dynamicweb/datacenterlight/utils.py

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import datetime
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import logging
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import pyotp
import requests
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import stripe
from django.conf import settings
from django.contrib.sites.models import Site
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from datacenterlight.tasks import create_vm_task
from hosting.models import HostingOrder, HostingBill, OrderDetail
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from membership.models import StripeCustomer
from utils.forms import UserBillingAddressForm
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from utils.models import BillingAddress, UserBillingAddress
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from utils.stripe_utils import StripeUtils
from .cms_models import CMSIntegration
from .models import VMPricing, VMTemplate
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logger = logging.getLogger(__name__)
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eu_countries = ['at', 'be', 'bg', 'ch', 'cy', 'cz', 'hr', 'dk',
'ee', 'fi', 'fr', 'mc', 'de', 'gr', 'hu', 'ie', 'it',
'lv', 'lu', 'mt', 'nl', 'po', 'pt', 'ro','sk', 'si', 'es',
'se', 'gb']
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def get_cms_integration(name):
current_site = Site.objects.get_current()
try:
cms_integration = CMSIntegration.objects.get(
name=name, domain=current_site
)
except CMSIntegration.DoesNotExist:
cms_integration = CMSIntegration.objects.get(name=name, domain=None)
return cms_integration
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def create_vm(billing_address_data, stripe_customer_id, specs,
stripe_subscription_obj, card_details_dict, request,
vm_template_id, template, user):
billing_address = BillingAddress(
cardholder_name=billing_address_data['cardholder_name'],
street_address=billing_address_data['street_address'],
city=billing_address_data['city'],
postal_code=billing_address_data['postal_code'],
country=billing_address_data['country'],
vat_number=billing_address_data['vat_number'],
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)
billing_address.save()
customer = StripeCustomer.objects.filter(id=stripe_customer_id).first()
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vm_pricing = (
VMPricing.get_vm_pricing_by_name(name=specs['pricing_name'])
if 'pricing_name' in specs else
VMPricing.get_default_pricing()
)
final_price = (
specs.get('total_price')
if 'total_price' in specs
else specs.get('price')
)
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# Create a Hosting Order with vm_id = 0, we shall set it later in
# celery task once the VM instance is up and running
order = HostingOrder.create(
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price=final_price,
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customer=customer,
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billing_address=billing_address,
vm_pricing=vm_pricing
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)
order_detail_obj, obj_created = OrderDetail.objects.get_or_create(
vm_template=VMTemplate.objects.get(
opennebula_vm_template_id=vm_template_id
),
cores=specs['cpu'], memory=specs['memory'], ssd_size=specs['disk_size']
)
order.order_detail = order_detail_obj
order.save()
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# Create a Hosting Bill
HostingBill.create(customer=customer, billing_address=billing_address)
# Create Billing Address for User if he does not have one
if not customer.user.billing_addresses.count():
billing_address_data.update({
'user': customer.user.id
})
billing_address_user_form = UserBillingAddressForm(
billing_address_data
)
billing_address_user_form.is_valid()
billing_address_user_form.save()
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# Associate the given stripe subscription with the order
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order.set_subscription_id(
stripe_subscription_obj.id, card_details_dict
)
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# Set order status approved
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order.set_approved()
create_vm_task.delay(vm_template_id, user, specs, template, order.id)
clear_all_session_vars(request)
def clear_all_session_vars(request):
if request.session is not None:
for session_var in ['specs', 'template', 'billing_address',
'billing_address_data', 'card_id',
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'token', 'customer', 'generic_payment_type',
'generic_payment_details', 'product_id',
'order_confirm_url', 'new_user_hosting_key_id',
'vat_validation_status', 'billing_address_id']:
if session_var in request.session:
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del request.session[session_var]
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def check_otp(name, realm, token):
data = {
"auth_name": settings.AUTH_NAME,
"auth_token": pyotp.TOTP(settings.AUTH_SEED).now(),
"auth_realm": settings.AUTH_REALM,
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"name": name,
"realm": realm,
"token": token
}
response = requests.post(
"https://{OTP_SERVER}{OTP_VERIFY_ENDPOINT}".format(
OTP_SERVER=settings.OTP_SERVER,
OTP_VERIFY_ENDPOINT=settings.OTP_VERIFY_ENDPOINT
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),
data=data
)
return response.status_code
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def validate_vat_number(stripe_customer_id, billing_address_id,
is_user_ba=False):
if is_user_ba:
try:
billing_address = UserBillingAddress.objects.get(
id=billing_address_id)
except UserBillingAddress.DoesNotExist as dne:
billing_address = None
logger.debug(
"UserBillingAddress does not exist for %s" % billing_address_id)
except UserBillingAddress.MultipleObjectsReturned as mor:
logger.debug(
"Multiple UserBillingAddress exist for %s" % billing_address_id)
billing_address = UserBillingAddress.objects.filter(
id=billing_address_id).order_by('-id').first()
else:
try:
billing_address = BillingAddress.objects.get(id=billing_address_id)
except BillingAddress.DoesNotExist as dne:
billing_address = None
logger.debug("BillingAddress does not exist for %s" % billing_address_id)
except BillingAddress.MultipleObjectsReturned as mor:
logger.debug("Multiple BillingAddress exist for %s" % billing_address_id)
billing_address = BillingAddress.objects.filter(id=billing_address_id).order_by('-id').first()
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if billing_address is not None:
