Changes to payment models #32
.env.example
src
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@ -7,3 +7,4 @@ DATABASE_URL=postgres://postgres:postgres@postgres:5432/postgres
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# DATABASE_URL=postgres://postgres:postgres@localhost:5432/datacoop_membersystem
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DEBUG=True
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STRIPE_API_KEY=sk_test_51Pi1452K58NJXwrP3ayQi0LmGCjiVPUdVFnPOT4didTslRQpmGLSxiuYsmwoTJSLDny5I4uIPcpL2fwpG7GvlTbH00mewgemdz
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STRIPE_ENDPOINT_SECRET=whsec_
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18
src/accounting/templates/accounting/order/cancel.html
Normal file
18
src/accounting/templates/accounting/order/cancel.html
Normal file
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@ -0,0 +1,18 @@
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{% extends "base.html" %}
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{% load i18n %}
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{% block head_title %}
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{% trans "Payment cancelled" %}
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{% endblock %}
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{% block content %}
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<div class="content-view">
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<h2>{% trans "Payment canceled" %}</h2>
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<p>
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<a href="{% order:detail order_id=order.id %}">{% trans "Return to order page" %}</a>
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</p>
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</div>
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{% endblock %}
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@ -41,7 +41,7 @@
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<h2>{% trans "Total price" %}: {{ order.total_with_vat }}</h2>
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<p>
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<a href="" class="button">{% trans "Pay now" %}</a>
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<a href="{% url "order:pay" order_id=order.pk %}" class="button">{% trans "Pay now" %}</a>
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</p>
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</div>
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20
src/accounting/templates/accounting/order/success.html
Normal file
20
src/accounting/templates/accounting/order/success.html
Normal file
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@ -0,0 +1,20 @@
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{% extends "base.html" %}
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{% load i18n %}
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{% block head_title %}
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{% trans "Payment received" %}
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{% endblock %}
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{% block content %}
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<div class="content-view">
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<h2>{% trans "Payment received" %}</h2>
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<p>
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{% blocktrans trimmed with order.id as order_id %}
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We received your payment for Order {{ order_id }}.
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{% endblocktrans %}
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</p>
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</div>
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{% endblock %}
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@ -4,10 +4,13 @@ import stripe
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from django.conf import settings
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from django.contrib.sites.models import Site
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from django.core.mail import send_mail
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from django.db import transaction
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from django.http import HttpRequest
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from django.http import HttpResponse
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from django.shortcuts import redirect
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from django.shortcuts import render
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from django.urls import reverse
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from django.views.decorators.csrf import csrf_exempt
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from django_view_decorator import namespaced_decorator_factory
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from . import models
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@ -57,7 +60,7 @@ def order_pay(request: HttpRequest, order_id: int) -> HttpResponse:
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{
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"price_data": {
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"currency": item.total_with_vat.currency,
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"unit_amount": (item.price, +item.vat).amount,
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"unit_amount": int((item.price + item.vat).amount * 100),
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"product_data": {
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"name": item.product.name,
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},
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@ -68,7 +71,8 @@ def order_pay(request: HttpRequest, order_id: int) -> HttpResponse:
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checkout_session = stripe.checkout.Session.create(
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line_items=line_items,
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mode="payment",
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success_url=base_domain + "/success",
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success_url=base_domain
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+ reverse("order:success", kwargs={"order_id": order.id, "stripe_session_id": "{CHECKOUT_SESSION_ID}"}),
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cancel_url=base_domain + "/cancel",
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)
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except Exception as e:
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@ -77,3 +81,86 @@ def order_pay(request: HttpRequest, order_id: int) -> HttpResponse:
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# TODO: Redirect with status=303
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return redirect(checkout_session.url)
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@transaction.atomic
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@order_view(
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paths="<int:order_id>/pay/success/<str:stripe_session_id>/",
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name="success",
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login_required=True,
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)
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def success(request: HttpRequest, order_id: int, stripe_session_id: str) -> HttpResponse:
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"""Create a Stripe session and redirects to Stripe Checkout.
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From Stripe docs: When you have a webhook endpoint set up to listen for checkout.session.completed events and
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you set a success_url, Checkout waits for your server to respond to the webhook event delivery before redirecting
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your customer. If you use this approach, make sure your server responds to checkout.session.completed events as
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quickly as possible.
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"""
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user = request.user # People just need to login to pay something, not necessarily be a member
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order = models.Order.objects.get(pk=order_id, member=user)
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bool(stripe_session_id)
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context = {
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"order": order,
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}
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return render(
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request=request,
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template_name="accounting/order/success.html",
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context=context,
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)
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@transaction.atomic
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@order_view(
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paths="<int:order_id>/pay/cancel/",
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name="cancel",
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login_required=True,
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)
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def cancel(request: HttpRequest, order_id: int) -> HttpResponse:
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"""Page to display when a payment is canceled."""
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user = request.user # People just need to login to pay something, not necessarily be a member
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order = models.Order.objects.get(pk=order_id, member=user)
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context = {
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"order": order,
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}
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return render(
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request=request,
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template_name="accounting/order/cancel.html",
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context=context,
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)
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@csrf_exempt
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@order_view(
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paths="stripe/webhook/",
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name="webhook",
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login_required=True,
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)
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def stripe_webhook(request: HttpRequest) -> HttpResponse:
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"""Handle Stripe webhook.
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https://docs.stripe.com/metadata/use-cases
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"""
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payload = request.body
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sig_header = request.headers["stripe-signature"]
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event = None
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try:
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event = stripe.Webhook.construct_event(payload, sig_header, settings.STRIPE_ENDPOINT_SECRET)
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except ValueError:
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# Invalid payload
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return HttpResponse(status=400)
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except stripe.error.SignatureVerificationError:
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# Invalid signature
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return HttpResponse(status=400)
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if event["type"] == "checkout.session.completed" or event["type"] == "checkout.session.async_payment_succeeded":
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# TODO: Implement the payment
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pass
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return HttpResponse(status=200)
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@ -180,6 +180,8 @@ LOGGING = {
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},
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}
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STRIPE_API_KEY = env.str("STRIPE_API_KEY")
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STRIPE_ENDPOINT_SECRET = env.str("STRIPE_ENDPOINT_SECRET")
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if DEBUG:
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INSTALLED_APPS += ["debug_toolbar", "django_browser_reload"]
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