Tell us what’s happening:
Ithink that i am finished with this but the return information is wrong because it is
1. {status: " ", change: Array(9)}
1. change: (9) [Array(2), Array(2), Array(2), Array(2), Array(2), Array(2), Array(2), Array(2), Array(2)]
2. status: "CLOSED"
and it should be
{status: "OPEN", change: [["TWENTY", 60], ["TEN", 20], ["FIVE", 15], ["ONE", 1], ["QUARTER", 0.5], ["DIME", 0.2], ["PENNY", 0.04]]}
Your code so far
const REGISTER_STATUS = {
insufficientFunds: 'INSUFFICIENT_FUNDS',
closed: 'CLOSED',
open: 'OPEN'
}
function checkCashRegister(price, cash, cid) {
let cahsRegister = { status: ' ', change: cid };
console.log(cahsRegister);
const changeNeeded = parseFloat(cash - price).toFixed(2);
const changeAvelable = getTotalCashRegisterChange(cid);
cahsRegister.status = getTotalCashRegisterStatus(changeNeeded, changeAvelable);
if (cahsRegister.status === REGISTER_STATUS.insufficientFunds) {
cahsRegister.change = [];
return cahsRegister;
}
if (changeNeeded > getTotalCashRegisterChange(cahsRegister.change)) {
cahsRegister = REGISTER_STATUS.insufficientFunds;
cahsRegister.change = [];
}
cahsRegister.change = getCustomersChange(changeNeeded, cid);
if (cahsRegister.status === REGISTER_STATUS.closed) {
cahsRegister.change = [...cid];
}
return cahsRegister;
}
function getCustomersChange(changeNeeded, changeInDrawer) {
const change = [];
const curencyLegend = {
"PENNY": 0.01,
"NICKEL": 0.05,
"DIME": 0.10,
"QUARTER": 0.25,
"ONE": 1.00,
"FIVE": 5.00,
"TEN": 10.00,
"TWENTY": 20.00,
"ONE HUNDRED": 100.00
};
for (let i = changeInDrawer.length - 1; i >= 0; i--) {
const coinName = changeInDrawer[i][0];
const coinTotal = changeInDrawer[i][1];
const coinValue = curencyLegend[coinName];
let coinAmaunty = (coinTotal / coinValue).toFixed(2);
let coinsToReturn = 0;
while (changeNeeded >= coinValue && coinAmaunty > 0) {
changeNeeded -= coinValue;
changeNeeded = changeNeeded.toFixed(2);
coinAmaunty--;
coinsToReturn++;
}
if (coinsToReturn > 0) {
change.push([coinName, coinsToReturn * coinValue]);
}
}
return change;
}
function getTotalCashRegisterStatus(changeNeeded, changeAvelable) {
if (Number(changeNeeded) > Number(changeAvelable)) {
return REGISTER_STATUS.insufficientFunds;
}
else if (Number(changeNeeded) > Number(changeAvelable)) {
return REGISTER_STATUS.open;
}
return REGISTER_STATUS.closed;
}
function getTotalCashRegisterChange(changeInDrawer) {
let total = 0;
for (let change in changeInDrawer) {
let changeValue = change[1];
total += changeValue;
}
return total.toFixed(2);
}
// Example cash-in-drawer array:
// [["PENNY", 1.01],
// ["NICKEL", 2.05],2
// ["DIME", 3.10],
// ["QUARTER", 4.25],
// ["ONE", 90.00],
// ["FIVE", 55.00],
// ["TEN", 20.00],
// ["TWENTY", 60.00],
// ["ONE HUNDRED", 100.00]]
checkCashRegister(3.26, 100, [["PENNY", 1.01], ["NICKEL", 2.05], ["DIME", 3.1], ["QUARTER", 4.25], ["ONE", 90], ["FIVE", 55], ["TEN", 20], ["TWENTY", 60], ["ONE HUNDRED", 100]])
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Challenge: Cash Register
Link to the challenge: