import json import logging 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, HttpResponse ) 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, IncompletePaymentIntents) 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 stripe_utils = StripeUtils() cards_list_request = stripe_utils.get_available_payment_methods( stripe_customer ) cards_list = cards_list_request.get('response_object') 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') request.session.pop('card_id') request.session.pop('token') request.session.pop('id_payment_method') logger.debug("Session: %s" % str(request.session)) for key, value in request.session.items(): logger.debug("Session: %s %s" % (key, value)) 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) id_payment_method = self.request.POST.get('id_payment_method', None) if id_payment_method == 'undefined': id_payment_method = address_form.cleaned_data.get('card') request.session["id_payment_method"] = id_payment_method logger.debug("id_payment_method is %s" % id_payment_method) 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'), id_payment_method=id_payment_method ) 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, id_payment_method=id_payment_method, 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, id_payment_method=id_payment_method, 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 = {} # this is amount to be charge/subscribed before VAT and discount # and expressed in chf. To convert to cents, multiply by 100 amount_to_charge = 0 vm_specs = None 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 'id_payment_method' in self.request.session: payment_method = self.request.session['id_payment_method'] logger.debug("id_payment_method: %s" % payment_method) stripe_utils = StripeUtils() card_details = stripe_utils.get_cards_details_from_payment_method( payment_method ) if not card_details.get('response_object'): return HttpResponseRedirect(reverse('datacenterlight: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']) context['id_payment_method'] = payment_method else: # TODO check when we go through this case (to me, it seems useless) card_id = self.request.session.get('card_id') logger.debug("NO id_payment_method, using card: %s" % 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'], }) amount_to_charge = request.session['generic_payment_details']['amount'] 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"] amount_to_charge = price 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) }) is_subscription = False if ('generic_payment_type' not in request.session or (request.session['generic_payment_details']['recurring'])): # Obtain PaymentIntent so that we can initiate and charge # the customer is_subscription = True logger.debug("CASE: Subscription") else: logger.debug("CASE: One time payment") stripe_utils = StripeUtils() payment_intent_response = stripe_utils.get_payment_intent( int(amount_to_charge * 100), customer=request.session['customer'] ) payment_intent = payment_intent_response.get( 'response_object') if not payment_intent: logger.error("Could not create payment_intent %s" % str(payment_intent_response)) else: logger.debug("payment_intent.client_secret = %s" % str(payment_intent.client_secret)) context.update({ 'payment_intent_secret': payment_intent.client_secret }) logger.debug("Request %s" % create_incomplete_intent_request( self.request)) logger.debug("%s" % str(payment_intent)) logger.debug("customer %s" % request.session['customer']) logger.debug("card_details_response %s" % card_details_response) logger.debug("request.session[generic_payment_details] %s" % request.session["generic_payment_details"]) logger.debug("request.session[billing_address_data] %s" % request.session["billing_address_data"]) IncompletePaymentIntents.objects.create( request=create_incomplete_intent_request(self.request), payment_intent_id=payment_intent.id, stripe_api_cus_id=request.session['customer'], card_details_response=json.dumps(card_details_response), stripe_subscription_id=None, stripe_charge_id=None, gp_details=json.dumps(request.session["generic_payment_details"]), billing_address_data=json.dumps(request.session["billing_address_data"]) ) logger.debug("IncompletePaymentIntent done") 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'), 'error_msg': get_error_response_dict("Error", request), 'success_msg': { 'msg_title': _("Thank you !"), 'msg_body': _("Your product will be provisioned as soon as " "we receive the payment."), 'redirect': reverse('hosting:invoices') if request.user.is_authenticated() else reverse('datacenterlight:index') }, 'stripe_key': settings.STRIPE_API_PUBLIC_KEY, 'is_subscription': str(is_subscription).lower() }) 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 new_user_hosting_key_id = None card_id = None generic_payment_type = None generic_payment_details = None stripe_subscription_obj = 