mirror of
https://github.com/badlogic/heissepreise.git
synced 2024-06-28 11:25:50 +02:00
64 lines
2.0 KiB
JavaScript
64 lines
2.0 KiB
JavaScript
async function load() {
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const response = await fetch("api/index")
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items = await response.json();
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lookup = {};
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for (item of items) {
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lookup[item.id] = item;
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}
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const newCartButton = document.querySelector("#newcart");
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newCartButton.addEventListener("click", () => {
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let name = prompt("Name für Warenkorb eingeben:");
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if (name.length == 0) return;
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for (cart of carts) {
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if (cart.name == name) {
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alert("Warenkorb mit Namen '" + name + "' existiert bereits");
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return;
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}
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}
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addCart(name);
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location.href = "/cart.html?name=" + name;
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});
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showCarts(lookup);
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}
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function showCarts(lookup) {
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const cartsTable = document.querySelector("#carts");
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cartsTable.innerHTML = "";
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cartsTable.appendChild(dom("tr", `
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<th>Name</th>
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<th>Produkte</th>
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<th>Preis</th>
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<th></th>
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`));
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carts.forEach(cart => {
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let oldPrice = 0;
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let currPrice = 0;
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for (cartItem of cart.items) {
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const item = lookup[cartItem.id];
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if (!item) continue;
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oldPrice += item.priceHistory[item.priceHistory.length - 1].price;
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currPrice += item.priceHistory[0].price;
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}
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const increase = Math.round((currPrice - oldPrice) / oldPrice * 100);
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const row = dom("tr", ``);
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row.appendChild(dom("td", `<a href="cart.html?name=${cart.name}">${cart.name}</a>`));
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row.appendChild(dom("td", cart.items.length));
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row.appendChild(dom("td", `<span style="color: ${currPrice > oldPrice ? "red" : "green"}">${currPrice.toFixed(2)}`));
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let deleteButton = dom("input");
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deleteButton.setAttribute("type", "button");
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deleteButton.setAttribute("value", "Löschen");
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row.appendChild(deleteButton);
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cartsTable.appendChild(row);
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deleteButton.addEventListener("click", () => {
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removeCart(cart.name);
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showCarts(lookup);
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});
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});
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}
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load(); |