Late commits

uncloud_pay/selectors.py

@@ -1,6 +1,9 @@
 from django.utils import timezone
 from django.db import transaction
+from django.db.models import Q
 
+from uncloud.selectors import filter_for_when
+from uncloud.models import UncloudProvider
 from .models import *
 
 def get_payments_for_user(user):
@@ -24,3 +27,32 @@ def get_balance_for_user(user):
 
 def get_billing_address_for_user(user):
     return BillingAddress.objects.get(owner=user, active=True)
+
+def get_vat_rate(billing_address, when=None):
+    """
+    Returns the VAT rate for business to customer.
+
+    B2B is always 0% with the exception of trading within the own country
+    """
+
+    country = billing_address.country
+
+    # Need to have a provider country
+    uncloud_provider = filter_for_when(UncloudProvider.objects.all()).get()
+    vatrate = filter_for_when(VATRate.objects.filter(territory_codes=country), when).first()
+
+    # By default we charge VAT. This affects:
+    # - Same country sales (VAT applied)
+    # - B2C to EU  (VAT applied)
+    rate = vatrate.rate
+
+    # Exception: if...
+    # - the billing_address is in EU,
+    # - the vat_number has been set
+    # - the vat_number has been verified
+    # Then we do not charge VAT
+
+    if uncloud_provider.country != country and billing_address.vat_number and billing_address.vat_number_verified:
+        rate = 0
+
+    return rate