I am trying to create a class to find out the branch made the most in revenue.I believe, I need to sum all branch across multiple days and identify which branch had the highest sales overall. But I am kinda lost. Would anyone be able to help me? Thanks for the help
class SalesItem {
constructor(branch, totalSales, date) {
this.branch = branch;
this.totalSales = totalSales;
this.date = date
}
}
function CalculateBestBranch(sales) {
var branchSales = { key: "", value: 0 };
// TODO: order branchSales by value, highest first
// TODO: return the key of the highest value
const highestValue = 0;
return highestValue;
}
class SalesItem {
constructor(branch, totalSales, date) {
this.branch = branch;
this.totalSales = totalSales;
this.date = date;
}
}
const sales = [
new SalesItem('branch-1', 60, '2022-01-26'),
new SalesItem('branch-2', 90, '2022-01-26'),
new SalesItem('branch-1', 20, '2022-01-27'),
new SalesItem('branch-2', 30, '2022-01-27'),
];
function calculateBestBranch(sales) {
const branchSales = [];
sales.forEach((sale) => {
if (!branchSales.find((e) => e.key === sale.branch)) {
branchSales.push({ key: sale.branch, value: sale.totalSales });
} else {
let i = branchSales.findIndex((e) => e.key == sale.branch);
branchSales[i].value += sale.totalSales;
}
});
const sortedBranchSales = branchSales.sort((a, b) => b.value - a.value);
return sortedBranchSales[0];
}
calculateBestBranch(sales); // { key: 'branch-2', value: 120 }