dictionary is filled
with new taxes.
'''
pool = Pool()
Tax = pool.get('account.tax')
if template2tax is None:
template2tax = {}
def create(templates):
values = []
created = []
for template in templates:
if template.id not in template2tax:
vals = template._get_tax_value()
vals['company'] = company_id
if template.parent:
vals['parent'] = template2tax[template.parent.id]
else:
vals['parent'] = None
if template.invoice_account:
vals['invoice_account'] = \
template2account[template.invoice_account.id]
else:
vals['invoice_account'] = None
if template.credit_note_account:
vals['credit_note_account'] = \
template2account[template.credit_note_account.id]
else:
vals['credit_note_account'] = None
values.append(vals)
created.append(template)
taxes = Tax.create(values)
for template, tax in zip(created, taxes):
template2tax[template.id] = tax.id
childs = cls.search([
('account', '=', account_id),
('parent', '=', None),
])
while childs:
create(childs)
childs = sum((c.childs for c in childs), ())
class Tax(sequence_ordered(), ModelSQL, ModelView, DeactivableMixin):
'''
Account Tax
Type:
percentage: tax = price * rate
fixed: tax = amount
none: tax = none
'''
__name__ = 'account.tax'
_states = {
'readonly': (Bool(Eval('template', -1))
& ~Eval('template_override', False)),
}
name = fields.Char('Name', required=True, states=_states)
description = fields.Char('Description', required=True, translate=True,
help="The name that will be used in reports.", states=_states)
group = fields.Many2One('account.tax.group', 'Group',
states={
'invisible': Bool(Eval('parent')),
'readonly': _states['readonly'],
})
start_date = fields.Date('Starting Date', states=_states)
end_date = fields.Date('Ending Date', states=_states)
amount = fields.Numeric('Amount', digits=(16, 8),
states={
'required': Eval('type') == 'fixed',
'invisible': Eval('type') != 'fixed',
'readonly': _states['readonly'],
}, help='In company\'s currency.')
rate = fields.Numeric('Rate', digits=(14, 10),
states={
'required': Eval('type') == 'percentage',
'invisible': Eval('type') != 'percentage',
'readonly': _states['readonly'],
})
type = fields.Selection([
('percentage', 'Percentage'),
('fixed', 'Fixed'),
('none', 'None'),
], 'Type', required=True, states=_states)
update_unit_price = fields.Boolean('Update Unit Price',
states={
'invisible': Bool(Eval('parent')),
'readonly': _states['readonly'],
},
help=('If checked then the unit price for further tax computation will'
' be modified by this tax.'))
parent = fields.Many2One(
'account.tax', "Parent", ondelete='CASCADE', states=_states,
domain=[
('company', '=', Eval('company', -1)),
])
childs = fields.One2Many(
'account.tax', 'parent', "Children",
domain=[
('company', '=', Eval('company', -1)),
])
company = fields.Many2One('company.company', "Company", required=True)
invoice_account = fields.Many2One('account.account', 'Invoice Account',
domain=[
('company', '=', Eval('company')),
('type.statement', '=', 'balance'),
('closed', '!=', True),
],
states={
'readonly': _states['readonly'],
'required': Eval('type') != 'none',
})
credit_note_account = fields.Many2One('account.account',
'Credit Note Account',
domain=[
('company', '=', Eval('company')),
('type.statement', '=', 'balance'),
('closed', '!=', True),
],
states={
'readonly': _states['readonly'],
'required': Eval('type') != 'none',
})
legal_notice = fields.Text("Legal Notice", translate=True,
states=_states)
template = fields.Many2One('account.tax.template', 'Template',
ondelete='RESTRICT')
template_override = fields.Boolean('Override Template',
help="Check to override template definition",
states={
'invisible': ~Bool(Eval('template', -1)),
})
invoice_base_amount = fields.Function(Monetary(
"Invoice Base Amount", currency='currency', digits='currency'),
'get_amount')
invoice_tax_amount = fields.Function(Monetary(
"Invoice Tax Amount", currency='currency', digits='currency'),
'get_amount')
credit_base_amount = fields.Function(Monetary(
"Credit Base Amount", currency='currency', digits='currency'),
'get_amount')
credit_tax_amount = fields.Function(Monetary(
"Credit Tax Amount", currency='currency', digits='currency'),
'get_amount')
currency = fields.Function(fields.Many2One(
'currency.currency', "Currency"),
'on_change_with_currency')
del _states
@classmethod
def validate_fields(cls, taxes, field_names):
