gugu-car-crud-api/Main.js

Car-crud-api

const express = require("express");
const mysql = require("mysql2");
const app = express();

app.use(express.json());

const con = mysql.createConnection({
    host: 'localhost',
    user: 'root',
    password: 'Letsdoit!',
    database: 'CAR'
});

con.connect((err) => {
    if (err) {
        console.error('Error connecting to the database:', err);
    } else {
        console.log("The server is connected");
    }
});


app.post('/cars', (req, res) => {
    const { Brand, Transmission, Color, YearModel } = req.body;

    con.query(
        'INSERT INTO CarTable (Brand, Transmission, Color, YearModel) VALUES (?, ?, ?, ?)', 
        [Brand, Transmission, Color, YearModel], 
        (err, results) => {
            if (err) {
                console.error('Error inserting data:', err);
                res.status(500).send("Error inserting data");
            } else {
                res.send("Car added successfully");
            }
        }
    );
});


app.get('/cars', (req, res) => {
    con.query('SELECT * FROM CarTable', (err, results) => {
        if (err) {
            console.error('Error fetching data:', err);
            res.status(500).send("Error fetching data");
        } else {
            res.json(results);
        }
    });
});


app.put('/cars/:id', (req, res) => {
    const id = req.params.id;
    const { Brand, Transmission, Color, YearModel } = req.body;

    con.query(
        'UPDATE CarTable SET Brand = ?, Transmission = ?, Color = ?, YearModel = ? WHERE id = ?', 
        [Brand, Transmission, Color, YearModel, id], 
        (err, results) => {
            if (err) {
                console.error('Error updating data:', err);
                res.status(500).send("Error updating the car");
            } else {
                res.send("Car updated successfully");
            }
        }
    );
});

app.delete('/cars/:id', (req, res) => {
    const id = req.params.id;

    con.query('DELETE FROM CarTable WHERE id = ?', [id], (err, results) => {
        if (err) {
            console.error('Error deleting data:', err);
            res.status(500).send("Error deleting the car");
        } else if (results.affectedRows === 0) {
            res.status(404).send("No record found with the given ID");
        } else {
            res.send("Car deleted successfully");
        }
    });
});

app.listen(3001, (err) => {
    if (err) {
        console.error('Error starting the server:', err);
    } else {
        console.log("Server is running on port 3001");
    }
});