dynamicweb/datacenterlight/views.py
2020-12-23 12:03:17 +05:30

1296 lines
56 KiB
Python

import logging
import json
import stripe
from django import forms
from django.conf import settings
from django.contrib import messages
from django.contrib.auth import login, authenticate
from django.core.exceptions import ValidationError
from django.core.urlresolvers import reverse
from django.http import HttpResponseRedirect, JsonResponse, Http404
from django.shortcuts import render
from django.utils.translation import get_language, ugettext_lazy as _
from django.views.decorators.cache import cache_control
from django.views.generic import FormView, CreateView, DetailView
from hosting.forms import (
HostingUserLoginForm, GenericPaymentForm, ProductPaymentForm,
UserHostingKeyForm
)
from hosting.models import (
HostingBill, HostingOrder, UserCardDetail, GenericProduct, UserHostingKey,
StripeTaxRate, IncompleteSubscriptions)
from membership.models import CustomUser, StripeCustomer
from opennebula_api.serializers import VMTemplateSerializer
from utils.forms import (
BillingAddressForm, BillingAddressFormSignup, UserBillingAddressForm,
BillingAddress
)
from utils.hosting_utils import (
get_vm_price_with_vat, get_all_public_keys, get_vat_rate_for_country,
get_vm_price_for_given_vat
)
from utils.stripe_utils import StripeUtils
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, validate_vat_number
)
logger = logging.getLogger(__name__)
class ContactUsView(FormView):
template_name = "datacenterlight/contact_form.html"
form_class = ContactForm
def get(self, request, *args, **kwargs):
return HttpResponseRedirect(reverse('datacenterlight:index'))
def form_invalid(self, form):
if self.request.is_ajax():
return self.render_to_response(
self.get_context_data(contact_form=form))
else:
return render(
self.request, 'datacenterlight/index.html',
self.get_context_data(contact_form=form)
)
def form_valid(self, form):
form.save()
from_emails = {
'glasfaser': 'glasfaser@ungleich.ch'
}
from_page = self.request.POST.get('from_page')
email_data = {
'subject': "{dcl_text} Message from {sender}".format(
dcl_text=settings.DCL_TEXT,
sender=form.cleaned_data.get('email')
),
'from_email': settings.DCL_SUPPORT_FROM_ADDRESS,
'to': [from_emails.get(from_page, 'support@ungleich.ch')],
'body': "\n".join(
["%s=%s" % (k, v) for (k, v) in form.cleaned_data.items()]),
'reply_to': [form.cleaned_data.get('email')],
}
send_plain_email_task.delay(email_data)
if self.request.is_ajax():
return self.render_to_response(
self.get_context_data(success=True, contact_form=form))
else:
return render(
self.request, 'datacenterlight/index.html',
self.get_context_data(success=True, contact_form=form)
)
class IndexView(CreateView):
template_name = "datacenterlight/index.html"
success_url = "/datacenterlight#requestform"
success_message = "Thank you, we will contact you as soon as possible"
def validate_cores(self, value):
if (value > 48) or (value < 1):
raise ValidationError(_('Invalid number of cores'))
def validate_memory(self, value):
if 'pid' in self.request.POST:
try:
plugin = DCLCalculatorPluginModel.objects.get(
id=self.request.POST['pid']
)
except DCLCalculatorPluginModel.DoesNotExist as dne:
logger.error(
str(dne) + " plugin_id: " + self.request.POST['pid']
)
raise ValidationError(_('Invalid calculator properties'))
if plugin.enable_512mb_ram:
if value % 1 == 0 or value == 0.5:
logger.debug(
"Given ram {value} is either 0.5 or a"
" whole number".format(value=value)
)
if (value > 200) or (value < 0.5):
raise ValidationError(_('Invalid RAM size'))
else:
raise ValidationError(_('Invalid RAM size'))
elif (value > 200) or (value < 1) or (value % 1 != 0):
raise ValidationError(_('Invalid RAM size'))
else:
raise ValidationError(_('Invalid RAM size'))
def validate_storage(self, value):
if (value > 2000) or (value < 10):
raise ValidationError(_('Invalid storage size'))
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
clear_all_session_vars(request)
return HttpResponseRedirect(reverse('datacenterlight:cms_index'))
def post(self, request):
cores = request.POST.get('cpu')
cores_field = forms.IntegerField(validators=[self.validate_cores])
memory = request.POST.get('ram')
memory_field = forms.FloatField(validators=[self.validate_memory])
storage = request.POST.get('storage')
storage_field = forms.IntegerField(validators=[self.validate_storage])
template_id = int(request.POST.get('config'))
pricing_name = request.POST.get('pricing_name')
vm_pricing = VMPricing.get_vm_pricing_by_name(pricing_name)
template = VMTemplate.objects.filter(
opennebula_vm_template_id=template_id
).first()
template_data = VMTemplateSerializer(template).data
referer_url = request.META['HTTP_REFERER']
if vm_pricing is None:
vm_pricing_name_msg = _(
"Incorrect pricing name. Please contact support"
"{support_email}".format(
support_email=settings.DCL_SUPPORT_FROM_ADDRESS
)
)
messages.add_message(
self.request, messages.ERROR, vm_pricing_name_msg,
extra_tags='pricing'
)
return HttpResponseRedirect(referer_url + "#order_form")
else:
vm_pricing_name = vm_pricing.name
try:
cores = cores_field.clean(cores)
except ValidationError as err:
msg = '{} : {}.'.format(cores, str(err))
messages.add_message(