super().validate_fields(taxes, field_names)
cls.check_update_unit_price(taxes, field_names)
@classmethod
def check_update_unit_price(cls, taxes, field_names=None):
if field_names and not (field_names & {'parent', 'update_unit_price'}):
return
for tax in taxes:
if tax.parent and tax.update_unit_price:
raise AccessError(gettext(
'account.msg_tax_update_unit_price_with_parent',
tax=tax.rec_name))
@staticmethod
def default_type():
return 'percentage'
@staticmethod
def default_update_unit_price():
return False
@staticmethod
def default_company():
return Transaction().context.get('company')
@classmethod
def default_template_override(cls):
return False
@classmethod
def get_amount(cls, taxes, names):
pool = Pool()
Move = pool.get('account.move')
MoveLine = pool.get('account.move.line')
TaxLine = pool.get('account.tax.line')
cursor = Transaction().connection.cursor()
move = Move.__table__()
move_line = MoveLine.__table__()
tax_line = TaxLine.__table__()
tax_ids = list(map(int, taxes))
result = {}
for name in names:
result[name] = dict.fromkeys(tax_ids, Decimal(0))
columns = []
amount = tax_line.amount
debit = move_line.debit
credit = move_line.credit
if backend.name == 'sqlite':
amount = TaxLine.amount.sql_cast(tax_line.amount)
debit = MoveLine.debit.sql_cast(debit)
credit = MoveLine.credit.sql_cast(credit)
is_invoice = (
((amount > 0) & ((debit > 0) | (credit > 0)))
| ((amount < 0) & ((debit < 0) | (credit < 0)))
)
is_credit = (
((amount < 0) & ((debit > 0) | (credit > 0)))
| ((amount > 0) & ((debit < 0) | (credit < 0)))
)
for name, clause in [
('invoice_base_amount',
is_invoice & (tax_line.type == 'base')),
('invoice_tax_amount',
is_invoice & (tax_line.type == 'tax')),
('credit_base_amount',
is_credit & (tax_line.type == 'base')),
('credit_tax_amount',
is_credit & (tax_line.type == 'tax')),
]:
if name not in names:
continue
if backend.name == 'postgresql': # FIXME
columns.append(Sum(amount, filter_=clause).as_(name))
else:
columns.append(Sum(Case([clause, amount])).as_(name))
where = cls._amount_where(tax_line, move_line, move)
query = (tax_line
.join(move_line, condition=tax_line.move_line == move_line.id)
.join(move, condition=move_line.move == move.id)
.select(tax_line.tax.as_('tax'),
*columns,
where=tax_line.tax.in_(tax_ids)
& (move_line.state != 'draft')
& where,
group_by=tax_line.tax)
)
cursor.execute(*query)
for row in cursor_dict(cursor):
for name in names:
value = row[name] or 0
if not isinstance(value, Decimal):
value = Decimal(str(value))
result[name][row['tax']] = value
return result
@classmethod
def _amount_where(cls, tax_line, move_line, move):
context = Transaction().context
periods = context.get('periods', [])
if periods:
return move.period.in_(periods)
else:
return Literal(False)
@classmethod
def _amount_domain(cls):
context = Transaction().context
periods = context.get('periods', [])
return [('move_line.move.period', 'in', periods)]
@fields.depends('company')
def on_change_with_currency(self, name=None):
return self.company.currency if self.company else None
@classmethod
def copy(cls, taxes, default=None):
if default is None:
default = {}
else:
default = default.copy()
default.setdefault('template', None)
return super(Tax, cls).copy(taxes, default=default)
def _process_tax(self, price_unit):
if self.type == 'percentage':
amount = price_unit * self.rate
return {
'base': price_unit,
'amount': amount,
'tax': self,
}
if self.type == 'fixed':
amount = self.amount
return {
'base': price_unit,
'amount': amount,
'tax': self,
}
def _group_taxes(self):
'Key method used to group taxes'
return (self.sequence,)
@classmethod
def _unit_compute(cls, taxes, price_unit, date):
res = []
for _, group_taxes in groupby(taxes, key=cls._group_taxes):
unit_price_variation = 0
for tax in group_taxes:
start_date = tax.start_date or datetime.date.min
end_date = tax.end_date or datetime.date.max
values = []
if not (start_date <= date <= end_date):
continue
if tax.type != 'none':
values.append(tax._process_tax(price_unit))
if len(tax.childs):
values.extend(
cls._unit_compute(tax.childs, price_unit, date))
if tax.update_unit_price:
for value in values:
unit_price_variation += value['amount']
res.extend(values)
price_unit += unit_price_variation
return res
@classmethod
def _reverse_rate_amount(cls, taxes, date):
rate, amount = 0, 0
for tax in taxes:
start_date = tax.start_date or datetime.date.min
