from odoo import api, fields, models class PosOrder(models.Model): _inherit = "pos.order" is_l10n_es_simplified_invoice = fields.Boolean("Simplified invoice") l10n_es_simplified_invoice_number = fields.Char("Simplified invoice number", compute="_compute_l10n_es_simplified_invoice_number") @api.depends("account_move") def _compute_l10n_es_simplified_invoice_number(self): for order in self: if order.is_l10n_es_simplified_invoice: order.l10n_es_simplified_invoice_number = order.account_move.name else: order.l10n_es_simplified_invoice_number = False def _prepare_invoice_vals(self): res = super()._prepare_invoice_vals() if self.config_id.is_spanish and self.is_l10n_es_simplified_invoice: res["journal_id"] = self.config_id.l10n_es_simplified_invoice_journal_id.id return res def get_invoice_name(self): return self.account_move.name