Overhauled entire project config, added notifications, email templates, optimized stripe subscriptions, redis caching, and webdriver utilities

backend/notifications/views.py

@@ -0,0 +1,35 @@
+from rest_framework import viewsets
+from notifications.models import Notification
+from notifications.serializers import NotificationSerializer
+from rest_framework.exceptions import PermissionDenied
+from django.core.cache import cache
+
+
+class NotificationViewSet(viewsets.ModelViewSet):
+    http_method_names = ['get', 'patch', 'delete']
+    serializer_class = NotificationSerializer
+    queryset = Notification.objects.all()
+
+    def get_queryset(self):
+        user = self.request.user
+        key = f'notifications_user:{user.id}'
+        queryset = cache.get(key)
+        if not queryset:
+            queryset = Notification.objects.filter(
+                recipient=user).order_by('-timestamp')
+            cache.set(key, queryset, 60*60)
+        return queryset
+
+    def update(self, request, *args, **kwargs):
+        instance = self.get_object()
+        if instance.recipient != request.user:
+            raise PermissionDenied(
+                "You do not have permission to update this notification.")
+        return super().update(request, *args, **kwargs)
+
+    def destroy(self, request, *args, **kwargs):
+        instance = self.get_object()
+        if instance.recipient != request.user:
+            raise PermissionDenied(
+                "You do not have permission to delete this notification.")
+        return super().destroy(request, *args, **kwargs)