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# Copyright 2017 Grant Thornton Spain - Ismael Calvo <ismael.calvo@es.gt.com>
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
from odoo import _, api, fields, models
from odoo.exceptions import ValidationError
from odoo.tools import config
class ResPartner(models.Model):
_inherit = "res.partner"
vat = fields.Char(copy=False)
@api.constrains("vat")
def _check_vat_unique(self):
for record in self:
if record.parent_id or not record.vat:
continue
test_condition = config["test_enable"] and not self.env.context.get(
"test_vat"
)
if test_condition:
continue
results = self.env["res.partner"].search_count(
[
("parent_id", "=", False),
("vat", "=", record.vat),
("id", "!=", record.id),
]
)
if results:
raise ValidationError(
_("The VAT %s already exists in another " "partner.") % record.vat
)