# Part of Odoo. See LICENSE file for full copyright and licensing details. import qrcode import io import base64 import datetime from odoo import api, fields, models from odoo.exceptions import UserError from odoo.addons.l10n_tw_edi_ecpay.utils import call_ecpay_api, transfer_time class PoSOrder(models.Model): _inherit = "pos.order" l10n_tw_edi_is_print = fields.Boolean(string="Print") l10n_tw_edi_love_code = fields.Char(string="Love Code") l10n_tw_edi_carrier_type = fields.Selection( string="Carrier Type", selection=[ ("1", "ECpay e-invoice carrier"), ("2", "Citizen Digital Certificate"), ("3", "Mobile Barcode"), ("4", "EasyCard"), ("5", "iPass"), ], ) l10n_tw_edi_carrier_number = fields.Char(string="Carrier Number") l10n_tw_edi_carrier_number_2 = fields.Char(string="Carrier Number 2") l10n_tw_edi_is_b2b = fields.Boolean(string="Is B2B", compute="_compute_l10n_tw_edi_is_b2b") invoice_month = fields.Char(string="Invoice Month") iis_number = fields.Char(string="Invoice Number") iis_create_date = fields.Datetime(string="Creation Date") iis_random_number = fields.Char(string="Random Number") l10n_tw_edi_invoice_amount = fields.Float(string="Invoice Amount") iis_tax_amount = fields.Float(string="Tax Amount") l10n_tw_edi_ecpay_seller_identifier = fields.Char(string="Seller Tax ID number") pos_barcode = fields.Char(string="POS Barcode") qrcode_left = fields.Char(string="Qr code (Left)") qrcode_right = fields.Char(string="Qr code (Right)") ecpay_error = fields.Boolean(string="EcPay Error", default=False) @api.depends("partner_id") def _compute_l10n_tw_edi_is_b2b(self): for rec in self: rec.l10n_tw_edi_is_b2b = rec.partner_id.commercial_partner_id.is_company def _prepare_invoice_vals(self): vals = super()._prepare_invoice_vals() companies = self.company_id if len(companies) > 1: raise UserError(self.env._("POS orders from different companies cannot be consolidated into one invoice.")) source_order = self[0] if source_order.company_id.account_fiscal_country_id.code == 'TW': if len(self) > 1 and any(order.config_id.is_ecpay_enabled for order in self): raise UserError(self.env._("With EcPay enabled, POS orders cannot be consolidated into one invoice.")) vals.update({ 'l10n_tw_edi_is_print': source_order.l10n_tw_edi_is_print, 'l10n_tw_edi_love_code': source_order.l10n_tw_edi_love_code, 'l10n_tw_edi_carrier_type': source_order.l10n_tw_edi_carrier_type, 'l10n_tw_edi_carrier_number': source_order.l10n_tw_edi_carrier_number, 'l10n_tw_edi_carrier_number_2': source_order.l10n_tw_edi_carrier_number_2, }) if source_order.refunded_order_id: vals.update({ "l10n_tw_edi_ecpay_invoice_id": source_order.refunded_order_id.account_move.l10n_tw_edi_ecpay_invoice_id, "l10n_tw_edi_invoice_create_date": source_order.refunded_order_id.account_move.l10n_tw_edi_invoice_create_date, "l10n_tw_edi_refund_agreement_type": "offline", "l10n_tw_edi_allowance_notify_way": "email", }) return vals @api.model def _l10n_tw_edi_set_invoice_month(self, create_date): """Calculate the Taiwanese invoice billing period string. In Taiwan, electronic uniform invoices are issued based on the Minguo calendar and grouped into bimonthly periods. 1. Year: The Minguo year is calculated by subtracting 1911 from the Western year (e.g., 2026 - 1911 = 115年(year)). 