end_date = tax.end_date or datetime.date.max
if not (start_date <= date <= end_date):
continue
if tax.type == 'percentage':
rate += tax.rate
elif tax.type == 'fixed':
amount += tax.amount
if tax.childs:
child_rate, child_amount = cls._reverse_rate_amount(
tax.childs, date)
rate += child_rate
amount += child_amount
return rate, amount
@classmethod
def _reverse_unit_compute(cls, price_unit, taxes, date):
rate, amount = 0, 0
update_unit_price = False
unit_price_variation_amount = 0
unit_price_variation_rate = 0
for _, group_taxes in groupby(taxes, key=cls._group_taxes):
group_taxes = list(group_taxes)
g_rate, g_amount = cls._reverse_rate_amount(group_taxes, date)
if update_unit_price:
g_amount += unit_price_variation_amount * g_rate
g_rate += unit_price_variation_rate * g_rate
g_update_unit_price = any(t.update_unit_price for t in group_taxes)
update_unit_price |= g_update_unit_price
if g_update_unit_price:
unit_price_variation_amount += g_amount
unit_price_variation_rate += g_rate
rate += g_rate
amount += g_amount
return (price_unit - amount) / (1 + rate)
@classmethod
def sort_taxes(cls, taxes, reverse=False):
'''
Return a list of taxes sorted
'''
def key(tax):
return 0 if tax.sequence is None else 1, tax.sequence or 0, tax.id
return sorted(taxes, key=key, reverse=reverse)
@classmethod
def compute(cls, taxes, price_unit, quantity, date):
'''
Compute taxes for price_unit and quantity at the date.
Return list of dict for each taxes and their childs with:
base
amount
tax
'''
taxes = cls.sort_taxes(taxes)
res = cls._unit_compute(taxes, price_unit, date)
quantity = Decimal(str(quantity or 0))
for row in res:
row['base'] *= quantity
row['amount'] *= quantity
return res
@classmethod
def reverse_compute(cls, price_unit, taxes, date):
'''
Reverse compute the price_unit for taxes at the date.
'''
taxes = cls.sort_taxes(taxes)
return cls._reverse_unit_compute(price_unit, taxes, date)
@classmethod
def update_tax(cls, company_id, template2account, template2tax=None):
'''
Update recursively taxes based on template.
template2account is a dictionary with account template id as key and
account id as value, used to convert account template into account
code.
template2tax is a dictionary with tax template id as key and tax id as
value, used to convert template id into tax. The dictionary is filled
with new taxes.
'''
if template2tax is None:
template2tax = {}
values = []
childs = cls.search([
('company', '=', company_id),
('parent', '=', None),
])
while childs:
for child in childs:
if child.template:
if not child.template_override:
vals = child.template._get_tax_value(tax=child)
invoice_account_id = (child.invoice_account.id
if child.invoice_account else None)
if (child.template.invoice_account
and invoice_account_id != template2account.get(
child.template.invoice_account.id)):
vals['invoice_account'] = template2account.get(
child.template.invoice_account.id)
elif (not child.template.invoice_account
and child.invoice_account):
vals['invoice_account'] = None
credit_note_account_id = (child.credit_note_account.id
if child.credit_note_account else None)
if (child.template.credit_note_account
and credit_note_account_id
!= template2account.get(
child.template.credit_note_account.id)):
vals['credit_note_account'] = template2account.get(
child.template.credit_note_account.id)
elif (not child.template.credit_note_account
and child.credit_note_account):
vals['credit_note_account'] = None
if vals:
values.append([child])
values.append(vals)
template2tax[child.template.id] = child.id
childs = sum((c.childs for c in childs), ())
if values:
cls.write(*values)
# Update parent
to_save = []
childs = cls.search([
('company', '=', company_id),
('parent', '=', None),
])
while childs:
for child in childs:
if child.template:
if not child.template_override:
if child.template.parent:
parent = template2tax.get(child.template.parent.id)
else:
parent = None
old_parent = (
child.parent.id if child.parent else None)
if parent != old_parent:
child.parent = parent
to_save.append(child)
childs = sum((c.childs for c in childs), ())
cls.save(to_save)
class _TaxKey(dict):
def __init__(self, **kwargs):
self.update(kwargs)
def _key(self):
return (self['account'], self['tax'], self['base'] >= 0)
def __eq__(self, other):
if isinstance(other, _TaxKey):
return self._key() == other._key()
