schema.json

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://stac-extensions.github.io/themes/v1.0.0/schema.json#",
  "title": "Themes Extension",
  "description": "STAC Themes Extension for STAC Catalogs, Collections and Items.",
  "type": "object",
  "required": [
    "stac_extensions"
  ],
  "properties": {
    "stac_extensions": {
      "type": "array",
      "contains": {
        "const": "https://stac-extensions.github.io/themes/v1.0.0/schema.json"
      }
    }
  },
  "oneOf": [
    {
      "$comment": "This is the schema for STAC Items.",
      "type": "object",
      "required": [
        "type",
        "properties"
      ],
      "properties": {
        "type": {
          "const": "Feature"
        },
        "properties": {
          "$ref": "#/definitions/fields"
        }
      }
    },
    {
      "$comment": "This is the schema for STAC Catalogs.",
      "type": "object",
      "required": [
        "type"
      ],
      "properties": {
        "type": {
          "const": "Catalog"
        }
      },
      "allOf": [
        {
          "$ref": "#/definitions/fields"
        }
      ]
    },
    {
      "$comment": "This is the schema for STAC Collections.",
      "type": "object",
      "required": [
        "type"
      ],
      "properties": {
        "type": {
          "const": "Collection"
        }
      },
      "anyOf": [
        {
          "$ref": "#/definitions/fields"
        },
        {
          "$comment": "This is the schema for the fields in Summaries. By default, only checks the existance of the properties, but not the schema of the summaries.",
          "required": [
            "summaries"
          ],
          "properties": {
            "summaries": {
              "required": [
                "themes"
              ]
            }
          }
        }
      ]
    }
  ],
  "definitions": {
    "fields": {
      "type": "object",
      "required": [
        "themes"
      ],
      "properties": {
        "themes": {
          "type": "array",
          "minItems": 1,
          "items": {
            "type": "object",
            "required": [
              "concepts",
              "scheme"
            ],
            "properties": {
              "concepts": {
                "type": "array",
                "minItems": 1,
                "items": {
                  "type": "object",
                  "required": [
                    "id"
                  ],
                  "properties": {
                    "id": {
                      "type": "string",
                      "minLength": 1
                    },
                    "title": {
                      "type": "string",
                      "minLength": 1
                    },
                    "description": {
                      "type": "string",
                      "minLength": 1
                    },
                    "url": {
                      "type": "string",
                      "format": "uri"
                    }
                  }
                }
              },
              "scheme": {
                "type": "string",
                "minLength": 1
              }
            }
          }
        }
      }
    }
  }
}