from odoo import api, fields, models class AccountMove(models.Model): _inherit = 'account.move' l10n_pl_vat_b_spv = fields.Boolean( string='B_SPV', help="Transfer of a single-purpose voucher effected by a taxable person acting on his/its own behalf", ) l10n_pl_vat_b_spv_dostawa = fields.Boolean( string='B_SPV_Dostawa', help="Supply of goods and/or services covered by a single-purpose voucher to a taxpayer", ) l10n_pl_vat_b_mpv_prowizja = fields.Boolean( string='B_MPV_Prowizja', help="Supply of agency and other services pertaining to the transfer of a single-purpose voucher", ) @api.depends('country_code') def _compute_show_taxable_supply_date(self): super()._compute_show_taxable_supply_date() for move in self.filtered(lambda m: m.country_code == 'PL' and m.move_type != 'entry' and (m.state == 'draft' or m.taxable_supply_date)): move.show_taxable_supply_date = True @api.depends('country_code') def _compute_taxable_supply_date_placeholder(self): super()._compute_taxable_supply_date_placeholder() for move in self.filtered(lambda m: m.country_code == 'PL'): move.taxable_supply_date_placeholder = self.env._("Invoice Date") def _get_accounting_date_source(self): self.ensure_one() if self.country_code == 'PL' and self.taxable_supply_date: return self.taxable_supply_date return super()._get_accounting_date_source() def _get_invoice_currency_rate_date(self): self.ensure_one() if self.country_code == 'PL' and self.taxable_supply_date: return self.taxable_supply_date return super()._get_invoice_currency_rate_date()