dummy
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index.js
247
index.js
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// const express = require("express");
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// const bodyParser = require("body-parser");
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// const app = express();
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// // Middleware to parse JSON
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// app.use(bodyParser.json());
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// // In-memory data store for demonstration
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// let attributesData = {
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// attributes: [],
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// };
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// // CREATE - Add or update attributes
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// app.post("/attributes", (req, res) => {
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// const { attributes } = req.body;
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// if (!attributes || !Array.isArray(attributes)) {
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// return res.status(400).json({ error: "Attributes must be an array" });
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// }
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// for (const attribute of attributes) {
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// if (!attribute.key || !attribute.value) {
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// return res.status(400).json({
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// error: "Each attribute must have a 'key' and 'value'",
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// });
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// }
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// // Check if the attribute already exists; if yes, update it
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// const existingIndex = attributesData.attributes.findIndex(
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// (item) => item.key === attribute.key
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// );
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// if (existingIndex !== -1) {
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// attributesData.attributes[existingIndex].value = attribute.value;
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// } else {
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// // Add new attribute
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// attributesData.attributes.push(attribute);
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// }
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// }
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// res.status(201).json({
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// message: "Attributes updated successfully",
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// attributes: attributesData.attributes,
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// });
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// });
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// // READ - Get all attributes
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// app.get("/attributes", (req, res) => {
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// res.json({
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// message: "Attributes retrieved successfully",
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// attributes: attributesData.attributes,
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// });
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// });
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// // READ - Get a specific attribute by key
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// app.get("/attributes/:key", (req, res) => {
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// const { key } = req.params;
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// const attribute = attributesData.attributes.find(
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// (item) => item.key === key
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// );
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// if (!attribute) {
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// return res.status(404).json({ error: `Attribute with key '${key}' not found` });
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// }
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// res.json({
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// message: "Attribute retrieved successfully",
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// attribute,
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// });
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// });
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// // UPDATE - Update a specific attribute by key
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// app.put("/attributes/:key", (req, res) => {
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// const { key } = req.params;
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// const { value } = req.body;
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// if (!value) {
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// return res.status(400).json({ error: "Value is required to update the attribute" });
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// }
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// const attribute = attributesData.attributes.find(
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// (item) => item.key === key
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// );
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// if (!attribute) {
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// return res.status(404).json({ error: `Attribute with key '${key}' not found` });
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// }
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// // Update the value
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// attribute.value = value;
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// res.json({
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// message: "Attribute updated successfully",
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// attributes: attributesData.attributes,
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// });
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// });
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// // DELETE - Remove a specific attribute by key
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// app.delete("/attributes/:key", (req, res) => {
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// const { key } = req.params;
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// const index = attributesData.attributes.findIndex(
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// (item) => item.key === key
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// );
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// if (index === -1) {
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// return res.status(404).json({ error: `Attribute with key '${key}' not found` });
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// }
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// // Remove the attribute
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// attributesData.attributes.splice(index, 1);
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// res.json({
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// message: "Attribute deleted successfully",
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// attributes: attributesData.attributes,
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// });
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// });
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// // Export app for serverless deployment
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// module.exports = app;
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const express = require("express");
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const bodyParser = require("body-parser");
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const app = express();
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const PORT = 8080;
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// Middleware to parse JSON
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app.use(bodyParser.json());
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// In-memory data store for demonstration
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let attributesData = {
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attributes: [],
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let cartData = {
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cart: {},
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};
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// CREATE - Add or update attributes
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app.post("/attributes", (req, res) => {
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const { attributes } = req.body;
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// CREATE - Add or update cart items
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app.post("/cart", (req, res) => {
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const { cart } = req.body;
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if (!attributes || !Array.isArray(attributes)) {
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return res.status(400).json({ error: "Attributes must be an array" });
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if (!cart || !cart.product || !cart.id) {
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return res.status(400).json({ error: "Product and ID are required" });
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}
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for (const attribute of attributes) {
