REST API: Discounted Price

Query an API to retrieve a product’s discounted price based on its barcode.

The API endpoint is: https://jsonmock.hackerrank.com/api/inventory?barcode={barcode}, replace {barcode}. The response contains a data field, which is either:

• An empty array (barcode not found)
• An array with a single object containing the item's record

For a barcode found in the system, calculate the discounted price using:

discountedPrice = price - ((discount / 100) × price)

Round the result to the nearest integer. If the barcode is not found, return -1.

Example barcode = 74001755

Querying https://jsonmock.hackerrank.com/api/inventory?barcode=74001755 returns a data array with this record:

{
  "barcode": "74001755",
  "item": "Ball Gown",
  "category": "Full Body Outfits",
  "price": 785,
  "discount": 7,
  "available": 1
}

discountPrice = 785 - (7/100 * 785) = 730.05 which rounds to 730.

Function Description Complete the getDiscountedPrice function in the editor with the following parameter:

int barcode: the item to query

Returns int: the discounted price rounded to the nearest integer or -1