Improve subscr cancellation, add unusub feedback

ccvpn/settings.py

@@ -232,6 +232,9 @@ PAYMENTS_BACKENDS = {
         # 'receiver': '',  # PayPal primary address if different
         # 'currency': 'EUR',
         # 'header_image': '',
+        'api_username': ',
+        'api_password': '',
+        'api_sig': '',
     },
     'stripe': {
         'enabled': False,

locale/fr/LC_MESSAGES/django.po

@@ -2,7 +2,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-08-23 02:40+0000\n"
+"POT-Creation-Date: 2019-09-07 21:02+0000\n"
 "PO-Revision-Date: 2016-04-07 01:32+0000\n"
 "Last-Translator: \n"
 "Language-Team: \n"
@@ -264,19 +264,19 @@ msgstr "Config"
 msgid "Status"
 msgstr "État"
 
-#: payments/admin.py:11
+#: payments/admin.py:12
 msgid "Mark as cancelled (do not actually cancel)"
 msgstr "Marquer comme annulé (n'annule pas)"
 
-#: payments/admin.py:36 payments/admin.py:91
+#: payments/admin.py:37 payments/admin.py:92
 msgid "Payment Data"
 msgstr "Données de paiement"
 
-#: payments/admin.py:59
+#: payments/admin.py:60
 msgid "Amount"
 msgstr "Montant"
 
-#: payments/admin.py:63
+#: payments/admin.py:64
 msgid "Paid amount"
 msgstr "Montant payé"
 
@@ -351,11 +351,11 @@ msgstr ""
 "En attente de la confirmation par Paypal... Cette étape peut durer quelques "
 "minutes..."
 
-#: payments/backends/paypal.py:13 payments/backends/paypal.py:14
+#: payments/backends/paypal.py:14 payments/backends/paypal.py:15
 msgid "PayPal"
 msgstr "PayPal"
 
-#: payments/backends/paypal.py:51
+#: payments/backends/paypal.py:59
 msgid ""
 "Waiting for PayPal to confirm the transaction... It can take up to a few "
 "minutes..."
@@ -416,20 +416,17 @@ msgid "Every year"
 msgstr "Tous les ans"
 
 #: payments/views.py:156
-msgid ""
-"Error subscribing. It usually means you don't have enough money available."
-msgstr ""
-"Il y a une erreur à l'inscription. C'est le plus souvent un manque de fonds "
-"sur la carte."
-
-#: payments/views.py:159
-msgid "Subscribed!"
-msgstr "Abonné!"
-
-#: payments/views.py:197
 msgid "Subscription cancelled!"
 msgstr "Abonnement annulé!"
 
+#: payments/views.py:158
+msgid ""
+"Could not cancel the subscription. It may have already been cancelled or "
+"caused an error."
+msgstr ""
+"Impossible d'annuler le paiement récurrent. Il a peut-être été déjà annulé "
+"ou une erreur est survenue."
+
 #: templates/account_layout.html:12
 msgid "Config Download"
 msgstr "Configuration"
@@ -443,7 +440,7 @@ msgstr "Paiements"
 msgid "Models in the %(name)s application"
 msgstr ""
 
-#: templates/admin/index.html:31 templates/lambdainst/account.html:148
+#: templates/admin/index.html:31 templates/lambdainst/account.html:128
 msgid "Add"
 msgstr "Ajouter"
 
@@ -676,19 +673,11 @@ msgstr ""
 "Votre compte est actif. Votre abonnement sera automatiquement renouvelé le "
 "%(until)s via %(backend)s."
 
-#: templates/lambdainst/account.html:28
+#: templates/lambdainst/account.html:26
-msgid "You can cancel it from PayPal account."
+msgid "cancel"
-msgstr "Vous pouvez annuler depuis votre compte PayPal."
+msgstr "annuler"
-
-#: templates/lambdainst/account.html:35
-msgid "Cancel Subscription"
-msgstr "Annuler l'abonnement"
 
-#: templates/lambdainst/account.html:43
+#: templates/lambdainst/account.html:30
-msgid "Do you really want to cancel your subscription?"
-msgstr "Voulez-vous vraimer annuler votre abonnement ?"
-
-#: templates/lambdainst/account.html:50
 #, python-format
 msgid ""
 "Your subscription is waiting for confirmation by %(backend)s. It may take up "
@@ -697,17 +686,17 @@ msgstr ""
 "Votre abonnement est en attente de confirmation par %(backend)s. Cette étape "
 "peut prendre jusqu'à quelques minutes..."
 
