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Merge pull request #50 from levivm/feature/vm_pricing

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Handled stripe payment errors , Added payment invoice
This commit is contained in:
Levi Velázquez 2016-04-29 01:53:55 -05:00
commit 484c80d15a
5 changed files with 202 additions and 16 deletions
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79
hosting/templates/hosting/invoice.html Normal file
View file

@ -0,0 +1,79 @@
{% extends "hosting/base_short.html" %}
{% load staticfiles bootstrap3 %}
{% block content %}
<style type="text/css">
.invoice-title h2, .invoice-title h3 {
display: inline-block;
}
.table > tbody > tr > .no-line {
border-top: none;
}
.table > thead > tr > .no-line {
border-bottom: none;
}
.table > tbody > tr > .thick-line {
border-top: 2px solid;
}
</style>
<div class="container payment-container">
<div class="row">
<div class="col-xs-8 col-xs-offset-2">
<div class="invoice-title">
<h2>Invoice</h2><h3 class="pull-right">Order # {{order.id}}</h3>
</div>
<hr>
<div class="row">
<div class="col-xs-6">
<address>
<h3><b>Billed To:</b></h3>
John Smith<br>
1234 Main<br>
Apt. 4B<br>
Springfield, ST 54321
</address>
</div>
<div class="col-xs-6 text-right">
<address>
<strong>Order Date:</strong><br>
{{order.created_at}}<br><br>
</address>
</div>
</div>
<div class="row">
<div class="col-xs-6">
<address>
<strong>Payment Method:</strong><br>
{{brand}} ending **** {{last4}}<br>
{{user.email}}
</address>
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-md-8 col-md-offset-2">
<h3><b>Order summary</b></h3>
<hr>
<div class="content">
<p><b>Type</b> <span class="pull-right">{{request.session.vm_specs.hosting_company_name}}</span></p>
<hr>
<p><b>Cores</b> <span class="pull-right">{{request.session.vm_specs.cores}}</span></p>
<hr>
<p><b>Memory</b> <span class="pull-right">{{request.session.vm_specs.memory}} GiB</span></p>
<hr>
<p><b>Disk space</b> <span class="pull-right">{{request.session.vm_specs.disk_size}} GiB</span></p>
<hr>
<h4>Total<p class="pull-right"><b>{{request.session.vm_specs.final_price}} CHF</b></p></h4>
</div>
</div>
</div>
</div>
{%endblock%}

14
hosting/templates/hosting/payment.html
View file

@ -1,6 +1,6 @@
{% extends "hosting/base_short.html" %}
{% load staticfiles bootstrap3 %}
{%block content %}
{% block content %}
<!-- Credit card form -->
<div>
<div class="container payment-container">
@ -64,6 +64,17 @@
<p class="payment-errors"></p>
</div>
</div>
{% if paymentError %}
<div class="row">
<div class="col-xs-12">
<p>
{% bootstrap_alert paymentError alert_type='danger' %}
</p>
</div>
</div>
{% endif %}
</form>
</div>
</div>
@ -88,6 +99,7 @@
</div>
</div>
</form>
</div>

4
hosting/urls.py
View file

@ -1,7 +1,8 @@
from django.conf.urls import url
from .views import DjangoHostingView, RailsHostingView, PaymentVMView, \
NodeJSHostingView, LoginView, SignupView, IndexView
NodeJSHostingView, LoginView, SignupView, IndexView, \
InvoiceVMView
urlpatterns = [
url(r'index/?$', IndexView.as_view(), name='index'),
@ -11,4 +12,5 @@ urlpatterns = [
url(r'login/?$', LoginView.as_view(), name='login'),
url(r'signup/?$', SignupView.as_view(), name='signup'),
url(r'payment/?$', PaymentVMView.as_view(), name='payment'),
url(r'invoice/?$', InvoiceVMView.as_view(), name='invoice'),
]

