Add module sale_mrp_usability (backport of a feature of v14)

sale_mrp_usability/models/mrp_production.py

@@ -0,0 +1,39 @@
+# Backport from Odoo v14
+# Copyright Odoo SA
+# Same licence as Odoo (LGPL)
+
+from odoo import api, fields, models, _
+
+
+class MrpProduction(models.Model):
+    _inherit = 'mrp.production'
+
+    sale_order_count = fields.Integer(
+        "Count of Source SO",
+        compute='_compute_sale_order_count',
+        groups='sales_team.group_sale_salesman')
+
+    @api.depends('move_dest_ids.group_id.sale_id')
+    def _compute_sale_order_count(self):
+        for production in self:
+            production.sale_order_count = len(production.move_dest_ids.mapped('group_id').mapped('sale_id'))
+
+    def action_view_sale_orders(self):
+        self.ensure_one()
+        sale_order_ids = self.move_dest_ids.mapped('group_id').mapped('sale_id').ids
+        action = {
+            'res_model': 'sale.order',
+            'type': 'ir.actions.act_window',
+        }
+        if len(sale_order_ids) == 1:
+            action.update({
+                'view_mode': 'form',
+                'res_id': sale_order_ids[0],
+            })
+        else:
+            action.update({
+                'name': _("Sources Sale Orders of %s" % self.name),
+                'domain': [('id', 'in', sale_order_ids)],
+                'view_mode': 'tree,form',
+            })
+        return action