-#: templates/lambdainst/account.html:58
+#: templates/lambdainst/account.html:38
 #, python-format
 msgid "Your account is paid until %(until)s"
 msgstr "Votre compte est activé jusqu'au %(until)s"
 
-#: templates/lambdainst/account.html:61
+#: templates/lambdainst/account.html:41
 #, python-format
 msgid "(%(left)s left)"
 msgstr "(%(left)s restant)"
 
-#: templates/lambdainst/account.html:67
+#: templates/lambdainst/account.html:47
 msgid ""
 "You can activate your free trial account for two hours periods for up to one "
 "week, by clicking this button:"
@@ -715,75 +704,75 @@ msgstr ""
 "Vous pouvez activez votre compte d'essai pour des périodes de deux heures "
 "pendant jusqu'à une semaine avec ce bouton:"
 
-#: templates/lambdainst/account.html:76
+#: templates/lambdainst/account.html:56
 msgid "Activate"
 msgstr "Activer"
 
-#: templates/lambdainst/account.html:93
+#: templates/lambdainst/account.html:73
 msgid "Your account is not paid."
 msgstr "Votre compte n'est pas payé."
 
-#: templates/lambdainst/account.html:102 templates/payments/list.html:6
+#: templates/lambdainst/account.html:82 templates/payments/list.html:6
 msgid "Subscription"
 msgstr "Abonnement"
 
-#: templates/lambdainst/account.html:110
+#: templates/lambdainst/account.html:90
 msgid "Pay every"
 msgstr "Payer tous les"
 
-#: templates/lambdainst/account.html:112 templates/lambdainst/account.html:113
+#: templates/lambdainst/account.html:92 templates/lambdainst/account.html:93
-#: templates/lambdainst/account.html:114 templates/lambdainst/account.html:151
+#: templates/lambdainst/account.html:94 templates/lambdainst/account.html:131
-#: templates/lambdainst/account.html:152 templates/lambdainst/account.html:153
+#: templates/lambdainst/account.html:132 templates/lambdainst/account.html:133
 msgid "months"
 msgstr "mois"
 
-#: templates/lambdainst/account.html:119 templates/lambdainst/account.html:158
+#: templates/lambdainst/account.html:99 templates/lambdainst/account.html:138
 msgid "by"
 msgstr "par"
 
-#: templates/lambdainst/account.html:131
+#: templates/lambdainst/account.html:111
 msgid "Subscribe"
 msgstr "S'abonner"
 
-#: templates/lambdainst/account.html:133
+#: templates/lambdainst/account.html:113
 msgid "You can cancel the recurring payment at any time."
 msgstr "Vous pouvez annuler le paiement récurrent à n'importe quel moment."
 
-#: templates/lambdainst/account.html:140
+#: templates/lambdainst/account.html:120
 msgid "One-time payment"
 msgstr "Paiement ponctuel"
 
-#: templates/lambdainst/account.html:150
+#: templates/lambdainst/account.html:130
 msgid "month"
 msgstr "mois"
 
-#: templates/lambdainst/account.html:170
+#: templates/lambdainst/account.html:150
 msgid "Buy Now"
 msgstr "Acheter"
 
-#: templates/lambdainst/account.html:172
+#: templates/lambdainst/account.html:152
 msgid "If you still have time, it will be added."
 msgstr "S'il vous reste du temps, il sera ajouté."
 
-#: templates/lambdainst/account.html:183
+#: templates/lambdainst/account.html:163
 msgid "Gift code"
 msgstr "Code cadeau"
 
-#: templates/lambdainst/account.html:189
+#: templates/lambdainst/account.html:169
 msgid "Redeem gift code"
 msgstr "Récupérer le code cadeau"
 
-#: templates/lambdainst/account.html:199
+#: templates/lambdainst/account.html:179
 msgid ""
 "Get two weeks for free for every referral that takes at least one month!"
 msgstr ""
 "Gagnez deux semaines gratuites pour chaque client qui a utilisé ce lien !"
 
