import logging 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 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 from hosting.models import HostingOrder, UserCardDetail from membership.models import CustomUser, StripeCustomer from opennebula_api.serializers import VMTemplateSerializer from utils.forms import BillingAddressForm, BillingAddressFormSignup from utils.hosting_utils import get_vm_price_with_vat from utils.stripe_utils import StripeUtils from utils.tasks import send_plain_email_task from .forms import ContactForm from .models import VMTemplate, VMPricing from .utils import get_cms_integration, create_vm 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, 'info@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 (value > 200) or (value < 1): 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): for session_var in ['specs', 'user', 'billing_address_data', 'pricing_name']: if session_var in request.session: del request.session[session_var] 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.IntegerField(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': price + vat - discount['amount'], '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.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'), '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): if '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 '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) 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(): 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) 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 return HttpResponseRedirect( reverse('datacenterlight:order_confirmation')) else: context = self.get_context_data() context['billing_address_form'] = address_form return self.render_to_response(context) class OrderConfirmationView(DetailView): template_name = "datacenterlight/order_detail.html" payment_template_name = 'datacenterlight/landing_payment.html' context_object_name = "order" model = HostingOrder @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: 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'] 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.update({ 'site_url': reverse('datacenterlight:index'), 'vm': request.session.get('specs'), '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): template = request.session.get('template') specs = request.session.get('specs') user = request.session.get('user') stripe_api_cus_id = request.session.get('customer') vm_template_id = template.get('id', 1) stripe_utils = StripeUtils() if 'token' in request.session: card_details = stripe_utils.get_cards_details_from_token( request.session.get('token') ) if not card_details.get('response_object'): msg = card_details.get('error') messages.add_message(self.request, messages.ERROR, msg, extra_tags='failed_payment') 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) 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'] ) ) messages.add_message(self.request, messages.ERROR, msg, extra_tags='failed_payment') response = { 'status': False, 'redirect': "{url}#{section}".format( url=reverse('hosting: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) 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 } 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) cpu = specs.get('cpu') memory = specs.get('memory') disk_size = specs.get('disk_size') amount_to_be_charged = specs.get('total_price') plan_name = StripeUtils.get_stripe_plan_name(cpu=cpu, memory=memory, disk_size=disk_size) stripe_plan_id = StripeUtils.get_stripe_plan_id(cpu=cpu, ram=memory, ssd=disk_size, version=1, app='dcl') stripe_plan = stripe_utils.get_or_create_stripe_plan( amount=amount_to_be_charged, name=plan_name, stripe_plan_id=stripe_plan_id) subscription_result = stripe_utils.subscribe_customer_to_plan( stripe_api_cus_id, [{"plan": stripe_plan.get( 'response_object').stripe_plan_id}]) stripe_subscription_obj = subscription_result.get('response_object') # Check if the subscription was approved and is active if (stripe_subscription_obj is None or stripe_subscription_obj.status != 'active'): # 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') messages.add_message(self.request, messages.ERROR, msg, extra_tags='failed_payment') 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) # Create user if the user is not logged in and if he is not already # registered if not request.user.is_authenticated(): 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(self.request.scheme, self.request.get_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) login(request, new_user) else: # We assume that if the user is here, his/her StripeCustomer # object already exists stripe_customer_id = request.user.stripecustomer.id custom_user = request.user if 'token' in request.session: ucd = UserCardDetail.get_or_create_user_card_detail( stripe_customer=self.request.user.stripecustomer, card_details=card_details_response ) UserCardDetail.save_default_card_local( self.request.user.stripecustomer.stripe_id, ucd.card_id ) else: 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 } 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 ) # Save billing address billing_address_data = request.session.get('billing_address_data') logger.debug('billing_address_data is {}'.format(billing_address_data)) billing_address_data.update({ 'user': custom_user.id }) user = { 'name': custom_user.name, 'email': custom_user.email, 'pass': custom_user.password, 'request_scheme': request.scheme, 'request_host': request.get_host(), 'language': get_language(), } create_vm( billing_address_data, stripe_customer_id, specs, stripe_subscription_obj, card_details_dict, request, vm_template_id, template, user ) 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)