# -*- coding: utf-8 -*-

from odoo import api, fields, models, _
from odoo.exceptions import UserError, RedirectWarning, ValidationError, except_orm, Warning
from datetime import datetime


class AccountMove(models.Model):
    _inherit = "account.move"

    period_start_date = fields.Date(string="Period")
    period_end_date = fields.Date(string="Period")
    period_id = fields.Many2one(string="Period")

    def action_post(self):
        if self.period_id and self.period_id.state == "Open":
            super(AccountMove, self).action_post()
        else:
            raise ValidationError(_('Period of this Journal has been closed'))