From 607965d74952a991f409d347803a38a523ae87c5 Mon Sep 17 00:00:00 2001
From: AlexPL2201 <99511840+AlexPL2201@users.noreply.github.com>
Date: Tue, 8 Mar 2022 14:57:53 +0300
Subject: [PATCH 1/2] Create script.js

---
 Ex_1/script.js | 123 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 Ex_1/script.js

diff --git a/Ex_1/script.js b/Ex_1/script.js
new file mode 100644
index 0000000..b5ea25a
--- /dev/null
+++ b/Ex_1/script.js
@@ -0,0 +1,123 @@
+const myCatalog = {
+  cart,
+  divCatalog: null,
+  products: [{
+    id: '54321',
+    title: "Ноутбук",
+    price: 70000
+  },
+  {
+    id: '12345',
+    title: "Видеокарта",
+    price: 40000
+  },
+  {
+    id: '9876',
+    title: "Процессор",
+    price: 35000
+  }],
+      
+  init() {
+    this.divCatalog = document.getElementById("catalog");
+    this.addProduct();
+    this.addEventHandlers();
+  },
+
+  addProduct() {
+    for (let i = 0; i < this.products.length; i++) {
+      const productTitle = document.createElement('h2');
+      const productPrice = document.createElement('h2');
+      const btnAdd = document.createElement("button");
+
+      productTitle.innerHTML = "Наименование: " + "<i style='color: #858183'>" + this.products[i].title + "</i>";
+      productPrice.innerHTML = "Стоимость: " + "<i style='color: #858183'>" + this.products[i].price + "</i>";
+
+      btnAdd.innerHTML = "<h3>Добавить в корзину</h3>";
+      btnAdd.className = 'btn';
+      btnAdd.setAttribute('data-id', this.products[i].id); 
+
+      const divProduct = document.createElement("div");
+      divProduct.id = i;
+      divProduct.classList.add('product');
+      divProduct.appendChild(productTitle);
+      divProduct.appendChild(productPrice);
+      divProduct.appendChild(btnAdd);
+
+      this.divCatalog.appendChild(divProduct);
+    }
+  },
+
+  addEventHandlers() {
+    this.divCatalog.addEventListener('click', event => this.addToBusket(event));
+  },
+
+  addToBusket(event) {
+    if (!event.target.classList.contains('btn')) return;
+    const productId = event.target.dataset.id;
+    const product = this.products.find(product => product.id == productId);
+    myCart.addToCart(product);
+  }
+};
+
+const myCart = {
+  divCart: null,
+  cart: [],
+
+  init() {
+    addToCart(product);
+  },
+
+  addToCart(product) {
+    const productChecked = this.cart.find(productCheck => productCheck.id == product.id);
+    if (productChecked == undefined) {
+      product.count = 1;
+      this.cart.push(product);
+    } else {
+      product.count += 1;
+    }
+    this.countMe();
+    this.showCart();
+  },
+
+  showCart() {
+    this.divCart = document.getElementById("list");
+    this.divCart.innerText = "";
+    for (let i = 0; i < this.cart.length; i++) {
+      const divCartProduct = document.createElement("div");
+      divCartProduct.classList.add("product" + i, 'product')
+      const productTitle = document.createElement('h2');
+      const productPrice = document.createElement('h2');
+      const productCount = document.createElement('h2');
+
+      productTitle.innerHTML = "Наименование: " + "<i style='color: #858183'>" + this.cart[i].title + "</i>";
+      productPrice.innerHTML = "Стоимость: " + "<i style='color: #858183'>" + this.cart[i].price + "</i>";
+      productCount.innerHTML = "Количество: " + "<i style='color: #858183'>" + this.cart[i].count + "</i>";
+
+      divCartProduct.appendChild(productTitle);
+      divCartProduct.appendChild(productPrice);
+      divCartProduct.appendChild(productCount);
+
+      this.divCart.appendChild(divCartProduct);
+    }
+  },
+
+  countMe() {
+    let res = 0;
+    let len = 0;
+    for (let i = 0; i < this.cart.length; i++) {
+      res += this.cart[i].price * this.cart[i].count;
+      len += this.cart[i].count
+    }
+    const divCounted = document.createElement('div');
+    if (res > 0) {
+      divCounted.innerHTML = "<h2>Выбрано " + "<i style='color: #858183'>" + len + "</i> товара(ов) на сумму: " + "<i style='color: #858183'>" + res +"</i></h2>";
+    } else {
+      divCounted.innerHTML = "<h2>Корзина пуста!</h2>";
+    }
+    divCalculate = document.getElementById("calculate");
+    divCalculate.innerHTML = '';
+    divCalculate.appendChild(divCounted);
+  }
+}
+    
+myCatalog.init()

From 19ac89ac4784e944f1c07eaccc1fc64416f153fa Mon Sep 17 00:00:00 2001
From: AlexPL2201 <99511840+AlexPL2201@users.noreply.github.com>
Date: Tue, 8 Mar 2022 15:00:55 +0300
Subject: [PATCH 2/2] Create index.html

---
 Ex_1/index.html | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Ex_1/index.html

diff --git a/Ex_1/index.html b/Ex_1/index.html
new file mode 100644
index 0000000..ab30401
--- /dev/null
+++ b/Ex_1/index.html
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+    <script src="script.js" defer></script>
+    <style>
+        .product {
+            background-color: #b8b3e380;
+            border: 2px solid #c1b6bd;
+            border-radius: 20px;
+        }
+        .btn {
+            margin-left: 50px;
+            border-radius: 20px;
+        }
+        h2 {
+            margin-left: 50px;
+        }
+    </style>
+</head>
+<body>
+    <div id="catalog" class="products">
+        <h1>Каталог:</h1>
+    </div>
+
+    <div id="cart">
+        <h1>Корзина:</h1>
+        <div id="calculate">
+      
+        </div>
+        <div id="list">
+      
+        </div>
+    </div>
+</body>
+</html>