import random

from odoo import models, api, fields


class SaleOrder(models.Model):
    _inherit = "sale.order"

    cp_order_id = fields.Many2one(
        'purchase_collective.order',
        string='Parent Collective Purchase',
        help='The collective purchase wich this order belongs',
        ondelete='restrict'
        )
    is_cp = fields.Boolean(string="Is part of a Collective Purchase")