self.request, messages.ERROR, msg, extra_tags='cores'
)
return HttpResponseRedirect(referer_url + "#order_form")
try:
memory = memory_field.clean(memory)
except ValidationError as err:
msg = '{} : {}.'.format(memory, str(err))
messages.add_message(
self.request, messages.ERROR, msg, extra_tags='memory'
)
return HttpResponseRedirect(referer_url + "#order_form")
try:
storage = storage_field.clean(storage)
except ValidationError as err:
msg = '{} : {}.'.format(storage, str(err))
messages.add_message(
self.request, messages.ERROR, msg, extra_tags='storage'
)
return HttpResponseRedirect(referer_url + "#order_form")
price, vat, vat_percent, discount = get_vm_price_with_vat(
cpu=cores,
memory=memory,
ssd_size=storage,
pricing_name=vm_pricing_name
)
specs = {
'cpu': cores,
'memory': memory,
'disk_size': storage,
'price': price,
'vat': vat,
'vat_percent': vat_percent,
'discount': discount,
'total_price': round(price + vat - discount['amount'], 2),
'pricing_name': vm_pricing_name
}
request.session['specs'] = specs
request.session['template'] = template_data
return HttpResponseRedirect(reverse('datacenterlight:payment'))
def get_success_url(self):
success_url = reverse('datacenterlight:index')
success_url += "#requestform"
return success_url
def get_context_data(self, **kwargs):
context = super(IndexView, self).get_context_data(**kwargs)
context.update({
'base_url': "{0}://{1}".format(
self.request.scheme, self.request.get_host()
),
'contact_form': ContactForm
})
return context
class WhyDataCenterLightView(IndexView):
template_name = "datacenterlight/whydatacenterlight.html"
class PaymentOrderView(FormView):
template_name = 'datacenterlight/landing_payment.html'
def get_form_class(self):
if self.request.user.is_authenticated():
return BillingAddressForm
else:
return BillingAddressFormSignup
def get_context_data(self, **kwargs):
context = super(PaymentOrderView, self).get_context_data(**kwargs)
if 'billing_address_data' in self.request.session:
billing_address_data = self.request.session['billing_address_data']
else:
billing_address_data = {}
if self.request.user.is_authenticated():
if billing_address_data:
billing_address_form = BillingAddressForm(
initial=billing_address_data
)
else:
billing_address_form = BillingAddressForm(
instance=self.request.user.billing_addresses.order_by('-id').first()
)
user = self.request.user
if hasattr(user, 'stripecustomer'):
stripe_customer = user.stripecustomer
else:
stripe_customer = None
cards_list = UserCardDetail.get_all_cards_list(
stripe_customer=stripe_customer
)
context.update({'cards_list': cards_list})
else:
billing_address_form = BillingAddressFormSignup(
initial=billing_address_data
)
context.update({
'stripe_key': settings.STRIPE_API_PUBLIC_KEY,
'site_url': reverse('datacenterlight:index'),
'login_form': HostingUserLoginForm(prefix='login_form'),
'billing_address_form': billing_address_form,
'cms_integration': get_cms_integration('default'),
})
if ('generic_payment_type' in self.request.session and
self.request.session['generic_payment_type'] == 'generic'):
if 'product_id' in self.request.session:
product = GenericProduct.objects.get(
id=self.request.session['product_id']
)
context.update({'generic_payment_form': ProductPaymentForm(
prefix='generic_payment_form',
initial={'product_name': product.product_name,
'amount': float(product.get_actual_price()),
'recurring': product.product_is_subscription,
'description': product.product_description,
},
product_id=product.id
), })
else:
context.update({'generic_payment_form': GenericPaymentForm(
prefix='generic_payment_form',
), })
else:
context.update({
'vm_pricing': VMPricing.get_vm_pricing_by_name(
self.request.session['specs']['pricing_name']
)
})
return context
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
request.session.pop('vat_validation_status')
if (('type' in request.GET and request.GET['type'] == 'generic')
or 'product_slug' in kwargs):
request.session['generic_payment_type'] = 'generic'
if 'generic_payment_details' in request.session:
request.session.pop('generic_payment_details')
request.session.pop('product_id')
if 'product_slug' in kwargs:
logger.debug("Product slug is " + kwargs['product_slug'])
try:
product = GenericProduct.objects.get(
product_slug=kwargs['product_slug']
)
except GenericProduct.DoesNotExist as dne:
logger.error(
"Product '{}' does "
"not exist".format(kwargs['product_slug'])
)
raise Http404()
request.session['product_id'] = product.id
elif 'specs' not in request.session:
return HttpResponseRedirect(reverse('datacenterlight:index'))
return self.render_to_response(self.get_context_data())
def post(self, request, *args, **kwargs):
if 'product' in request.POST:
# query for the supplied product
product = None
try:
product = GenericProduct.objects.get(
id=request.POST['generic_payment_form-product_name']
)
except GenericProduct.DoesNotExist as dne:
logger.error(
"The requested product '{}' does not exist".format(
request.POST['generic_payment_form-product_name']
)
)
except GenericProduct.MultipleObjectsReturned as mpe:
logger.error(
"There seem to be more than one product with "
"the name {}".format(
request.POST['generic_payment_form-product_name']
)
)
product = GenericProduct.objects.all(
product_name=request.
