# -*- coding: utf-8 -*- # Part of Odoo. See LICENSE file for full copyright and licensing details. import datetime from odoo import api, fields, models, SUPERUSER_ID, _ class StockLot(models.Model): _inherit = 'stock.lot' use_expiration_date = fields.Boolean( string='Use Expiration Date', related='product_id.use_expiration_date') expiration_date = fields.Datetime( string='Expiration Date', compute='_compute_expiration_date', store=True, readonly=False, help='This is the date on which the goods with this Serial Number may become dangerous and must not be consumed.') use_date = fields.Datetime(string='Best before Date', compute='_compute_dates', store=True, readonly=False, help='This is the date on which the goods with this Serial Number start deteriorating, without being dangerous yet.') removal_date = fields.Datetime(string='Removal Date', compute='_compute_dates', store=True, readonly=False, help='This is the date on which the goods with this Serial Number should be removed from the stock. This date will be used in FEFO removal strategy.') alert_date = fields.Datetime(string='Alert Date', compute='_compute_dates', store=True, readonly=False, help='Date to determine the expired lots and serial numbers using the filter "Expiration Alerts".') product_expiry_alert = fields.Boolean(compute='_compute_product_expiry_alert', help="The Expiration Date has been reached.") product_expiry_reminded = fields.Boolean(string="Expiry has been reminded") @api.depends('expiration_date') def _compute_product_expiry_alert(self): current_date = fields.Datetime.now() for lot in self: if lot.expiration_date: lot.product_expiry_alert = lot.expiration_date <= current_date else: lot.product_expiry_alert = False @api.depends('product_id') def _compute_expiration_date(self): self.expiration_date = False for lot in self: if lot.product_id.use_expiration_date and not lot.expiration_date: duration = lot.product_id.product_tmpl_id.expiration_time lot.expiration_date = datetime.datetime.now() + datetime.timedelta(days=duration) @api.depends('product_id', 'expiration_date') def _compute_dates(self): for lot in self: if not lot.product_id.use_expiration_date: lot.use_date = False lot.removal_date = False lot.alert_date = False elif lot.expiration_date: # when create if lot.product_id != lot._origin.product_id or \ (not lot.use_date and not lot.removal_date and not lot.alert_date) or \ (lot.expiration_date and not lot._origin.expiration_date): product_tmpl = lot.product_id.product_tmpl_id lot.use_date = lot.expiration_date - datetime.timedelta(days=product_tmpl.use_time) lot.removal_date = lot.expiration_date - datetime.timedelta(days=product_tmpl.removal_time) lot.alert_date = lot.expiration_date - datetime.timedelta(days=product_tmpl.alert_time) # when change elif lot._origin.expiration_date: time_delta = lot.expiration_date - lot._origin.expiration_date lot.use_date = lot._origin.use_date and lot._origin.use_date + time_delta lot.removal_date = lot._origin.removal_date and lot._origin.removal_date + time_delta lot.alert_date = lot._origin.alert_date and lot._origin.alert_date + time_delta @api.model def _alert_date_exceeded(self): """Log an activity on internally stored lots whose alert_date has been reached. No further activity will be generated on lots whose alert_date has already been reached (even if the alert_date is changed). """ alert_lots = self.env['stock.lot'].search([ ('alert_date', '<=', fields.Date.today()), ('product_expiry_reminded', '=', False)]) lot_stock_quants = self.env['stock.quant'].search([ ('lot_id', 'in', alert_lots.ids), ('quantity', '>', 0), ('location_id.usage', '=', 'internal')]) alert_lots = lot_stock_quants.mapped('lot_id') for lot in alert_lots: lot.activity_schedule( 'product_expiry.mail_activity_type_alert_date_reached', user_id=lot.product_id.with_company(lot.company_id).responsible_id.id or lot.product_id.responsible_id.id or SUPERUSER_ID, note=_("The alert date has been reached for this lot/serial number") ) alert_lots.write({ 'product_expiry_reminded': True }) class ProcurementGroup(models.Model): _inherit = 'procurement.group' @api.model def _run_scheduler_tasks(self, use_new_cursor=False, company_id=False): super(ProcurementGroup, self)._run_scheduler_tasks(use_new_cursor=use_new_cursor, company_id=company_id) self.env['stock.lot']._alert_date_exceeded() if use_new_cursor: self.env.cr.commit()