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, 'user': user } if 'id_payment_method' in request.session: card_details = stripe_utils.get_cards_details_from_payment_method( request.session.get('id_payment_method') ) 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['id_payment_method'], 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) else: # Associate PaymentMethod with the stripe customer # and set it as the default source acc_result = stripe_utils.associate_customer_card( stripe_api_cus_id, request.session['id_payment_method'], 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 } UserCardDetail.set_default_card( stripe_api_cus_id=stripe_api_cus_id, stripe_source_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") 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 [], default_payment_method=request.session['id_payment_method'] ) stripe_subscription_obj = subscription_result.get('response_object') logger.debug(stripe_subscription_obj) latest_invoice = stripe.Invoice.retrieve( stripe_subscription_obj.latest_invoice) subscription_status = '' if stripe_subscription_obj: subscription_status = stripe_subscription_obj.status # 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': # 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') ) ) pi = stripe.PaymentIntent.retrieve( latest_invoice.payment_intent ) # TODO: requires_attention is probably wrong value to compare if request.user.is_authenticated(): if 'generic_payment_details' in request.session: redirect_url = reverse('hosting:invoices') else: redirect_url = reverse('hosting:virtual_machines') else: redirect_url = reverse('datacenterlight:index') if (pi.status == 'requires_attention' or pi.status == 'requires_source_action'): logger.debug("Display SCA authentication %s " % pi.status) 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': redirect_url, 'msg_title': str(_('Thank you for the order.')), 'msg_body': str( _('Your product will be provisioned as soon as' ' we receive a payment confirmation from ' 'Stripe. We will send you a confirmation ' 'email. You can always contact us at ' 'support@datacenterlight.ch') ) }, '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.') ) } } 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) # the code below is executed for # a) subscription case # b) the subscription object is active itself, without requiring # SCA provisioning_response = do_provisioning( req, 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'), self.request ) if (provisioning_response and type(provisioning_response['response']) == JsonResponse): new_user = provisioning_response.get('user', None) if new_user: login(self.request, new_user) return provisioning_response['response'] 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 create_incomplete_intent_request(request): """ Creates a dictionary of all session variables so that they could be picked up in the webhook for processing. :param request: :return: """ req = { 'scheme': request.scheme, 'host': request.get_host(), 'language': get_language(), 'new_user_hosting_key_id': request.session.get( 'new_user_hosting_key_id', None), 'card_id': request.session.get('card_id', None), 'generic_payment_type': request.session.get( 'generic_payment_type', None), 'generic_payment_details': request.session.get( 'generic_payment_details', None), 'user': request.session.get('user', None), 'id_payment_method': request.session.get('id_payment_method', None), } return json.dumps(req) def get_or_create_custom_user(request, stripe_api_cus_id): new_user = None name = request.get('user').get('name') email = request.get('user').get('email') try: custom_user = CustomUser.objects.get(email=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(email)) password = CustomUser.get_random_password() base_url = "{0}://{1}".format(request['scheme'], request['host']) custom_user = CustomUser.register( name, password, email, app='dcl', base_url=base_url, send_email=True, account_details=password ) logger.debug("Created user {}.".format(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) logger.debug("User %s is authenticated" % custom_user.email) new_user_hosting_key_id = request.get('new_user_hosting_key_id', None) if new_user_hosting_key_id: user_hosting_key = UserHostingKey.objects.get( id=new_user_hosting_key_id) user_hosting_key.user = new_user user_hosting_key.save() logger.debug("User %s key is saved" % custom_user.email) return custom_user, new_user def set_user_card(card_id, stripe_api_cus_id, custom_user, card_details_response): if card_id: logger.debug("card_id %s was in request" % 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: logger.debug("card_id was NOT in request, using " "card_details_response") 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 ) card_details_dict = { 'last4': ucd.last4, 'brand': ucd.brand, 'card_id': ucd.card_id } return card_details_dict