more correct openapi json

cmd/cart/openapi.json

@@ -871,6 +871,18 @@
       }
     },
     "schemas": {
+      "Price": {
+        "type": "object",
+        "properties": {
+          "exVat": { "type": "integer", "format": "int64" },
+          "incVat": { "type": "integer", "format": "int64" },
+          "vat": {
+            "type": "object",
+            "additionalProperties": { "type": "integer", "format": "int64" }
+          }
+        },
+        "required": ["exVat", "incVat"]
+      },
       "CartGrain": {
         "type": "object",
         "description": "Cart aggregate (actor state)",
@@ -883,9 +895,9 @@
             "type": "array",
             "items": { "$ref": "#/components/schemas/CartItem" }
           },
-          "totalPrice": { "type": "integer", "format": "int64" },
+          "totalPrice": { "$ref": "#/components/schemas/Price" },
           "totalTax": { "type": "integer", "format": "int64" },
-          "totalDiscount": { "type": "integer", "format": "int64" },
+          "totalDiscount": { "$ref": "#/components/schemas/Price" },
           "deliveries": {
             "type": "array",
             "items": { "$ref": "#/components/schemas/CartDelivery" }
@@ -904,6 +916,7 @@
               "$ref": "#/components/schemas/SubscriptionDetails"
             }
           },
+          "userId": { "type": "string" },
           "confirmationViewCount": { "type": "integer" },
           "confirmationLastViewedAt": {
             "type": "string",
@@ -927,10 +940,10 @@
           "parentId": { "type": "integer" },
           "sku": { "type": "string" },
           "name": { "type": "string" },
-          "price": { "type": "integer", "format": "int64" },
+          "price": { "$ref": "#/components/schemas/Price" },
-          "totalPrice": { "type": "integer", "format": "int64" },
+          "totalPrice": { "$ref": "#/components/schemas/Price" },
           "totalTax": { "type": "integer", "format": "int64" },
-          "orgPrice": { "type": "integer", "format": "int64" },
+          "orgPrice": { "$ref": "#/components/schemas/Price" },
           "stock": {
             "type": "integer",
             "description": "0=OutOfStock,1=LowStock,2=InStock"
@@ -963,7 +976,7 @@
         "properties": {
           "id": { "type": "integer" },
           "provider": { "type": "string" },
-          "price": { "type": "integer", "format": "int64" },
+          "price": { "$ref": "#/components/schemas/Price" },
           "items": {
             "type": "array",
             "items": { "type": "integer" }