-#: templates/lambdainst/account.html:202
+#: templates/lambdainst/account.html:182
 msgid "Share this link"
 msgstr "Partagez ce lien"
 
-#: templates/lambdainst/account.html:206
+#: templates/lambdainst/account.html:186
 msgid "tweet"
 msgstr ""
 
@@ -895,7 +884,7 @@ msgstr "IP Partagée"
 msgid "Bandwidth"
 msgstr "Bande passante"
 
-#: templates/lambdainst/logs.html:27 tickets/admin.py:50 tickets/models.py:58
+#: templates/lambdainst/logs.html:27 tickets/admin.py:50 tickets/models.py:57
 msgid "Open"
 msgstr "Open"
 
@@ -1000,7 +989,7 @@ msgid "Guides"
 msgstr "Guides"
 
 #: templates/layout.html:57 templates/tickets/index.html:6
-#: templates/tickets/layout.html:8 tickets/models.py:14
+#: templates/tickets/layout.html:8 tickets/models.py:13
 msgid "Support"
 msgstr "Support"
 
@@ -1032,6 +1021,23 @@ msgstr "C'est open-source!"
 msgid "Any question? <b>Chat with us</b>"
 msgstr "Une question ? <b>Contactez nous</b>"
 
+#: templates/payments/cancel_subscr.html:8
+#: templates/payments/cancel_subscr.html:24
+msgid "Cancel Subscription"
+msgstr "Annuler l'abonnement"
+
+#: templates/payments/cancel_subscr.html:15
+msgid "We're sorry to see you go."
+msgstr "Nous sommes désolés que vous nous quittiez."
+
+#: templates/payments/cancel_subscr.html:16
+msgid ""
+"Would you like to tell us why, or leave any feedback so we can improve our "
+"service?"
+msgstr ""
+"Voudriez-vous nous dire pourquoi, ou laisser un retour pour nous permettre "
+"d'améliorer notre service ?"
+
 #: templates/payments/form.html:7 templates/payments/view.html:13
 msgid "Payment"
 msgstr "Paiement"
@@ -1188,7 +1194,7 @@ msgstr "Nouvelle réponse à votre ticket:"
 msgid "Open Ticket"
 msgstr "Créer le ticket"
 
-#: templates/tickets/view.html:7 tickets/models.py:66 tickets/models.py:72
+#: templates/tickets/view.html:7 tickets/models.py:65 tickets/models.py:71
 #: tickets/views.py:116 tickets/views.py:146
 msgid "Ticket:"
 msgstr "Ticket:"
@@ -1221,7 +1227,7 @@ msgstr "Fermer les tickets séléctionnés"
 msgid "Re-opened"
 msgstr "Ré-ouvert"
 
-#: tickets/admin.py:52 tickets/models.py:53
+#: tickets/admin.py:52 tickets/models.py:52
 msgid "Closed"
 msgstr "Fermé"
 
@@ -1233,30 +1239,45 @@ msgstr "Catégorie"
 msgid "Message"
 msgstr "Message"
 
-#: tickets/models.py:15
+#: tickets/models.py:14
 msgid "Security"
 msgstr "Sécurité"
 
-#: tickets/models.py:16
+#: tickets/models.py:15
 msgid "Account / Billing"
 msgstr "Compte / Facturation"
 
-#: tickets/models.py:36
+#: tickets/models.py:35
 msgid "Can view any ticket"
 msgstr "Peut voir n'importe quel ticket"
 
-#: tickets/models.py:37
+#: tickets/models.py:36
 msgid "Can reply to any ticket"
 msgstr "Peut répondre à n'importe quel ticket"
 
-#: tickets/models.py:38
+#: tickets/models.py:37
 msgid "Can view private messages on tickets"
 msgstr "Peut voir les messages privés"
 
-#: tickets/models.py:39
+#: tickets/models.py:38
 msgid "Can post private messages on tickets"
 msgstr "Peut envoyer des messages privés"
 
-#: tickets/models.py:56
+#: tickets/models.py:55
 msgid "Waiting for staff"
 msgstr "En attente du support"
+
+#~ msgid ""
+#~ "Error subscribing. It usually means you don't have enough money available."
+#~ msgstr ""
+#~ "Il y a une erreur à l'inscription. C'est le plus souvent un manque de "
+#~ "fonds sur la carte."
+
+#~ msgid "Subscribed!"
+#~ msgstr "Abonné!"
+
+#~ msgid "You can cancel it from PayPal account."
+#~ msgstr "Vous pouvez annuler depuis votre compte PayPal."
+
+#~ msgid "Do you really want to cancel your subscription?"
+#~ msgstr "Voulez-vous vraimer annuler votre abonnement ?"

