2022-06-21 19:07:03 +00:00
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# Copyright © 2022 Aravinth Manivannan <realaravinth@batsense.net>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from datetime import datetime, timedelta, timezone
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from django.shortcuts import get_object_or_404, redirect, render
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from django.template.response import TemplateResponse
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from django.contrib.auth.decorators import login_required
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from django.http import HttpResponse
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from django.urls import reverse
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from payments import get_payment_model, RedirectNeeded, PaymentStatus
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from dash.models import Instance
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from django.db.models import Q
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def default_ctx(title: str, username: str):
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"""
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Default context for all dashboard
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"""
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return {
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"title": title,
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"username": username,
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}
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@login_required
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def pending_invoices(request):
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PAGE_TITLE = "Pending Invoices"
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user = request.user
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Payment = get_payment_model()
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payments = Payment.objects.filter(~Q(status=PaymentStatus.CONFIRMED), paid_by=user)
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ctx = default_ctx(title=PAGE_TITLE, username=user.username)
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ctx["payments"] = payments
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return render(request, "billing/invoices/pending/index.html", context=ctx)
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@login_required
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def paid_invoices(request):
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PAGE_TITLE = "Payment Receipts"
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user = request.user
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Payment = get_payment_model()
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payments = Payment.objects.filter(status=PaymentStatus.CONFIRMED, paid_by=user)
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ctx = default_ctx(title=PAGE_TITLE, username=user.username)
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ctx["payments"] = payments
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return render(request, "billing/invoices/paid/index.html", context=ctx)
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@login_required
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def generate_invoice(request, instance_name: str):
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instance = get_object_or_404(Instance, name=instance_name, owned_by=request.user)
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Payment = get_payment_model()
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now = datetime.now(tz=timezone.utc)
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delta = now - timedelta(seconds=(60 * 60 * 24 * 30)) # one month
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payment = None
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2022-06-25 10:57:26 +00:00
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for p in Payment.objects.filter(date__gt=(delta), instance_name=instance_name):
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2022-06-21 19:07:03 +00:00
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if p.status == PaymentStatus.CONFIRMED:
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return HttpResponse("BAD REQUEST: Already paid", status=400)
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elif any([p.status == PaymentStatus.INPUT, p.status == PaymentStatus.WAITING]):
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if payment is None:
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payment = p
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else:
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print(f"Duplicate payment {p}, deleting in favor of {payment}")
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p.delete()
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if payment is None:
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print("Payment not found, generating new payment")
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payment = Payment.objects.create(
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variant="stripe", # this is the variant from PAYMENT_VARIANTS
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instance=instance,
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)
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return redirect(reverse("billing.invoice.details", args=(payment.public_ref,)))
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@login_required
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def payment_details(request, payment_public_id):
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payment = get_object_or_404(
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get_payment_model(), public_ref=payment_public_id, paid_by=request.user
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)
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try:
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form = payment.get_form(data=request.POST or None)
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except RedirectNeeded as redirect_to:
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return redirect(str(redirect_to))
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PAGE_TITLE = f'Invoice for VM "{payment.instance_name}"'
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ctx = default_ctx(title=PAGE_TITLE, username=request.user.username)
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ctx["form"] = form
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ctx["payment"] = payment
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return render(request, "billing/index.html", ctx)
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@login_required
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def payment_success(request, payment_public_id):
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PAGE_TITLE = "Payment Success"
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ctx = default_ctx(title=PAGE_TITLE, username=request.user.username)
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payment = get_object_or_404(
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get_payment_model(), public_ref=payment_public_id, paid_by=request.user
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)
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return HttpResponse(
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f"{payment.description} worth {payment.total}{payment.currency} paid via {payment.variant} is success"
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)
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@login_required
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def payment_failure(request, payment_public_id):
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PAGE_TITLE = "Payment failure"
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payment = get_object_or_404(
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get_payment_model(), public_ref=payment_public_id, paid_by=request.user
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)
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ctx = default_ctx(title=PAGE_TITLE, username=request.user.username)
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return HttpResponse(f"{payment} failed")
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