Add a net_value column to invoices

TODO: localization
2016-08-22 17:19:45 +02:00
parent b8e77aeca4
commit 157a16810d
2 changed files with 13 additions and 3 deletions
--- a/src/pretix/base/models/invoices.py
+++ b/src/pretix/base/models/invoices.py
@@ -135,3 +135,7 @@ class InvoiceLine(models.Model):
    gross_value = models.DecimalField(max_digits=10, decimal_places=2)
    tax_value = models.DecimalField(max_digits=10, decimal_places=2, default=Decimal('0.00'))
    tax_rate = models.DecimalField(max_digits=7, decimal_places=2, default=Decimal('0.00'))
+
+    @property
+    def net_value(self):
+        return self.gross_value - self.tax_value