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app.js
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app.js
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let client = contentful.createClient({
space: 'yt5ymt0en5v1',
accessToken: '1lbKdZOnWzZP1GIS5LC_9bWWDb5tgNShjnxSsPeq86s'
})
console.log(client);
//variables
const cartBtn = document.querySelector(".cart-btn");
const closeCartBtn = document.querySelector(".close-cart");
const clearCartBtn = document.querySelector(".clear-cart");
const cartDOM = document.querySelector(".cart");
const cartOverlay = document.querySelector(".cart-overlay");
const cartItems = document.querySelector(".cart-items");
const cartTotal = document.querySelector(".cart-total");
const cartContent = document.querySelector(".cart-content");
const productsDOM = document.querySelector(".products-center");
//cart
let cart = [];
//buttons
let buttonsDOM = [];
//---- Classes and methods
//getting the products
class Products {
async getProducts() {
try {
//contentful data
let contentful = await client.getEntries({
content_type: "comfyHouseProducts"
});
console.log(contentful);
//local data
let result = await fetch('products.json');
let data = await result.json();
//console.log(data);
//local data
//let products = data.items;
//cloud data
let products = contentful.items;
products = products.map((item) => {
const { title, price } = item.fields;
const { id } = item.sys;
const image = item.fields.image.fields.file.url;
return { title, price, id, image };
});
return products;
} catch (error) {
console.log(error);
}
}
}
//display products
class UI {
displayProducts(products) {
//console.log(products);
let result = "";
products.forEach(product => {
result += `<!-- single product -->
<article class="product">
<div class="img-container">
<img src="${product.image}" alt="Product 1" class="product-img">
<button class="bag-btn" data-id="${product.id}">
<i class="fas fa-shopping-cart"></i>
add to cart
</button>
</div>
<h3>${product.title}</h3>
<h4>$${product.price}</h4>
</article>
<!-- end of single product -->`
})
productsDOM.innerHTML = result;
}
getBagButtons() {
//spread operator to create array
const buttons = [...document.querySelectorAll(".bag-btn")];
//console.log(buttons);
buttonsDOM = buttons;
buttons.forEach(button => {
let id = button.dataset.id;
//check if item is already in the cart array
let inCart = cart.find(item => item.id === id);
//change button text based on cart status
if (inCart) {
button.innerHTML = "In Cart";
button.disabled = true;
}
button.addEventListener("click", event => {
event.target.innerHTML = "In Cart";
event.target.disabled = true;
//get product from products
let cartItem = Storage.getProduct(id);
//console.log(cartItem);
cartItem = { ...Storage.getProduct(id), amount: 1 };
//console.log(cartItem);
//add cartItem to cart
cart = [...cart, cartItem];
//console.log(cart);
//save cart in local storage
Storage.saveCart(cart);
//set cart values
this.setCartValues(cart);
//display cart item
this.addCartItem(cartItem);
//show cart
this.showCart();
});
})
}
setCartValues(cart) {
let tempTotal = 0;
let itemsTotal = 0;
cart.map(item => {
tempTotal += item.price * item.amount;
itemsTotal += item.amount;
});
cartTotal.innerHTML = parseFloat(tempTotal.toFixed(2));
cartItems.innerHTML = itemsTotal;
//console.log(cartTotal, cartItems);
}
addCartItem(item) {
const div = document.createElement('div');
div.classList.add('cart-item');
div.innerHTML =
`<img src="${item.image}" alt="product 1">
<div>
<h4>${item.title}</h4>
<h5>$${item.price}</h5>
<span class="remove-item" data-id=${item.id}>remove</span>
</div>
<div>
<i class="fas fa-chevron-up" data-id=${item.id}></i>
<p class="item-amount">${item.amount}</p>
<i class="fas fa-chevron-down" data-id=${item.id}></i>
</div>`;
cartContent.appendChild(div);
//console.log(cartContent);
}
showCart() {
cartOverlay.classList.add('transparentBcg');
cartDOM.classList.add('showCart');
}
setupAPP() {
//check if local storage has products
cart = Storage.getCart();
this.setCartValues(cart);
this.populateCart(cart);
cartBtn.addEventListener('click', this.showCart);
closeCartBtn.addEventListener('click', this.hideCart);
}
populateCart(cart) {
cart.forEach(item => this.addCartItem(item));
}
hideCart() {
cartOverlay.classList.remove('transparentBcg');
cartDOM.classList.remove('showCart');
}
cartLogic() {
//IMP - points to the button
//clearCartBtn.addEventListener('click', this.clearCart);
//points to the class
clearCartBtn.addEventListener('click', () => {
this.clearCart();
})
//Cart functionality
cartContent.addEventListener('click', (event) => {
if (event.target.classList.contains("remove-item")) {
let removeItem = event.target;
let id = removeItem.dataset.id;
//remove from DOM
cartContent.removeChild(removeItem.parentElement.parentElement);
//remove from local storage
this.removeItem(id);
} else if (event.target.classList.contains("fa-chevron-up")) {
let addAmount = event.target;
let id = addAmount.dataset.id;
let tempItem = cart.find(item => item.id === id);
tempItem.amount = tempItem.amount + 1;
Storage.saveCart(cart);
this.setCartValues(cart);
addAmount.nextElementSibling.innerText = tempItem.amount;
} else if (event.target.classList.contains("fa-chevron-down")) {
let lowerAmount = event.target;
let id = lowerAmount.dataset.id;
let tempItem = cart.find(item => item.id === id);
tempItem.amount = tempItem.amount - 1;
if (tempItem.amount > 0) {
Storage.saveCart(cart);
this.setCartValues(cart);
lowerAmount.previousElementSibling.innerText = tempItem.amount;
} else {
cartContent.removeChild(lowerAmount.parentElement.parentElement);
this.removeItem(id);
}
}
});
}
clearCart() {
let cartItems = cart.map(item => item.id);
cartItems.forEach(id => this.removeItem(id));
console.log(cartContent.children);
while (cartContent.children.length > 0) {
cartContent.removeChild(cartContent.children[0]);
}
this.hideCart();
}
removeItem(id) {
cart = cart.filter(item => item.id !== id);
this.setCartValues(cart);
Storage.saveCart(cart);
let button = this.getSingleButton(id);
button.disabled = false;
button.innerHTML = ` <i class="fas fa-shopping-cart"></i>add to cart`;
}
getSingleButton(id) {
return buttonsDOM.find(button => button.dataset.id === id);
}
}
//local storage
class Storage {
static saveProducts(products) {
localStorage.setItem("products", JSON.stringify(products));
}
static getProduct(id) {
let products = JSON.parse(localStorage.getItem("products"));
return products.find(product => product.id === id);
}
static saveCart(cart) {
localStorage.setItem("cart", JSON.stringify(cart));
}
static getCart() {
return localStorage.getItem("cart") ? JSON.parse(localStorage.getItem("cart")) : [];
}
}
//----- Global Event listener
document.addEventListener("DOMContentLoaded", () => {
const ui = new UI();
const products = new Products();
//setup app
ui.setupAPP();
//get all products & show on the screen
products.getProducts().then(products => {
//display products
ui.displayProducts(products)
//store products locally
Storage.saveProducts(products);
}).then(() => {
ui.getBagButtons();
ui.cartLogic();
});
});