POST['generic_payment_form-product_name']
).first()
if product is None:
return JsonResponse({})
else:
return JsonResponse({
'amount': product.get_actual_price(),
'isSubscription': product.product_is_subscription
})
if 'login_form' in request.POST:
login_form = HostingUserLoginForm(
data=request.POST, prefix='login_form'
)
if login_form.is_valid():
email = login_form.cleaned_data.get('email')
password = login_form.cleaned_data.get('password')
auth_user = authenticate(email=email, password=password)
if auth_user:
login(self.request, auth_user)
if 'product_slug' in kwargs:
return HttpResponseRedirect(
reverse('show_product',
kwargs={
'product_slug': kwargs['product_slug']}
)
)
return HttpResponseRedirect(
reverse('datacenterlight:payment')
)
else:
context = self.get_context_data()
context['login_form'] = login_form
return self.render_to_response(context)
if request.user.is_authenticated():
address_form = BillingAddressForm(
data=request.POST,
)
else:
address_form = BillingAddressFormSignup(
data=request.POST,
)
if address_form.is_valid():
# Check if we are in a generic payment case and handle the generic
# payment details form before we go on to verify payment
if ('generic_payment_type' in request.session and
self.request.session['generic_payment_type'] == 'generic'):
if 'product_id' in request.session:
generic_payment_form = ProductPaymentForm(
data=request.POST, prefix='generic_payment_form',
product_id=request.session['product_id']
)
else:
generic_payment_form = GenericPaymentForm(
data=request.POST, prefix='generic_payment_form'
)
if generic_payment_form.is_valid():
logger.debug("Generic payment form is valid.")
if 'product_id' in request.session:
product = generic_payment_form.product
else:
product = generic_payment_form.cleaned_data.get(
'product_name'
)
user_country_vat_rate = get_vat_rate_for_country(
address_form.cleaned_data["country"]
)
gp_details = {
"product_name": product.product_name,
"vat_rate": 0 if product.exclude_vat_calculations else
user_country_vat_rate * 100,
"vat_amount": 0 if product.exclude_vat_calculations
else round(
float(product.product_price) *
user_country_vat_rate, 2),
"vat_country": address_form.cleaned_data["country"],
"amount_before_vat": round(
float(product.product_price), 2),
"amount": product.get_actual_price(
vat_rate=get_vat_rate_for_country(
address_form.cleaned_data["country"])
),
"recurring": generic_payment_form.cleaned_data.get(
'recurring'
),
"description": generic_payment_form.cleaned_data.get(
'description'
),
"product_id": product.id,
"product_slug": product.product_slug,
"recurring_interval":
product.product_subscription_interval,
"exclude_vat_calculations": product.exclude_vat_calculations
}
request.session["generic_payment_details"] = (
gp_details
)
else:
logger.debug("Generic payment form invalid")
context = self.get_context_data()
context['generic_payment_form'] = generic_payment_form
context['billing_address_form'] = address_form
return self.render_to_response(context)
token = address_form.cleaned_data.get('token')
if token is '':
card_id = address_form.cleaned_data.get('card')
try:
user_card_detail = UserCardDetail.objects.get(id=card_id)
if not request.user.has_perm(
'view_usercarddetail', user_card_detail
):
raise UserCardDetail.DoesNotExist(
_("{user} does not have permission to access the "
"card").format(user=request.user.email)
)
except UserCardDetail.DoesNotExist as e:
ex = str(e)
logger.error("Card Id: {card_id}, Exception: {ex}".format(
card_id=card_id, ex=ex
)
)
msg = _("An error occurred. Details: {}".format(ex))
messages.add_message(
self.request, messages.ERROR, msg,
extra_tags='make_charge_error'
)
return HttpResponseRedirect(
reverse('datacenterlight:payment') + '#payment_error'
)
request.session['card_id'] = user_card_detail.id
else:
request.session['token'] = token
if request.user.is_authenticated():
this_user = {
'email': request.user.email,
'name': request.user.name
}
customer = StripeCustomer.get_or_create(
email=this_user.get('email'), token=token
)
else:
user_email = address_form.cleaned_data.get('email')
user_name = address_form.cleaned_data.get('name')
this_user = {
'email': user_email,
'name': user_name
}
try:
custom_user = CustomUser.objects.get(email=user_email)
customer = StripeCustomer.objects.filter(
user_id=custom_user.id).first()
if customer is None:
logger.debug(
("User {email} is already registered with us."
