# Copyright 2014 Compassion CH - Cyril Sester <csester@compassion.ch>
# Copyright 2014 Tecnativa - Pedro M. Baeza
# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).

from flectra import api, fields, models, _
from flectra.exceptions import ValidationError


class ResPartnerBank(models.Model):
    _inherit = 'res.partner.bank'

    mandate_ids = fields.One2many(
        comodel_name='account.banking.mandate', inverse_name='partner_bank_id',
        string='Direct Debit Mandates',
        help='Banking mandates represent an authorization that the bank '
             'account owner gives to a company for a specific operation.')

    @api.constrains('company_id')
    def _company_constrains(self):
        for rpb in self:
            if self.env['account.banking.mandate'].sudo().search(
                    [('partner_bank_id', '=', rpb.id),
                     ('company_id', '!=', rpb.company_id.id)], limit=1):
                raise ValidationError(
                    _("You cannot change the company of Partner Bank %s, "
                      "as there exists mandates referencing it that "
                      "belong to another company.") % (rpb.display_name,))