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logger.debug("BillingAddress found: %s %s type=%s" % (
billing_address_id, str(billing_address), type(billing_address)))
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if billing_address.country.lower().strip() not in eu_countries:
return {
"validated_on": "",
"status": "not_needed"
}
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if billing_address.vat_number_validated_on:
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logger.debug("billing_address verified on %s" %
billing_address.vat_number_validated_on)
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return {
"validated_on": billing_address.vat_number_validated_on,
"status": "verified"
}
else:
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logger.debug("billing_address not yet verified, "
"Checking if we already have a tax id")
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if billing_address.stripe_tax_id:
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logger.debug("We have a tax id %s" % billing_address.stripe_tax_id)
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tax_id_obj = stripe.Customer.retrieve_tax_id(
stripe_customer_id,
billing_address.stripe_tax_id,
)
if tax_id_obj.verification.status == "verified":
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logger.debug("Latest status on Stripe=%s. Updating" %
tax_id_obj.verification.status)
# update billing address
billing_address.vat_number_validated_on = datetime.datetime.now()
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billing_address.vat_validation_status = tax_id_obj.verification.status
billing_address.save()
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return {
"status": "verified",
"validated_on": billing_address.vat_number_validated_on
}
else:
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billing_address.vat_validation_status = tax_id_obj.verification.status
billing_address.save()
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logger.debug(
"Latest status on Stripe=%s" % str(tax_id_obj)
)
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return {
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"status": tax_id_obj.verification.status if tax_id_obj
else "unknown",
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"validated_on": ""
}
else:
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logger.debug("Creating a tax id")
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logger.debug("Billing address = %s" % str(billing_address))
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tax_id_obj = create_tax_id(
stripe_customer_id, billing_address_id,
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"ch_vat" if billing_address.country.lower() == "ch" else "eu_vat",
is_user_ba=is_user_ba
)
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logger.debug("tax_id_obj = %s" % str(tax_id_obj))
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else:
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logger.debug("invalid billing address")
return {
"status": "invalid billing address",
"validated_on": ""
}
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if 'response_object' in tax_id_obj:
return tax_id_obj
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return {
"status": tax_id_obj.verification.status,
"validated_on": datetime.datetime.now() if tax_id_obj.verification.status == "verified" else ""
}
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def create_tax_id(stripe_customer_id, billing_address_id, type,
is_user_ba=False):
if is_user_ba:
try:
billing_address = UserBillingAddress.objects.get(
id=billing_address_id)
except UserBillingAddress.DoesNotExist as dne:
billing_address = None
logger.debug(
"UserBillingAddress does not exist for %s" % billing_address_id)
except UserBillingAddress.MultipleObjectsReturned as mor:
logger.debug(
"Multiple UserBillingAddress exist for %s" % billing_address_id)
billing_address = UserBillingAddress.objects.filter(
id=billing_address_id).order_by('-id').first()
else:
try:
billing_address = BillingAddress.objects.get(id=billing_address_id)
except BillingAddress.DoesNotExist as dne:
billing_address = None
logger.debug("BillingAddress does not exist for %s" % billing_address_id)
except BillingAddress.MultipleObjectsReturned as mor:
logger.debug("Multiple BillingAddress exist for %s" % billing_address_id)
billing_address = BillingAddress.objects.filter(billing_address_id).order_by('-id').first()
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tax_id_obj = None
if billing_address:
stripe_utils = StripeUtils()
tax_id_response = stripe_utils.get_or_create_tax_id_for_user(
stripe_customer_id,
vat_number=billing_address.vat_number,
type=type,
country=billing_address.country
)
tax_id_obj = tax_id_response.get('response_object')
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if not tax_id_obj:
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logger.debug("Received none in tax_id_obj")
return {
'paid': False,
'response_object': None,
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'error': "No such address found" if 'error' not in tax_id_response else
tax_id_response["error"]
}
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try:
stripe_customer = StripeCustomer.objects.get(stripe_id=stripe_customer_id)
billing_address_set = set()
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logger.debug("Updating billing address")
for ho in stripe_customer.hostingorder_set.all():
if ho.billing_address.vat_number == billing_address.vat_number:
billing_address_set.add(ho.billing_address)
for b_address in billing_address_set:
b_address.stripe_tax_id = tax_id_obj.id
b_address.vat_validation_status = tax_id_obj.verification.status
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b_address.save()
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logger.debug("Updated billing_address %s" % str(b_address))
ub_addresses = stripe_customer.user.billing_addresses.filter(
vat_number=billing_address.vat_number)
for ub_address in ub_addresses:
ub_address.stripe_tax_id = tax_id_obj.id
ub_address.vat_validation_status = tax_id_obj.verification.status
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ub_address.save()
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logger.debug("Updated user_billing_address %s" % str(ub_address))
except StripeCustomer.DoesNotExist as dne:
logger.debug("StripeCustomer %s does not exist" % stripe_customer_id)
billing_address.stripe_tax_id = tax_id_obj.id
billing_address.vat_validation_status = tax_id_obj.verification.status
billing_address.save()
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return tax_id_obj