exercise-12.js

function countProfit(arr) {
    let listBarang = [['Sepatu Stacattu', 1500000, 10],
    ['Baju Zoro', 500000, 2],
    ['Sweater Uniklooh', 175000, 1]
    ];
    let hasil = []

    if (arr.length === 0) {
        return hasil
    }
    else {
        for (let i = 0; i < listBarang.length; i++) {
            let product = {
                product: listBarang[i][0],
                shoppers: [],
                leftOver: listBarang[i][2],
                totalProfit: 0
            }
            for (let y = 0; y < arr.length; y++) {
                if (arr[y].product === product.product) {
                    if (product.leftOver >= arr[y].amount) {
                        product.shoppers.push(arr[y].name)
                        product.leftOver -= arr[y].amount
                        product.totalProfit += listBarang[i][1] * arr[y].amount
                    }
                }
            }
            hasil.push(product)
        }
    }


    return hasil
}


// TEST CASES
console.log(countProfit([{ name: 'Windi', product: 'Sepatu Stacattu', amount: 2 }, { name: 'Vanessa', product: 'Sepatu Stacattu', amount: 3 }, { name: 'Rani', product: 'Sweater Uniklooh', amount: 2 }]));
//[ { product: 'Sepatu Stacattu',
//   shoppers: [ 'Windi', 'Vanessa' ],
//   leftOver: 5,
//   totalProfit: 7500000 },
// { product: 'Baju Zoro',
//   shoppers: [],
//   leftOver: 2,
//   totalProfit: 0 },
// { product: 'Sweater Uniklooh',
//   shoppers: [],
//   leftOver: 1,
//   totalProfit: 0 } ]

console.log(countProfit([{ name: 'Windi', product: 'Sepatu Stacattu', amount: 8 }, { name: 'Vanessa', product: 'Sepatu Stacattu', amount: 10 }, { name: 'Rani', product: 'Sweater Uniklooh', amount: 1 }, { name: 'Devi', product: 'Baju Zoro', amount: 1 }, { name: 'Lisa', product: 'Baju Zoro', amount: 1 }]));
// [ { product: 'Sepatu Stacattu',
//     shoppers: [ 'Windi' ],
//     leftOver: 2,
//     totalProfit: 12000000 },
//   { product: 'Baju Zoro',
//     shoppers: [ 'Devi', 'Lisa' ],
//     leftOver: 0,
//     totalProfit: 1000000 },
//   { product: 'Sweater Uniklooh',
//     shoppers: [ 'Rani' ],
//     leftOver: 0,
//     totalProfit: 175000 } ]

console.log(countProfit([{ name: 'Windi', product: 'Sepatu Naiki', amount: 5 }]));
// [ { product: 'Sepatu Stacattu',
//     shoppers: [],
//     leftOver: 10,
//     totalProfit: 0 },
//   { product: 'Baju Zoro',
//     shoppers: [],
//     leftOver: 2,
//     totalProfit: 0 },
//   { product: 'Sweater Uniklooh',
//     shoppers: [],
//     leftOver: 1,
//     totalProfit: 0 } ]


console.log(countProfit([])); //[]