"But, StripeCustomer does not exist for {email}."
"Hence, creating a new StripeCustomer.").format(
email=user_email
)
)
customer = StripeCustomer.create_stripe_api_customer(
email=user_email,
token=token,
customer_name=user_name)
except CustomUser.DoesNotExist:
logger.debug(
("StripeCustomer does not exist for {email}."
"Hence, creating a new StripeCustomer.").format(
email=user_email
)
)
customer = StripeCustomer.create_stripe_api_customer(
email=user_email,
token=token,
customer_name=user_name)
billing_address = address_form.save()
request.session["billing_address_id"] = billing_address.id
request.session['billing_address_data'] = address_form.cleaned_data
request.session['user'] = this_user
# Get or create stripe customer
if not customer:
address_form.add_error(
"__all__", "Invalid credit card"
)
return self.render_to_response(
self.get_context_data(
billing_address_form=address_form
)
)
if type(customer) is StripeCustomer:
request.session['customer'] = customer.stripe_id
else:
request.session['customer'] = customer
vat_number = address_form.cleaned_data.get('vat_number').strip()
if vat_number:
validate_result = validate_vat_number(
stripe_customer_id=request.session['customer'],
billing_address_id=billing_address.id
)
if 'error' in validate_result and validate_result['error']:
messages.add_message(
request, messages.ERROR, validate_result["error"],
extra_tags='vat_error'
)
return HttpResponseRedirect(
reverse('datacenterlight:payment') + '#vat_error'
)
request.session["vat_validation_status"] = validate_result["status"]
# 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'):
return HttpResponseRedirect(
reverse('datacenterlight:order_confirmation'))
else:
self.request.session['order_confirm_url'] = reverse('datacenterlight:order_confirmation')
return HttpResponseRedirect(
reverse('datacenterlight:add_ssh_key'))
else:
context = self.get_context_data()
context['billing_address_form'] = address_form
return self.render_to_response(context)
class OrderConfirmationView(DetailView, FormView):
form_class = UserHostingKeyForm
template_name = "datacenterlight/order_detail.html"
payment_template_name = 'datacenterlight/landing_payment.html'
context_object_name = "order"
model = HostingOrder
def get_form_kwargs(self):
kwargs = super(OrderConfirmationView, self).get_form_kwargs()
kwargs.update({'request': self.request})
return kwargs
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
context = {}
if (('specs' not in request.session or 'user' not in request.session)
and 'generic_payment_type' not in request.session):
return HttpResponseRedirect(reverse('datacenterlight:index'))
if 'token' in self.request.session:
token = self.request.session['token']
stripe_utils = StripeUtils()
card_details = stripe_utils.get_cards_details_from_token(
token
)
if not card_details.get('response_object'):
return HttpResponseRedirect(reverse('hosting:payment'))
card_details_response = card_details['response_object']
context['cc_last4'] = card_details_response['last4']
context['cc_brand'] = card_details_response['brand']
context['cc_exp_year'] = card_details_response['exp_year']
context['cc_exp_month'] = '{:02d}'.format(card_details_response['exp_month'])
else:
card_id = self.request.session.get('card_id')
card_detail = UserCardDetail.objects.get(id=card_id)
context['cc_last4'] = card_detail.last4
context['cc_brand'] = card_detail.brand
context['cc_exp_year'] = card_detail.exp_year
context['cc_exp_month'] ='{:02d}'.format(card_detail.exp_month)
if ('generic_payment_type' in request.session and
self.request.session['generic_payment_type'] == 'generic'):
if "vat_validation_status" in request.session and (
request.session["vat_validation_status"] == "verified" or
request.session["vat_validation_status"] == "not_needed"):
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'],
})
else:
vm_specs = request.session.get('specs')
user_vat_country = (
request.session.get('billing_address_data').get("country")
)
user_country_vat_rate = get_vat_rate_for_country(user_vat_country)
price, vat, vat_percent, discount = get_vm_price_for_given_vat(
cpu=vm_specs['cpu'],
memory=vm_specs['memory'],
ssd_size=vm_specs['disk_size'],
pricing_name=vm_specs['pricing_name'],
vat_rate=user_country_vat_rate * 100
)
vm_specs["price"] = price
vm_specs["price_after_discount"] = price - discount["amount"]
