Fix task 025, command@bees follower of purchase order

beesdoo_purchase/models/purchase.py

@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+from openerp import models, api
+
+class PurchaseOrder(models.Model):
+    _inherit = 'purchase.order'
+
+    @api.model
+    def create(self, vals):
+        purchase_order = super(PurchaseOrder, self).create(vals)
+        command_contact = self.env.ref('beesdoo_base.commande_beescoop', raise_if_not_found=False)
+        types = self.env['mail.message.subtype'].search([('res_model','=','purchase.order')])
+        
+        if command_contact:
+            self.message_subscribe(partner_ids=command_contact, subtype_ids=types)
+            # self.env['mail.followers'].create({'res_model' : 'purchase.order', 'res_id' : purchase_order.id, 'partner_id' : command_contact.id}) 
+            
+        return purchase_order