mirror of
https://gitlab2.federez.net/re2o/re2o
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141 lines
4.1 KiB
Python
141 lines
4.1 KiB
Python
"""Payment
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Here are defined some views dedicated to online payement.
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"""
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from collections import OrderedDict
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from django.urls import reverse
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from django.shortcuts import redirect, get_object_or_404
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from django.contrib.auth.decorators import login_required
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from django.contrib import messages
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from django.views.decorators.csrf import csrf_exempt
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from django.utils.datastructures import MultiValueDictKeyError
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from django.utils.translation import ugettext as _
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from django.http import HttpResponse, HttpResponseBadRequest
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from preferences.models import AssoOption
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from .models import Facture
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from .payment_utils.comnpay import Payment as ComnpayPayment
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@csrf_exempt
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@login_required
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def accept_payment(request, factureid):
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"""
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The view called when an online payment has been accepted.
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"""
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facture = get_object_or_404(Facture, id=factureid)
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messages.success(
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request,
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_("The payment of %(amount)s € has been accepted.") % {
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'amount': facture.prix()
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}
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)
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return redirect(reverse(
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'users:profil',
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kwargs={'userid': request.user.id}
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))
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@csrf_exempt
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@login_required
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def refuse_payment(request):
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"""
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The view called when an online payment has been refused.
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"""
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messages.error(
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request,
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_("The payment has been refused.")
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)
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return redirect(reverse(
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'users:profil',
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kwargs={'userid': request.user.id}
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))
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@csrf_exempt
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def ipn(request):
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"""
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The view called by Comnpay server to validate the transaction.
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Verify that we can firmly save the user's action and notify
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Comnpay with 400 response if not or with a 200 response if yes
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"""
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p = ComnpayPayment()
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order = ('idTpe', 'idTransaction', 'montant', 'result', 'sec', )
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try:
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data = OrderedDict([(f, request.POST[f]) for f in order])
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except MultiValueDictKeyError:
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return HttpResponseBadRequest("HTTP/1.1 400 Bad Request")
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if not p.validSec(data, AssoOption.get_cached_value('payment_pass')):
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return HttpResponseBadRequest("HTTP/1.1 400 Bad Request")
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result = True if (request.POST['result'] == 'OK') else False
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idTpe = request.POST['idTpe']
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idTransaction = request.POST['idTransaction']
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# Checking that the payment is actually for us.
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if not idTpe == AssoOption.get_cached_value('payment_id'):
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return HttpResponseBadRequest("HTTP/1.1 400 Bad Request")
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try:
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factureid = int(idTransaction)
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except ValueError:
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return HttpResponseBadRequest("HTTP/1.1 400 Bad Request")
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facture = get_object_or_404(Facture, id=factureid)
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# Checking that the payment is valid
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if not result:
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# Payment failed: Cancelling the invoice operation
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facture.delete()
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# And send the response to Comnpay indicating we have well
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# received the failure information.
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return HttpResponse("HTTP/1.1 200 OK")
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facture.valid = True
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facture.save()
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# Everything worked we send a reponse to Comnpay indicating that
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# it's ok for them to proceed
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return HttpResponse("HTTP/1.0 200 OK")
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def comnpay(facture, request):
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"""
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Build a request to start the negociation with Comnpay by using
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a facture id, the price and the secret transaction data stored in
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the preferences.
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"""
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host = request.get_host()
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p = ComnpayPayment(
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str(AssoOption.get_cached_value('payment_id')),
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str(AssoOption.get_cached_value('payment_pass')),
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'https://' + host + reverse(
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'cotisations:accept_payment',
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kwargs={'factureid': facture.id}
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),
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'https://' + host + reverse('cotisations:refuse_payment'),
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'https://' + host + reverse('cotisations:ipn'),
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"",
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"D"
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)
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r = {
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'action': 'https://secure.homologation.comnpay.com',
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'method': 'POST',
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'content': p.buildSecretHTML(
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"Rechargement du solde",
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facture.prix(),
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idTransaction=str(facture.id)
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),
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'amount': facture.prix,
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}
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return r
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# The payment systems supported by re2o
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PAYMENT_SYSTEM = {
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'COMNPAY': comnpay,
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'NONE': None
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}
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