vat_number = request.session.get('billing_address_data').get("vat_number")
billing_address = BillingAddress.objects.get(id=request.session["billing_address_id"])
if vat_number:
validate_result = validate_vat_number(
stripe_customer_id=request.session['customer'],
billing_address_id=billing_address.id
)
if 'error' in validate_result and validate_result['error']:
messages.add_message(
request, messages.ERROR, validate_result["error"],
extra_tags='vat_error'
)
return HttpResponseRedirect(
reverse('datacenterlight:payment') + '#vat_error'
)
request.session["vat_validation_status"] = validate_result["status"]
if user_vat_country.lower() == "ch":
vm_specs["vat"] = vat
vm_specs["vat_percent"] = vat_percent
vm_specs["vat_validation_status"] = "ch_vat"
elif ("vat_validation_status" in request.session and
(request.session["vat_validation_status"] == "verified" or
request.session["vat_validation_status"] == "not_needed")):
vm_specs["vat_percent"] = 0
vm_specs["vat"] = 0
vm_specs["vat_validation_status"] = request.session["vat_validation_status"]
else:
vm_specs["vat"] = vat
vm_specs["vat_percent"] = vat_percent
vm_specs["vat_validation_status"] = request.session["vat_validation_status"] if "vat_validation_status" in request.session else ""
vm_specs["vat_country"] = user_vat_country
vm_specs["price_with_vat"] = round(price * (1 + vm_specs["vat_percent"] * 0.01), 2)
vm_specs["price_after_discount"] = round(price - discount['amount'], 2)
vm_specs["price_after_discount_with_vat"] = round((price - discount['amount']) * (1 + vm_specs["vat_percent"] * 0.01), 2)
discount["amount_with_vat"] = round(vm_specs["price_with_vat"] - vm_specs["price_after_discount_with_vat"], 2)
vm_specs["total_price"] = vm_specs["price_after_discount_with_vat"]
vm_specs["discount"] = discount
logger.debug(vm_specs)
request.session['specs'] = vm_specs
context.update({
'vm': vm_specs,
'form': UserHostingKeyForm(request=self.request),
'keys': get_all_public_keys(self.request.user)
})
context.update({
'site_url': reverse('datacenterlight:index'),
'page_header_text': _('Confirm Order'),
'billing_address_data': (
request.session.get('billing_address_data')
),
'cms_integration': get_cms_integration('default'),
})
return render(request, self.template_name, context)
def post(self, request, *args, **kwargs):
stripe_onetime_charge = None
stripe_customer_obj = None
gp_details = None
specs = None
vm_template_id = 0
template = None
user = request.session.get('user')
stripe_api_cus_id = request.session.get('customer')
stripe_utils = StripeUtils()
logger.debug("user=%s stripe_api_cus_id=%s" % (user, stripe_api_cus_id))
card_details_response = None
if 'token' in request.session:
card_details = stripe_utils.get_cards_details_from_token(
request.session.get('token')
)
logger.debug(
"card_details=%s" % (card_details))
if not card_details.get('response_object'):
msg = card_details.get('error')
return show_error(msg, self.request)
card_details_response = card_details['response_object']
card_details_dict = {
'last4': card_details_response['last4'],
'brand': card_details_response['brand'],
'card_id': card_details_response['card_id']
}
stripe_customer_obj = StripeCustomer.objects.filter(
stripe_id=stripe_api_cus_id).first()
if stripe_customer_obj:
ucd = UserCardDetail.get_user_card_details(
stripe_customer_obj, card_details_response
)
if not ucd:
acc_result = stripe_utils.associate_customer_card(
stripe_api_cus_id, request.session['token'],
set_as_default=True
)
if acc_result['response_object'] is None:
msg = _(
'An error occurred while associating the card.'
' Details: {details}'.format(
details=acc_result['error']
)
)
return show_error(msg, self.request)
elif 'card_id' in request.session:
card_id = request.session.get('card_id')
user_card_detail = UserCardDetail.objects.get(id=card_id)
card_details_dict = {
'last4': user_card_detail.last4,
'brand': user_card_detail.brand,
'card_id': user_card_detail.card_id
}
logger.debug("card_details_dict=%s" % card_details_dict)
else:
response = {
'status': False,
'redirect': "{url}#{section}".format(
url=reverse('datacenterlight:payment'),
section='payment_error'),
'msg_title': str(_('Error.')),
'msg_body': str(
_('There was a payment related error.'
' On close of this popup, you will be redirected back to'
' the payment page.'))