66
hosting/views.py
View file

@ -12,6 +12,7 @@ from membership.forms import PaymentForm
from membership.models import CustomUser, StripeCustomer
from utils.stripe_utils import StripeUtils
from utils.forms import BillingAddressForm
from utils.models import BillingAddress
from .models import VirtualMachineType, VirtualMachinePlan, HostingOrder
from .forms import HostingUserSignupForm, HostingUserLoginForm
from .mixins import ProcessVMSelectionMixin
@ -155,7 +156,7 @@ class PaymentVMView(FormView):
form = self.get_form()
if form.is_valid():
context = self.get_context_data()
specifications = request.session.get('vm_specs')
vm_type = specifications.get('hosting_company')
vm = VirtualMachineType.objects.get(hosting_company=vm_type)
@ -185,20 +186,63 @@ class PaymentVMView(FormView):
# Make stripe charge to a customer
stripe_utils = StripeUtils()
charge = stripe_utils.make_charge(amount=final_price,
charge_response = stripe_utils.make_charge(amount=final_price,
customer=customer.stripe_id)
order.set_stripe_charge(charge)
charge = charge_response.get('response_object')
if not charge.paid:
# raise an error
pass
# Check if the payment was approved
if not charge:
context.update({
'paymentError': charge_response.get('error'),
'form':form
})
return render(request, self.template_name, context)
charge = charge_response.get('response_object')
# Associate an order with a stripe payment
order.set_stripe_charge(charge)
# If the Stripe payment was successed, set order status approved
order.set_approved()
# order.charge =
# Billing Address should be store here
return HttpResponseRedirect(reverse('hosting:payment'))
request.session.update({
'charge':charge,
'order':order.id,
'billing_address':billing_address.id
})
return HttpResponseRedirect(reverse('hosting:invoice'))
else:
return self.form_invalid(form)
class InvoiceVMView(View):
template_name = "hosting/invoice.html"
def get_context_data(self, **kwargs):
charge = self.request.session.get('charge')
order_id = self.request.session.get('order')
billing_address_id = self.request.session.get('billing_address')
last4 = charge.get('source').get('last4')
brand = charge.get('source').get('brand')
order = get_object_or_404(HostingOrder, pk=order_id)
billing_address = get_object_or_404(BillingAddress, pk=billing_address_id)
if not charge:
return
context = {
'last4': last4,
'brand': brand,
'order': order,
'billing_address': billing_address,
}
return context
def get(self, request, *args, **kwargs):
context = self.get_context_data()
return render(request, self.template_name, context)

55
utils/stripe_utils.py
View file

@ -2,6 +2,54 @@ import stripe
from django.conf import settings
def handleStripeError(f):
def handleProblems(*args, **kwargs):
response = {
'paid': False,
'response_object': None,
'error': None
}
common_message = "Currently its not possible to make payments."
try:
response_object = f(*args, **kwargs)
response = {
'response_object': response_object,
'error': None
}
return response
except stripe.error.CardError as e:
# Since it's a decline, stripe.error.CardError will be caught
body = e.json_body
err = body['error']
response.update({'error':err['message']})
return response
except stripe.error.RateLimitError as e:
response.update({'error':"Too many requests made to the API too quickly"})
return response
except stripe.error.InvalidRequestError as e:
response.update({'error':"Invalid parameters"})
return response
except stripe.error.AuthenticationError as e:
# Authentication with Stripe's API failed
# (maybe you changed API keys recently)
response.update({'error':common_message})
return response
except stripe.error.APIConnectionError as e:
response.update({'error':common_message})
return response
except stripe.error.StripeError as e:
# maybe send email
response.update({'error':common_message})
return response
except Exception as e:
# maybe send email
response.update({'error':common_message})
return response
return handleProblems
class StripeUtils(object):
CURRENCY = 'chf'
@ -12,18 +60,18 @@ class StripeUtils(object):
self.stripe = stripe
self.stripe.api_key = settings.STRIPE_API_PRIVATE_KEY
@handleStripeError
def create_customer(self, token, email):
stripe.api_key = settings.STRIPE_API_PRIVATE_KEY
customer = stripe.Customer.create(
customer = self.stripe.Customer.create(
source=token,
description='description for testing',
email=email
)
return customer
@handleStripeError
def make_charge(self, amount=None, customer=None):
amount = int(amount * 100) # stripe amount unit, in cents
charge = self.stripe.Charge.create(
amount=amount, # in cents
currency=self.CURRENCY,
@ -31,6 +79,7 @@ class StripeUtils(object):
)
return charge
@handleStripeError
def create_plan(self, amount, name, id):
self.stripe.Plan.create(
amount=amount,