#51 feat: categorias anidadas en el listado legacy de productos

Issue #51: discriminacion y administracion de categorias de productos.

- Product.to_list() devuelve categorias como objetos
  (id, name, alternative_name, active) en vez de solo nombres

tienda_ilusion/don_confiao/models/products.py

@@ -49,7 +49,15 @@ class Product(models.Model):
                 "price_list": product.price,
                 "uom": product.measuring_unit,
                 "external_id": product.external_id,
-                "categories": [c.name for c in product.categories.all()],
+                "categories": [
+                    {
+                        "id": c.id,
+                        "name": c.name,
+                        "alternative_name": c.alternative_name,
+                        "active": c.active,
+                    }
+                    for c in product.categories.all()
+                ],
             }
             products_list.append(rproduct)
         return products_list

tienda_ilusion/don_confiao/tests/test_product_categories.py

@@ -75,3 +75,28 @@ class TestProductCategorySerializers(TestCase):
                 }
             ],
         )
+
+    def test_product_to_list_incluye_categorias_anidadas(self):
+        category = ProductCategory.objects.create(
+            name="Bebidas", external_id="8", alternative_name="Jugos"
+        )
+        product = Product.objects.create(
+            name="Jugo de naranja",
+            price=2500,
+            measuring_unit="UNIT",
+            external_id="10",
+        )
+        product.categories.add(category)
+
+        data = Product.to_list()
+        self.assertEqual(
+            data[0]["categories"],
+            [
+                {
+                    "id": category.pk,
+                    "name": "Bebidas",
+                    "alternative_name": "Jugos",
+                    "active": True,
+                }
+            ],
+        )