payments/admin.py

@@ -3,7 +3,8 @@ from django.shortcuts import resolve_url
 from django.contrib import admin
 from django.utils.html import format_html
 from django.utils.translation import ugettext_lazy as _
-from .models import Payment, Subscription
+from django.utils.text import Truncator
+from .models import Payment, Subscription, Feedback
 
 
 def subscr_mark_as_cancelled(modeladmin, request, queryset):
@@ -116,6 +117,15 @@ class SubscriptionAdmin(admin.ModelAdmin):
         return link(object.backend_extid, ext_url)
     backend_extid_link.allow_tags = True
 
+class FeedbackAdmin(admin.ModelAdmin):
+    model = Feedback
+    list_display = ('user', 'created', 'short_message')
+    readonly_fields = ('user', 'created', 'message', 'subscription')
+
+    def short_message(self, obj):
+        return Truncator(obj.message).chars(80)
+
 admin.site.register(Payment, PaymentAdmin)
 admin.site.register(Subscription, SubscriptionAdmin)
+admin.site.register(Feedback, FeedbackAdmin)
 

payments/backends/paypal.py

@@ -4,6 +4,7 @@ from urllib.parse import urlencode
 from urllib.request import urlopen
 from django.urls import reverse
 from django.conf import settings as project_settings
+import requests
 
 from .base import BackendBase
 
@@ -22,13 +23,20 @@ class PaypalBackend(BackendBase):
         self.account_address = settings.get('address')
         self.receiver_address = settings.get('receiver', self.account_address)
 
+        self.api_username = settings.get('api_username')
+        self.api_password = settings.get('api_password')
+        self.api_sig = settings.get('api_sig')
+
         if self.test:
+            default_nvp = 'https://api-3t.sandbox.paypal.com/nvp'
             default_api = 'https://www.sandbox.paypal.com/'
         else:
+            default_nvp = 'https://api-3t.paypal.com/nvp'
             default_api = 'https://www.paypal.com/'
         self.api_base = settings.get('api_base', default_api)
+        self.nvp_api_base = settings.get('nvp_api_base', default_nvp)
 
-        if self.account_address:
+        if self.account_address and self.api_username and self.api_password and self.api_sig:
             self.backend_enabled = True
 
     def new_payment(self, payment):
@@ -196,6 +204,30 @@ class PaypalBackend(BackendBase):
             subscr.save()
             raise
 
+    def cancel_subscription(self, subscr):
+        if not subscr.backend_extid:
+            return False
+
+        try:
+            r = requests.post(self.nvp_api_base, data={
+                "METHOD": "ManageRecurringPaymentsProfileStatus",
+                "PROFILEID": subscr.backend_extid,
+                "ACTION": "cancel",
+                "USER": self.api_username,
+                "PWD": self.api_password,
+                "SIGNATURE": self.api_sig,
+                "VERSION": "204.0",
+            })
+            r.raise_for_status()
+            print(r.text)
+
+            subscr.status = 'cancelled'
+            subscr.save()
+            return True
+        except Exception as e:
+            print(e)
+            return False
+
     def get_ext_url(self, payment):
         if not payment.backend_extid:
             return None

payments/backends/stripe.py

@@ -123,6 +123,7 @@ class StripeBackend(BackendBase):
 
         subscr.status = 'cancelled'
         subscr.save()
+        return True
 
     def webhook_session_completed(self, event):
         session = event['data']['object']

payments/migrations/0006_auto_20190907_2029.py

@@ -0,0 +1,26 @@
+# Generated by Django 2.2.1 on 2019-09-07 20:29
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('payments', '0005_auto_20160907_0018'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Feedback',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', models.DateTimeField(auto_now_add=True)),
+                ('message', models.TextField()),
+                ('subscription', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='payments.Subscription')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

payments/models.py

@@ -55,11 +55,10 @@ ACTIVE_BACKEND_CHOICES = []
 logger.info("loading payment backends...")
 for cls in BACKEND_CLASSES:
     name = cls.backend_id
-    prefix = "Backend {:<8}:".format(name)
     assert isinstance(name, str)
 
     if name not in backends_settings:
-        logger.info("%s ☒ disabled (no settings)", prefix)
+        logger.info("payments: ☐  %s disabled (no settings)", name)
         continue
 
