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from odoo import api, fields, models
from odoo.exceptions import UserError
from odoo.tools.translate import _
class AccountTaxTemplate(models.Model):
_inherit = 'account.tax.template'
l10n_de_datev_code = fields.Char(size=2)
def _get_tax_vals(self, company, tax_template_to_tax):
vals = super(AccountTaxTemplate, self)._get_tax_vals(company, tax_template_to_tax)
vals['l10n_de_datev_code'] = self.l10n_de_datev_code
return vals
class AccountTax(models.Model):
_inherit = "account.tax"
l10n_de_datev_code = fields.Char(size=2, help="2 digits code use by Datev")
class AccountMove(models.Model):
_inherit = 'account.move'
def _post(self, soft=True):
# OVERRIDE to check the invoice lines taxes.
for invoice in self.filtered(lambda move: move.is_invoice()):
for line in invoice.invoice_line_ids:
account_tax = line.account_id.tax_ids.ids
if account_tax and invoice.company_id.country_id.code == 'DE':
account_name = line.account_id.name
for tax in line.tax_ids:
if tax.id not in account_tax:
raise UserError(_('Account %s does not authorize to have tax %s specified on the line. \
Change the tax used in this invoice or remove all taxes from the account') % (account_name, tax.name))
return super()._post(soft)
class ProductTemplate(models.Model):
_inherit = "product.template"
def _get_product_accounts(self):
""" As taxes with a different rate need a different income/expense account, we add this logic in case people only use
invoicing to not be blocked by the above constraint"""
result = super(ProductTemplate, self)._get_product_accounts()
company = self.env.company
if company.country_id.code == "DE":
if not self.property_account_income_id:
taxes = self.taxes_id.filtered(lambda t: t.company_id == company)
if not result['income'] or (result['income'].tax_ids and taxes and taxes[0] not in result['income'].tax_ids):
result['income'] = self.env['account.account'].search([('internal_group', '=', 'income'), ('deprecated', '=', False),
('tax_ids', 'in', taxes.ids)], limit=1)
if not self.property_account_expense_id:
supplier_taxes = self.supplier_taxes_id.filtered(lambda t: t.company_id == company)
if not result['expense'] or (result['expense'].tax_ids and supplier_taxes and supplier_taxes[0] not in result['expense'].tax_ids):
result['expense'] = self.env['account.account'].search([('internal_group', '=', 'expense'), ('deprecated', '=', False),
('tax_ids', 'in', supplier_taxes.ids)], limit=1)
return result
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