88 lines
3.2 KiB
Python
88 lines
3.2 KiB
Python
# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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from trytond.i18n import gettext
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from trytond.model import fields
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from trytond.pool import Pool, PoolMeta
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from trytond.pyson import Eval
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from .exceptions import InvoicePeppolError, InvoicePeppolRequired
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class Invoice(metaclass=PoolMeta):
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__name__ = 'account.invoice'
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peppol = fields.One2Many(
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'edocument.peppol', 'invoice', "Peppol", readonly=True,
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states={
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'invisible': ~Eval('peppol', []),
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})
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send_via_peppol = fields.Function(
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fields.Boolean("Send via Peppol"),
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'get_send_via_peppol')
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def get_send_via_peppol(self, name):
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if not self.peppol:
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peppol_types = self.party.get_multivalue(
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'peppol_types', company=self.company.id)
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return peppol_types and 'bis-billing-3' in peppol_types
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else:
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return bool(self.peppol)
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@property
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def peppol_required(self):
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def is_be_vat(identifier):
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return (identifier
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and (identifier.type == 'be_vat'
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or (identifier.type == 'eu_vat'
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and identifier.code_compact.startswith('BE'))))
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if (self.invoice_date
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and self.invoice_date.year >= 2026
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and is_be_vat(self.tax_identifier)
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and is_be_vat(self.party_tax_identifier)):
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return True
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return False
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@classmethod
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def _post(cls, invoices):
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pool = Pool()
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Peppol = pool.get('edocument.peppol')
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Warning = pool.get('res.user.warning')
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posted_invoices = {
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i for i in invoices if i.state in {'draft', 'validated'}}
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super()._post(invoices)
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peppol = []
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for invoice in posted_invoices:
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if invoice.type != 'out':
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continue
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if invoice.send_via_peppol:
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invoice.check_peppol()
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peppol.append(Peppol(
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direction='out',
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company=invoice.company,
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type='bis-billing-3',
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invoice=invoice))
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elif invoice.peppol_required:
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warning_key = Warning.format(
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'invoice_peppol_required', [
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invoice.party, invoice.company])
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if Warning.check(warning_key):
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raise InvoicePeppolRequired(warning_key, gettext(
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'edocument_peppol'
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'.msg_invoice_party_peppol_required',
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party=invoice.party.rec_name,
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invoice=invoice.rec_name))
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if peppol:
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Peppol.save(peppol)
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Peppol.submit(peppol)
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def check_peppol(self):
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"Check if the invoice is valid for Peppol"
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for line in self.lines:
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if line.type == 'line' and line.unit_price < 0: # BR-27
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raise InvoicePeppolError(gettext(
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'edocument_peppol.'
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'msg_invoice_line_unit_price_not_negative',
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invoice=self.rec_name,
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line=line.rec_name))
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