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1 files changed, 25 insertions, 0 deletions

diff --git a/fixco_custom/models/sale.py b/fixco_custom/models/sale.py
index b8aa963..b880113 100755
--- a/fixco_custom/models/sale.py
+++ b/fixco_custom/models/sale.py
@@ -21,6 +21,31 @@ class SaleOrder(models.Model):
 
     deadline_date = fields.Datetime('Deadline', copy=False)
 
+    total_discount = fields.Monetary(
+        string='Total Discount',
+        compute='_compute_total_discount',
+        currency_field='currency_id',
+    )
+
+    @api.depends(
+        'order_line.price_unit',
+        'order_line.product_uom_qty',
+        'order_line.discount',
+    )
+    def _compute_total_discount(self):
+        for order in self:
+            total = 0.0
+            for line in order.order_line:
+                if line.discount:
+                    line_discount = (
+                        line.price_unit
+                        * line.product_uom_qty
+                        * line.discount / 100
+                    )
+                    total += line_discount
+            order.total_discount = total
+
+
     def create_invoices(self):
         created_invoices = self.env['account.move']
         for order in self: