chore: docs and added new field for tpv domain

web/views/web.py

@@ -1,3 +1,5 @@
+from decimal import Decimal
+
 from django.db.models import Sum
 from django.http.response import HttpResponse, JsonResponse
 from django.shortcuts import get_object_or_404, redirect, reverse
@@ -79,7 +81,7 @@ class CartDetail(TemplateView, CreateView):
         return {
             "cart": cart,
             "items": cart_items,
-            "title": web_settings.web_title,
+            "web_title": web_settings.web_title,
             "description": _("resumen del carrito"),
         }
 
@@ -148,15 +150,21 @@ class OrderDetail(TemplateView):
         items = OrderLine.objects.select_related("product").filter(
             order=order, product__is_shipping_method=False
         )
-        shipping_cost = (
-            OrderLine.objects.select_related("product")
-            .filter(
-                order=order,
-                product__is_shipping_method=True,
-            )
-            .aggregate(amount=Sum("total"))
-            .get("amount")
-        )
+
+        shipping_cost = OrderLine.objects.select_related("product").filter(
+            order=order,
+            product__is_shipping_method=True,
+        ).aggregate(amount=Sum("total")).get("amount") or Decimal("0")
+
+        base_total = OrderLine.objects.select_related("product").filter(
+            order=order,
+            product__is_shipping_method=False,
+        ).aggregate(amount=Sum("base_total")).get("amount") or Decimal("0")
+
+        tax_total = OrderLine.objects.select_related("product").filter(
+            order=order,
+            product__is_shipping_method=False,
+        ).aggregate(amount=Sum("taxes")).get("amount") or Decimal("0")
 
         return {
             "order": order,
@@ -165,9 +173,9 @@ class OrderDetail(TemplateView):
             "merchant_parameters": parameters.get("Ds_MerchantParameters"),
             "signature": parameters.get("Ds_Signature"),
             "redsys_target_url": redsys_client.get_target_url(),
-            "total": order.total,
-            "base_total": order.base_total,
-            "tax_total": order.total - order.base_total,
+            "total": round(order.total, 2),
+            "base_total": round(base_total, 2),
+            "tax_total": round(tax_total, 2),
             "shipping_cost": round(shipping_cost, 2),
         }