dynamicweb/datacenterlight/views.py
2018-04-15 13:42:39 +02:00

515 lines
22 KiB
Python

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, 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
from .utils import get_cms_integration
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]
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'))
vm_pricing_name = request.POST.get('pricing_name')
template = VMTemplate.objects.filter(
opennebula_vm_template_id=template_id
).first()
template_data = VMTemplateSerializer(template).data
referer_url = request.META['HTTP_REFERER']
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")
amount_to_be_charged = get_vm_price(
cpu=cores,
memory=memory,
disk_size=storage,
pricing_name=vm_pricing_name
)
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,
'cms_integration': get_cms_integration('default')
})
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')
),
'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()
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")