Finest Food Outlets Using Http Module In NodeJS

finestFoodOutletsWithHttp.js

const https = require('https');

const finestFoodOutlet = async (city, votes) => {
    const myUrl = 'https://jsonmock.hackerrank.com/api/food_outlets?page=';
    let pageNum = 1;

    // construct http GET request
    const httpGet = (url) => {
        return new Promise((resolve, reject) => {
            https
                .get(url, (res) => {
                    res.setEncoding('utf8');
                    let body = '';
                    res.on('data', (chunk) => (body += chunk));
                    res.on('end', () => resolve(body));
                })
                .on('error', reject);
        });
    };

    const getTheData = async (_city, _votes) => {
        // get the total number of pages
        const responseJson = await httpGet(myUrl + 1);
        const responseParsed = JSON.parse(responseJson);
        const totalPages = responseParsed.total_pages;

        // collect data from each page
        let allPages = [];
        for (pageNum; pageNum <= totalPages; pageNum++) {
            const resp = await httpGet(myUrl + pageNum);
            for (let i = 0; i < 10; i++) {
                allPages.push(JSON.parse(resp).data[i]);
            }
        }
        return allPages;
    };

    getTheData(city, votes).then((allResults) => {
        // filter results based on min number of votes
        const filteredResults = allResults.filter(
            (item) => item.city === city && item.user_rating.votes >= votes
        );

        // sort results by rating, descending
        const sortedResults = filteredResults.sort((a, b) => {
            if (a.user_rating.average_rating < b.user_rating.average_rating)
                return 1;
            else if (
                a.user_rating.average_rating > b.user_rating.average_rating
            )
                return -1;
            else {
                if (a.user_rating.votes < b.user_rating.votes) return 1;
                else if (a.user_rating.votes > b.user_rating.votes) return -1;
                else return 0;
            }
        });
        console.log('sortedResults: ', sortedResults);

        // get winning restaurant name
        const winningRestaurant = sortedResults[0].name;
        console.log('Winning Restaurant: ', winningRestaurant);
        return winningRestaurant;
    });
};

// call the function
finestFoodOutlet('Miami', 9000)