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# 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 decimal import Decimal
from trytond.i18n import gettext
from trytond.model import ModelSQL, fields
from trytond.modules.account.exceptions import AccountMissing
from trytond.modules.company.model import CompanyValueMixin
from trytond.pool import Pool, PoolMeta
from trytond.pyson import Eval
from trytond.transaction import Transaction
class Configuration(metaclass=PoolMeta):
__name__ = 'account.configuration'
cash_rounding = fields.MultiValue(fields.Boolean("Cash Rounding"))
cash_rounding_credit_account = fields.MultiValue(fields.Many2One(
'account.account', "Cash Rounding Credit Account",
domain=[
('type', '!=', None),
('closed', '!=', True),
('company', '=', Eval('context', {}).get('company', -1)),
],
states={
'required': Eval('cash_rounding', False),
}))
cash_rounding_debit_account = fields.MultiValue(fields.Many2One(
'account.account', "Cash Rounding Debit Account",
domain=[
('type', '!=', None),
('closed', '!=', True),
('company', '=', Eval('context', {}).get('company', -1)),
],
states={
'required': Eval('cash_rounding', False),
}))
@classmethod
def multivalue_model(cls, field):
pool = Pool()
if field in {
'cash_rounding',
'cash_rounding_credit_account',
'cash_rounding_debit_account',
}:
return pool.get('account.configuration.cash_rounding_account')
return super().multivalue_model(field)
class ConfigurationCashRoundingAccount(ModelSQL, CompanyValueMixin):
"Account Configuration Cash Rounding Account"
__name__ = 'account.configuration.cash_rounding_account'
cash_rounding = fields.Boolean("Cash Rounding")
cash_rounding_credit_account = fields.Many2One(
'account.account', "Cash Rounding Credit Account",
domain=[
('type', '!=', None),
('closed', '!=', True),
('company', '=', Eval('company', -1)),
])
cash_rounding_debit_account = fields.Many2One(
'account.account', "Cash Rounding Debit Account",
domain=[
('type', '!=', None),
('closed', '!=', True),
('company', '=', Eval('company', -1)),
])
class Invoice(metaclass=PoolMeta):
__name__ = 'account.invoice'
cash_rounding = fields.Boolean(
"Cash Rounding",
states={
'readonly': Eval('state') != 'draft',
})
@fields.depends('company', 'type')
def on_change_company(self):
pool = Pool()
Config = pool.get('account.configuration')
config = Config(1)
try:
super().on_change_company()
except AttributeError:
pass
if self.type == 'out':
self.cash_rounding = config.get_multivalue(
'cash_rounding',
company=self.company.id if self.company else None)
@classmethod
def default_cash_rounding(cls, **pattern):
pool = Pool()
Config = pool.get('account.configuration')
config = Config(1)
if cls.default_type() == 'out':
return config.get_multivalue(
'cash_rounding', **pattern)
@fields.depends(methods=['_on_change_lines_taxes'])
def on_change_cash_rounding(self):
self._on_change_lines_taxes()
@fields.depends('cash_rounding', methods=['_cash_round_total_amount'])
def _on_change_lines_taxes(self):
super()._on_change_lines_taxes()
if self.cash_rounding:
self.total_amount = self._cash_round_total_amount(
self.total_amount)
@classmethod
def get_amount(cls, invoices, names):
amounts = super().get_amount(invoices, names)
if 'total_amount' in names:
total_amounts = amounts['total_amount']
for invoice in invoices:
if invoice.cash_rounding:
amount = total_amounts[invoice.id]
amount = invoice._cash_round_total_amount(amount)
total_amounts[invoice.id] = amount
return amounts
@fields.depends(
'currency', 'payment_term', 'company', 'invoice_date',
'payment_term_date')
def _cash_round_total_amount(self, amount):
"Round total amount according to cash rounding"
from trytond.modules.account_invoice.exceptions import (
PaymentTermComputeError)
pool = Pool()
Date = pool.get('ir.date')
if self.currency:
amounts = [amount]
if self.payment_term and self.company:
with Transaction().set_context(company=self.company.id):
today = Date.today()
payment_date = (
self.payment_term_date or self.invoice_date or today)
try:
term_lines = self.payment_term.compute(
amount, self.company.currency,
payment_date)
amounts = [a for _, a in term_lines]
except PaymentTermComputeError:
pass
amount = sum(map(self.currency.cash_round, amounts))
return amount
def _get_move_line(self, date, amount):
line = super()._get_move_line(date, amount)
if self.cash_rounding:
currency = self.company.currency
line.debit = currency.cash_round(line.debit)
line.credit = currency.cash_round(line.credit)
currency = line.second_currency
if currency:
line.amount_second_currency = currency.cash_round(
line.amount_second_currency)
return line
def get_move(self):
pool = Pool()
Configuration = pool.get('account.configuration')
MoveLine = pool.get('account.move.line')
move = super().get_move()
if self.cash_rounding:
config = Configuration(1)
total = Decimal(0)
total_currency = Decimal(0)
second_currency = None
for line in move.lines:
total += line.debit - line.credit
if line.amount_second_currency:
total_currency += line.amount_second_currency
second_currency = line.second_currency
if total or total_currency:
line = MoveLine()
if total <= 0:
line.debit, line.credit = -total, 0
line.account = config.get_multivalue(
'cash_rounding_debit_account',
company=self.company.id)
else:
line.debit, line.credit = 0, total
line.account = config.get_multivalue(
'cash_rounding_credit_account',
company=self.company.id)
if not line.account:
raise AccountMissing(
gettext(
'account_cash_rounding'
'.msg_missing_cash_rounding_account'))
if total_currency:
line.amount_second_currency = total_currency
line.second_currency = second_currency
lines = list(move.lines)
lines.append(line)
move.lines = lines
return move
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