{
  "$id": "order_items",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "required": [
    "quantity",
    "price"
  ],
  "properties": {
    "quantity": {
      "type": "integer",
      "minimum": 1
    },
    "price": {
      "type": "number",
      "minimum": 0
    },
    "order": {
      "type": "string",
      "x-relation": {
        "collection": "orders",
        "type": "single"
      }
    },
    "product": {
      "type": "string",
      "x-relation": {
        "collection": "products",
        "type": "single"
      }
    }
  }
}