feat: cart

web/mixins.py

@@ -1,6 +1,9 @@
 from django.conf import settings
 from django.core.paginator import Paginator
 
+from shop.models import Cart
+from web.settings import ANONYMOUS_CART_ID_COOKIE_NAME
+
 
 class FilteredQuerysetMixin:
     queryset = None
@@ -25,3 +28,13 @@ class PaginatedQuerysetMixin:
         page = self.request.GET.get("page", 1)
         qs = paginator.get_page(page)
         return qs
+
+
+class CartMixin:
+    def get_cart(self):
+        if not self.request.user.is_authenticated:
+            uid = self.request.COOKIES.get(ANONYMOUS_CART_ID_COOKIE_NAME)
+            cart = Cart.objects.get(uuid=uid)
+        else:
+            cart = Cart.objects.filter(user=self.request.user).first()
+        return cart