URL-Shortener-on-Go

1. Features:

• API: Quick link shortening via JSON POST requests.

• Web UI: Modern user interface (HTML/JS).

• Console UI: Management and statistics directly in the terminal (stat, top commands).

• Validation: Link verification for correctness and prevention of self-citation.

• Statistics: Tracking clicks, IP addresses, and visitor User-Agents.

2. Technical details:

• Go: Clean code without heavy external frameworks.

• Concurrent Storage: Thread-safe storage in RAM (In-Memory).

• Vite/Vanilla JS: For frontend (static folder).

3. Console:

• stat — general statistics.

• top 5 — top 5 popular links.

• just paste the URL — shortens the link directly in the console.

4. Project structure:

• main_block/ — entry point (main.go).

• internal/api/ — HTTP server logic and handlers.

• internal/storage/ — data storage logic and click counter.

• internal/console/ — interactive console interface.

• internal/utils/ — code generation and URL validation.

• static/ — frontend files (HTML, CSS, JS).