Next.js 14 Node Express CRUD MongoDB (Create Read Update and Delete)| TailwindCSS DaisyUI

Next.js 14 Node Express CRUD MongoDB (Create Read Update and Delete)| TailwindCSS DaisyUI

https://expressjs.com/
Express JS
Fast, unopinionated, minimalist web framework for Node.js

Install
$ npm install express --savev PS C:\nodeproject> npm install express --save
https://expressjs.com/en/starter/hello-world.html

https://mongoosejs.com/docs/
npm install mongoose --save
cors
CORS is a node.js package for providing a Connect/Express middleware that can be used to enable CORS with various options.
https://www.npmjs.com/package/cors
PS C:\nodeproject>npm i cors

run PS C:\nodeproject> node index.js

//index.js
const express = require('express')
const mongoose = require('mongoose')
const cors = require('cors')
const UserModel = require('./User')
 
const app = express()
const port = 3000

app.use(cors())
app.use(express.json())
 
main().catch(err => console.log(err));

async function main() {
    try {
        await mongoose.connect('mongodb://127.0.0.1/nodeexpressdb', {});
        console.log("CONNECTED TO DATABASE SUCCESSFULLY");
    } catch (error) {
        console.error('COULD NOT CONNECT TO DATABASE:', error.message);
    }
}

app.get('/hello', (req, res) => {
  res.send('Hello World!')
})

app.get('/', (req, res) => {
    UserModel.find()
    .then(users => res.json(users))
    .catch(err => res.json(err))
})
 
 
app.get('/get/:id', (req, res) => {
    const id = req.params.id
    UserModel.findById({_id: id})
    .then(post => res.json(post))
    .catch(err => console.log(err))
})
 
app.post('/create', (req, res) => {
    UserModel.create(req.body)
    .then(user => res.json(user))
    .catch(err => res.json(err))
})
 
app.put('/update/:id', (req, res) => {
    const id = req.params.id;
    UserModel.findByIdAndUpdate({_id: id}, {
        name: req.body.name,
        email: req.body.email,
        age: req.body.age
    }).then(user => res.json(user))
    .catch(err => res.json(err))
})
 
app.delete('/deleteuser/:id', (req, res) => {
    const id = req.params.id;
    UserModel.findByIdAndDelete({_id: id})
    .then(response => res.json(response))
    .catch(err => res.json(err))
})
 
app.listen(port, () => {
  console.log(`Example app listening on port ${port}`)
})

User.js

//User.js
const mongoose = require('mongoose')
 
const UserSchema = new mongoose.Schema({
    name: String,
    email: String,
    age: Number
})
 
const UserModel = mongoose.model("users", UserSchema)
 
module.exports = UserModel;

Next.js Install requirements
npm install axios
https://www.npmjs.com/package/axios

app\page.tsx

//app\page.tsx
import Link from "next/link";
import TableData from "@/components/tabledata";
import { Suspense } from "react";
import { Spinner } from "@/components/spinner";
 
export default function Home() {
    return (
    <div className="w-screen py-20 flex justify-center flex-col items-center">
      <div className="flex items-center justify-between gap-1 mb-5">
        <h1 className="text-4xl font-bold">Next.js 14 Node Express CRUD MongoDB (Create Read Update and Delete)| TailwindCSS DaisyUI</h1>
      </div>    
        <div className="overflow-x-auto">
          <div className="mb-2 w-full text-right">
            <Link
              href="/user/create"
              className="btn btn-primary">
              Create
            </Link>
          </div>
          <Suspense fallback={<Spinner />}>
            <TableData/>
          </Suspense>
      </div>  
    </div>
  ); 
}

components\tabledata.tsx

//components\tabledata.tsx
"use client";
  
import React, { useEffect, useState } from "react";
import axios from 'axios' //npm install axios https://www.npmjs.com/package/axios
import Link from "next/link";

export default function Users() {
    const [userData, setUSerData] = useState([]);
    useEffect(() => {
        fetchData();
    }, [])
 
