{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://openprint.art/schemas/edition/v0.1.json",
  "title": "Open Print edition record",
  "type": "object",
  "required": [
    "schemaVersion",
    "id",
    "workId",
    "issuer",
    "availability",
    "license",
    "source",
    "status"
  ],
  "properties": {
    "schemaVersion": {
      "const": "0.1"
    },
    "id": {
      "type": "string"
    },
    "workId": {
      "type": "string"
    },
    "issuer": {
      "type": "object",
      "required": [
        "id",
        "name"
      ]
    },
    "availability": {
      "type": "object",
      "required": [
        "mode"
      ],
      "properties": {
        "mode": {
          "enum": [
            "free",
            "open",
            "paid"
          ]
        },
        "supply": {
          "type": [
            "integer",
            "null"
          ],
          "minimum": 1
        }
      }
    },
    "status": {
      "enum": [
        "draft",
        "active",
        "closed",
        "cancelled",
        "superseded"
      ]
    }
  },
  "additionalProperties": true
}