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imphnen-frontend-service/docs/api/hackathon_backoffice_api_contract.md
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Hackathon Backoffice API Contract

GET /api/v1/admin/dashboard

Purpose

Single endpoint delivering aggregated metrics for the IMPHNEN x Kolosal.ai Hackathon dashboard.

Authentication & Authorization

  • Requires admin (backoffice) scope: e.g. role=admin
  • 401 if unauthenticated, 403 if authenticated but lacking required scope.

Examples

GET /api/v1/admin/dashboard

Response Schema

{
  "data": {
    "total_participants": 1261,
    "total_teams": 206,
    "total_submissions": 0 // Total project submitted
  }
}

Field Types

Path Type Notes
data.total_participants integer >= 0
data.total_teams integer >= 0
data.total_submissions integer <= data.total_teams

Errors

Status Code Message Notes
401 unauthorized authentication required Missing/invalid token
403 forbidden insufficient permissions Lacks required scope
429 rate_limited too many dashboard requests Rate limiting
500 internal_error unexpected server error Unhandled exception

GET /api/v1/admin/users

Purpose

Retrieve paginated list of hackathon participants with filtering, searching, and sorting capabilities for backoffice user management.

Authentication & Authorization

  • Requires admin (backoffice) scope: e.g. role=admin
  • 401 if unauthenticated, 403 if authenticated but lacking required scope.

Query Parameters

Parameter Type Required Default Description
page integer No 1 Page number (1-based)
limit integer No 10 Items per page (1-100)
search string No - Search by name or location (case-insensitive)
status string No all Filter by status: all, active, inactive
location string No all Filter by location or all
skills string No - Comma-separated skill filters
sort_by string No created_at Sort field: fullname, location, is_active, created_at
sort_order string No desc Sort order: asc, desc

Examples

GET /api/v1/admin/users
GET /api/v1/admin/users?page=2&limit=10
GET /api/v1/admin/users?search=john&status=active
GET /api/v1/admin/users?location=Jakarta&skills=Frontend Developer,UI/UX Designer
GET /api/v1/admin/users?sort_by=fullname&sort_order=asc

Response Schema

{
  "data": {
    "users": [
      {
        "id": "550e8400-e29b-41d4-a716-446655440000",
        "avatar": "https://example.com/avatars/user1.jpg", // Optional
        "fullname": "Budi Santoso",
        "bio": "Passionate developer with 5+ years experience", // Optional
        "location": "Jakarta",
        "is_active": true,
        "skills": ["Frontend Developer", "UI/UX Designer"], // Optional
        "created_at": "2024-11-15T08:30:00Z",
        "updated_at": "2024-11-30T14:22:00Z"
      }
      // ... more users
    ],
    "pagination": {
      "current_page": 1,
      "total_pages": 15,
      "total_items": 287,
      "items_per_page": 20,
      "has_next": true,
      "has_prev": false
    },
    "filters": {
      "available_locations": ["Jakarta", "Bandung", "Surabaya", "Medan", "Yogyakarta"],
      "available_skills": ["Frontend Developer", "Backend Developer", "Full Stack Developer", "DevOps Engineer", "UI/UX Designer", "Product Manager", "Data Scientist", "Mobile Developer"]
    }
  }
}

Field Types

Path Type Notes
data.users[].id string UUID format
data.users[].avatar string URL, nullable
data.users[].fullname string Required
data.users[].bio string Optional, max 500 chars
data.users[].location string Required, from predefined list
data.users[].is_active boolean Account status
data.users[].skills array Array of skill strings
data.users[].created_at string ISO 8601 timestamp
data.users[].updated_at string ISO 8601 timestamp
data.pagination.* integer Pagination metadata

GET /api/v1/admin/users/{user_id}

Purpose

Retrieve detailed information for a specific user by ID.

Authentication & Authorization

  • Requires admin (backoffice) scope: e.g. role=admin

Path Parameters

Parameter Type Required Description
user_id string Yes User UUID

Examples

GET /api/v1/admin/users/550e8400-e29b-41d4-a716-446655440000

Response Schema

{
  "data": {
    "id": "550e8400-e29b-41d4-a716-446655440000",
    "avatar": "https://example.com/avatars/user1.jpg",
    "fullname": "Budi Santoso",
    "bio": "Passionate developer with 5+ years experience",
    "location": "Jakarta",
    "is_active": true,
    "skills": ["Frontend Developer", "UI/UX Designer"],
    "created_at": "2024-11-15T08:30:00Z",
    "updated_at": "2024-11-30T14:22:00Z"
  }
}

POST /api/v1/admin/users

Purpose

Create a new user account in the hackathon system.