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if (!attribute.key || !attribute.value) {
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return res.status(400).json({
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error: "Each attribute must have a 'key' and 'value'",
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});
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}
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// Check if the attribute already exists; if yes, update it
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const existingIndex = attributesData.attributes.findIndex(
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(item) => item.key === attribute.key
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);
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if (existingIndex !== -1) {
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attributesData.attributes[existingIndex].value = attribute.value;
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} else {
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// Add new attribute
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attributesData.attributes.push(attribute);
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}
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}
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// Add or update the cart item using the id as the key
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cartData.cart[cart.id] = {
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product: cart.product,
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id: cart.id,
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};
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res.status(201).json({
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message: "Attributes updated successfully",
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attributes: attributesData.attributes,
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message: "Cart updated successfully",
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cart: cartData,
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});
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});
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// READ - Get all attributes
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app.get("/attributes", (req, res) => {
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// READ - Get the entire cart
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app.get("/cart", (req, res) => {
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res.json({
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message: "Attributes retrieved successfully",
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attributes: attributesData.attributes,
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message: "Cart retrieved successfully",
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cart: cartData,
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});
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});
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// READ - Get a specific attribute by key
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app.get("/attributes/:key", (req, res) => {
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const { key } = req.params;
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// READ - Get a specific item in the cart by id
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app.get("/cart/:id", (req, res) => {
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const { id } = req.params;
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const attribute = attributesData.attributes.find(
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(item) => item.key === key
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);
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const item = cartData.cart[id];
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if (!attribute) {
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return res.status(404).json({ error: `Attribute with key '${key}' not found` });
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if (!item) {
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return res.status(404).json({ error: `Item with id '${id}' not found` });
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}
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res.json({
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message: "Attribute retrieved successfully",
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attribute,
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message: "Item retrieved successfully",
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item: { [id]: item },
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});
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});
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// UPDATE - Update a specific attribute by key
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app.put("/attributes/:key", (req, res) => {
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const { key } = req.params;
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const { value } = req.body;
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// UPDATE - Update a specific item in the cart by id
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app.put("/cart/:id", (req, res) => {
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const { id } = req.params;
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const { product } = req.body;
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if (!value) {
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return res.status(400).json({ error: "Value is required to update the attribute" });
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if (!product) {
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return res.status(400).json({ error: "Product is required" });
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}
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const attribute = attributesData.attributes.find(
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(item) => item.key === key
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);
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if (!attribute) {
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return res.status(404).json({ error: `Attribute with key '${key}' not found` });
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if (!cartData.cart[id]) {
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return res.status(404).json({ error: `Item with id '${id}' not found` });
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}
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// Update the value
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attribute.value = value;
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// Update the item
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cartData.cart[id].product = product;
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res.json({
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message: "Attribute updated successfully",
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attributes: attributesData.attributes,
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message: "Item updated successfully",
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cart: cartData,
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});
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});
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// DELETE - Remove a specific attribute by key
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app.delete("/attributes/:key", (req, res) => {
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const { key } = req.params;
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// DELETE - Remove a specific item from the cart by id
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app.delete("/cart/:id", (req, res) => {
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const { id } = req.params;
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const index = attributesData.attributes.findIndex(
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(item) => item.key === key
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);
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if (index === -1) {
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return res.status(404).json({ error: `Attribute with key '${key}' not found` });
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if (!cartData.cart[id]) {
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return res.status(404).json({ error: `Item with id '${id}' not found` });
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}
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// Remove the attribute
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attributesData.attributes.splice(index, 1);
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// Delete the item
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delete cartData.cart[id];
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res.json({
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message: "Attribute deleted successfully",
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attributes: attributesData.attributes,
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message: "Item deleted successfully",
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cart: cartData,
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});
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});
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// Export app for serverless deployment
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module.exports = app;
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// Start the server
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app.listen(PORT, () => {
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console.log(`Server is running on http://localhost:${PORT}`);
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});
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