return self._key() == other
def __hash__(self):
return hash(self._key())
_TaxableLine = namedtuple(
'_TaxableLine', ('taxes', 'unit_price', 'quantity', 'tax_date'))
class TaxableMixin(object):
__slots__ = ()
@property
def taxable_lines(self):
"""A list of tuples where
- the first element is the taxes applicable
- the second element is the line unit price
- the third element is the line quantity
- the forth element is the optional tax date
"""
return []
@property
def tax_date(self):
"Date to use when computing the tax"
pool = Pool()
Date = pool.get('ir.date')
with Transaction().set_context(company=self.company.id):
return Date.today()
def _get_tax_context(self):
return {}
@staticmethod
def _compute_tax_line(amount, base, tax):
if base >= 0:
type_ = 'invoice'
else:
type_ = 'credit_note'
line = {}
line['manual'] = False
line['description'] = tax.description
line['legal_notice'] = tax.legal_notice
line['base'] = base
line['amount'] = amount
line['tax'] = tax.id
line['account'] = getattr(tax, '%s_account' % type_).id
return _TaxKey(**line)
def _round_taxes(self, taxes):
if not self.currency:
return
remainder = 0
for taxline in taxes.values():
rounded_amount = self.currency.round(taxline['amount'])
remainder += rounded_amount - taxline['amount']
taxline['amount'] = rounded_amount
# We need to compensate the rounding we did
remainder = self.currency.round(remainder, opposite=True)
if abs(remainder) >= self.currency.rounding:
offset_amount = self.currency.rounding.copy_sign(remainder)
for tax in cycle(taxes.values()):
if tax['amount']:
tax['amount'] -= offset_amount
remainder -= offset_amount
if abs(remainder) < self.currency.rounding:
break
@fields.depends('company', methods=['_get_tax_context', '_round_taxes'])
def _get_taxes(self):
pool = Pool()
Tax = pool.get('account.tax')
Configuration = pool.get('account.configuration')
taxes = {}
with Transaction().set_context(self._get_tax_context()):
config = Configuration(1)
tax_rounding = config.get_multivalue('tax_rounding')
taxable_lines = [_TaxableLine(*params)
for params in self.taxable_lines]
for line in taxable_lines:
assert all(t.company == self.company for t in line.taxes)
l_taxes = Tax.compute(Tax.browse(line.taxes), line.unit_price,
line.quantity, line.tax_date or self.tax_date)
current_taxes = {}
for tax in l_taxes:
taxline = self._compute_tax_line(**tax)
# Base must always be rounded per line as there will be one
# tax line per taxable_lines
if self.currency:
taxline['base'] = self.currency.round(taxline['base'])
if taxline not in taxes:
taxes[taxline] = taxline
else:
taxes[taxline]['base'] += taxline['base']
taxes[taxline]['amount'] += taxline['amount']
current_taxes[taxline] = taxes[taxline]
if tax_rounding == 'line':
self._round_taxes(current_taxes)
if tax_rounding == 'document':
self._round_taxes(taxes)
return taxes
class TaxLine(ModelSQL, ModelView):
'Tax Line'
__name__ = 'account.tax.line'
currency = fields.Function(fields.Many2One(
'currency.currency', "Currency"),
'on_change_with_currency')
amount = Monetary(
"Amount", currency='currency', digits='currency', required=True)
type = fields.Selection([
('tax', "Tax"),
('base', "Base"),
], "Type", required=True)
tax = fields.Many2One(
'account.tax', "Tax", ondelete='RESTRICT', required=True,
domain=[
('company', '=', Eval('company', -1)),
])
move_line = fields.Many2One(
'account.move.line', "Move Line", required=True, ondelete='CASCADE')
company = fields.Function(fields.Many2One('company.company', 'Company'),
'on_change_with_company')
@classmethod
def __setup__(cls):
super().__setup__()
cls.__access__.add('move_line')
@classmethod
def __register__(cls, module_name):
pool = Pool()
Tax = pool.get('account.tax')
transaction = Transaction()
table = cls.__table__()
tax = Tax.__table__()
migrate_type = False
if backend.TableHandler.table_exist(cls._table):
table_h = cls.__table_handler__(module_name)
migrate_type = not table_h.column_exist('type')
super(TaxLine, cls).__register__(module_name)
table_h = cls.__table_handler__(module_name)
# Migrate from 4.6: remove code and fill type
table_h.not_null_action('code', action='remove')
if migrate_type:
# XXX base on no tax code is used for both tax and base
cursor = transaction.connection.cursor()
cursor.execute(*tax.select(
tax.id, tax.company,
tax.invoice_base_code, tax.invoice_tax_code,
