Aula 1

README.md

@@ -1,11 +1,5 @@
-<h2>Material referente as entregas dos desafios no curso de Back-End na Coderhouse Brasil</h2>
-
+<h1>Descrição:</h1>
 <hr>
-
-<h3> Aulas com entrega:</h3>
-<ul>
-<li>Aula 2 ( Classes com ECMAScript e ECMAScript avançado )</li>
-
-</ul>
-
-<span>Acesse as aulas pelas branches</span>
+<div>
+<p>05/12/2024 Desafio ( Classes com ECMAScript e ECMAScript avançado ) da Aula 2 ( Princípios básicos de Javascript e novos recursos ECMAScript ) do curso de Back-end na CoderHouse; Turma #63515 de 2024/25.</p>
+</div>

package.json

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+{
+  "name": "cursocoderhousebackend",
+  "version": "1.0.0",
+  "description": "aula 1 de back end",
+  "main": "productManager.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "Gustavo Rezende",
+  "license": "ISC"
+}

src/assets/productManager.js

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+class ProductManager {
+    constructor() {
+      this.products = [];
+      this.currentId = 1;
+    }
+
+    addProduct({ title, description, price, thumbnail, code, stock }) {
+      // Verification
+      if (!title || !description || !price || !thumbnail || !code || !stock) {
+        console.error("Error: All field are required.");
+        return;
+      }
+
+      // Verification 
+      if (this.products.some((product) => product.code === code)) {
+        console.error(`Error: The code "${code}" already in use.`);
+        return;
+      }
+
+      // Create
+      const newProduct = {
+        id: this.currentId++,
+        title,
+        description,
+        price,
+        thumbnail,
+        code,
+        stock,
+      };
+
+      // Add List
+      this.products.push(newProduct);
+      console.log(`Product "${title}" added successfully.`);
+    }
+
+    getProductById(id) {
+      const product = this.products.find((product) => product.id === id);
+      if (!product) {
+        console.error("Error: Product not found.");
+        return;
+      }
+      return product;
+    }
+  }
+
+  // Test
+  const manager = new ProductManager();
+
+  // Add product
+  manager.addProduct({
+    title: "Product 1",
+    description: "Product description 1",
+    price: 100,
+    thumbnail: "product1.jpg",
+    code: "P001",
+    stock: 10,
+  });
+
+  manager.addProduct({
+    title: "Product 2",
+    description: "Product description 2",
+    price: 150,
+    thumbnail: "product2.jpg",
+    code: "P002",
+    stock: 5,
+  });
+
+  // Try to add product with repeated code
+  manager.addProduct({
+    title: "Product 3",
+    description: "Product description 3",
+    price: 200,
+    thumbnail: "product3.jpg",
+    code: "P001",
+    stock: 8,
+  });
+
+  // Search product by ID
+  console.log(manager.getProductById(1)); // Should return Product 1
+  console.log(manager.getProductById(3)); // Should return "Error: Product not found"
+

src/index.js

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+// 404