GitHub API Cache Task – Kotlin Console App

A modular Kotlin console application that interacts with the GitHub REST API to retrieve and cache user data.
Built with Retrofit, custom dependency injection, and microkernel modularity.
Supports efficient querying, in-memory caching, and search by username or repository name.

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🚀 Features

• Console-based interface for GitHub user exploration
• Fetch user info via GitHub REST API
• List cached users with follower/following counts and public repos
• Search by username from cached data
• Search by repository name across cached users
• In-memory caching to avoid redundant API calls
• Retrofit integration for clean API communication
• Custom DI container for lifecycle-safe dependency management
• Microkernel architecture for modular feature injection

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🏗️ Architecture Overview

• Microkernel
  • Microkernel core with plug-in modules for API, cache, and search
• API
  • Retrofit client for GitHub API
  • Error handling and response parsing via Gson
• Database
  • In-memory store for user profiles and repositories
• Controller
  • Console menu with options:
    1. Get user info by username
    2. List cached users
    3. Search cached users by username
    4. Search cached repos by name
    5. Exit

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🛠️ Technologies

• Kotlin
• Retrofit
• Gson
• Custom DI container
• Microkernel modularity
• GitHub REST API