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# © 2017 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
from odoo import models, fields
class SaleOrder(models.Model):
_inherit = 'sale.order'
agreement_id = fields.Many2one(
comodel_name='agreement', string='Agreement', ondelete='restrict',
track_visibility='onchange', readonly=True, copy=False,
states={'draft': [('readonly', False)], 'sent': [('readonly', False)]})
agreement_type_id = fields.Many2one(
comodel_name="agreement.type", string="Agreement Type",
ondelete="restrict",
track_visibility='onchange', readonly=True, copy=True,
states={'draft': [('readonly', False)], 'sent': [('readonly', False)]})