Refactor app.js and inventory.js for improved code structure and readability; add .jshintrc for linting configuration

Author: baamrane

.jshintrc

@@ -0,0 +1,6 @@
+{
+  "esversion": 6,
+  "node": true,
+  "undef": true,
+  "unused": true
+}

server/database/app.js

@@ -1,145 +1,3 @@
-// const express = require('express');
-// const mongoose = require('mongoose');
-// const fs = require('fs');
-// const cors = require('cors');
-// const bodyParser = require('body-parser');
-
-// const app = express();
-// const port = 3030;
-
-// app.use(cors());
-// app.use(bodyParser.urlencoded({ extended: false }));
-// app.use(bodyParser.json());
-
-// // ✅ JSON files are in ./data
-// const reviews_data = JSON.parse(fs.readFileSync("data/reviews.json", "utf8"));
-// const dealerships_data = JSON.parse(fs.readFileSync("data/dealerships.json", "utf8"));
-
-// mongoose.connect("mongodb://mongo_db:27017/", { dbName: "dealershipsDB" });
-
-// const Reviews = require('./review');
-// const Dealerships = require('./dealership');
-
-// // Seed DB (best-effort, no res here)
-// (async () => {
-//   try {
-//     await Reviews.deleteMany({});
-//     await Reviews.insertMany(reviews_data["reviews"]);
-
-//     await Dealerships.deleteMany({});
-//     await Dealerships.insertMany(dealerships_data["dealerships"]);
-
-//     console.log("✅ Database seeded");
-//   } catch (error) {
-//     console.error("❌ Error seeding database", error);
-//   }
-// })();
-
-// // Express route to home
-// app.get('/', async (req, res) => {
-//   res.send("Welcome to the Mongoose API");
-// });
-
-// // Express route to fetch all reviews
-// app.get('/fetchReviews', async (req, res) => {
-//   try {
-//     const documents = await Reviews.find();
-//     res.json(documents);
-//   } catch (error) {
-//     console.error(error);
-//     res.status(500).json({ error: 'Error fetching documents' });
-//   }
-// });
-
-// // Express route to fetch reviews by a particular dealer
-// app.get('/fetchReviews/dealer/:id', async (req, res) => {
-//   try {
-//     const documents = await Reviews.find({ dealership: req.params.id });
-//     res.json(documents);
-//   } catch (error) {
-//     console.error(error);
-//     res.status(500).json({ error: 'Error fetching documents' });
-//   }
-// });
-
-// // ✅ Express route to fetch all dealerships
-// app.get('/fetchDealers', async (req, res) => {
-//   try {
-//     const documents = await Dealerships.find();
-//     res.json(documents);
-//   } catch (error) {
-//     console.error(error);
-//     res.status(500).json({ error: 'Error fetching dealers' });
-//   }
-// });
-
-// // ✅ Express route to fetch Dealers by a particular state
-// app.get('/fetchDealers/:state', async (req, res) => {
-//   try {
-//     const stateParam = req.params.state;
-
-//     const documents = await Dealerships.find({
-//       $or: [
-//         { st: stateParam.toUpperCase() },
-//         { state: new RegExp(`^${stateParam}$`, 'i') },
-//       ],
-//     });
-
-//     res.json(documents);
-//   } catch (error) {
-//     console.error(error);
-//     res.status(500).json({ error: 'Error fetching dealers by state' });
-//   }
-// });
-
-// // ✅ Express route to fetch dealer by a particular id
-// app.get('/fetchDealer/:id', async (req, res) => {
-//   try {
-//     const id = parseInt(req.params.id);
-//     const document = await Dealerships.findOne({ id: id });
-
-//     if (!document) {
-//       return res.status(404).json({ error: 'Dealer not found' });
-//     }
-
-//     res.json(document);
-//   } catch (error) {
-//     console.error(error);
-//     res.status(500).json({ error: 'Error fetching dealer by id' });
-//   }
-// });
-
-// //Express route to insert review
-// app.post('/insert_review', express.raw({ type: '*/*' }), async (req, res) => {
-//   const data = JSON.parse(req.body);
-//   const documents = await Reviews.find().sort({ id: -1 });
-//   let new_id = documents[0]['id'] + 1;
-
-//   const review = new Reviews({
-//     id: new_id,
-//     name: data['name'],
-//     dealership: data['dealership'],
-//     review: data['review'],
-//     purchase: data['purchase'],
-//     purchase_date: data['purchase_date'],
-//     car_make: data['car_make'],
-//     car_model: data['car_model'],
-//     car_year: data['car_year'],
-//   });
-
-//   try {
-//     const savedReview = await review.save();
-//     res.json(savedReview);
-//   } catch (error) {
-//     console.log(error);
-//     res.status(500).json({ error: 'Error inserting review' });
-//   }
-// });
-
-// // Start the Express server
-// app.listen(port, () => {
-//   console.log(`🚀 Server is running on http://localhost:${port}`);
-// });
 const express = require('express');
 const fs = require('fs');
 const cors = require('cors');
@@ -163,13 +21,13 @@ app.get('/', (req, res) => {
 
