Add a basic djstripe integration (#9087)

* Add a basic djstripe integration

This will allow us to run migrations,
and configure it initially in production.

Author: ericholscher

readthedocs/settings/base.py

@@ -175,6 +175,7 @@ def INSTALLED_APPS(self):  # noqa
             'django_filters',
             'polymorphic',
             'simple_history',
+            'djstripe',
 
             # our apps
             'readthedocs.projects',
@@ -741,9 +742,24 @@ def DOCKER_LIMITS(self):
     TAGGIT_TAGS_FROM_STRING = 'readthedocs.projects.tag_utils.rtd_parse_tags'
 
     # Stripe
+    # Existing values we use
     STRIPE_SECRET = None
     STRIPE_PUBLISHABLE = None
 
+    # DJStripe values -- **CHANGE THESE IN PRODUCTION**
+    STRIPE_LIVE_SECRET_KEY = None
+    STRIPE_TEST_SECRET_KEY = "sk_test_x" # A default so the `checks` don't fail
+    DJSTRIPE_WEBHOOK_SECRET = None
+    STRIPE_LIVE_MODE = False  # Change to True in production
+    # This is less optimal than setting the webhook secret
+    # However, the app won't start without the secret
+    # with this setting set to the default
+    DJSTRIPE_WEBHOOK_VALIDATION = "retrieve_event"
+
+    # These values shouldn't need to change..
+    DJSTRIPE_FOREIGN_KEY_TO_FIELD = "id"
+    DJSTRIPE_USE_NATIVE_JSONFIELD = True  # We recommend setting to True for new installations
+
     # Do Not Track support
     DO_NOT_TRACK_ENABLED = False
 

readthedocs/urls.py

@@ -9,7 +9,12 @@
 from django.contrib import admin
 from django.views.generic.base import RedirectView, TemplateView
 
-from readthedocs.core.views import HomepageView, SupportView, do_not_track, server_error_500
+from readthedocs.core.views import (
+    HomepageView,
+    SupportView,
+    do_not_track,
+    server_error_500,
+)
 from readthedocs.search.api import PageSearchAPIView
 from readthedocs.search.views import GlobalSearchView
 
@@ -51,6 +56,8 @@
     re_path(r'^builds/', include('readthedocs.builds.urls')),
     # For testing the 500's with DEBUG on.
     re_path(r'^500/$', handler500),
+    # Put this as a unique path for the webhook, so we don't clobber existing Stripe URL's
+    re_path(r"^djstripe/", include("djstripe.urls", namespace="djstripe")),
 ]
 
 project_urls = [
@@ -156,6 +163,7 @@
 
 if settings.ALLOW_ADMIN:
     groups.append(admin_urls)
+
 if settings.DEBUG:
     import debug_toolbar
 

requirements/pip.txt

@@ -70,6 +70,7 @@ django-gravatar2==1.4.4
 pytz==2022.1
 django-kombu==0.9.4
 stripe==2.72.0
+dj-stripe==2.6.1
 regex==2022.3.15
 markdown==3.3.6