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from django.shortcuts import render, redirect, reverse from django.shortcuts import get_object_or_404, HttpResponse from django.views.decorators.http import require_POST from django.contrib import messages from django.conf import settings from django.core.mail import send_mail from django.template.loader import render_to_string from .forms import OrderForm from .models import Order, OrderLineItem from products.models import Product from profiles.models import UserProfile from profiles.forms import UserProfileForm from bag.contexts import bag_contents import stripe import json import os @require_POST def cache_checkout_data(request): try: pid = request.POST.get('client_secret').split('_secret')[0] stripe.api_key = settings.STRIPE_SECRET_KEY stripe.PaymentIntent.modify(pid, metadata={ 'bag': json.dumps(request.session.get('bag', {})), 'save_info': request.POST.get('save_info'), 'username': request.user, }) return HttpResponse(status=200) except Exception as e: messages.error(request, 'Sorry, your payment cannot be \ processed right now. Please try again later.') return HttpResponse(content=e, status=400) def checkout(request): stripe_public_key = settings.STRIPE_PUBLISHABLE_KEY stripe_secret_key = settings.STRIPE_SECRET_KEY if request.method == 'POST': bag = request.session.get('bag', {}) form_data = { 'full_name': request.POST['full_name'], 'email': request.POST['email'], 'phone_number': request.POST['phone_number'], 'country': request.POST['country'], 'postcode': request.POST['postcode'], 'town_or_city': request.POST['town_or_city'], 'street_address1': request.POST['street_address1'], 'street_address2': request.POST['street_address2'], 'county': request.POST['county'], } order_form = OrderForm(form_data) if order_form.is_valid(): order = order_form.save(commit=False) pid = request.POST.get('client_secret').split('_secret')[0] order.stripe_pid = pid order.original_bag = json.dumps(bag) order.save() for item_id, item_data in bag.items(): try: product = Product.objects.get(id=item_id) if isinstance(item_data, int): order_line_item = OrderLineItem( order=order, product=product, quantity=item_data, ) order_line_item.save() else: for size, quantity in item_data[ 'items_by_size' ].items(): order_line_item = OrderLineItem( order=order, product=product, quantity=quantity, product_size=size, ) order_line_item.save() except Product.DoesNotExist: messages.error(request, ( "One of the products in" "your bag wasn't found in our database. " "Please call us for assistance!") ) order.delete() return redirect(reverse('view_bag')) # Save the info to the user's profile if all is well request.session['save_info'] = 'save-info' in request.POST return redirect( reverse('checkout_success', args=[order.order_number]) ) else: messages.error(request, 'There was an error with your form. \ Please double check your information.') else: bag = request.session.get('bag', {}) if not bag: messages.error( request, "There's nothing in your bag at the moment" ) return redirect(reverse('products')) current_bag = bag_contents(request) total = current_bag['grand_total'] stripe_total = round(total * 100) stripe.api_key = stripe_secret_key intent = stripe.PaymentIntent.create( amount=stripe_total, currency=settings.STRIPE_CURRENCY, ) # Attempt to prefill the form with info from user profile if request.user.is_authenticated: try: profile = UserProfile.objects.get(user=request.user) order_form = OrderForm(initial={ 'full_name': profile.user.get_full_name(), 'email': profile.user.email, 'phone_number': profile.default_phone_number, 'country': profile.default_country, 'postcode': profile.default_postcode, 'town_or_city': profile.default_town_or_city, 'street_address1': profile.default_street_address1, 'street_address2': profile.default_street_address2, 'county': profile.default_county, }) except UserProfile.DoesNotExist: order_form = OrderForm() else: order_form = OrderForm() if not stripe_public_key: messages.warning(request, 'Stripe public key is missing. \ Did you forget to set it in your environment?') template = 'checkout/checkout.html' context = { 'order_form': order_form, 'stripe_public_key': stripe_public_key, 'client_secret': intent.client_secret, } return render(request, template, context) def checkout_success(request, order_number): """ Handle successful checkouts """ save_info = request.session.get('save_info') order = get_object_or_404(Order, order_number=order_number) if request.user.is_authenticated: profile = UserProfile.objects.get(user=request.user) # Attach the user's profile to the order order.user_profile = profile order.save() # Save the user's info if save_info: profile_data = { 'default_phone_number': order.phone_number, 'default_country': order.country, 'default_postcode': order.postcode, 'default_town_or_city': order.town_or_city, 'default_street_address1': order.street_address1, 'default_street_address2': order.street_address2, 'default_county': order.county, } user_profile_form = UserProfileForm(profile_data, instance=profile) if user_profile_form.is_valid(): user_profile_form.save() messages.success(request, f'Order successfully processed! \ Your order number is {order_number}. A confirmation \ email will be sent to {order.email}.') cust_email = order.email subject = render_to_string( 'checkout/confirmation_emails/confirmation_mail_subject.txt', {'order': order}) body = render_to_string( 'checkout/confirmation_emails/confirmation_mail_body.txt', {'order': order, 'contact_email': settings.DEFAULT_FROM_EMAIL}) send_mail( subject, body, settings.DEFAULT_FROM_EMAIL, [cust_email] ) if 'bag' in request.session: del request.session['bag'] template = 'checkout/checkout_success.html' context = { 'order': order, } return render(request, template, context)