 // Fetch all dealerships
 app.get('/fetchDealers', (req, res) => {
-  res.json(dealerships_data["dealerships"]);
+  res.json(dealerships_data.dealerships);
 });
 
 // Fetch dealers by state
 app.get('/fetchDealers/:state', (req, res) => {
   const state = req.params.state.toUpperCase();
-  const dealers = dealerships_data["dealerships"].filter(d =>
+  const dealers = dealerships_data.dealerships.filter(d =>
     d.st.toUpperCase() === state ||
     d.state.toUpperCase() === state
   );
@@ -179,27 +37,27 @@ app.get('/fetchDealers/:state', (req, res) => {
 // Fetch dealer by ID
 app.get('/fetchDealer/:id', (req, res) => {
   const id = parseInt(req.params.id);
-  const dealer = dealerships_data["dealerships"].find(d => d.id === id);
+  const dealer = dealerships_data.dealerships.find(d => d.id === id);
   res.json(dealer || {});
 });
 
 // Fetch all reviews
 app.get('/fetchReviews', (req, res) => {
-  res.json(reviews_data["reviews"]);
+  res.json(reviews_data.reviews);
 });
 
 // Fetch reviews for a dealer
 app.get('/fetchReviews/dealer/:id', (req, res) => {
   const id = parseInt(req.params.id);
-  const reviews = reviews_data["reviews"].filter(r => r.dealership === id);
+  const reviews = reviews_data.reviews.filter(r => r.dealership === id);
   res.json(reviews);
 });
 
 // Insert review (append to JSON)
 app.post('/insert_review', (req, res) => {
   const body = req.body;
 
-  let new_id = reviews_data["reviews"].length + 1;
+  let new_id = reviews_data.reviews.length + 1;
 
   const newReview = {
     id: new_id,
@@ -213,7 +71,7 @@ app.post('/insert_review', (req, res) => {
     car_year: body.car_year
   };
 
-  reviews_data["reviews"].push(newReview);
+  reviews_data.reviews.push(newReview);
 
   res.json(newReview);
 });

server/database/inventory.js

@@ -1,30 +1,29 @@
-const { Int32 } = require('mongodb');
 const mongoose = require('mongoose');
 
 const Schema = mongoose.Schema;
 
 const cars = new Schema({
-dealer_id: {
+  dealer_id: {
     type: Number,
     required: true
-},
-make: {
+  },
+  make: {
     type: String,
     required: true
   },
-model: {
+  model: {
     type: String,
     required: true
   },
-bodyType: {
+  bodyType: {
     type: String,
     required: true
   },
-year: {
+  year: {
     type: Number,
     required: true
   },
-mileage: {
+  mileage: {
     type: Number,
     required: true
   }