Description

A Url Shortener that has:

• An endpoint to generate a short URL from an existing URL
• An endpoint that, given the short URL, will redirect to the original URL
• An endpoint that displays the following information (see example):
  • the original URL
  • the short URL
  • the number of times the URL was visited, broken down for each day in the last 3 days

Installation

$ npm install

Running the app

# development
$ npm run start

# watch mode
$ npm run start:dev

Test

# unit tests
$ npm run test

Sample curls

1. Post to generate a long url.

   curl --location --request POST 'http://localhost:3000/url/tinyUrl' \ --header 'Content-Type: application/json' \ --data-raw '{ "longUrl": "https://google4.com" }'

Expected output: { "status": "success", "response": { "longUrl": "https://google4.com", "shortUrl": "xxxxxxx" } }

2. Post for the same long url, same short url is given back

   curl --location --request POST 'http://localhost:3000/url/tinyUrl' \ --header 'Content-Type: application/json' \ --data-raw '{ "longUrl": "https://google4.com" }'

Expected output:

{ "status": "success", "response": { "longUrl": "https://google4.com", "shortUrl": "xxxxxxx" } }

3. Post for a different long url but use a short url this time.

   curl --location --request POST 'http://localhost:3000/url/tinyUrl?shortUrl=HFEMD8I' \ --header 'Content-Type: application/json' \ --data-raw '{ "longUrl": "https://google5.com", "shortUrl": "uwcKR31" }'

Expected output: { "status": "success", "response": { "longUrl": "https://google5.com", "shortUrl": "xxxxxxy" } }`

4. Post for different long url but use same short url this time. curl --location --request POST 'http://localhost:3000/url/tinyUrl?shortUrl=HFEMD8I' \ --header 'Content-Type: application/json' \ --data-raw '{ "longUrl": "https://google6.com", "shortUrl": "uwcKR31" }'

{ "status": "failed", "response": { "details": { "message": "The short url is already taken" } } }

5. Get long url for a short url curl --location --request GET 'http://localhost:3000/url/tinyUrl?shortUrl=uwcKR31' \ --data-raw ''

Expected Output: { "status": "success", "response": { "longUrl": "https://google5.com", "shortUrl": "uwcKR31" } }