const menu = {
items: {
item1: {
name: "Pizza",
price: 10,
quantity: 5
},
item2: {
name: "Burger",
price: 8,
quantity: 3
},
item3: {
name: "Salad",
price: 7,
quantity: 4
},
},
accessCode: "password",
addItem: function(name, price, quantity) {
if (price <= 0) {
console.log("Invalid price. Please enter a valid price.");
} else if (name === "") {
console.log("Invalid item name. Please enter a valid item name.");
} else {
let newItem = {
name: name,
price: price,
quantity: quantity
};
this.items[name.toLowerCase()] = newItem;
console.log(name + " has been added to the menu.");
}
},
removeItem: function(name) {
if (this.items[name.toLowerCase()]) {
delete this.items[name.toLowerCase()];
console.log(name + " has been removed from the menu.");
} else {
console.log("Item not found on the menu.");
}
},
checkCode: function(code) {
return code === this.accessCode;
},
placeOrder: function(code, itemName, quantity) {
if (!this.checkCode(code)) {
console.log("Invalid access code.");
return;
}
let item = this.items[itemName.toLowerCase()];
if (!item) {
console.log("Item not found on the menu.");
return;
}
if (item.quantity < quantity) {
console.log("Item quantity not available.");
return;
}
item.quantity -= quantity;
console.log("Order placed successfully. Total cost: " + (item.price * quantity));
}
};
