res_partner.py

from odoo import api, fields, models
import logging

log = logging.getLogger(__name__)


class ResPartner(models.Model):
    _description = 'Location'
    _inherit = 'res.partner'
    is_location = fields.Boolean(index=True)
    geom = fields.GeoPolygon(index=True)

    def search(self, args, offset=0, limit=None, order=None, count=False):
        # this could have a check for this add domain based on a context value
        partner_id = self.env.user.partner_id
        args.append(('parent_id', '=', partner_id.id))
        return super(ResPartner, self). \
            search(args, offset, limit, order, count)

    @api.model_create_multi
    def create(self, values):
        for val in values:
            is_location = val.get('is_location')
            company_id = val.get('company_id')
            parent_id = val.get('parent_id')
            if is_location:
                if not company_id and not parent_id:
                    partner_id = self.env.user.partner_id
                    val['parent_id'] = partner_id.id

        return super(ResPartner, self).create(values)