voucher validity

Vouchers expiry after 90 days. 7 days before expiry date there is a notification about it.

Closes #212 (closed)

smash/web/forms/voucher_forms.py

@@ -66,7 +66,7 @@ class VoucherForm(ModelForm):
         instance = super(VoucherForm, self).save(commit=False)
         if not instance.id:
             instance.issue_date = timezone.now()
-            instance.expiry_date = instance.issue_date + datetime.timedelta(days=92)
+            instance.expiry_date = instance.issue_date + datetime.timedelta(days=90)
             max_id = str(1).zfill(5)
             if Voucher.objects.all().count() > 0:
                 max_id = str(Voucher.objects.latest('id').id + 1).zfill(5)

[Valentin Groues]

maybe move the number of days for expiration into the settings or a constant