Handle tax_id creation

datacenterlight/templates/datacenterlight/order_detail.html

@@ -33,7 +33,12 @@
                           {{billing_address.street_address}}, {{billing_address.postal_code}}<br>
                           {{billing_address.city}}, {{billing_address.country}}
                           {% if billing_address.vat_number %}
-                          <br/>{% trans "VAT Number" %} {{billing_address.vat_number}}
+                          <br/>{% trans "VAT Number" %} {{billing_address.vat_number}}&nbsp;
+                                {% if vm.vat_validation_status == "verified" %}
+                                    <span class="fa fa-fw fa-check-circle" aria-hidden="true" title='{% trans "Your VAT number has been verified" %}'></span>
+                                {% else %}
+                                    <span class="fa fa-fw fa-info-circle" aria-hidden="true" title='{% trans "Your VAT number is under validation. VAT will be adjusted, once the validation is complete." %}'></span>
+                                {% endif %}
                           {% endif %}
                       {% endwith %}
                     </p>

datacenterlight/utils.py

@@ -1,7 +1,9 @@
+import datetime
 import logging
 
 import pyotp
 import requests
+import stripe
 from django.conf import settings
 from django.contrib.sites.models import Site
 
@@ -9,12 +11,13 @@ from datacenterlight.tasks import create_vm_task
 from hosting.models import HostingOrder, HostingBill, OrderDetail
 from membership.models import StripeCustomer
 from utils.forms import UserBillingAddressForm
-from utils.models import BillingAddress
+from utils.models import BillingAddress, UserBillingAddress
 from .cms_models import CMSIntegration
 from .models import VMPricing, VMTemplate
 
 logger = logging.getLogger(__name__)
 
+
 def get_cms_integration(name):
     current_site = Site.objects.get_current()
     try:
@@ -124,3 +127,67 @@ def check_otp(name, realm, token):
         data=data
     )
     return response.status_code
+
+
+def validate_vat_number(self, stripe_customer_id, vat_number):
+    try:
+        billing_address = BillingAddress.objects.get(vat_number=vat_number)
+    except BillingAddress.DoesNotExist as dne:
+        billing_address = None
+        logger.debug("BillingAddress does not exist for %s" % vat_number)
+    except BillingAddress.MultipleObjectsReturned as mor:
+        logger.debug("Multiple BillingAddress exist for %s" % vat_number)
+        billing_address = BillingAddress.objects.last(vat_number=vat_number)
+    if billing_address is not None:
+        if billing_address.vat_number_validated_on:
+            return {
+                "validated_on": billing_address.vat_number_validated_on,
+                "status": "verified"
+            }
+        else:
+            if billing_address.stripe_tax_id:
+                tax_id_obj = stripe.Customer.retrieve_tax_id(
+                  stripe_customer_id,
+                  billing_address.stripe_tax_id,
+                )
+                if tax_id_obj.verification.status == "verified":
+                    return {
+                        "status": "verified",
+                        "validated_on": billing_address.vat_number_validated_on
+                    }
+                else:
+                    return {
+                        "status": tax_id_obj.verification.status,
+                        "validated_on": ""
+                    }
+            else:
+                tax_id_obj = create_tax_id(stripe_customer_id, vat_number)
+    else:
+        tax_id_obj = create_tax_id(stripe_customer_id, vat_number)
+
+    return {
+        "status": tax_id_obj.verification.status,
+        "validated_on": datetime.datetime.now() if tax_id_obj.verification.status == "verified" else ""
+    }
+
+
+def create_tax_id(stripe_customer_id, vat_number):
+    tax_id_obj = stripe.Customer.create_tax_id(
+        stripe_customer_id,
+        type="eu_vat",
+        value=vat_number,
+    )
+    b_addresses = BillingAddress.objects.filter(
+        stripe_customer_id=stripe_customer_id,
+        vat_number=vat_number
+    )
+    for b_address in b_addresses:
+        b_address.stripe_tax_id = tax_id_obj.id
+
+    ub_addresses = UserBillingAddress.objects.filter(
+        stripe_customer_id=stripe_customer_id,
+        vat_number=vat_number
+    )
+    for ub_address in ub_addresses:
+        ub_address.stripe_tax_id = tax_id_obj.id
+    return tax_id_obj

datacenterlight/views.py

@@ -35,7 +35,9 @@ from utils.tasks import send_plain_email_task
 from .cms_models import DCLCalculatorPluginModel
 from .forms import ContactForm
 from .models import VMTemplate, VMPricing
-from .utils import get_cms_integration, create_vm, clear_all_session_vars
+from .utils import (
+    get_cms_integration, create_vm, clear_all_session_vars, validate_vat_number
+)
 
 logger = logging.getLogger(__name__)
 
@@ -540,6 +542,14 @@ class PaymentOrderView(FormView):
             else:
                 request.session['customer'] = customer
 
+            validate_result = validate_vat_number(
+                stripe_customer_id=request.session['customer'],
+                vat_number=address_form.cleaned_data.get('vat_number')
+            )
+
+            request.session["vat_validation_status"] = validate_result["status"]
+            request.session["vat_validated_on"] = validate_result["validated_on"]
+
             # For generic payment we take the user directly to confirmation
             if ('generic_payment_type' in request.session and
                     self.request.session['generic_payment_type'] == 'generic'):
@@ -596,6 +606,10 @@ class OrderConfirmationView(DetailView, FormView):
 
         if ('generic_payment_type' in request.session and
                 self.request.session['generic_payment_type'] == 'generic'):
+            if request.session["vat_validation_status"] == "verified":
+                request.session['generic_payment_details']['vat_rate'] = 0
+                request.session['generic_payment_details']['vat_amount'] = 0
+                request.session['generic_payment_details']['amount'] = request.session['generic_payment_details']['amount_before_vat']
             context.update({
                 'generic_payment_details':
                     request.session['generic_payment_details'],
@@ -614,11 +628,20 @@ class OrderConfirmationView(DetailView, FormView):
                 vat_rate=user_country_vat_rate * 100
             )
             vm_specs["price"] = price
+
+            if request.session["vat_validation_status"] == "verified":
+                vm_specs["vat_percent"] = 0
+                vm_specs["vat"] = 0
+                vm_specs["total_price"] = price
+                vm_specs["vat_validation_status"] = "verified"
+            else:
                 vm_specs["vat"] = vat
                 vm_specs["vat_percent"] = vat_percent
+                vm_specs["total_price"] = round(price + vat - discount['amount'], 2)
+                vm_specs["vat_validation_status"] = request.session["vat_validation_status"]
+
             vm_specs["vat_country"] = user_vat_country
             vm_specs["discount"] = discount
-            vm_specs["total_price"] = round(price + vat - discount['amount'], 2)
             request.session['specs'] = vm_specs
 
             context.update({