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system.js
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system.js
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const fridgeStorage = new Map();
const fridgeHistory = [];
const products = [
{name: "Tomato", price: 0.30},
{name: "Potato", price: 0.80},
{name: "Onion", price: 0.40},
{name: "Carrot", price: 0.50},
{name: "Celery", price: 1.00},
{name: "Lettuce", price: 1.20},
{name: "Spinach", price: 1.10},
{name: "Cabbage", price: 1.60},
{name: "Beetroot", price: 0.70},
{name: "Turnip", price: 0.60},
{name: "Parsnip", price: 0.90},
{name: "Mushroom", price: 1.40}
];
$("document").ready(function () {
let totalPrice = 0;
localStorage.setItem("fridgeHistory", JSON.stringify(fridgeHistory));
for (let i = 0; i < products.length; i++) {
fridgeStorage.set(products[i].name, 0);
let name = products[i].name;
let price = products[i].price;
if (localStorage.getItem(name) === null) {
localStorage.setItem(name, "0");
}
let amount = parseInt(fridgeStorage.get(name)) + parseInt(localStorage.getItem(name));
updateStorage(name, amount);
let total = price * amount;
totalPrice += total;
$("#products").append(`<option value="${name}">${name}</option>`);
$("#tableStorage").append("<tr><td>" + name + "</td><td>" + amount + "</td>");
}
priceStorage();
$("#totalPrice").append("<p id='price'>" + totalPrice.toFixed(2) + "$" + "</p>");
let content = localStorage.getItem("fridgeHistory");
content = JSON.parse(content);
fridgeHistory.push(...content);
for(let i = 0; i < fridgeHistory.length; i++) {
$("#history tbody").prepend("<tr><td>" + content[i].type + "</td><td>" + content[i].name + "</td><td>" + content[i].item + "</td><td>" + content[i].amount + "</td><td>" + content[i].price.toFixed(2) + "$" + "</td><td>" + content[i].time + "</td></tr>");
}
$("#addItems").click(function () {
let amount = $("#amount").val();
let employee = "Dennis";
let selectedOption = $("#products option:selected").val();
if(amount < 0 || !employee || selectedOption === "0" || amount === "") {
alert("Please fill out everything correctly: Positive amount and employee name");
} else if (amount > 100) {
alert("You can't add more than 100 items at once");
} else {
addToStorage(employee, selectedOption, parseInt(amount));
}
priceStorage();
});
$("#removeItems").click(function () {
let amount = $("#amount").val();
let employee = "Dennis";
let selectedOption = $("#products option:selected").val();
if(amount < 0 || !employee || selectedOption === "0") {
alert("Please fill out everything correctly: Positive amount and employee name");
} else if (amount > parseInt(localStorage.getItem(selectedOption))) {
alert("You can't remove more than you have");
} else {
removeFromStorage(employee, selectedOption, parseInt(amount));
}
priceStorage();
});
});
function priceStorage() {
let totalAmount = 0;
for(let i = 0; i < products.length ; i++) {
let name = products[i].name;
let amount = parseInt(localStorage.getItem(name));
let price = products[i].price;
let total = amount * price;
totalAmount += total;
}
$("#price").replaceWith("<p id='price'>" + totalAmount.toFixed(2) + "$" + "</p>");
}
function dateFinder () {
let date = new Date();
let day = date.getDate();
let month = date.getMonth();
let year = date.getFullYear();
let hour = date.getHours();
let minute = date.getMinutes();
let second = date.getSeconds();
if(second < 10) {
second = "0" + second;
}
if(minute < 10) {
minute = "0" + minute;
}
if(hour < 10) {
hour = "0" + hour;
}
if(day < 10) {
day = "0" + day;
}
if(month < 10) {
month = "0" + month;
}
return day + "/" + month + "/" + year + " " + hour + ":" + minute + ":" + second
}
function updateHistory (id, type, name, item, amount, price, time) {
let content = "<tr><td>" + type + "</td><td>" + name + "</td><td>" + item + "</td><td>" + amount + "</td><td>" + price.toFixed(2) + "$" + "</td><td>" + time + "</td></tr>";
$("#history tbody").prepend(content);
}
function updateStorage (item, totalAmount) {
let color = "";
if (totalAmount < 3) {
color = "red";
} else {
color = "black";
}
let data = $("#storage td:contains(" + item + ")");
data.next().text(totalAmount).css("color", color);
}
function addToStorage (employee, item, amount) {
if (localStorage.getItem(item) === null) {
localStorage.setItem(item, "0");
}
let time = dateFinder();
let price = products.find(product => product.name === item).price * amount;
fridgeHistory.push({
id: fridgeHistory.length + 1,
type: "Add",
name: employee,
item: item,
amount: amount,
price: price,
time: time
});
console.log(fridgeHistory);
localStorage.setItem("fridgeHistory", JSON.stringify(fridgeHistory));
updateHistory(fridgeHistory.length + 1, "Add", employee, item, amount, price, time);
let currentAmount = fridgeStorage.get(item);
console.log(fridgeStorage);
fridgeStorage.set(item, (amount + currentAmount));
let itemAmount = localStorage.getItem(item);
let totalAmount = parseInt(itemAmount) + amount;
localStorage.setItem(item, totalAmount);
updateStorage(item, totalAmount);
}
function removeFromStorage (employee, item, amount) {
let time = dateFinder();
let price = products.find(product => product.name === item).price * amount;
fridgeHistory.push({
id: fridgeHistory.length + 1,
type: "Remove",
name: employee,
item: item,
amount: amount,
price: price,
time: time
});
localStorage.setItem("fridgeHistory", JSON.stringify(fridgeHistory));
updateHistory(fridgeHistory + 1, "Remove", employee, item, amount, price, time)
let currentAmount = fridgeStorage.get(item);
fridgeStorage.set(item, (currentAmount - amount));
let itemAmount = localStorage.getItem(item);
let totalAmount = itemAmount - amount;
localStorage.setItem(item, totalAmount);
updateStorage(item, totalAmount);
}