from odoo import models, fields, api
from odoo.exceptions import UserError, ValidationError


class TukarGuling(models.Model):
    _name = 'tukar.guling'
    _description = 'Tukar Guling'
    _order = 'date desc, id desc'
    _rec_name = 'name'

    # Hanya 2 field seperti yang Anda inginkan
    name = fields.Char('Reference', required=True, copy=False, readonly=True, default='New')
    date = fields.Datetime('Date', default=fields.Datetime.now, required=True)

    # Sequence generator
    @api.model_create_multi
    def create(self, vals_list):
        for vals in vals_list:
            if vals.get('name', 'New') == 'New':
                vals['name'] = self.env['ir.sequence'].next_by_code('tukar.guling') or '0'
        return super(TukarGuling, self).create(vals_list)