REST API: Discounted Price

Given a barcode, query the API at https://jsonmock.hackerrank.com/api/inventory?barcode=barcode and return the item's discounted price. The response is a JSON object with 5 fields. The essential field is data: data: Either an empty array or an array with a single object that contains the item's record. In the data array, the item has the following schema: barcode: the barcode for the product (String) price: the gross selling price (Number) discount: the discount percent to apply (Number). Some fields that are not of interest. page, per_page, total, total_pages, etc. are not required for this task. If the barcode is found, the data array contains exactly 1 element. If not, it is empty and the function should return '-1'. Use the "discount" and the "price" properties to calculate the discounted price rounded to the nearest integer. discountedPrice = price - ((discount / 100) * price) Function Description Complete the function getDiscountedPrice in the editor. getDiscountedPrice has the following parameters:

• string barcode: the item to query Returns int: the discounted price rounded to the nearest integer or -1 Constraints
• There will be either 1 or 0 records in data.

Constraints

There will be either 1 or 0 records in data

Example 1

Input:

barcode = "74002314"

Output:

2964

Explanation: First, a call is made to API https://jsonmock.hackerrank.com/api/inventory?barcode=74002314. The price = 3705 and discount = 20.