feat: cart detail leads to order creation

web/views/web.py

@@ -1,10 +1,19 @@
 from django.http.response import HttpResponse, JsonResponse
-from django.shortcuts import get_object_or_404
+from django.shortcuts import get_object_or_404, redirect, reverse
 from django.utils.text import gettext_lazy as _
 from django.views.decorators.http import require_http_methods
-from django.views.generic import TemplateView
+from django.views.generic import TemplateView, CreateView
 
-from shop.models import CartItem, Product, ProductCategory, WishlistedProduct
+from shop.models import (
+    CartItem,
+    Product,
+    ProductCategory,
+    WishlistedProduct,
+    CustomerAddress,
+    ShippingMethod,
+)
+from shop.utils import create_order_from_cart
+from web.forms import CreateOrderForm
 from web.models import WebSettings
 from web.settings import ANONYMOUS_CART_ID_COOKIE_NAME
 from web.utils import get_or_create_cart
@@ -55,8 +64,9 @@ class ProductDetail(TemplateView):
         }
 
 
-class CartDetail(TemplateView):
+class CartDetail(TemplateView, CreateView):
     template_name = "web/cart_detail.html"
+    form_class = CreateOrderForm
 
     def get_context_data(self, **kwargs):
         web_settings = WebSettings.load()
@@ -70,6 +80,33 @@ class CartDetail(TemplateView):
             "description": _("resumen del carrito"),
         }
 
+    def post(self, request, *args, **kwargs):
+        form = CreateOrderForm(request.POST)
+
+        if not form.is_valid():
+            context = self.get_context_data(**kwargs)
+            context.update({"errors": form.errors})
+            return self.render_to_response(context)
+
+        billing_address_id = form.cleaned_data.get("billing_address")
+        shipping_address_id = form.cleaned_data.get("shipping_address")
+        shipping_method_id = form.cleaned_data.get("shipping_method")
+
+        cart, created = get_or_create_cart(request)
+
+        billing_address = get_object_or_404(CustomerAddress, pk=billing_address_id)
+        shipping_address = get_object_or_404(CustomerAddress, pk=shipping_address_id)
+        shipping_method = get_object_or_404(ShippingMethod, pk=shipping_method_id)
+
+        order = create_order_from_cart(
+            cart=cart,
+            billing_address=billing_address,
+            shipping_address=shipping_address,
+            shipping_method=shipping_method,
+        )
+
+        return redirect(reverse("web:order", kwargs={"pk": order.pk}))
+
 
 class WishlistView(TemplateView):
     template_name = "web/wishlist.html"