# README

URL Shortener in Go using Gin

Welcome to the URL Shortener service built with Go and the Gin web framework! This project allows users to shorten URLs and retrieve the original URLs using a short identifier.

Installation

Clone the repository:

git clone https://github.com/harsh082ip/URL-Shortener_Go.git
cd URL-Shortener_Go

Install dependencies: Ensure you have Go installed on your machine. Then, run:
```
go mod tidy
```
Set up MongoDB and Redis:
- Install and start MongoDB.
- Install and start Redis.
Environment variables: Create a .env file and add your MongoDB and Redis configurations.
Run the application:
```
go run main.go
```

Usage

Signup: Create a new user account.
Login: Authenticate an existing user.
Shorten URL: Generate a shortened URL.
Redirect: Use the shortened URL to redirect to the original URL.

Features

User authentication (signup and login)
URL shortening
URL redirection
Visit tracking and caching with Redis

API Endpoints

Auth Routes

POST /auth/signup
- Request body:
```
{
    "name": "your name",
    "email": "your email",
    "password": "your password"
}
```
- Response: Status and message indicating the result of the signup.
POST /auth/login
- Request body:
```
{
    "email": "your email",
    "password": "your password"
}
```
- Response: Status, session information, and session ID.

URL Routes

POST /url/shorten?sessionID=YOUR_SESSION_ID
- Request body:
```
{
    "redirecturl": "URL to be shortened",
    "createdby": "user's email"
}
```
- Response: The shortened URL information.

POST /url/customshorten?sessionID=YOUR_SESSION_ID

Request body:

{
    "shortid": "custom short ID",
    "redirecturl": "URL to be shortened",
    "createdby": "user's email"
}

Response: The shortened URL information.

GET /:shortid
- Redirects to the original URL corresponding to the given short ID.

Technologies Used

Gin: A web framework for Go. Used for building the HTTP server and defining routes.
MongoDB: A NoSQL database used for storing user information, URLs, and session data.
Redis: An in-memory data store used for caching and session management.