Authentication & Authorization

  • Requires admin (backoffice) scope: e.g. role=admin

Request Body Schema

{
  "fullname": "Jane Doe", // Required, 1-100 chars
  "bio": "Experienced developer", // Optional, max 500 chars
  "location": "Jakarta", // Required, from predefined list
  "is_active": true, // Required, boolean
  "skills": ["Backend Developer"], // Optional, array of valid skills
  "avatar": "https://example.com/images/..." // Optional, URL
}

Examples

POST /api/v1/admin/users
Content-Type: application/json

{
  "fullname": "Jane Doe",
  "bio": "Experienced developer passionate about AI and machine learning",
  "location": "Jakarta",
  "is_active": true,
  "skills": ["Backend Developer", "Data Scientist"],
  "avatar": "https://example.com/images/..."
}

Response Schema

{
  "data": {
    "id": "550e8400-e29b-41d4-a716-446655440001",
    "avatar": "https://example.com/avatars/generated_url.jpg",
    "fullname": "Jane Doe",
    "bio": "Experienced developer passionate about AI and machine learning",
    "location": "Jakarta",
    "is_active": true,
    "skills": ["Backend Developer", "Data Scientist"],
    "created_at": "2024-12-01T10:30:00Z",
    "updated_at": "2024-12-01T10:30:00Z"
  }
}

PUT /api/v1/admin/users/{user_id}

Purpose

Update an existing user's profile information.

Authentication & Authorization

  • Requires admin (backoffice) scope: e.g. role=admin

Path Parameters

Parameter Type Required Description
user_id string Yes User UUID

Request Body Schema

{
  "fullname": "Jane Smith", // Optional, 1-100 chars
  "bio": "Senior developer", // Optional, max 500 chars, null to clear
  "location": "Bandung", // Optional, from predefined list
  "is_active": false, // Optional, boolean
  "skills": ["Full Stack Developer"], // Optional, array of valid skills
  "avatar": "https://example.com/images/..." // Optional, URL, null to remove
}

Examples

PUT /api/v1/admin/users/550e8400-e29b-41d4-a716-446655440000
Content-Type: application/json

{
  "fullname": "Jane Smith",
  "location": "Bandung",
  "is_active": false,
  "skills": ["Full Stack Developer", "Product Manager"]
}

Response Schema

{
  "data": {
    "id": "550e8400-e29b-41d4-a716-446655440000",
    "avatar": "https://example.com/avatars/user1.jpg",
    "fullname": "Jane Smith",
    "bio": "Experienced developer passionate about AI and machine learning",
    "location": "Bandung",
    "is_active": false,
    "skills": ["Full Stack Developer", "Product Manager"],
    "created_at": "2024-11-15T08:30:00Z",
    "updated_at": "2024-12-01T10:45:00Z"
  }
}

DELETE /api/v1/admin/users/{user_id}

Purpose

(Soft) Delete a user account from the hackathon system.

Authentication & Authorization

  • Requires admin (backoffice) scope: e.g. role=admin

Path Parameters

Parameter Type Required Description
user_id string Yes User UUID

Examples

DELETE /api/v1/admin/users/550e8400-e29b-41d4-a716-446655440000

Response Schema

{
  "data": {
    "message": "User successfully deleted",
    "deleted_user_id": "550e8400-e29b-41d4-a716-446655440000",
    "deleted_at": "2024-12-01T10:50:00Z"
  }
}

Common Error Responses

User Management Endpoints

Status Code Message Notes
400 validation_error Invalid request data Field validation failures
401 unauthorized Authentication required Missing/invalid token
403 forbidden Insufficient permissions Lacks required scope
404 user_not_found User not found Invalid user ID
409 user_already_exists User with email already exists Duplicate user creation
413 payload_too_large Avatar file too large Avatar exceeds size limit
422 invalid_skill Invalid skill specified Skill not in allowed list
422 invalid_location Invalid location specified Location not in allowed list
429 rate_limited Too many requests Rate limiting
500 internal_error Unexpected server error Unhandled exception

Validation Error Details

{
  "error": {
    "code": "validation_error",
    "message": "Invalid request data",
    "details": [
      {
        "field": "fullname",
        "code": "required",
        "message": "Full name is required"
      },
      {
        "field": "location",
        "code": "invalid_choice",
        "message": "Location must be one of: Jakarta, Bandung, Surabaya, Medan, Yogyakarta"
      }
    ]
  }
}

Rate Limiting

  • Dashboard: 30 requests / minute / admin user
  • User Management: 100 requests / minute / admin user
  • File Upload: 10 avatar uploads / minute / admin user
  • Return 429 with Retry-After header

Avatar Handling

  • Supported formats: JPEG, PNG, WebP
  • Max file size: 5MB
  • Recommended dimensions: 400x400px
  • Storage: Uploaded avatars are processed and stored with generated URLs
  • URL response: Always return publicly accessible HTTPS URLs

Revision History

  • v1.0.0 (2025-11-30): Initial contract drafted.
  • v2.0.0 (2025-12-01): Added user management endpoints with filtering, pagination, CRUD operations, and avatar handling.
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