Re: [django-oscar] Screen does not transition.

[Ayub Khan]

Hi,

Kindly check following pr.

Might help you resolve this issue.

https://github.com/edx/ecommerce/pull/1147/files

Good Regards,

M Ayub khan.

On Mon, 1 Mar 2021, 12:47 pm 町野公俊, <mac.ki...@gmail.com> wrote:

I am testing stripe.

However, I am getting an error without going to the confirmation screen.

Can someone please help me?

oscar/checkout/__init__.py

PAYMENT_EVENT_PURCHASE = 'Purchase'

PAYMENT_METHOD_STRIPE = 'Stripe'

STRIPE_EMAIL = 'stripeEmail'

STRIPE_TOKEN = 'stripeToken'

oscar/checkout/views.py

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}

oscar/checkout/facade.py

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 as e:

            raise UnableToTakePayment(self.get_friendly_decline_message(e))

        except stripe.StripeError as e:

            raise InvalidGatewayRequestError(self.get_friendly_error_message(e))

oscar/checkout/forms.py

from django import forms

class StripeTokenForm(forms.Form):

    stripeEmail = forms.EmailField(widget=forms.HiddenInput())

    stripeToken = forms.CharField(widget=forms.HiddenInput())

/templates/payment_details.html

{% extends 'oscar/checkout/payment_details.html' %}

{% load currency_filters %}

{% load i18n %}

{% block title %}

{% trans "Payment details" %} | {{ block.super }}

{% endblock %}

{% block checkout_nav %}

{% include 'oscar/checkout/nav.html' with step=3 %}

{% endblock %}

{% block checkout_title %}{% trans "Enter payment details" %}{% endblock %}

{% block order_contents %}{% endblock %}

{% block shipping_address %}{% endblock %}

{% block shipping_method %}{% endblock %}

{% block payment_method %}{% endblock %}

{% block payment_details_content %}

<form action="{% url 'checkout:preview' %}" class="form-stacked" method="POST">

    {% csrf_token %}

   

    <script src="https://checkout.stripe.com/checkout.js" class="stripe-button" data-key="pk_test_51IPeJYLX4wZLPiB0LpxTUjtSEiLgYeaZmUkUbd1mHG62UvEY3RLB6hvkYyu1D5GA8q9wsdQCg66O11JXLJAvDi8F00GViytWtq"

        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 %}

--
https://github.com/django-oscar/django-oscar
http://django-oscar.readthedocs.org/en/latest/
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[sakshi jain]

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