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CodeHack Application

Description

CodeHack is an application that manages user accounts for a coding contest. It provides endpoints to register new users, retrieve user details, update user scores, and delete users from the contest.

Technology Stack

• Java: Programming language used for backend development.
• Spring Boot: Framework for building Java-based applications.
• Spring MVC: Framework for building web applications in Java.
• JUnit 5: Testing framework for writing unit tests in Java.
• Mockito: Mocking framework for unit tests in Java.

Endpoints

• GET /users: Retrieve a list of all registered users.
• GET /users/{userId}: Retrieve the details of a specific user.
• POST /users: Register a new user to the contest.
• PUT /users/{userId}: Update the score of a specific user.
• DELETE /users/{userId}: Deregister a specific user from the contest.

Usage

Register a new user

POST /users
Content-Type: application/json

{
    "userId": "123",
    "username": "user123",
    "score": 80
}

Retrieve all users

GET /users

Retrieve a specific user

GET /users/{userId}

Update a user's score

PUT /users/{userId}
Content-Type: application/json

{
    "userId": "123",
    "score": 90
}

Delete a user

DELETE /users/{userId}

Response Codes

• 200 OK: Successful request.
• 201 Created: User successfully registered.
• 400 Bad Request: Invalid request data.
• 404 Not Found: User not found.

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