}
return JsonResponse(response)
if ('generic_payment_type' in request.session and
self.request.session['generic_payment_type'] == 'generic'):
gp_details = self.request.session['generic_payment_details']
logger.debug("gp_details=%s" % gp_details)
if gp_details['recurring']:
# generic recurring payment
logger.debug("Commencing a generic recurring payment")
else:
# generic one time payment
logger.debug("Commencing a one time payment")
charge_response = stripe_utils.make_charge(
amount=gp_details['amount'],
customer=stripe_api_cus_id
)
stripe_onetime_charge = charge_response.get('response_object')
# Check if the payment was approved
if not stripe_onetime_charge:
msg = charge_response.get('error')
return show_error(msg, self.request)
if ('generic_payment_type' not in request.session or
(request.session['generic_payment_details']['recurring'])):
recurring_interval = 'month'
logger.debug("'generic_payment_type' not in request.session or"
"(request.session['generic_payment_details']['recurring']")
if 'generic_payment_details' in request.session:
vat_percent = request.session['generic_payment_details']['vat_rate']
vat_country = request.session['generic_payment_details']['vat_country']
if 'discount' in request.session['generic_payment_details']:
discount = request.session['generic_payment_details']['discount']
else:
discount = {'name': '', 'amount': 0, 'coupon_id': ''}
amount_to_be_charged = (
round(
request.session['generic_payment_details']['amount_before_vat'],
2
)
)
plan_name = "generic-{0}-{1:.2f}".format(
request.session['generic_payment_details']['product_id'],
amount_to_be_charged
)
stripe_plan_id = plan_name
recurring_interval = request.session['generic_payment_details']['recurring_interval']
if recurring_interval == "year":
plan_name = "{}-yearly".format(plan_name)
stripe_plan_id = plan_name
else:
template = request.session.get('template')
specs = request.session.get('specs')
vm_template_id = template.get('id', 1)
cpu = specs.get('cpu')
memory = specs.get('memory')
disk_size = specs.get('disk_size')
amount_to_be_charged = specs.get('price')
vat_percent = specs.get('vat_percent')
vat_country = specs.get('vat_country')
discount = specs.get('discount')
plan_name = StripeUtils.get_stripe_plan_name(
cpu=cpu,
memory=memory,
disk_size=disk_size,
price=amount_to_be_charged
)
stripe_plan_id = StripeUtils.get_stripe_plan_id(
cpu=cpu,
ram=memory,
ssd=disk_size,
version=1,
app='dcl',
price=amount_to_be_charged
)
logger.debug(specs)
stripe_plan = stripe_utils.get_or_create_stripe_plan(
amount=amount_to_be_charged,
name=plan_name,
stripe_plan_id=stripe_plan_id,
interval=recurring_interval
)
# Create StripeTaxRate if applicable to the user
logger.debug("vat_percent = %s, vat_country = %s" %
(vat_percent, vat_country)
)
stripe_tax_rate = None
if vat_percent > 0:
try:
stripe_tax_rate = StripeTaxRate.objects.get(
description="VAT for %s" % vat_country
)
print("Stripe Tax Rate exists")
except StripeTaxRate.DoesNotExist as dne:
print("StripeTaxRate does not exist")
tax_rate_obj = stripe.TaxRate.create(
display_name="VAT",
description="VAT for %s" % vat_country,
jurisdiction=vat_country,
percentage=vat_percent,
inclusive=False,
)
stripe_tax_rate = StripeTaxRate.objects.create(
display_name=tax_rate_obj.display_name,
description=tax_rate_obj.description,
jurisdiction=tax_rate_obj.jurisdiction,
percentage=tax_rate_obj.percentage,
inclusive=False,
tax_rate_id=tax_rate_obj.id
)
logger.debug("Created StripeTaxRate %s" %
stripe_tax_rate.tax_rate_id)
subscription_result = stripe_utils.subscribe_customer_to_plan(
stripe_api_cus_id,
[{"plan": stripe_plan.get('response_object').stripe_plan_id}],
coupon=(discount['stripe_coupon_id']
if 'name' in discount and
discount['name'] is not None and
'ipv6' in discount['name'].lower() and
discount['stripe_coupon_id']
else ""),
tax_rates=[stripe_tax_rate.tax_rate_id] if stripe_tax_rate else [],
)
stripe_subscription_obj = subscription_result.get('response_object')
logger.debug(stripe_subscription_obj)
latest_invoice = stripe.Invoice.retrieve(
stripe_subscription_obj.latest_invoice)
new_user_hosting_key_id = None
card_id = None
generic_payment_type = None
generic_payment_details = None
if 'generic_payment_details' in request.session:
generic_payment_details = request.session[
'generic_payment_details']
if 'generic_payment_type' in request.session:
generic_payment_type = request.session['generic_payment_type']
if 'new_user_hosting_key_id' in self.request.session:
new_user_hosting_key_id = request.session[
'new_user_hosting_key_id']
if 'card_id' in request.session:
card_id = request.session.get('card_id')
req = {
'scheme': self.request.scheme,
'host': self.request.get_host(),
'language': get_language(),
'new_user_hosting_key_id': new_user_hosting_key_id,
'card_id': card_id,
'generic_payment_type': generic_payment_type,
'generic_payment_details': generic_payment_details
}
subscription_status = ''
if stripe_subscription_obj:
subscription_status = stripe_subscription_obj.status
# Store params so that they can be retrieved later
IncompleteSubscriptions.objects.create(
subscription_id=stripe_subscription_obj.id,
subscription_status=subscription_status,
name=user.get('name'),
email=user.get('email'),
request=json.dumps(req),
stripe_api_cus_id=stripe_api_cus_id,
card_details_response=json.dumps(card_details_response),
stripe_subscription_obj=json.dumps(stripe_subscription_obj) if stripe_customer_obj else '',
stripe_onetime_charge=json.dumps(stripe_onetime_charge) if stripe_onetime_charge else '',
gp_details=json.dumps(gp_details) if gp_details else '',
specs=json.dumps(specs) if specs else '',
vm_template_id=vm_template_id if vm_template_id else 0,
template=json.dumps(template) if template else '',
billing_address_data=json.dumps(
request.session.get('billing_address_data')
)
)
# Check if the subscription was approved and is active
if (stripe_subscription_obj is None
or (stripe_subscription_obj.status != 'active'
and stripe_subscription_obj.status != 'incomplete')):