tax.credit_note_base_code, tax.credit_note_tax_code))
update = transaction.connection.cursor()
for (tax, company,
invoice_base_code, invoice_tax_code,
credit_note_base_code, credit_note_tax_code) in cursor:
update.execute(*table.update(
[table.type], ['tax'],
where=(table.tax == tax)
& (table.code.in_(
[invoice_tax_code, credit_note_tax_code]))))
update.execute(*table.update(
[table.type], ['base'],
where=(table.tax == tax)
& (table.code.in_(
[invoice_base_code, credit_note_base_code]))))
@fields.depends('move_line', '_parent_move_line.currency')
def on_change_with_currency(self, name=None):
return self.move_line.currency if self.move_line else None
@fields.depends('_parent_move_line.account', 'move_line')
def on_change_with_company(self, name=None):
if self.move_line and self.move_line.account:
return self.move_line.account.company
def get_rec_name(self, name):
name = super(TaxLine, self).get_rec_name(name)
if self.tax:
name = self.tax.rec_name
return name
@classmethod
def search_rec_name(cls, name, clause):
return [('tax',) + tuple(clause[1:])]
@classmethod
def create(cls, vlist):
lines = super(TaxLine, cls).create(vlist)
cls.check_modify(lines)
return lines
@classmethod
def write(cls, *args):
lines = sum(args[0:None:2], [])
cls.check_modify(lines)
super(TaxLine, cls).write(*args)
@classmethod
def delete(cls, lines):
cls.check_modify(lines)
super(TaxLine, cls).delete(lines)
@property
def period_checked(self):
return self.move_line.period
@classmethod
def check_modify(cls, lines):
for line in lines:
period = line.period_checked
if period and period.state != 'open':
raise AccessError(
gettext('account.msg_modify_tax_line_closed_period',
period=period.rec_name))
class TaxRuleTemplate(ModelSQL, ModelView):
'Tax Rule Template'
__name__ = 'account.tax.rule.template'
name = fields.Char('Name', required=True)
kind = fields.Selection(KINDS, 'Kind', required=True)
lines = fields.One2Many('account.tax.rule.line.template', 'rule', 'Lines')
account = fields.Many2One('account.account.template', 'Account Template',
domain=[('parent', '=', None)], required=True)
@staticmethod
def default_kind():
return 'both'
def _get_tax_rule_value(self, rule=None):
'''
Set values for tax rule creation.
'''
res = {}
if not rule or rule.name != self.name:
res['name'] = self.name
if not rule or rule.kind != self.kind:
res['kind'] = self.kind
if not rule or rule.template.id != self.id:
res['template'] = self.id
return res
@classmethod
def create_rule(cls, account_id, company_id, template2rule=None):
'''
Create tax rule based on template.
template2rule is a dictionary with tax rule template id as key and tax
rule id as value, used to convert template id into tax rule. The
dictionary is filled with new tax rules.
'''
pool = Pool()
Rule = pool.get('account.tax.rule')
if template2rule is None:
template2rule = {}
templates = cls.search([
('account', '=', account_id),
])
values = []
created = []
for template in templates:
if template.id not in template2rule:
vals = template._get_tax_rule_value()
vals['company'] = company_id
values.append(vals)
created.append(template)
rules = Rule.create(values)
for template, rule in zip(created, rules):
template2rule[template.id] = rule.id
class TaxRule(ModelSQL, ModelView):
'Tax Rule'
__name__ = 'account.tax.rule'
_states = {
'readonly': (Bool(Eval('template', -1))
& ~Eval('template_override', False)),
}
name = fields.Char('Name', required=True, states=_states)
kind = fields.Selection(KINDS, 'Kind', required=True, states=_states)
company = fields.Many2One('company.company', "Company", required=True,)
lines = fields.One2Many('account.tax.rule.line', 'rule', 'Lines')
template = fields.Many2One('account.tax.rule.template', 'Template')
template_override = fields.Boolean("Override Template",
help="Check to override template definition",
states={
'invisible': ~Bool(Eval('template', -1)),
})
del _states
@staticmethod
def default_kind():
return 'both'
@staticmethod
def default_company():
return Transaction().context.get('company')
@classmethod
def copy(cls, rules, default=None):
if default is None:
default = {}
else:
default = default.copy()
default.setdefault('template', None)
return super(TaxRule, cls).copy(rules, default=default)
def apply(self, tax, pattern):
'''
Apply rule on tax
pattern is a dictonary with rule line field as key and match value as
value.
