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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 ProjectTask(models.Model):
_inherit = "project.task"
procurement_id = fields.Many2one('procurement.order', 'Procurement', ondelete='set null')
sale_line_id = fields.Many2one('sale.order.line', 'Sales Order Line', related='procurement_id.sale_line_id', store=True)
@api.multi
def unlink(self):
if any(task.sale_line_id for task in self):
raise ValidationError(_('You cannot delete a task related to a Sale Order. You can only archive this task.'))
return super(ProjectTask, self).unlink()
@api.multi
def action_view_so(self):
self.ensure_one()
return {
"type": "ir.actions.act_window",
"res_model": "sale.order",
"views": [[False, "form"]],
"res_id": self.sale_line_id.order_id.id,
"context": {"create": False, "show_sale": True},
}
@api.onchange('parent_id')
def onchange_parent_id(self):
self.procurement_id = self.parent_id.procurement_id.id
self.sale_line_id = self.parent_id.sale_line_id.id