partner-contact/base_location_nuts/models/res_partner_nuts.py

# Copyright 2015 Antonio Espinosa <antonio.espinosa@tecnativa.com>
# Copyright 2016 Jairo Llopis <jairo.llopis@tecnativa.com>
# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).

from odoo import fields, models


class ResPartnerNuts(models.Model):
    _name = "res.partner.nuts"
    _order = "parent_path"
    _parent_order = "name"
    _parent_store = True
    _description = "NUTS Item"

    # NUTS fields
    level = fields.Integer(required=True)
    code = fields.Char(required=True)
    name = fields.Char(required=True, translate=True)
    country_id = fields.Many2one(comodel_name="res.country", required=True)
    state_id = fields.Many2one(comodel_name="res.country.state")
    not_updatable = fields.Boolean()
    # Parent hierarchy
    parent_id = fields.Many2one(comodel_name="res.partner.nuts", ondelete="restrict")
    parent_path = fields.Char(index=True)
    child_ids = fields.One2many(
        comodel_name="res.partner.nuts", inverse_name="parent_id", string="Children"
    )