{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/purdue/main/json-schema/purdue-course-schema.json",
  "title": "Course",
  "description": "A Purdue course in the Purdue.io OData course catalog. Derived from the live OData v4 $metadata for the PurdueIo.Database.Models.Course entity type.",
  "type": "object",
  "required": ["Id", "CreditHours"],
  "additionalProperties": false,
  "properties": {
    "Id": {
      "type": "string",
      "format": "uuid",
      "description": "Unique identifier (Edm.Guid)."
    },
    "Number": {
      "type": ["string", "null"],
      "description": "Course number, e.g. 53200."
    },
    "SubjectId": {
      "type": ["string", "null"],
      "format": "uuid",
      "description": "Foreign key to the owning Subject."
    },
    "Title": {
      "type": ["string", "null"],
      "description": "Human-readable course title."
    },
    "CreditHours": {
      "type": "number",
      "description": "Credit hours awarded for the course (Edm.Double)."
    },
    "Description": {
      "type": ["string", "null"],
      "description": "Course catalog description."
    }
  }
}