    const fetchData = async () => {
        try {
            const result = await axios("http://localhost:3000/");
            console.log(result.data);
            setUSerData(result.data)
        } catch (err) {
            console.log("somthing Wrong");
        }
    }

    const handleDelete=async(id)=>{
        console.log(id);
        await axios.delete("http://localhost:3000/deleteuser/"+id);
        const newUserData=userData.filter((item)=>{
            return(
                item._id !==id
            )
        })
        setUSerData(newUserData);
    }
  return (
        <table className="table table-zebra">
        <thead className="text-sm text-gray-700 uppercase bg-gray-50">
            <tr>
            <th className="py-3 px-6">#</th>
            <th className="py-3 px-6">Name</th>
            <th className="py-3 px-6">Email</th>
            <th className="py-3 px-6">Age</th>
            <th className="py-3 px-6 text-center">Actions</th>
            </tr>
        </thead>
        <tbody>
            {userData.map((rs, index) => (
            <tr key={rs.id} className="bg-white border-b">
                <td className="py-3 px-6">{index + 1}</td>
                <td className="py-3 px-6">{rs.name}</td>
                <td className="py-3 px-6">{rs.email}</td>
                <td className="py-3 px-6">{rs.age}</td>
                <td className="flex justify-center gap-1 py-3">
                    <Link
                    href={`/user/view/${rs._id}`} 
                    className="btn btn-info">
                    View
                    </Link>
                    <Link
                    href={`/user/edit/${rs._id}`} 
                    className="btn btn-primary">
                    Edit
                    </Link>
                    <button onClick={()=>handleDelete(rs._id)} className="btn btn-secondary">Delete</button>
                </td>
            </tr>
            ))}
        </tbody>
        </table>
  );
}

components\spinner.tsx

//components\spinner.tsx
export const Spinner = () => {
  return (
    <span className="loading loading-spinner loading-lg"></span>
  );
};

app\user\create\page.tsx

//app\user\create\page.tsx
"use client";

import React, { useState } from "react";
import axios from 'axios' //npm install axios https://www.npmjs.com/package/axios

const CreateUserPage = () => {
    const [userField, setUserField] = useState({
        name: "",
        email: "",
        age: ""
    });
 
    const changeUserFieldHandler = (e) => {
        setUserField({
            ...userField,
            [e.target.name]: e.target.value
        });
        //console.log(userField);
    }

    const onSubmitChange = async (e) => {
        e.preventDefault();
        try {
          const responce= await axios.post("http://localhost:3000/create", userField);
          console.log(responce)
          window.location.href = '/';
        } catch (err) {
            console.log("Something Wrong");
        }
    }
    return (
    <div className="max-w-md mx-auto mt-5">
        <h1 className="text-2xl text-center mb-2">Add New User</h1>
        <div>
        <form>
        <div className="mb-5">
          <label htmlFor="name" className="block text-sm font-medium text-gray-900">
            Full Name
          </label>
          <input
            type="text"
            name="name"
            id="name"
            className="input input-bordered input-primary w-full max-w-xs"
            placeholder="Full Name..."
            onChange={e => changeUserFieldHandler(e)} 
          />
        </div>
        <div className="mb-5">
          <label htmlFor="email" className="block text-sm font-medium text-gray-900">
            Email
          </label>
          <input
            type="email"
            name="email"
            id="email"
            className="input input-bordered input-primary w-full max-w-xs"
            placeholder="Email..."
            onChange={e => changeUserFieldHandler(e)}
          />
        </div>
        <div className="mb-5">
          <label
            htmlFor="age" className="block text-sm font-medium text-gray-900">
            Age
          </label>
          <input
            type="text"
            name="age"
            id="age"
            className="input input-bordered input-primary w-full max-w-xs"
            placeholder="Age..."
            onChange={e => changeUserFieldHandler(e)}
          />
        </div>
         <button type="submit" className="btn btn-primary" onClick={e => onSubmitChange(e)}>Add User</button> 
      </form>
    </div>
    </div>
  );
};
  