2. Bimonthly Periods: Invoices are declared in fixed 2-month clusters: - Jan/Feb, Mar/Apr, May/Jun, Jul/Aug, Sep/Oct, Nov/Dec. - Even months round backward (e.g., February belongs to 1-2月(month)). - Odd months round forward (e.g., May belongs to 5-6月(month)). :param str create_date: UTC timestamp string ("YYYY-MM-DD HH:MM:SS") :return str: Formatted period (e.g., "115年5-6月") """ invoice_create_date = datetime.datetime.strptime(create_date, "%Y-%m-%d %H:%M:%S") # Define the month range for every two months if invoice_create_date.month % 2 == 0: invoice_month = f"{invoice_create_date.year - 1911}年{invoice_create_date.month - 1}-{invoice_create_date.month}月" else: invoice_month = f"{invoice_create_date.year - 1911}年{invoice_create_date.month}-{invoice_create_date.month + 1}月" return invoice_month def _generate_qr_code_image(self, qr_data): qr = qrcode.make(qr_data) temp = io.BytesIO() qr.save(temp, format="PNG") return base64.b64encode(temp.getvalue()).decode("utf-8") def l10n_tw_edi_get_uniform_invoice(self): self.ensure_one() invoice = self.account_move if not invoice: self.ecpay_error = True return {"ecpay_error": self.env._("No invoice found linked to this record.")} json_data = { "MerchantID": self.company_id.sudo().l10n_tw_edi_ecpay_merchant_id, "RelateNumber": invoice.l10n_tw_edi_related_number, } response_data = call_ecpay_api("/GetIssue", json_data, self.company_id, invoice.l10n_tw_edi_is_b2b) json_response = {} if response_data.get('RtnCode') != 1: self.ecpay_error = True return { "ecpay_error": self.env._( "\n Invoice number: %(invoice_name)s \n Error: %(rtn_msg)s", invoice_name=invoice.name, rtn_msg=response_data.get('RtnMsg'), ), } create_date = response_data.get("IIS_Create_Date") # The date return from Ecpay API used "+" instead of " " parsed_create_date = create_date and create_date.replace("+", " ") self.write({ "invoice_month": self._l10n_tw_edi_set_invoice_month(parsed_create_date) if parsed_create_date else False, "iis_number": response_data.get("IIS_Number"), "iis_create_date": transfer_time(parsed_create_date) if parsed_create_date else False, "iis_random_number": response_data.get("IIS_Random_Number"), "l10n_tw_edi_invoice_amount": response_data.get("IIS_Sales_Amount"), "iis_tax_amount": response_data.get("IIS_Tax_Amount"), "l10n_tw_edi_ecpay_seller_identifier": self.company_id.vat, "l10n_tw_edi_carrier_number": response_data.get("IIS_Carrier_Num"), "l10n_tw_edi_carrier_type": response_data.get("IIS_Carrier_Type"), "pos_barcode": response_data.get("PosBarCode"), "qrcode_left": self._generate_qr_code_image(response_data.get("QRCode_Left")), "qrcode_right": self._generate_qr_code_image(response_data.get("QRCode_Right")), "ecpay_error": False, }) json_response.update({ "invoice_month": self.invoice_month, "iis_number": self.iis_number, "iis_create_date": self.iis_create_date, "iis_random_number": self.iis_random_number, "iis_tax_amount": self.iis_tax_amount, "l10n_tw_edi_invoice_amount": self.l10n_tw_edi_invoice_amount, "iis_identifier": response_data.get("IIS_Identifier"), "l10n_tw_edi_carrier_type": self.l10n_tw_edi_carrier_type, "l10n_tw_edi_carrier_number": self.l10n_tw_edi_carrier_number, "iis_category": response_data.get("IIS_Category"), "l10n_tw_edi_ecpay_seller_identifier": self.company_id.vat, "pos_barcode": self.pos_barcode, "qrcode_left": self.qrcode_left, "qrcode_right": self.qrcode_right, }) return json_response