import json 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, 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, TemplateView, DetailView from datacenterlight.tasks import create_vm_task from hosting.forms import HostingUserLoginForm from hosting.models import HostingOrder 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 from utils.stripe_utils import StripeUtils from utils.tasks import send_plain_email_task from .forms import ContactForm from .models import VMTemplate 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']: if session_var in request.session: del request.session[session_var] vm_templates = VMTemplate.objects.all() context = { 'templates': vm_templates } return render(request, self.template_name, context) 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')) template = VMTemplate.objects.filter( opennebula_vm_template_id=template_id).first() template_data = VMTemplateSerializer(template).data 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( reverse('datacenterlight:index') + "#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( reverse('datacenterlight:index') + "#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( reverse('datacenterlight:index') + "#order_form") amount_to_be_charged = get_vm_price(cpu=cores, memory=memory, disk_size=storage) specs = { 'cpu': cores, 'memory': memory, 'disk_size': storage, 'price': amount_to_be_charged } 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() ) # Get user last order last_hosting_order = HostingOrder.objects.filter( customer__user=self.request.user ).last() # If user has already an hosting order, get the credit card # data from it if last_hosting_order: credit_card_data = last_hosting_order.get_cc_data() if credit_card_data: context['credit_card_data'] = credit_card_data else: context['credit_card_data'] = None 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 }) 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 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 ) ) request.session['token'] = token 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): if 'specs' not in request.session or 'user' not in request.session: return HttpResponseRedirect(reverse('datacenterlight:index')) if 'token' not in request.session: return HttpResponseRedirect(reverse('datacenterlight:payment')) stripe_api_cus_id = request.session.get('customer') stripe_utils = StripeUtils() card_details = stripe_utils.get_card_details(stripe_api_cus_id, 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') return HttpResponseRedirect( reverse('datacenterlight:payment') + '#payment_error') context = { 'site_url': reverse('datacenterlight:index'), 'cc_last4': card_details.get('response_object').get('last4'), 'cc_brand': card_details.get('response_object').get('brand'), 'vm': request.session.get('specs'), 'page_header_text': _('Confirm Order'), 'billing_address_data': request.session.get('billing_address_data') } 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() card_details = stripe_utils.get_card_details(stripe_api_cus_id, 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 HttpResponse(json.dumps(response), content_type="application/json") card_details_dict = card_details.get('response_object') cpu = specs.get('cpu') memory = specs.get('memory') disk_size = specs.get('disk_size') amount_to_be_charged = specs.get('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'): 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 HttpResponse(json.dumps(response), content_type="application/json") # 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 # 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_task.delay(vm_template_id, user, specs, template, stripe_customer_id, billing_address_data, stripe_subscription_obj.id, card_details_dict) for session_var in ['specs', 'template', 'billing_address', 'billing_address_data', 'token', 'customer']: if session_var in request.session: del request.session[session_var] 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 HttpResponse(json.dumps(response), content_type="application/json")