{
  "$schema": "http://json-schema.org/schema#",
  "$schemaVersion": "0.1.1",
  "modelTags": "",
  "$id": "https://smart-data-models.github.io/dataModel.User/Activity/schema.json",
  "title": "Smart Data Model - User Activity schema",
  "description": "Information on the current activity performed by an anonymized user in a given point in time",
  "type": "object",
  "allOf": [
    {
      "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/GSMA-Commons"
    },
    {
      "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/Location-Commons"
    },
    {
      "properties": {
        "dateActivityStarted": {
          "type": "string",
          "format": "date-time",
          "description": "Property. It must be equal to UserActivity."
        },
        "dateActivityEnded": {
          "type": "string",
          "format": "date-time",
          "description": "Property. Model:'https://schema.org/DateTime'. Activity's end timestamp."
        },
        "refObject": {
          "description": "Relationship. Model:'https://schema.org/URL'. Reference to the object of the action (e.g. Car1). It may be another NGSI Entity or any `Object` identified by an URI.",
          "anyOf": [
            {
              "type": "string",
              "minLength": 1,
              "maxLength": 256,
              "pattern": "^[\\w\\-\\.\\{\\}\\$\\+\\*\\[\\]`|~^@!,:\\\\]+$",
              "description": "Property. Identifier format of any NGSI entity"
            },
            {
              "type": "string",
              "format": "uri",
              "description": "Property. Identifier format of any NGSI entity"
            }
          ]
        },
        "activityType": {
          "type": "string",
          "description": "Property. Model:'https://schema.org/Text'. The action performed (e.g. Drive). Normative References: [https://schema.org/Action](https://schema.org/Action), [https://www.w3.org/TR/activitystreams-vocabulary/#activity-types](https://www.w3.org/TR/activitystreams-vocabulary/#activity-types), [https://health-lifesci.schema.org/PhysicalActivityCategory](https://health-lifesci.schema.org/PhysicalActivityCategory)"
        },
        "refTarget": {
          "anyOf": [
            {
              "type": "string",
              "minLength": 1,
              "maxLength": 256,
              "pattern": "^[\\w\\-\\.\\{\\}\\$\\+\\*\\[\\]`|~^@!,:\\\\]+$",
              "description": "Property. Identifier format of any NGSI entity"
            },
            {
              "type": "string",
              "format": "uri",
              "description": "Property. Identifier format of any NGSI entity"
            }
          ],
          "description": "Relationship. Model:'https://schema.org/URL'. Reference to the target of the action (e.g. Office1)."
        },
        "refAgent": {
          "anyOf": [
            {
              "type": "string",
              "minLength": 1,
              "maxLength": 256,
              "pattern": "^[\\w\\-\\.\\{\\}\\$\\+\\*\\[\\]`|~^@!,:\\\\]+$",
              "description": "Property. Identifier format of any NGSI entity"
            },
            {
              "type": "string",
              "format": "uri",
              "description": "Property. Identifier format of any NGSI entity"
            }
          ],
          "description": "Relationship. Model:'https://schema.org/URL'. Reference to the agent (i.e. a person) performing the activity. It may be another NGSI Entity or any `Agent` identified by an URI."
        },
        "type": {
          "type": "string",
          "enum": [
            "Activity"
          ],
          "description": "Property. NGSI Entity type. It has to be Activity"
        }
      }
    }
  ],
  "required": [
    "type",
    "id"
  ]
}