{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/iit-delhi/main/json-schema/iit-delhi-site-platform-schemas.json",
  "title": "IIT Delhi Departmental Site Platform — response schemas",
  "description": "Response shapes for the undocumented JSON API behind IIT Delhi's shared departmental site platform. Derived from the probed responses captured in examples/iit-delhi-site-platform-examples.json; IIT Delhi publishes no schema for this surface.",
  "x-operator": "institution",
  "x-provenance": {
    "generated": "2026-08-30",
    "method": "derived",
    "source": [
      "openapi/iit-delhi-site-platform-openapi.yml",
      "examples/iit-delhi-site-platform-examples.json"
    ],
    "note": "Derived from live anonymous responses observed 2026-08-30. Not authored or published by IIT Delhi. Property nullability reflects what was actually observed, not a documented guarantee."
  },
  "$defs": {
    "Contact": {
      "type": "object",
      "title": "Contact",
      "description": "A departmental office directory entry. Observed on the convocation, ird and csc deployments.",
      "properties": {
        "id": { "type": "integer" },
        "title": { "type": "string" },
        "phone": { "type": ["string", "null"] },
        "email": { "type": ["string", "null"], "format": "email" },
        "location": { "type": ["string", "null"] },
        "created_at": { "type": ["string", "null"], "format": "date-time" },
        "updated_at": { "type": ["string", "null"], "format": "date-time" }
      },
      "required": ["id", "title"],
      "additionalProperties": true
    },
    "NewsItem": {
      "type": "object",
      "title": "NewsItem",
      "description": "An announcement published by the Convocation office. `image_path` and `pdf_path` are relative paths resolved against the deployment's /api/ base.",
      "properties": {
        "announcement_id": { "type": "integer" },
        "convocation_id": { "type": ["integer", "null"] },
        "announcement_text": { "type": "string" },
        "announcement_date": { "type": ["string", "null"], "format": "date-time" },
        "image_path": { "type": ["string", "null"] },
        "link": { "type": ["string", "null"] },
        "pdf_path": { "type": ["string", "null"] },
        "created_at": { "type": ["string", "null"], "format": "date-time" },
        "updated_at": { "type": ["string", "null"], "format": "date-time" }
      },
      "required": ["announcement_id", "announcement_text"],
      "additionalProperties": true
    },
    "Circular": {
      "type": "object",
      "title": "Circular",
      "description": "A numbered IRD administrative circular. Property names are capitalised here and lower-cased elsewhere in the same API; the platform serialises database columns verbatim.",
      "properties": {
        "id": { "type": "integer" },
        "Circular": { "type": "string" },
        "Description": { "type": ["string", "null"] },
        "file": { "type": ["string", "null"] },
        "c_date": { "type": ["string", "null"], "format": "date-time" }
      },
      "required": ["id", "Circular"],
      "additionalProperties": true
    },
    "Page": {
      "type": "object",
      "title": "Page",
      "description": "A CMS page record. `page_details` carries raw, unescaped HTML intended for direct rendering.",
      "properties": {
        "id": { "type": "integer" },
        "page_details": { "type": ["string", "null"] }
      },
      "required": ["id"],
      "additionalProperties": true
    },
    "AuthError": {
      "type": "object",
      "title": "AuthError",
      "description": "The 401 body returned to anonymous callers on gated routes. The `debug` object is returned to unauthenticated clients and includes a session identifier.",
      "properties": {
        "success": { "type": "boolean", "const": false },
        "error": { "type": "string" },
        "code": { "type": "string", "examples": ["NOT_AUTHENTICATED"] },
        "debug": {
          "type": "object",
          "properties": {
            "isAuthenticated": { "type": "boolean" },
            "hasUser": { "type": "boolean" },
            "sessionID": { "type": "string" },
            "hasCookie": { "type": "boolean" }
          },
          "additionalProperties": true
        }
      },
      "required": ["success", "error", "code"],
      "additionalProperties": true
    },
    "ServerError": {
      "type": "object",
      "title": "ServerError",
      "description": "Minimal 500 body. Carries no error code, no correlation identifier and no retry guidance.",
      "properties": { "error": { "type": "string" } },
      "required": ["error"],
      "additionalProperties": true
    }
  }
}