Thank you, Joseph. You are my hero!! On Thursday, August 6, 2015 at 12:33:34 PM UTC+8, Joseph Gallagher wrote: > > Hi Loi, > > So I've used Stripe <https://stripe.com/> for credit card integration. > It's not exactly obvious, and I owe everything to google but, once you've > gone to Stripe and set up an account & installed Stripe in your virtualenv, > what I've posted below should take care of the logic. You'll need to grab > the test keys and set them in settings.py like so: > > STRIPE_SECRET_KEY = "sk_test_....." > STRIPE_PUBLISHABLE_KEY = "pk_test_....." > STRIPE_CURRENCY = "USD" > > > Set these in your local checkout apps' __init__.py: > > PAYMENT_EVENT_PURCHASE = 'Purchase' > PAYMENT_METHOD_STRIPE = 'Stripe' > STRIPE_EMAIL = 'stripeEmail' > STRIPE_TOKEN = 'stripeToken' > > > You will need to override the PaymentDetailsView to set the source and > handle payment, as per the oscar docs: > > from django.conf import settings > from oscar.core.loading import get_model > from django.utils.decorators import method_decorator > from django.views.decorators.csrf import csrf_exempt > > from oscar.apps.checkout.views import PaymentDetailsView as > CorePaymentDetailsView > from facade import Facade > > from . import PAYMENT_METHOD_STRIPE, PAYMENT_EVENT_PURCHASE, STRIPE_EMAIL, > STRIPE_TOKEN > > import forms > > SourceType = get_model('payment', 'SourceType') > Source = get_model('payment', 'Source') > > > class PaymentDetailsView(CorePaymentDetailsView): > > @method_decorator(csrf_exempt) > def dispatch(self, request, *args, **kwargs): > return super(PaymentDetailsView, self).dispatch(request, *args, > **kwargs) > > def get_context_data(self, **kwargs): > ctx = super(PaymentDetailsView, self).get_context_data(**kwargs) > if self.preview: > ctx['stripe_token_form'] = > forms.StripeTokenForm(self.request.POST) > ctx['order_total_incl_tax_cents'] = ( > ctx['order_total'].incl_tax * 100 > ).to_integral_value() > else: > ctx['stripe_publishable_key'] = settings.STRIPE_PUBLISHABLE_KEY > return ctx > > def handle_payment(self, order_number, total, **kwargs): > stripe_ref = Facade().charge( > order_number, > total, > card=self.request.POST[STRIPE_TOKEN], > description=self.payment_description(order_number, total, > **kwargs), > metadata=self.payment_metadata(order_number, total, **kwargs)) > > source_type, __ = > SourceType.objects.get_or_create(name=PAYMENT_METHOD_STRIPE) > source = Source( > source_type=source_type, > currency=settings.STRIPE_CURRENCY, > amount_allocated=total.incl_tax, > amount_debited=total.incl_tax, > reference=stripe_ref) > self.add_payment_source(source) > > self.add_payment_event(PAYMENT_EVENT_PURCHASE, total.incl_tax) > > def payment_description(self, order_number, total, **kwargs): > return self.request.POST[STRIPE_EMAIL] > > def payment_metadata(self, order_number, total, **kwargs): > return {'order_number': order_number} > > > You can then create a payment facade in your local /apps/checkout. You > won't be overriding an Oscar facade.py, since that doesn't exist in the > checkout app. Something like this: > > from django.conf import settings > from oscar.apps.payment.exceptions import UnableToTakePayment, > InvalidGatewayRequestError > > import stripe > > > class Facade(object): > def __init__(self): > stripe.api_key = settings.STRIPE_SECRET_KEY > > @staticmethod > def get_friendly_decline_message(error): > return 'The transaction was declined by your bank - please check your > bankcard details and try again' > > @staticmethod > def get_friendly_error_message(error): > return 'An error occurred when communicating with the payment > gateway.' > > def charge(self, > order_number, > total, > card, > currency=settings.STRIPE_CURRENCY, > description=None, > metadata=None, > **kwargs): > try: > return stripe.Charge.create( > amount=(total.incl_tax * 100).to_integral_value(), > currency=currency, > card=card, > description=description, > metadata=(metadata or {'order_number': order_number}), > **kwargs).id > except stripe.CardError, e: > raise UnableToTakePayment(self.get_friendly_decline_message(e)) > except stripe.StripeError, e: > raise > InvalidGatewayRequestError(self.get_friendly_error_message(e)) > > > Now register your forms in your local /apps/checkout/forms.py like so: > > from django import forms > > > class StripeTokenForm(forms.Form): > stripeEmail = forms.EmailField(widget=forms.HiddenInput()) > stripeToken = forms.CharField(widget=forms.HiddenInput()) > > > > Finally, in your payment_details.html template, you'll want this to allow > Stripe's modal to pop up over your payment page: > > {% extends 'oscar/checkout/payment_details.html' %} > {% load currency_filters %} > > {% block payment_details_content %} > > <form action="{% url 'checkout:preview' %}" class="form-stacked" > method="POST"> > <script src="https://checkout.stripe.com/checkout.js"; > class="stripe-button" > data-key="{{ stripe_publishable_key }}" data-amount="{{ > order_total_incl_tax_cents }}" > data-name="{{ shop_name }}" > data-description="{{ basket.num_items }} items ({{ > order_total.incl_tax|currency }})"> > </script> > </form> > > {% endblock %} > > > > Sorry for the mass of pasted code, but it should get you rolling. Assuming > you're working with a minimally tweaked oscar app (form actions & redirects > are the same as oscar's built-in), you should be able to use this code as > is (setting your keys appropriately). > > Cheers, > Joseph > > > > On Wednesday, August 5, 2015 at 12:03:13 AM UTC-4, Loi Nguyen wrote: >> >> Hi, I want to create a new payment gateway ingrate to Oscar. It use >> credit card to pay for order. >> Can you give me some document or suggest me some payment gateway i should >> follow to create a new payment gateway. >> Thanks a lot. >> >
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