     backend_settings = backends_settings.get(name, {})
@@ -68,7 +67,7 @@ for cls in BACKEND_CLASSES:
             backend_settings[k] = v()
 
     if not backend_settings.get('enabled'):
-        logger.info("%s ☒ disabled (by settings)", prefix)
+        logger.info("payments: ☐  %s disabled (by settings)", name)
         continue
 
     obj = cls(backend_settings)
@@ -79,14 +78,14 @@ for cls in BACKEND_CLASSES:
     if obj.backend_enabled:
         ACTIVE_BACKENDS[name] = obj
         ACTIVE_BACKEND_CHOICES.append((name, cls.backend_verbose_name))
-        logger.info("%s ☑ initialized", prefix)
+        logger.info("payments: ☑  %s initialized", name)
     else:
-        logger.info("%s ☒ disabled (initialization failed)", prefix)
+        logger.info("payments: ☒  %s disabled (initialization failed)", name)
 
 BACKEND_CHOICES = sorted(BACKEND_CHOICES, key=lambda x: x[0])
 ACTIVE_BACKEND_CHOICES = sorted(ACTIVE_BACKEND_CHOICES, key=lambda x: x[0])
 
-logger.info("finished. %d/%d backends active", len(ACTIVE_BACKENDS), len(BACKEND_CLASSES))
+logger.info("payments: finished. %d/%d backends active", len(ACTIVE_BACKENDS), len(BACKEND_CLASSES))
 
 
 def period_months(p):
@@ -221,3 +220,9 @@ class Subscription(models.Model):
         return payment
 
 
+class Feedback(models.Model):
+    user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
+    subscription = models.ForeignKey('Subscription', null=True, blank=True, on_delete=models.SET_NULL)
+    created = models.DateTimeField(auto_now_add=True)
+    message = models.TextField()
+

payments/urls.py

@@ -7,16 +7,15 @@ urlpatterns = [
     url(r'^new$', views.new),
     url(r'^view/(?P<id>[0-9]+)$', views.view, name='view'),
     url(r'^cancel/(?P<id>[0-9]+)$', views.cancel, name='cancel'),
-    url(r'^cancel_subscr/(?P<id>[0-9]+)$', views.cancel_subscr, name='cancel_subscr'),
+    url(r'^cancel_subscr/(?P<id>[0-9]+)?$', views.cancel_subscr, name='cancel_subscr'),
     url(r'^return_subscr/(?P<id>[0-9]+)$', views.return_subscr, name='return_subscr'),
 
-    url(r'^callback/paypal/(?P<id>[0-9]+)$', views.callback_paypal, name='cb_paypal'),
+    url(r'^callback/paypal/(?P<id>[0-9]+)$', views.payment_callback('paypal'), name='cb_paypal'),
-    url(r'^callback/coingate/(?P<id>[0-9]+)$', views.callback_coingate, name='cb_coingate'),
+    url(r'^callback/coingate/(?P<id>[0-9]+)$', views.payment_callback('coingate'), name='cb_coingate'),
-    url(r'^callback/stripe/(?P<id>[0-9]+)$', views.callback_stripe, name='cb_stripe'),
+    url(r'^callback/stripe/(?P<id>[0-9]+)$', views.payment_callback('stripe'), name='cb_stripe'),
-    url(r'^callback/coinbase/$', views.callback_coinbase, name='cb_coinbase'),
+    url(r'^callback/coinbase/$', views.plain_callback('coinbase'), name='cb_coinbase'),
-    url(r'^callback/coinpayments/(?P<id>[0-9]+)$', views.callback_coinpayments, name='cb_coinpayments'),
+    url(r'^callback/coinpayments/(?P<id>[0-9]+)$', views.payment_callback('coinpayments'), name='cb_coinpayments'),
-    url(r'^callback/paypal_subscr/(?P<id>[0-9]+)$', views.callback_paypal_subscr, name='cb_paypal_subscr'),
+    url(r'^callback/paypal_subscr/(?P<id>[0-9]+)$', views.sub_callback('paypal'), name='cb_paypal_subscr'),
-    url(r'^callback/stripe_subscr/(?P<id>[0-9]+)$', views.callback_stripe_subscr, name='cb_stripe_subscr'),
 
     url(r'^callback/stripe_hook$', views.stripe_hook, name='stripe_hook'),
 

payments/views.py

@@ -10,7 +10,7 @@ from django.contrib import messages
 from django.utils.translation import ugettext_lazy as _
 
 from .forms import NewPaymentForm
-from .models import Payment, Subscription, BACKENDS, ACTIVE_BACKENDS
+from .models import Payment, Subscription, BACKENDS, ACTIVE_BACKENDS, Feedback
 
 
 def require_backend(name):
@@ -73,92 +73,45 @@ def new(request):
 
     return r
 
+def plain_callback(backend_name, method='callback'):
+    @csrf_exempt
+    def callback(request):
+        backend = require_backend(backend_name)
 