# At this point, we have created a Stripe API card and
# associated it with the customer; but the transaction failed
# due to some reason. So, we would want to dissociate this card
# here.
# ...
msg = subscription_result.get('error')
return show_error(msg, self.request)
elif stripe_subscription_obj.status == 'incomplete':
pi = stripe.PaymentIntent.retrieve(
latest_invoice.payment_intent
)
# TODO: requires_attention is probably wrong value to compare
if (pi.status == 'requires_attention' or
pi.status == 'requires_source_action'):
logger.debug("Display SCA authentication")
context = {
'sid': stripe_subscription_obj.id,
'payment_intent_secret': pi.client_secret,
'STRIPE_PUBLISHABLE_KEY': settings.STRIPE_API_PUBLIC_KEY,
'showSCA': True,
'success': {
'status': True,
'redirect': (
reverse('hosting:virtual_machines')
if request.user.is_authenticated()
else reverse('datacenterlight:index')
),
'msg_title': str(_('Thank you for the order.')),
'msg_body': str(
_('Your VM will be up and running in a few moments.'
' We will send you a confirmation email as soon as'
' it is ready.'))
},
'error': {
'status': False,
'redirect': "{url}#{section}".format(
url=(reverse(
'show_product',
kwargs={'product_slug':
request.session[
'generic_payment_details']
['product_slug']}
) if 'generic_payment_details' in request.session else
reverse('datacenterlight:payment')
),
section='payment_error'
),
'msg_title': str(_('Error.')),
'msg_body': str(
_('There was a payment related error.'
' On close of this popup, you will be redirected back to'
' the payment page.')
)
}
}
#clear_all_session_vars(request)
return JsonResponse(context)
else:
logger.debug(
"Handle this case when "
"stripe.subscription_status is incomplete but "
"pi.status is neither requires_attention nor "
"requires_source_action")
msg = subscription_result.get('error')
return show_error(msg, self.request)
do_create_vm(req, user, stripe_api_cus_id,
card_details_response, stripe_subscription_obj,
stripe_onetime_charge, gp_details, specs, vm_template_id,
template, request.session.get('billing_address_data')
)
response = {
'status': True,
'redirect': (
reverse('hosting:virtual_machines')
if request.user.is_authenticated()
else reverse('datacenterlight:index')
),
'msg_title': str(_('Thank you for the order.')),
'msg_body': str(
_('Your VM will be up and running in a few moments.'
' We will send you a confirmation email as soon as'
' it is ready.'))
}
return JsonResponse(response)
def do_create_vm(request, user, stripe_api_cus_id, card_details_response,
stripe_subscription_obj, stripe_onetime_charge, gp_details,
specs, vm_template_id, template, billing_address_data):
"""
:param request: a dict
{
'scheme': 'https',
'host': 'domain',
'language': 'en-us',
'new_user_hosting_key_id': 1,
'card_id': 1, # if usercarddetail exists already,
'generic_payment_type': 'generic' # represents a generic payment
'generic_payment_details': {
'amount': 100,
'recurring':
}
}
:param user: a dict
{
'name': 'John Doe',
'email': 'john@doe.com'
}
:param stripe_api_cus_id: 'cus_xxxxxxx' the actual stripe customer id str
:param card_details_response:
:param stripe_subscription_obj: The actual Stripe's Subscription Object
:param stripe_onetime_charge: Stripe's Charge object
:param gp_details:
:param specs:
:param vm_template_id:
:param template:
:return:
"""
# Create user if the user is not logged in and if he is not already
# registered
try:
custom_user = CustomUser.objects.get(
email=user.get('email'))
stripe_customer = StripeCustomer.objects.filter(
user_id=custom_user.id).first()
if stripe_customer is None:
stripe_customer = StripeCustomer.objects.create(
user=custom_user, stripe_id=stripe_api_cus_id
)
stripe_customer_id = stripe_customer.id
except CustomUser.DoesNotExist:
logger.debug(
"Customer {} does not exist.".format(user.get('email')))
password = CustomUser.get_random_password()
base_url = "{0}://{1}".format(request['scheme'],
request['host'])
custom_user = CustomUser.register(
user.get('name'), password,
user.get('email'),
app='dcl', base_url=base_url, send_email=True,
account_details=password
)
logger.debug("Created user {}.".format(user.get('email')))
stripe_customer = StripeCustomer.objects. \
create(user=custom_user, stripe_id=stripe_api_cus_id)
stripe_customer_id = stripe_customer.id
new_user = authenticate(username=custom_user.email,
password=password)
