feat: added tests for cart views

web/views.py

@@ -4,7 +4,7 @@ from django.http.response import HttpResponse
 from django.views.decorators.http import require_http_methods
 
 from shop.models import Product, Cart, CartItem
-from web.utils import get_cart
+from web.utils import get_cart, get_or_create_cart
 from web.settings import ANONYMOUS_CART_ID_COOKIE_NAME
 
 
@@ -38,21 +38,20 @@ class ProductDetail(TemplateView):
 )
 def add_cart_item(request, *args, **kwargs):
     product = get_object_or_404(Product, pk=request.POST.get("product"))
+    cart, created = get_or_create_cart(request)
     response = HttpResponse(status=201, headers={'HX-Trigger': 'updated-cart'})
 
-    if not request.user.is_authenticated:
-        cart = Cart.objects.create(
-            user=None,
-        )
-    else:
-        cart, created = Cart.objects.get_or_create(user=request.user)
+    if created and request.user.is_anonymous:
         response.set_cookie(ANONYMOUS_CART_ID_COOKIE_NAME, cart.uuid)
 
+    # Comprobamos si existe una línea de carrito para ese carrito de ese producto
     existing_cart_item = CartItem.objects.filter(cart=cart, product=product).first()
 
+    # Si existe, simplemente le sumamos la cantidad a la línea ya existente
     if existing_cart_item is not None:
         existing_cart_item.quantity += int(request.POST.get("quantity"))
         existing_cart_item.save()
+    # Si no, lo creamos
     else:
         CartItem.objects.create(
             cart=cart,
@@ -69,7 +68,7 @@ def add_cart_item(request, *args, **kwargs):
     ]
 )
 def delete_cart_item(request, pk, *args, **kwargs):
-    cart = get_cart(request)
+    cart = get_or_create_cart(request)
     cart_item = get_object_or_404(CartItem, pk=pk, cart=cart)
     cart_item.delete()
     return HttpResponse(status=204, headers={'HX-Trigger': 'updated-cart'})