Add catalog sale purchase summary endpoint

- Add CatalogSaleSummarySerializer and CatalogSummarySaleLineSerializer
- Add CatalogSaleSummary API view for GET requests
- Register endpoint at /don_confiao/resumen_compra_catalogo_json/<id>
- Add comprehensive test for catalog sale summary
- Include nested customer and product details in response
- Endpoint returns id, date, customer, and lines with products

tienda_ilusion/don_confiao/api/__init__.py

@@ -4,6 +4,7 @@ from .sales import (
     SaleView,
     CatalogSaleView,
     SaleSummary,
+    CatalogSaleSummary,
     SalesForTrytonView,
     SalesToTrytonView,
 )
@@ -27,6 +28,7 @@ __all__ = [
     "SaleView",
     "CatalogSaleView",
     "SaleSummary",
+    "CatalogSaleSummary",
     "SalesForTrytonView",
     "SalesToTrytonView",
     # Payments

tienda_ilusion/don_confiao/api/sales.py

@@ -12,6 +12,7 @@ from ..serializers import (
     SaleSerializer,
     CatalogSaleSerializer,
     SaleSummarySerializer,
+    CatalogSaleSummarySerializer,
 )
 from ..permissions import IsAdministrator
 from ..services.tryton.sales import SaleTrytonService
@@ -66,6 +67,13 @@ class SaleSummary(APIView):
         return Response(serializer.data)
 
 
+class CatalogSaleSummary(APIView):
+    def get(self, request, id):
+        catalog_sale = CatalogSale.objects.get(pk=id)
+        serializer = CatalogSaleSummarySerializer(catalog_sale)
+        return Response(serializer.data)
+
+
 class SalesForTrytonView(APIView):
     permission_classes = [IsAuthenticated, IsAdministrator]
 

tienda_ilusion/don_confiao/serializers/__init__.py

@@ -7,6 +7,8 @@ from .sales import (
     CatalogSaleLineSerializer,
     SummarySaleLineSerializer,
     SaleSummarySerializer,
+    CatalogSummarySaleLineSerializer,
+    CatalogSaleSummarySerializer,
     SaleForRenconciliationSerializer,
 )
 from .payments import (
@@ -28,6 +30,8 @@ __all__ = [
     "CatalogSaleLineSerializer",
     "SummarySaleLineSerializer",
     "SaleSummarySerializer",
+    "CatalogSummarySaleLineSerializer",
+    "CatalogSaleSummarySerializer",
     "SaleForRenconciliationSerializer",
     # Payments
     "ReconciliationJarSerializer",

tienda_ilusion/don_confiao/serializers/sales.py

@@ -87,6 +87,23 @@ class SaleSummarySerializer(serializers.ModelSerializer):
         fields = ["id", "date", "customer", "payment_method", "lines"]
 
 
+class CatalogSummarySaleLineSerializer(serializers.ModelSerializer):
+    product = ListProductSerializer()
+
+    class Meta:
+        model = CatalogSaleLine
+        fields = ["product", "quantity", "unit_price", "description"]
+
+
+class CatalogSaleSummarySerializer(serializers.ModelSerializer):
+    customer = ListCustomerSerializer()
+    lines = CatalogSummarySaleLineSerializer(many=True, source="catalogsaleline_set")
+
+    class Meta:
+        model = CatalogSale
+        fields = ["id", "date", "customer", "lines"]
+
+
 class SaleForRenconciliationSerializer(serializers.Serializer):
     id = serializers.IntegerField()
     date = serializers.DateTimeField()

tienda_ilusion/don_confiao/tests/test_api.py

@@ -86,6 +86,49 @@ class TestAPI(APITestCase, LoginMixin):
         self.assertIn("csv", json_response)
         self.assertGreater(len(json_response["csv"]), 0)
 
+    def test_catalog_sale_summary(self):
+        # Create a catalog sale
+        response = self._create_catalog_sale()
+        content = json.loads(response.content.decode("utf-8"))
+        catalog_sale_id = content["id"]
+
+        # Get the summary
+        url = f"/don_confiao/resumen_compra_catalogo_json/{catalog_sale_id}"
+        response = self.client.get(url)
+
+        # Verify response
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        json_response = json.loads(response.content.decode("utf-8"))
+
+        # Verify structure
+        self.assertIn("id", json_response)
+        self.assertIn("date", json_response)
+        self.assertIn("customer", json_response)
+        self.assertIn("lines", json_response)
+
+        # Verify customer details
+        self.assertEqual(json_response["customer"]["id"], self.customer.id)
+        self.assertEqual(json_response["customer"]["name"], self.customer.name)
+
+        # Verify lines
+        self.assertEqual(len(json_response["lines"]), 2)
+
+        # Verify first line
+        line1 = json_response["lines"][0]
+        self.assertIn("product", line1)
+        self.assertIn("quantity", line1)
+        self.assertIn("unit_price", line1)
+        self.assertEqual(line1["product"]["id"], self.product.id)
+        self.assertEqual(line1["product"]["name"], self.product.name)
+        self.assertEqual(line1["quantity"], "2.00")
+        self.assertEqual(line1["unit_price"], "3000.00")
+
+        # Verify second line
+        line2 = json_response["lines"][1]
+        self.assertEqual(line2["product"]["id"], self.product.id)
+        self.assertEqual(line2["quantity"], "3.00")
+        self.assertEqual(line2["unit_price"], "5000.00")
+
     def test_csv_structure_in_sales_for_tryton(self):
         url = "/don_confiao/api/sales/for_tryton"
         self._create_sale()

tienda_ilusion/don_confiao/urls.py

@@ -13,6 +13,7 @@ from .api import (
     SaleView,
     CatalogSaleView,
     SaleSummary,
+    CatalogSaleSummary,
     SalesForTrytonView,
     SalesToTrytonView,
     # Payments
@@ -44,6 +45,11 @@ urlpatterns = [
         SaleSummary.as_view(),
         name="purchase_json_summary",
     ),
+    path(
+        "resumen_compra_catalogo_json/<int:id>",
+        CatalogSaleSummary.as_view(),
+        name="catalog_purchase_json_summary",
+    ),
     path(
         "payment_methods/all/select_format",
         PaymentMethodView.as_view(),