-@csrf_exempt
+        m = getattr(backend, method)
-def callback_paypal(request, id):
+        if m and m(Payment, request):
-    """ PayPal IPN """
+            return HttpResponse()
-    backend = require_backend('paypal')
+        else:
+            return HttpResponseBadRequest()
 
-    p = Payment.objects.get(id=id)
+    return callback
-    if backend.callback(p, request):
-        return HttpResponse()
-    else:
-        return HttpResponseBadRequest()
 
+def payment_callback(backend_name):
+    @csrf_exempt
+    def callback(request, id):
+        backend = require_backend(backend_name)
+        p = Payment.objects.get(id=id)
 
-@csrf_exempt
+        if backend.callback(p, request):
-@login_required
+            return HttpResponse()
-def callback_stripe(request, id):
+        else:
-    """ Stripe button POST """
+            return HttpResponseBadRequest()
-    backend = require_backend('stripe')
-
-    p = Payment.objects.get(id=id)
-    backend.callback(p, request)
-    return redirect(reverse('payments:view', args=(id,)))
-
-
-@csrf_exempt
-def callback_coingate(request, id):
-    """ CoinGate payment callback """
-    backend = require_backend('coingate')
 
-    p = Payment.objects.get(id=id)
+    return callback
-    if backend.callback(p, request):
-        return HttpResponse()
-    else:
-        return HttpResponseBadRequest()
 
+def sub_callback(backend_name):
+    @csrf_exempt
+    def callback(request, id):
+        backend = require_backend(backend_name)
 
-@csrf_exempt
+        p = Subscription.objects.get(id=id)
-def callback_coinbase(request):
-    backend = require_backend('coinbase')
 
-    if backend.callback(Payment, request):
+        if backend.callback_subscr(p, request):
-        return HttpResponse()
+            return HttpResponse()
-    else:
+        else:
-        return HttpResponseBadRequest()
+            return HttpResponseBadRequest()
-
-
-@csrf_exempt
-def callback_coinpayments(request, id):
-    """ CoinPayments payment callback """
-    backend = require_backend('coinpayments')
-
-    p = Payment.objects.get(id=id)
-    if backend.callback(p, request):
-        return HttpResponse()
-    else:
-        return HttpResponseBadRequest()
-
-
-@csrf_exempt
-def callback_paypal_subscr(request, id):
-    """ PayPal Subscription IPN """
-    backend = require_backend('paypal')
-
-    p = Subscription.objects.get(id=id)
-    if backend.callback_subscr(p, request):
-        return HttpResponse()
-    else:
-        return HttpResponseBadRequest()
-
-
-@csrf_exempt
-@login_required
-def callback_stripe_subscr(request, id):
-    """ Stripe subscription form target """
-    backend = require_backend('stripe')
-
-    p = Subscription.objects.get(id=id)
-    backend.callback_subscr(p, request)
-    if p.status == 'error' or p.status == 'cancelled':
-        messages.add_message(request, messages.ERROR,
-                             _("Error subscribing. It usually means you don't"
-                               " have enough money available."))
-    else:
-        messages.add_message(request, messages.INFO, _("Subscribed!"))
-    return redirect(reverse('account:index'))
 
+    return callback
 
 @csrf_exempt
 def stripe_hook(request):
@@ -187,17 +140,30 @@ def cancel(request, id):
 
 
 @login_required
-def cancel_subscr(request, id):
+def cancel_subscr(request, id=None):
-    if request.method != 'POST':
+    if request.method == 'POST' and id:
+        p = Subscription.objects.get(id=id, user=request.user)
+
+        # Saving any feedback note
+        feedback = request.POST.get('feedback')
+        if feedback:
+            feedback = feedback[:10000]
+            f = Feedback(user=request.user, subscription=p, message=feedback)
+            f.save()
+
+        try:
+            if p.backend.cancel_subscription(p):
+                messages.add_message(request, messages.INFO, _("Subscription cancelled!"))
+            else:
+                messages.add_message(request, messages.ERROR, _("Could not cancel the subscription. It may have already been cancelled or caused an error."))
+        except NotImplementedError:
+            pass
         return redirect('account:index')
 
