wip purchase_collective.

ToDo: Plantillas de correo, crear picking por supplier

purchase_collective/models/sale_order.py

@@ -0,0 +1,16 @@
+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")
+