{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://edoc.hu-berlin.de/schema/item.json",
  "title": "DSpace Item",
  "description": "An item (repository record such as a thesis, dissertation, article, or dataset) in the edoc-Server DSpace repository at Humboldt-Universität zu Berlin.",
  "type": "object",
  "required": ["uuid", "type"],
  "properties": {
    "id": { "type": "string", "format": "uuid" },
    "uuid": { "type": "string", "format": "uuid" },
    "name": { "type": "string" },
    "handle": { "type": "string" },
    "metadata": { "$ref": "#/$defs/metadataMap" },
    "inArchive": { "type": "boolean" },
    "discoverable": { "type": "boolean" },
    "withdrawn": { "type": "boolean" },
    "lastModified": { "type": "string", "format": "date-time" },
    "entityType": { "type": ["string", "null"] },
    "type": { "type": "string", "const": "item" },
    "_links": { "$ref": "#/$defs/links" }
  },
  "$defs": {
    "metadataValue": {
      "type": "object",
      "required": ["value"],
      "properties": {
        "value": { "type": "string" },
        "language": { "type": ["string", "null"] },
        "authority": { "type": ["string", "null"] },
        "confidence": { "type": "integer" },
        "place": { "type": "integer" }
      }
    },
    "metadataMap": {
      "type": "object",
      "additionalProperties": {
        "type": "array",
        "items": { "$ref": "#/$defs/metadataValue" }
      }
    },
    "link": {
      "type": "object",
      "properties": { "href": { "type": "string", "format": "uri" } }
    },
    "links": {
      "type": "object",
      "additionalProperties": { "$ref": "#/$defs/link" }
    }
  }
}