amal
b7aa1c6971
- Implement a complete cycle for buying a Matrix Chat Host - Refactor the Payement cycle and stripe related methods
301 lines
13 KiB
Python
301 lines
13 KiB
Python
import logging
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import json
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from django.shortcuts import redirect, render
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from django.contrib import messages
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from django.utils.translation import get_language, ugettext_lazy as _
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from django.contrib.auth.decorators import login_required
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from django.views.decorators.cache import cache_control
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from django.utils.decorators import method_decorator
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from django.views import View
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from django.views.generic import FormView, DetailView
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from django.views.generic.list import ListView
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from matrixhosting.forms import RequestHostedVMForm, BillingAddressForm
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from django.urls import reverse
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from django.conf import settings
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from django.http import (
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HttpResponseRedirect, JsonResponse
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)
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from rest_framework import viewsets, permissions
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from uncloud_pay.models import PricingPlan
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from uncloud_pay.utils import get_order_total_with_vat
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from uncloud_pay.models import *
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from uncloud_pay.utils import validate_vat_number
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from uncloud_pay.selectors import get_billing_address_for_user
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import uncloud_pay.stripe as uncloud_stripe
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from .models import VMInstance
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from .serializers import *
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logger = logging.getLogger(__name__)
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class PricingView(View):
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def get(self, request, **args):
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subtotal, subtotal_after_discount, price_after_discount_with_vat, vat, vat_percent, discount = get_order_total_with_vat(
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request.GET.get('cores'),
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request.GET.get('memory'),
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request.GET.get('storage'),
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pricing_name = args['name']
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)
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return JsonResponse({'subtotal': subtotal})
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class IndexView(FormView):
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template_name = "matrixhosting/index.html"
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form_class = RequestHostedVMForm
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success_url = "/matrixhosting#requestform"
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success_message = "Thank you, we will contact you as soon as possible"
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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context['matrix_vm_pricing'] = PricingPlan.get_default_pricing()
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return context
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def form_valid(self, form):
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self.request.session['order'] = form.cleaned_data
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subtotal, subtotal_with_discount, total, vat, vat_percent, discount = get_order_total_with_vat(
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form.cleaned_data['cores'],
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form.cleaned_data['memory'],
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form.cleaned_data['storage'],
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form.cleaned_data['pricing_name'],
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False
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)
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self.request.session['pricing'] = {'name': form.cleaned_data['pricing_name'],
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'subtotal': subtotal, 'vat': vat,
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'vat_percent': vat_percent, 'discount': discount}
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return HttpResponseRedirect(reverse('matrix:payment'))
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class OrderPaymentView(FormView):
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template_name = 'matrixhosting/payment.html'
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success_url = 'matrix:order_confirmation'
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form_class = BillingAddressForm
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@method_decorator(login_required)
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def dispatch(self, *args, **kwargs):
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return super().dispatch(*args, **kwargs)
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def get_context_data(self, **kwargs):
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context = super(OrderPaymentView, self).get_context_data(**kwargs)
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if 'billing_address_data' in self.request.session:
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billing_address_form = BillingAddressForm(
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initial=self.request.session['billing_address_data']
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)
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else:
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old_active = get_billing_address_for_user(self.request.user)
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billing_address_form = BillingAddressForm(
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instance=old_active
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) if old_active else BillingAddressForm(
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initial={'active': True, 'owner': self.request.user.id}
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)
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customer_id = uncloud_stripe.get_customer_id_for(self.request.user)
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cards = uncloud_stripe.get_customer_cards(customer_id)
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context.update({
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'matrix_vm_pricing': PricingPlan.get_by_name(self.request.session.get('pricing', {'name': 'unknown'})['name']),
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'billing_address_form': billing_address_form,
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'cards': cards,
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'stripe_key': settings.STRIPE_PUBLIC_KEY
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})
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return context
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@cache_control(no_cache=True, must_revalidate=True, no_store=True)
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def get(self, request, *args, **kwargs):
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for k in ['vat_validation_status', 'token', 'id_payment_method']:
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if request.session.get(k):
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request.session.pop(k)
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if 'order' not in request.session:
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return HttpResponseRedirect(reverse('matrix:index'))
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return self.render_to_response(self.get_context_data())
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def form_valid(self, address_form):
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id_payment_method = self.request.POST.get('id_payment_method', None)
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self.request.session["id_payment_method"] = id_payment_method
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this_user = {
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'email': self.request.user.email,
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'username': self.request.user.username
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}
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customer_id = uncloud_stripe.get_customer_id_for(self.request.user)
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uncloud_stripe.attach_payment_method(id_payment_method, customer_id)
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address = get_billing_address_for_user(self.request.user)
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if address:
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form = BillingAddressForm(self.request.POST, instance=address)
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else:
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form = BillingAddressForm(self.request.POST)
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if form.is_valid:
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billing_address_ins = form.save()
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self.request.session["billing_address_id"] = billing_address_ins.id
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self.request.session['billing_address_data'] = address_form.cleaned_data
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self.request.session['billing_address_data']['owner'] = self.request.user.id
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self.request.session['user'] = this_user
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self.request.session['customer'] = customer_id
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vat_number = address_form.cleaned_data.get('vat_number').strip()
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if vat_number:
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validate_result = validate_vat_number(
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stripe_customer_id=customer_id,
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billing_address_id=billing_address_ins.id
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)
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if 'error' in validate_result and validate_result['error']:
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messages.add_message(
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self.request, messages.ERROR, validate_result["error"],
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extra_tags='vat_error'
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)
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return HttpResponseRedirect(
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reverse('matrix:payment') + '#vat_error'
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)
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self.request.session["vat_validation_status"] = validate_result["status"]