Return a list of the tax id to use or None
'''
pattern = pattern.copy()
pattern['group'] = tax.group.id if tax and tax.group else None
pattern['origin_tax'] = tax.id if tax else None
for line in self.lines:
if line.match(pattern):
return line.get_taxes(tax)
return tax and [tax.id] or None
@classmethod
def update_rule(cls, company_id, template2rule=None):
'''
Update tax rule based on template.
template2rule is a dictionary with tax rule template id as key and tax
rule id as value, used to convert template id into tax rule. The
dictionary is filled with new tax rules.
'''
if template2rule is None:
template2rule = {}
values = []
rules = cls.search([
('company', '=', company_id),
])
for rule in rules:
if rule.template:
template2rule[rule.template.id] = rule.id
if rule.template_override:
continue
vals = rule.template._get_tax_rule_value(rule=rule)
if vals:
values.append([rule])
values.append(vals)
if values:
cls.write(*values)
class TaxRuleLineTemplate(sequence_ordered(), ModelSQL, ModelView):
'Tax Rule Line Template'
__name__ = 'account.tax.rule.line.template'
rule = fields.Many2One('account.tax.rule.template', 'Rule', required=True,
ondelete='CASCADE')
start_date = fields.Date("Starting Date")
end_date = fields.Date("Ending Date")
group = fields.Many2One('account.tax.group', 'Tax Group',
ondelete='RESTRICT')
origin_tax = fields.Many2One('account.tax.template', 'Original Tax',
domain=[
('parent', '=', None),
('account', '=', Eval('_parent_rule', {}).get('account', 0)),
('group', '=', Eval('group')),
['OR',
('group', '=', None),
If(Eval('_parent_rule', {}).get('kind', 'both') == 'sale',
('group.kind', 'in', ['sale', 'both']),
If(Eval('_parent_rule', {}).get('kind', 'both')
== 'purchase',
('group.kind', 'in', ['purchase', 'both']),
('group.kind', 'in', ['sale', 'purchase', 'both']))),
],
],
help=('If the original tax template is filled, the rule will be '
'applied only for this tax template.'),
depends={'rule'},
ondelete='RESTRICT')
keep_origin = fields.Boolean("Keep Origin",
help="Check to append the original tax to substituted tax.")
tax = fields.Many2One('account.tax.template', 'Substitution Tax',
domain=[
('parent', '=', None),
('account', '=', Eval('_parent_rule', {}).get('account', 0)),
('group', '=', Eval('group')),
['OR',
('group', '=', None),
If(Eval('_parent_rule', {}).get('kind', 'both') == 'sale',
('group.kind', 'in', ['sale', 'both']),
If(Eval('_parent_rule', {}).get('kind', 'both')
== 'purchase',
('group.kind', 'in', ['purchase', 'both']),
('group.kind', 'in', ['sale', 'purchase', 'both']))),
],
],
depends={'rule'},
ondelete='RESTRICT')
@classmethod
def __setup__(cls):
super(TaxRuleLineTemplate, cls).__setup__()
cls.__access__.add('rule')
cls._order.insert(1, ('rule', 'ASC'))
def _get_tax_rule_line_value(self, rule_line=None):
'''
Set values for tax rule line creation.
'''
res = {}
if not rule_line or rule_line.start_date != self.start_date:
res['start_date'] = self.start_date
if not rule_line or rule_line.end_date != self.end_date:
res['end_date'] = self.end_date
if not rule_line or rule_line.group != self.group:
res['group'] = self.group.id if self.group else None
if not rule_line or rule_line.sequence != self.sequence:
res['sequence'] = self.sequence
if not rule_line or rule_line.keep_origin != self.keep_origin:
res['keep_origin'] = self.keep_origin
if not rule_line or rule_line.template != self:
res['template'] = self.id
return res
@classmethod
def create_rule_line(cls, account_id, template2tax, template2rule,
template2rule_line=None):
'''
Create tax rule line based on template.
template2tax is a dictionary with tax template id as key and tax id as
value, used to convert template id into tax.
template2rule is a dictionary with tax rule template id as key and tax
rule id as value, used to convert template id into tax rule.
template2rule_line is a dictionary with tax rule line template id as
key and tax rule line id as value, used to convert template id into tax
rule line. The dictionary is filled with new tax rule lines.
