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script.js
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script.js
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let cart = [];
let winQtd = 1;
modalKey = 0;
const q = (el) => document.querySelector(el);
const qsa = (el) => document.querySelectorAll(el);
//map the JSON list - Pizzas
pizzaJson.map((item , index) => {
let pizzaItem = q('.models .pizza-item').cloneNode(true);
pizzaItem.setAttribute('data-key', index);
pizzaItem.querySelector('.pizza-item--img img').src = item.img;
pizzaItem.querySelector('.pizza-item--price').innerHTML = `$ ${item.price.toFixed(2).replace(".",",")}`;
pizzaItem.querySelector('.pizza-item--name').innerHTML = item.name;
pizzaItem.querySelector('.pizza-item--desc').innerHTML = item.description;
pizzaItem.querySelector('a').addEventListener ('click', (ev)=>{
ev.preventDefault();
let key = ev.target.closest ('.pizza-item').getAttribute ('data-key');
winQtd = 1;
modalKey = key;
//fill the items in the modal - q (select) and qsa (select all)
q('.pizzaBig img').src = pizzaJson[key].img;
q('.pizzaInfo h1').innerHTML = pizzaJson[key].name;
q('.pizzaInfo--desc').innerHTML = pizzaJson[key].description;
q('.pizzaInfo--actualPrice').innerHTML = `$ ${pizzaJson[key].price.toFixed(2).replace(".",",")}`;
q('.pizzaInfo--size.selected').classList.remove('selected');
qsa('.pizzaInfo--size').forEach((size, sizeIndex) => {
if (sizeIndex == 2) {
size.classList.add('selected');
}
size.querySelector('span').innerHTML = pizzaJson[key].sizes[sizeIndex];
});
q('.pizzaInfo--qt').innerHTML = winQtd;
//estilos aos itens
q('.pizzaWindowArea').style.opacity = 0;
q('.pizzaWindowArea').style.display = 'flex';
setTimeout (()=>{
q('.pizzaWindowArea').style.opacity = 1;
}, 200); //200 milliseconds, 1/5 of 1 second (1000 milliseconds = 1 second)
});
q('.pizza-area').append (pizzaItem);
})
//modal events
function closeWin() {
q('.pizzaWindowArea').style.opacity = 0;
setTimeout (()=>{
q('.pizzaWindowArea').style.display = 'none';
}, 500);
}
//cancel and return
qsa('.pizzaInfo--cancelButton, .pizzaInfo--cancelMobileButton').forEach ((itemCancel) => {
itemCancel.addEventListener('click', closeWin);
});
//increment and decrement the order quantity
q('.pizzaInfo--qtmenos').addEventListener('click', () => {
if (winQtd > 1) {
winQtd--;
q('.pizzaInfo--qt').innerHTML = winQtd;
};
})
q('.pizzaInfo--qtmais').addEventListener('click', ()=>{
winQtd++;
q('.pizzaInfo--qt').innerHTML = winQtd;
})
//select specific size
qsa('.pizzaInfo--size').forEach((size, sizeIndex) => {
size.addEventListener('click', (elem)=>{
q('.pizzaInfo--size.selected').classList.remove('selected');
size.classList.add('selected');
})
});
//cart
q('.pizzaInfo--addButton').addEventListener('click', () => {
let size = parseInt(q('.pizzaInfo--size.selected').getAttribute('data-key'));
let identif = pizzaJson[modalKey].id+'@'+size;
let key = cart.findIndex((item) => item.identif == identif);
if (key > -1) {
cart[key].qt += winQtd;
} else {
cart.push({
identif,
id:pizzaJson[modalKey].id,
size,
qt:winQtd
});
}
updateCart();
closeWin();
});
//open and close menu-mobile
q('.menu-openner').addEventListener('click', () => {
if(cart.length > 0) {
q('aside').style.left = '0';
}
});
q('.menu-closer').addEventListener('click', () => {
if(cart.length > 0) {
q('aside').style.left = '100vw';
}
});
function updateCart() {
q('.menu-openner span').innerHTML = cart.length;
if (cart.length > 0) {
q('aside').classList.add('show');
q('.cart').innerHTML = '';
let subtotal = 0;
let desconto = 0;
let total = 0;
for(let i in cart) {
let pizzaItem = pizzaJson.find((item)=>item.id == cart[i].id);
subtotal += pizzaItem.price * cart[i].qt;
let cartItem = q('.models .cart--item').cloneNode(true);
let pizzaSizeName;
switch(cart[i].size) {
case 0:
pizzaSizeName = 'SM';
break;
case 1:
pizzaSizeName = 'MD';
break;
case 2:
pizzaSizeName = 'BG';
break;
}
let pizzaName = `${pizzaItem.name} (${pizzaSizeName})`;
cartItem.querySelector('img').src = pizzaItem.img;
cartItem.querySelector('.cart--item-nome').innerHTML = pizzaName;
cartItem.querySelector('.cart--item--qt').innerHTML = cart[i].qt;
cartItem.querySelector('.cart--item-qtmenos').addEventListener('click', () => {
if(cart[i].qt > 1) {
cart[i].qt--;
} else {
cart.splice(i, 1);
}
updateCart();
});
cartItem.querySelector('.cart--item-qtmais').addEventListener('click', () => {
cart[i].qt++;
updateCart();
});
q('.cart').append(cartItem); //adiciona
}
desconto = subtotal * 0.1;
total = subtotal - desconto;
q('.subtotal span:last-child').innerHTML = `$ ${subtotal.toFixed(2).replace(".",",")}`;
q('.desconto span:last-child').innerHTML = `$ ${desconto.toFixed(2).replace(".",",")}`;
q('.total span:last-child').innerHTML = `$ ${total.toFixed(2).replace(".",",")}`;
} else {
q('aside').classList.remove('show');
q('aside').style.left = '100vw';
}
}