export default CreateUserPage;

app\user\edit\[id]\page.tsx

//app\user\edit\[id]\page.tsx
"use client";

import React, { useState, useEffect } from 'react';
import axios from 'axios' //npm install axios https://www.npmjs.com/package/axios
import Link from "next/link";
import { useParams } from 'next/navigation'

export default function ViewUserPage() {
    const {id}=useParams();

    console.log(id);
 
    const [userField, setUserField] = useState({
        name: "",
        email: ""
    });

    useEffect(()=>{
        fetchUser();
    },[id]);
 
    const fetchUser=async()=>{
        try{
            const result=await axios.get("http://localhost:3000/get/"+id);
            console.log(result.data);
            setUserField(result.data)
 
        }catch(err){
            console.log("Something Wrong");
        }
    }

    const changeUserFieldHandler = (e) => {
        setUserField({
            ...userField,
            [e.target.name]: e.target.value
        });
        console.log(userField);
    }
     
    const onSubmitChange = async (e) => {
        e.preventDefault();
        try {
            await axios.put("http://localhost:3000/update/"+id, userField);
            window.location.href = '/';
        } catch (err) {
            console.log("Something Wrong");
        }
    }

    return (
    <div className="max-w-md mx-auto mt-5">
      <h1 className="text-2xl text-center mb-2">Edit Form</h1>
            <form>
                <div className="mb-3 mt-3">
                    <label className="block text-sm font-medium text-gray-900"> ID:</label>
                    <input type="text" id="id" name="id" value={id} disabled />
                </div>
                <div className="mb-3 mt-3">
                    <label className="block text-sm font-medium text-gray-900"> Full Name:</label>
                    <input type="text" className="input input-bordered input-primary w-full max-w-xs" placeholder="Enter Your Full Name" name="name" value={userField.name} onChange={e => changeUserFieldHandler(e)} />
                </div>
                <div className="mb-3 mt-3">
                    <label className="block text-sm font-medium text-gray-900">Email:</label>
                    <input type="email" className="input input-bordered input-primary w-full max-w-xs" id="email" placeholder="Enter email" name="email" value={userField.email}  onChange={e => changeUserFieldHandler(e)}/>
                </div>
                <div className="mb-3 mt-3">
                     <label className="block text-sm font-medium text-gray-900">Age:</label>
                      <input type="text" className="input input-bordered input-primary w-full max-w-xs" id="age" placeholder="Enter age" name="age" onChange={e => changeUserFieldHandler(e)} required/>
                </div>
                <button type="submit" className="btn btn-primary" onClick={e=>onSubmitChange(e)}>Update</button>
            </form>
    </div>
  );
}

app\user\view\[id]\page.tsx

//app\user\view\[id]\page.tsx
"use client";

import React, { useState, useEffect } from 'react';
import axios from 'axios' //npm install axios https://www.npmjs.com/package/axios
import Link from "next/link";
import { useParams } from 'next/navigation'

export default function ViewUserPage() {
    const {id}=useParams();

    console.log(id);

    const[user,setUser]=useState([]);
 
    useEffect(()=>{
        fetchUser();
    },[id]);
 
    const fetchUser=async()=>{
        try{
        const result=await axios.get("http://localhost:3000/get/"+id);
        console.log(result.data);
        setUser(result.data)
 
        }catch(err){
            console.log("Something Wrong");
        }
    }

    return (
    <div className="max-w-2xl mx-auto mt-5">
      <h1 className="text-2xl text-center mb-2">View User</h1>
      <table className="table table-zebra">
          <thead className="text-sm text-gray-700 uppercase bg-gray-50">
            <tr>
              <th>S No.</th>
              <th>Full Name</th>
              <th>Email</th>             
            </tr>
          </thead>
          <tbody>
            <tr>
                <td>{user._id}</td>
                <td>{user.name}</td>
                <td>{user.email}</td>
            </tr>
          </tbody>
      </table>
    </div>
  );
}

run C:\nextjs>npm run dev