1 files changed, 49 insertions, 0 deletions
diff --git a/addons/l10n_ar/models/res_partner_bank.py b/addons/l10n_ar/models/res_partner_bank.py
new file mode 100644
index 00000000..5f5104c3
--- /dev/null
+++ b/addons/l10n_ar/models/res_partner_bank.py
@@ -0,0 +1,49 @@
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+from odoo import models, api, _
+from odoo.exceptions import ValidationError
+import logging
+_logger = logging.getLogger(__name__)
+
+
+try:
+    from stdnum.ar.cbu import validate as validate_cbu
+except ImportError:
+    import stdnum
+    _logger.warning("stdnum.ar.cbu is avalaible from stdnum >= 1.6. The one installed is %s" % stdnum.__version__)
+
+    def validate_cbu(number):
+        def _check_digit(number):
+            """Calculate the check digit."""
+            weights = (3, 1, 7, 9)
+            check = sum(int(n) * weights[i % 4] for i, n in enumerate(reversed(number)))
+            return str((10 - check) % 10)
+        number = stdnum.util.clean(number, ' -').strip()
+        if len(number) != 22:
+            raise ValidationError('Invalid Length')
+        if not number.isdigit():
+            raise ValidationError('Invalid Format')
+        if _check_digit(number[:7]) != number[7]:
+            raise ValidationError('Invalid Checksum')
+        if _check_digit(number[8:-1]) != number[-1]:
+            raise ValidationError('Invalid Checksum')
+        return number
+
+
+class ResPartnerBank(models.Model):
+
+    _inherit = 'res.partner.bank'
+
+    @api.model
+    def _get_supported_account_types(self):
+        """ Add new account type named cbu used in Argentina """
+        res = super()._get_supported_account_types()
+        res.append(('cbu', _('CBU')))
+        return res
+
+    @api.model
+    def retrieve_acc_type(self, acc_number):
+        try:
+            validate_cbu(acc_number)
+        except Exception:
+            return super().retrieve_acc_type(acc_number)
+        return 'cbu'