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return HttpResponseRedirect(reverse('matrix:order_details'))
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class OrderDetailsView(DetailView):
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template_name = "matrixhosting/order_detail.html"
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context_object_name = "order"
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model = Order
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@method_decorator(login_required)
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def dispatch(self, *args, **kwargs):
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return super().dispatch(*args, **kwargs)
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@cache_control(no_cache=True, must_revalidate=True, no_store=True)
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def get(self, request, *args, **kwargs):
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context = {}
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if ('order' not in request.session or 'user' not in request.session):
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return HttpResponseRedirect(reverse('matrix:index'))
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if 'id_payment_method' in self.request.session:
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card = uncloud_stripe.get_card_from_payment(self.request.user, self.request.session['id_payment_method'])
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if not card:
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return HttpResponseRedirect(reverse('matrix:payment'))
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context['card'] = card
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elif 'id_payment_method' not in self.request.session or 'vat_validation_status' not in self.request.session:
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return HttpResponseRedirect(reverse('matrix:payment'))
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specs = request.session.get('order')
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pricing = request.session.get('pricing')
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billing_address = BillingAddress.objects.get(id=request.session.get('billing_address_id'))
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vat_rate = VATRate.get_vat_rate(billing_address)
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vat_validation_status = "verified" if billing_address.vat_number_validated_on and billing_address.vat_number_verified else False
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subtotal, subtotal_after_discount, price_after_discount_with_vat, vat, vat_percent, discount = get_order_total_with_vat(
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specs['cores'], specs['memory'], specs['storage'], request.session['pricing']['name'],
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vat_rate=vat_rate * 100, vat_validation_status = vat_validation_status
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)
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pricing = {
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"subtotal": subtotal, "discount": discount, "vat": vat, "vat_percent": vat_percent,
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"vat_country": billing_address.country.lower(),
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"subtotal_after_discount": subtotal_after_discount,
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"price_after_discount_with_vat": price_after_discount_with_vat
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}
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pricing["price_with_vat"] = round(subtotal * (1 + pricing["vat_percent"] * 0.01), 2)
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discount["amount_with_vat"] = round(pricing["price_with_vat"] - pricing["price_after_discount_with_vat"], 2)
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pricing["total_price"] = pricing["price_after_discount_with_vat"]
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self.request.session['total_price'] = pricing["price_after_discount_with_vat"]
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payment_intent_response = uncloud_stripe.get_payment_intent(request.user, pricing["price_after_discount_with_vat"])
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context.update({
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'payment_intent_secret': payment_intent_response.client_secret,
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'order': specs,
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'pricing': pricing,
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'stripe_key': settings.STRIPE_PUBLIC_KEY,
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})
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return render(request, self.template_name, context)
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def post(self, request, *args, **kwargs):
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customer = StripeCustomer.objects.get(owner=self.request.user)
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billing_address = BillingAddress.objects.get(id=request.session.get('billing_address_id'))
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if 'id_payment_method' in request.session:
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card = uncloud_stripe.get_card_from_payment(self.request.user, self.request.session['id_payment_method'])
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if not card:
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return show_error("There was a payment related error.", self.request)
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else:
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return show_error("There was a payment related error.", self.request)
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order = finalize_order(request, customer,
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billing_address,
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self.request.session['total_price'],
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PricingPlan.get_by_name(self.request.session['pricing']['name']),
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request.session.get('order'))
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if order:
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bill = Bill.create_next_bill_for_user_address(billing_address)
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payment= Payment.objects.create(owner=request.user, amount=self.request.session['total_price'], source='stripe')
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if payment:
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#Close the bill as the payment has been added
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bill.close()
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response = {
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'status': True,
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'redirect': (reverse('matrix:dashboard')),
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'msg_title': str(_('Thank you for the order.')),
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'msg_body': str(
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_('Your VM will be up and running in a few moments.'
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' We will send you a confirmation email as soon as'
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' it is ready.'))
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}
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return JsonResponse(response)
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def finalize_order(request, customer, billing_address,
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one_time_price, pricing_plan,
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specs):
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product = Product.objects.first()
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recurring_period_product = ProductToRecurringPeriod.objects.filter(product=product, is_default=True).first()
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order = Order.objects.create(
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owner=request.user,
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customer=customer,
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billing_address=billing_address,
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one_time_price=one_time_price,
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pricing_plan=pricing_plan,
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recurring_period= recurring_period_product.recurring_period,
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product = product,
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config=json.dumps(specs)
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)
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return order
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class Dashboard(ListView):
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template_name = "matrixhosting/dashboard.html"
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model = Order
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@method_decorator(login_required)
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def dispatch(self, *args, **kwargs):
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return super().dispatch(*args, **kwargs)
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def get_queryset(self):
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return Order.objects.filter(owner=self.request.user)
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def post(self, request, *args, **kwargs):
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order = Order.objects.get(id=request.POST.get('order_id', 0))
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order.cancel()
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return JsonResponse({'message': 'Successfully Cancelled'})
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def get_error_response_dict(request):
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response = {
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'status': False,
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'redirect': "{url}#{section}".format(
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url=(reverse('matrix:payment')),
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section='payment_error'
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),
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'msg_title': str(_('Error.')),
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'msg_body': str(
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_('There was a payment related error.'
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' On close of this popup, you will be redirected back to'
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' the payment page.'))
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}
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return response
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def show_error(msg, request):
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messages.add_message(request, messages.ERROR, msg,
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extra_tags='failed_payment')
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return JsonResponse(get_error_response_dict(request))
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class MachineViewSet(viewsets.ReadOnlyModelViewSet):
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serializer_class = VMInstanceSerializer
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permission_classes = [permissions.IsAuthenticated]
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def get_queryset(self):
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return VMInstance.objects.filter(owner=self.request.user)
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