[IMP] mrp,sale_mrp: add origin of MO in chatter

Set sale order and production order link on Mo. override make_mo method in sale_mrp module to set sale order reference in mo.
.and to find final destination move, i created one common private method to get parent move.

MESSAGES TO DISPLAY:

-Set a Reordering Rule (stock.warehouse.orderpoint) that creates a manufacturing order:
"This manufacturing order has been created from: OP/00001"

-Create new Sales order of manufactured product , there will be a Source Document with procurement of that Sale Order
"This manufacturing order has been created from: SO001"

-create MO for BoM items of the product, there will be a Source Document with procurement of that Manufacturing Order
"This manufacturing order has been created from: MO/00001"

addons/mrp/models/procurement.py

@@ -83,8 +83,18 @@ class ProcurementOrder(models.Model):
             if bom:
                 # create the MO as SUPERUSER because the current user may not have the rights to do it (mto product launched by a sale for example)
                 production = ProductionSudo.create(procurement._prepare_mo_vals(bom))
+                origin_production = procurement.move_dest_id.raw_material_production_id
+                orderpoint = procurement.orderpoint_id
+                if orderpoint:
+                    production.message_post_with_view('mail.message_origin_link',
+                        values={'self': production, 'origin': orderpoint},
+                        subtype_id=self.env.ref('mail.mt_note').id)
+                if origin_production:
+                    production.message_post_with_view('mail.message_origin_link',
+                        values={'self': production, 'origin': origin_production},
+                        subtype_id=self.env.ref('mail.mt_note').id)
+
                 res[procurement.id] = production.id
-                procurement.message_post(body=_("Manufacturing Order <em>%s</em> created.") % (production.name))
             else:
                 res[procurement.id] = False
                 procurement.message_post(body=_("No BoM exists for this product!"))

addons/sale_mrp/__init__.py

@@ -2,3 +2,4 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 import sale_mrp
+import models

addons/sale_mrp/models/__init__.py

@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+import procurement

addons/sale_mrp/models/procurement.py

@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, models
+
+
+class ProcurementOrder(models.Model):
+    _inherit = 'procurement.order'
+
+    @api.multi
+    def make_mo(self):
+        """ override method to set link in production created from sale order."""
+        res = super(ProcurementOrder, self).make_mo()
+        for procurement_id, production_id in res.items():
+            if production_id:
+                production = self.env['mrp.production'].browse(production_id)
+                move = production._get_parent_move(production.move_finished_ids[0])
+                sale_order = move.procurement_id.sale_line_id.order_id
+                if sale_order:
+                    production.message_post_with_view('mail.message_origin_link',
+                            values={'self': production, 'origin': sale_order},
+                            subtype_id=self.env.ref('mail.mt_note').id)
+        return res

addons/sale_mrp/sale_mrp.py

@@ -11,14 +11,15 @@ class MrpProduction(models.Model):
     sale_name = fields.Char(compute='_compute_sale_name_sale_ref', string='Sale Name', help='Indicate the name of sales order.')
     sale_ref = fields.Char(compute='_compute_sale_name_sale_ref', string='Sale Reference', help='Indicate the Customer Reference from sales order.')
 
+    def _get_parent_move(self, move):
+        if move.move_dest_id:
+            return self._get_parent_move(move.move_dest_id)
+        return move
+
     @api.multi
     def _compute_sale_name_sale_ref(self):
-        def get_parent_move(move):
-            if move.move_dest_id:
-                return get_parent_move(move.move_dest_id)
-            return move
         for production in self:
-            move = get_parent_move(production.move_finished_ids[0])
+            move = production._get_parent_move(production.move_finished_ids[0])
             production.sale_name = move.procurement_id and move.procurement_id.sale_line_id and move.procurement_id.sale_line_id.order_id.name or False
             production.sale_ref = move.procurement_id and move.procurement_id.sale_line_id and move.procurement_id.sale_line_id.order_id.client_order_ref or False