# -*- coding: utf-8 -*- # Part of Odoo. See LICENSE file for full copyright and licensing details. from odoo import api, fields, models class Product(models.Model): _inherit = 'product.template' membership = fields.Boolean(help='Check if the product is eligible for membership.') membership_date_from = fields.Date(string='Membership Start Date', help='Date from which membership becomes active.') membership_date_to = fields.Date(string='Membership End Date', help='Date until which membership remains active.') _sql_constraints = [ ('membership_date_greater', 'check(membership_date_to >= membership_date_from)', 'Error! Ending Date cannot be set before Beginning Date.') ]