'''
RuleLine = Pool().get('account.tax.rule.line')
if template2rule_line is None:
template2rule_line = {}
templates = cls.search([
('rule.account', '=', account_id),
])
values = []
created = []
for template in templates:
if template.id not in template2rule_line:
vals = template._get_tax_rule_line_value()
vals['rule'] = template2rule[template.rule.id]
if template.origin_tax:
vals['origin_tax'] = template2tax[template.origin_tax.id]
else:
vals['origin_tax'] = None
if template.tax:
vals['tax'] = template2tax[template.tax.id]
else:
vals['tax'] = None
values.append(vals)
created.append(template)
rule_lines = RuleLine.create(values)
for template, rule_line in zip(created, rule_lines):
template2rule_line[template.id] = rule_line.id
class TaxRuleLine(sequence_ordered(), ModelSQL, ModelView, MatchMixin):
'Tax Rule Line'
__name__ = 'account.tax.rule.line'
_states = {
'readonly': (Bool(Eval('template', -1))
& ~Eval('template_override', False)),
}
rule = fields.Many2One(
'account.tax.rule', "Rule",
required=True, ondelete='CASCADE', states=_states)
start_date = fields.Date("Starting Date")
end_date = fields.Date("Ending Date")
group = fields.Many2One('account.tax.group', 'Tax Group',
ondelete='RESTRICT', states=_states)
origin_tax = fields.Many2One('account.tax', 'Original Tax',
domain=[
('parent', '=', None),
('company', '=', Eval('_parent_rule', {}).get('company')),
('group', '=', Eval('group')),
['OR',
('group', '=', None),
If(Eval('_parent_rule', {}).get('kind', 'both') == 'sale',
('group.kind', 'in', ['sale', 'both']),
If(Eval('_parent_rule', {}).get('kind', 'both')
== 'purchase',
('group.kind', 'in', ['purchase', 'both']),
('group.kind', 'in', ['sale', 'purchase', 'both']))),
],
],
help=('If the original tax is filled, the rule will be applied '
'only for this tax.'),
depends={'rule'},
ondelete='RESTRICT', states=_states)
keep_origin = fields.Boolean("Keep Origin", states=_states,
help="Check to append the original tax to substituted tax.")
tax = fields.Many2One('account.tax', 'Substitution Tax',
domain=[
('parent', '=', None),
('company', '=', Eval('_parent_rule', {}).get('company')),
('group', '=', Eval('group')),
['OR',
('group', '=', None),
If(Eval('_parent_rule', {}).get('kind', 'both') == 'sale',
('group.kind', 'in', ['sale', 'both']),
If(Eval('_parent_rule', {}).get('kind', 'both')
== 'purchase',
('group.kind', 'in', ['purchase', 'both']),
('group.kind', 'in', ['sale', 'purchase', 'both']))),
],
],
depends={'rule'},
ondelete='RESTRICT', states=_states)
template = fields.Many2One(
'account.tax.rule.line.template', 'Template', ondelete='CASCADE')
template_override = fields.Boolean("Override Template",
help="Check to override template definition",
states={
'invisible': ~Bool(Eval('template', -1)),
})
del _states
@classmethod
def __setup__(cls):
super(TaxRuleLine, cls).__setup__()
cls.__access__.add('rule')
cls._order.insert(1, ('rule', 'ASC'))
@classmethod
def copy(cls, lines, default=None):
if default is None:
default = {}
else:
default = default.copy()
default.setdefault('template', None)
return super(TaxRuleLine, cls).copy(lines, default=default)
def match(self, pattern):
pool = Pool()
Date = pool.get('ir.date')
with Transaction().set_context(company=self.rule.company.id):
today = Date.today()
pattern = pattern.copy()
if 'group' in pattern and not self.group:
if pattern['group']:
return False
date = pattern.pop('date', None) or today
if self.start_date and date < self.start_date:
return False
if self.end_date and date > self.end_date:
return False
return super(TaxRuleLine, self).match(pattern)
def get_taxes(self, origin_tax):
'''
Return list of taxes for a line
'''
if self.tax:
taxes = [self.tax.id]
if self.keep_origin and origin_tax:
taxes.append(origin_tax.id)
return taxes
return None
@classmethod
def update_rule_line(cls, company_id, template2tax, template2rule,
template2rule_line=None):
'''
Update tax rule line based on template.
template2tax is a dictionary with tax template id as key and tax id as
value, used to convert template id into tax.
template2rule is a dictionary with tax rule template id as key and tax
rule id as value, used to convert template id into tax rule.
template2rule_line is a dictionary with tax rule line template id as
key and tax rule line id as value, used to convert template id into tax
rule line. The dictionary is filled with new tax rule lines.
