Code Challenge

Create a micro service to shorten urls like bit.ly or TinyURL do.

Rules

1. The service must expose HTTP endpoints according to the API Docs below.
2. Use your technology of choice, there's no restrictions. Instructions for the installation must be detailed in the INSTALL.md file.
3. Write the tests you consider necessary.

---

API Docs

POST /urls

POST /urls
Content-Type: "application/json"

{
  "url": "http://example.com",
  "code": "example"
}

Params:

• url: URL to shorten. Required
• code: Desired shortcode. Alphanumeric, case-sensitive 6 chars lenght.

Note: If code is not provided, a random code, with the same constraints, must be generated

Response:

201 Created
Content-Type: "application/json"

{
  "code": :shortcode
}

Errors:

• Bad Request: If url is not present
• Conflict: If the the desired shortcode is already in use.
• Unprocessable Entity: If the shortcode doesn't doesn't comply with its description.

GET /:code

GET /:code
Content-Type: "application/json"

Params:

• code: Encoded URL shortcode

Response

It's a redirect response including the target URL in its Location header.

HTTP/1.1 302 Found
Location: http://www.example.com

Errors

• Not Found: If the shortcode cannot be found

GET /:code/stats

GET /:code/stats
Content-Type: "application/json"

Params:

• code: Encoded URL shortcode

Response

200 OK
Content-Type: "application/json"

{
  "created_at": "2012-04-23T18:25:43.511Z",
  "last_usage": "2012-04-23T18:25:43.511Z",
  "usage_count": 1
}

• start_date: ISO8601 formatted date when the shortened URL was created
• usage_count: Number of requests to the endpoint GET /code
• last_usage: Date of the last time the shortened URL was requested. Not included if it has never been requested.

Errors

• Not Found: If the shortcode cannot be found

Delivery Steps:

1. Fork this repo to your own Github account.
2. Implement the functionality, including any instructions to setup and run the application.
3. Submit a PR to the master branch of this repository.

Thank you and good luck!