1{
2  "$schema": "http://json-schema.org/draft-07/schema#",
3  "title": "InventoryUnavailable",
4  "description": "Published when stock could not be reserved for an order",
5  "type": "object",
6  "properties": {
7    "orderId": { "type": "string", "format": "uuid" },
8    "cartId": { "type": "string", "format": "uuid" },
9    "unavailableItems": {
10      "type": "array",
11      "items": {
12        "type": "object",
13        "properties": {
14          "productId": { "type": "string", "format": "uuid" },
15          "requested": { "type": "integer", "minimum": 1 },
16          "available": { "type": "integer", "minimum": 0 }
17        },
18        "required": ["productId", "requested", "available"]
19      }
20    },
21    "checkedAt": { "type": "string", "format": "date-time" }
22  },
23  "required": ["unavailableItems", "checkedAt"]
24}
25