'''
if template2rule_line is None:
template2rule_line = {}
values = []
lines = cls.search([
('rule.company', '=', company_id),
])
for line in lines:
if line.template:
template2rule_line[line.template.id] = line.id
if line.template_override:
continue
vals = line.template._get_tax_rule_line_value(rule_line=line)
if line.rule.id != template2rule[line.template.rule.id]:
vals['rule'] = template2rule[line.template.rule.id]
if line.origin_tax:
if line.template.origin_tax:
if (line.origin_tax.id
!= template2tax[line.template.origin_tax.id]):
vals['origin_tax'] = template2tax[
line.template.origin_tax.id]
else:
vals['origin_tax'] = None
elif line.template.origin_tax:
vals['origin_tax'] = template2tax[
line.template.origin_tax.id]
if line.tax:
if line.template.tax:
if line.tax.id != template2tax[line.template.tax.id]:
vals['tax'] = template2tax[line.template.tax.id]
else:
vals['tax'] = None
elif line.template.tax:
vals['tax'] = template2tax[line.template.tax.id]
if vals:
values.append([line])
values.append(vals)
if values:
cls.write(*values)
class OpenTaxCode(Wizard):
'Open Code'
__name__ = 'account.tax.open_code'
start_state = 'open_'
open_ = StateAction('account.act_tax_line_form')
def do_open_(self, action):
pool = Pool()
Tax = pool.get('account.tax')
if self.record.lines:
domain = ['OR'] + [l._line_domain for l in self.record.lines]
else:
domain = ('id', '=', None)
if self.record:
action['name'] += ' (%s)' % self.record.rec_name
action['pyson_domain'] = PYSONEncoder().encode([
Tax._amount_domain(),
domain,
])
return action, {}
class TestTax(Wizard):
"Test Tax"
__name__ = 'account.tax.test'
start_state = 'test'
test = StateView(
'account.tax.test', 'account.tax_test_view_form',
[Button('Close', 'end', 'tryton-close', default=True)])
def default_test(self, fields):
default = {}
if (self.model
and self.model.__name__ == 'account.tax'
and self.records):
default['taxes'] = list(map(int, self.records))
return default
class TestTaxView(ModelView, TaxableMixin):
"Test Tax"
__name__ = 'account.tax.test'
tax_date = fields.Date("Date")
taxes = fields.One2Many('account.tax', None, "Taxes",
domain=[
('parent', '=', None),
])
unit_price = fields.Numeric("Unit Price")
quantity = fields.Numeric("Quantity")
currency = fields.Many2One('currency.currency', 'Currency')
result = fields.One2Many(
'account.tax.test.result', None, "Result", readonly=True)
@classmethod
def default_tax_date(cls):
pool = Pool()
Date = pool.get('ir.date')
return Date.today()
@classmethod
def default_quantity(cls):
return 1
@classmethod
def default_currency(cls):
pool = Pool()
Company = pool.get('company.company')
company_id = Transaction().context.get('company')
if company_id:
company = Company(company_id)
return company.currency.id
@property
def company(self):
pool = Pool()
Company = pool.get('company.company')
company_id = Transaction().context.get('company')
if company_id:
return Company(company_id)
@property
def taxable_lines(self):
return [(self.taxes, self.unit_price, self.quantity, self.tax_date)]
@fields.depends(
'tax_date', 'taxes', 'unit_price', 'quantity', 'currency', 'result')
def on_change_with_result(self):
pool = Pool()
Result = pool.get('account.tax.test.result')
result = []
if all([self.tax_date, self.unit_price, self.quantity, self.currency]):
for taxline in self._get_taxes():
del taxline['manual']
result.append(Result(**taxline))
return result
class TestTaxViewResult(ModelView):
"Test Tax"
__name__ = 'account.tax.test.result'
tax = fields.Many2One('account.tax', "Tax")
description = fields.Char("Description")
legal_notice = fields.Char("Legal Notice")
account = fields.Many2One('account.account', "Account")
base = fields.Numeric("Base")
amount = fields.Numeric("Amount")