def do_provisioning_generic( request, stripe_api_cus_id, card_details_response, stripe_subscription_id, stripe_charge_id, gp_details, billing_address_data): stripe_utils = StripeUtils() acc_result = stripe_utils.associate_customer_card( stripe_api_cus_id, request['id_payment_method'], set_as_default=True ) """ Identical to do_provisioning(), except for the fact that this is specific to handling provisioning of the generic products """ logger.debug("Card %s associate result %s" % ( request['id_payment_method'], acc_result.get('response_object') )) user = request.get('user', None) logger.debug("generic_payment_type case") custom_user, new_user = get_or_create_custom_user( request, stripe_api_cus_id) logger.debug("%s %s" % (custom_user.email, custom_user.id)) card_id = request.get('card_id', None) card_details_dict = set_user_card(card_id, stripe_api_cus_id, custom_user, card_details_response) logger.debug("After card details dict %s" % str(card_details_dict)) # Save billing address billing_address_data.update({ 'user': custom_user.id }) logger.debug('billing_address_data is {}'.format(billing_address_data)) 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() recurring = request['generic_payment_details'].get('recurring') if recurring: logger.debug("recurring case") # Associate the given stripe subscription with the order order.set_subscription_id( stripe_subscription_id, card_details_dict ) logger.debug("recurring case, set order subscription id done") else: logger.debug("one time charge case") # Associate the given stripe charge id with the order stripe_onetime_charge = stripe.Charge.retrieve(stripe_charge_id) 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() logger.debug("Order saved") # 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': ['dcl-orders@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) redirect_url = reverse('datacenterlight:index') logger.debug("Sent user/admin emails") logger.debug("redirect_url = %s " % redirect_url) response = { 'status': True, 'redirect': redirect_url, '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.') ) } logger.debug("after response") logger.debug(str(response)) return HttpResponse(status=200) def do_provisioning(request, stripe_api_cus_id, card_details_response, stripe_subscription_obj, stripe_onetime_charge, gp_details, specs, vm_template_id, template, billing_address_data, real_request): """ :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': }, 'user': { '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: :param real_request: :return: """ logger.debug("do_provisioning") user = request.get('user', None) # Create user if the user is not logged in and if he is not already # registered custom_user, new_user = get_or_create_custom_user( request, stripe_api_cus_id) card_id = request.get('card_id', None) card_details_dict = set_user_card(card_id, stripe_api_cus_id, custom_user, card_details_response) # Save billing address billing_address_data.update({ 'user': custom_user.id }) logger.debug('billing_address_data is {}'.format(billing_address_data)) generic_payment_type = request.get('generic_payment_type', None) if generic_payment_type: logger.debug("generic_payment_type case") 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() recurring = request['generic_payment_details'].get('recurring') if recurring: logger.debug("recurring case") # Associate the given stripe subscription with the order order.set_subscription_id( stripe_subscription_obj.id, card_details_dict ) logger.debug("recurring case, set order subscription id done") else: logger.debug("one time charge case") # 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() logger.debug("Order saved") # 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': ['dcl-orders@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) redirect_url = reverse('datacenterlight:index') logger.debug("Sent user/admin emails") if real_request: clear_all_session_vars(real_request) if real_request.user.is_authenticated(): redirect_url = reverse('hosting:invoices') logger.debug("redirect_url = %s " % redirect_url) response = { 'status': True, 'redirect': redirect_url, '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.') ) } logger.debug("after response") logger.debug(str(response)) return {'response': JsonResponse(response), 'user': new_user} 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, custom_user.stripecustomer.id, specs, stripe_subscription_obj, card_details_dict, request, vm_template_id, template, user ) if real_request: clear_all_session_vars(real_request) def get_error_response_dict(msg, request): logger.error(msg) 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 response def show_error(msg, request): logger.error(msg) messages.add_message(request, messages.ERROR, msg, extra_tags='failed_payment') return JsonResponse(get_error_response_dict(msg,request))