-    p = Subscription.objects.get(id=id, user=request.user)
+    subscription = request.user.vpnuser.get_subscription(include_unconfirmed=True)
-    try:
+    return render(request, 'payments/cancel_subscr.html', {
-        p.backend.cancel_subscription(p)
+        'subscription': subscription,
-        messages.add_message(request, messages.INFO, _("Subscription cancelled!"))
+    })
-    except NotImplementedError:
-        pass
-    return redirect('account:index')
 
 
 @login_required
@@ -217,4 +183,3 @@ def list_payments(request):
     objects = request.user.payment_set.exclude(status='cancelled',
                                                created__lte=cancelled_limit)
     return render(request, 'payments/list.html', dict(payments=objects))
-

static/css/style.css

@@ -300,6 +300,10 @@ a.pure-button-primary, a.pure-button-selected {
     padding: 0.5em 2em;
 }
 
+.button-danger {
+    background-color: #A7332F;
+}
+
 form p.inputinfo {
     font-size: 0.8em;
     display: block;
@@ -735,6 +739,20 @@ div.ticket-message-private {
 }
 
 
+/***************************************************/
+/********************* Payments                    */
+
+.payments-cancel-page hr {
+    margin: 2em 1em;
+    border-bottom: 0;
+}
+.payments-cancel-page .feedback {
+    width: 100%;
+}
+.payments-cancel-page .pure-controls {
+    text-align: center;
+}
+
 
 /***************************************************/
 /********************* Live chat                   */

templates/lambdainst/account.html

@@ -23,28 +23,8 @@
                     {% blocktrans trimmed with until=subscription.next_renew|date:'DATE_FORMAT' backend=subscription.backend.backend_verbose_name %}
                     Your account is active. Your subscription will automatically renew on {{until}} ({{backend}}).
                     {% endblocktrans %}
+                    (<a href="{% url 'payments:cancel_subscr' %}">{% trans "cancel" %}</a>)
                 </p>
-                {% if subscription.backend_id == 'paypal' %}
-                    <p>{% trans 'You can cancel it from PayPal account.' %}</p>
-                {% else %}
-                    <form action="/payments/cancel_subscr/{{subscription.id}}" method="post" class="pure-form centered-form" id="cancel-form">
-                        {% csrf_token %}
-                        <fieldset>
-                            <div class="pure-controls">
-                                <input type="submit" class="pure-button pure-button-primary"
-                                       value="{% trans 'Cancel Subscription' %}" />
-                            </div>
-                        </fieldset>
-                    </form>
-                    <script type="text/javascript">
-                    (function() {
-                        var e = document.getElementById("cancel-form");
-                        e.onsubmit = function() {
-                            return confirm("{% trans 'Do you really want to cancel your subscription?' %}");
-                        };
-                    })();
-                    </script>
-                {% endif %}
             {% else %}
                 <p class="account-status-paid">
                     {% blocktrans trimmed with backend=subscription.backend.backend_verbose_name %}

templates/payments/cancel_subscr.html

@@ -0,0 +1,32 @@
+{% extends 'account_layout.html' %}
+{% load i18n %}
+{% load staticfiles %}
+
+{% block account_content %}
+
+<div class="payments-cancel-page">
+    <h1>{% trans 'Cancel Subscription' %}</h1>
+
+    {% if subscription %}
+        <form action="/payments/cancel_subscr/{{subscription.id}}" method="post" class="pure-form centered-form" id="cancel-form">
+            {% csrf_token %}
+            <fieldset>
+                <p>
+                    {% trans "We're sorry to see you go." %}<br />
+                    {% trans "Would you like to tell us why, or leave any feedback so we can improve our service?" %}
+                </p>
+                <textarea name="feedback" class="pure-input-1" maxlength=10000></textarea>
+
+                <hr />
+
+                <div class="pure-controls">
+                    <input type="submit" class="pure-button pure-button-primary button-danger"
+                            value="{% trans 'Cancel Subscription' %}" />
+                </div>
+            </fieldset>
+        </form>
+    {% else %}
+        <p>You do not have any active subscription to cancel.</p>
+    {% endif %}
+</div>
+{% endblock %}