# TODO do we need login here ?
login(request, new_user)
if 'new_user_hosting_key_id' in request:
user_hosting_key = UserHostingKey.objects.get(
id=request['new_user_hosting_key_id'])
user_hosting_key.user = new_user
user_hosting_key.save()
if 'card_id' in request:
card_id = request.get('card_id')
user_card_detail = UserCardDetail.objects.get(id=card_id)
card_details_dict = {
'last4': user_card_detail.last4,
'brand': user_card_detail.brand,
'card_id': user_card_detail.card_id
}
if not user_card_detail.preferred:
UserCardDetail.set_default_card(
stripe_api_cus_id=stripe_api_cus_id,
stripe_source_id=user_card_detail.card_id
)
else:
ucd = UserCardDetail.get_or_create_user_card_detail(
stripe_customer=custom_user.stripecustomer,
card_details=card_details_response
)
UserCardDetail.save_default_card_local(
custom_user.stripecustomer.stripe_id,
ucd.card_id
)
# Save billing address
logger.debug('billing_address_data is {}'.format(billing_address_data))
billing_address_data.update({
'user': custom_user.id
})
if 'generic_payment_type' in request:
stripe_cus = StripeCustomer.objects.filter(
stripe_id=stripe_api_cus_id
).first()
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']
)
billing_address.save()
order = HostingOrder.create(
price=request['generic_payment_details']['amount'],
customer=stripe_cus,
billing_address=billing_address,
vm_pricing=VMPricing.get_default_pricing()
)
# Create a Hosting Bill
HostingBill.create(customer=stripe_cus,
billing_address=billing_address)
# Create Billing Address for User if he does not have one
if not stripe_cus.user.billing_addresses.count():
billing_address_data.update({
'user': stripe_cus.user.id
})
billing_address_user_form = UserBillingAddressForm(
billing_address_data
)
billing_address_user_form.is_valid()
billing_address_user_form.save()
if request['generic_payment_details']['recurring']:
# Associate the given stripe subscription with the order
order.set_subscription_id(
stripe_subscription_obj.id, card_details_dict
)
else:
# Associate the given stripe charge id with the order
order.set_stripe_charge(stripe_onetime_charge)
# Set order status approved
order.set_approved()
order.generic_payment_description = gp_details["description"]
order.generic_product_id = gp_details["product_id"]
order.save()
# send emails
context = {
'name': user.get('name'),
'email': user.get('email'),
'amount': gp_details['amount'],
'description': gp_details['description'],
'recurring': gp_details['recurring'],
'product_name': gp_details['product_name'],
'product_id': gp_details['product_id'],
'order_id': order.id
}
email_data = {
'subject': (settings.DCL_TEXT +
" Payment received from %s" % context['email']),
'from_email': settings.DCL_SUPPORT_FROM_ADDRESS,
'to': ['info@ungleich.ch'],
'body': "\n".join(
["%s=%s" % (k, v) for (k, v) in context.items()]),
'reply_to': [context['email']],
}
send_plain_email_task.delay(email_data)
recurring_text = _(" This is a monthly recurring plan.")
if gp_details['recurring_interval'] == "year":
recurring_text = _(" This is an yearly recurring plan.")
email_data = {
'subject': _("Confirmation of your payment"),
'from_email': settings.DCL_SUPPORT_FROM_ADDRESS,
'to': [user.get('email')],
'body': _("Hi {name},\n\n"
"thank you for your order!\n"
"We have just received a payment of CHF {amount:.2f}"
" from you.{recurring}\n\n"
"Cheers,\nYour Data Center Light team".format(
name=user.get('name'),
amount=gp_details['amount'],
recurring=(
recurring_text
if gp_details['recurring'] else ''
)
)
),
'reply_to': ['info@ungleich.ch'],
}
send_plain_email_task.delay(email_data)
response = {
'status': True,
'redirect': (
reverse('hosting:invoices')
if request.user.is_authenticated()
else reverse('datacenterlight:index')
),
'msg_title': str(_('Thank you for the payment.')),
'msg_body': str(
_('You will soon receive a confirmation email of the '
'payment. You can always contact us at '
'info@ungleich.ch for any question that you may have.')
)
}
clear_all_session_vars(request)
return JsonResponse(response)
user = {
'name': custom_user.name,
'email': custom_user.email,
'username': custom_user.username,
'pass': custom_user.password,
'request_scheme': request['scheme'],
'request_host': request['host'],
'language': request['language'],
}
create_vm(
billing_address_data, stripe_customer_id, specs,
stripe_subscription_obj, card_details_dict, request,
vm_template_id, template, user
)
def show_error(msg, request):
messages.add_message(request, messages.ERROR, msg,
extra_tags='failed_payment')
response = {
'status': False,
'redirect': "{url}#{section}".format(
url=(reverse(
'show_product',
kwargs={'product_slug':
request.session['generic_payment_details']
['product_slug']}
) if 'generic_payment_details' in request.session else
reverse('datacenterlight:payment')
),
section='payment_error'
),
'msg_title': str(_('Error.')),
'msg_body': str(
_('There was a payment related error.'
' On close of this popup, you will be redirected back to'
' the payment page.'))
}
return JsonResponse(response)