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# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.
from odoo import api, fields, models, _
from odoo.exceptions import ValidationError
class CouponRule(models.Model):
_name = 'coupon.rule'
_description = "Coupon Rule"
rule_date_from = fields.Datetime(string="Start Date", help="Coupon program start date")
rule_date_to = fields.Datetime(string="End Date", help="Coupon program end date")
rule_partners_domain = fields.Char(string="Based on Customers", help="Coupon program will work for selected customers only")
rule_products_domain = fields.Char(string="Based on Products", default=[['sale_ok', '=', True]], help="On Purchase of selected product, reward will be given")
rule_min_quantity = fields.Integer(string="Minimum Quantity", default=1,
help="Minimum required product quantity to get the reward")
rule_minimum_amount = fields.Float(default=0.0, help="Minimum required amount to get the reward")
rule_minimum_amount_tax_inclusion = fields.Selection([
('tax_included', 'Tax Included'),
('tax_excluded', 'Tax Excluded')], default="tax_excluded")
@api.constrains('rule_date_to', 'rule_date_from')
def _check_rule_date_from(self):
if any(applicability for applicability in self
if applicability.rule_date_to and applicability.rule_date_from
and applicability.rule_date_to < applicability.rule_date_from):
raise ValidationError(_('The start date must be before the end date'))
@api.constrains('rule_minimum_amount')
def _check_rule_minimum_amount(self):
if self.filtered(lambda applicability: applicability.rule_minimum_amount < 0):
raise ValidationError(_('Minimum purchased amount should be greater than 0'))
@api.constrains('rule_min_quantity')
def _check_rule_min_quantity(self):
if not self.rule_min_quantity > 0:
raise ValidationError(_('Minimum quantity should be greater than 0'))
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