Smart Internship & Placement Management System

🚀 InternHub

India's Smartest Internship & Placement Management Platform

A full-stack web application built with Node.js + Express + SQL.js

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📸 Features

• Home Page – Hero section, featured internships, company stats
• Internship Listings – Search, filter by domain, pagination
• Apply System – One-click apply with cover letter, duplicate prevention
• Student Dashboard – Stats, application tracking, profile management
• Admin Panel – Full CRUD for internships, manage applications & users
• Role-Based Auth – Admin / Student with JWT-secured sessions
• Toast Notifications – Real-time feedback on all actions
• Responsive Design – Works on all screen sizes

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🔐 Demo Credentials

Role	Email	Password
Admin	admin@kodnest.com	admin123
Student	arjun@student.com	student123
Student	priya@student.com	student123
Student	rahul@student.com	student123

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🧱 Tech Stack (Live Demo)

Layer	Technology
Frontend	HTML5, CSS3, JavaScript (Vanilla SPA)
Styling	Bootstrap 5, Font Awesome 6
Backend	Node.js, Express.js
Database	sql.js (in-memory SQLite, no setup)
Auth	express-session + bcryptjs

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🏗️ Java Version Tech Stack (Download)

Layer	Technology
Frontend	JSP, Bootstrap 5, HTML5/CSS3/JS
Backend	Java Servlets (MVC pattern)
Database	MySQL + JDBC + PreparedStatement
Server	Apache Tomcat 10.x
Build	Maven

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🚀 Quick Start (Node.js Version)

# 1. Clone / navigate to project directory
cd "internship project kodnest"

# 2. Install dependencies
npm install

# 3. Start server
node server.js

# 4. Open browser
# http://localhost:3000

No database setup required — everything is auto-initialized!

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📁 Project Structure

internship-placement-system/
├── server.js                  # Express server + all API routes
├── package.json
├── public/
│   ├── index.html             # SPA entry point
│   ├── css/
│   │   └── style.css          # Complete design system
│   └── js/
│       └── app.js             # SPA router + all page renderers
└── java-version/              # Complete Java/Servlet project
    ├── pom.xml
    ├── src/main/
    │   ├── java/com/internhub/
    │   │   ├── model/
    │   │   │   ├── User.java
    │   │   │   ├── Internship.java
    │   │   │   └── Application.java
    │   │   ├── dao/
    │   │   │   ├── UserDAO.java
    │   │   │   ├── InternshipDAO.java
    │   │   │   └── ApplicationDAO.java
    │   │   └── servlet/
    │   │       ├── LoginServlet.java
    │   │       ├── RegisterServlet.java
    │   │       ├── InternshipServlet.java
    │   │       ├── ApplicationServlet.java
    │   │       └── AdminServlet.java
    │   └── webapp/
    │       ├── WEB-INF/web.xml
    │       ├── css/ js/ images/
    │       ├── index.jsp
    │       ├── login.jsp
    │       ├── register.jsp
    │       ├── dashboard.jsp
    │       ├── internships.jsp
    │       └── admin.jsp
    └── database/
        └── schema.sql

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🗄️ Database Schema

-- Users table
CREATE TABLE users (
  id INT AUTO_INCREMENT PRIMARY KEY,
  name VARCHAR(100) NOT NULL,
  email VARCHAR(100) UNIQUE NOT NULL,
  password VARCHAR(255) NOT NULL,  -- bcrypt hashed
  role ENUM('admin','student') DEFAULT 'student',
  phone VARCHAR(20),
  college VARCHAR(200),
  cgpa DECIMAL(3,1),
  skills TEXT,
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Internships table
CREATE TABLE internships (
  id INT AUTO_INCREMENT PRIMARY KEY,
  title VARCHAR(200) NOT NULL,
  company VARCHAR(200) NOT NULL,
  location VARCHAR(100),
  stipend INT,
  duration VARCHAR(50),
  domain VARCHAR(100),
  description TEXT,
  requirements TEXT,
  openings INT DEFAULT 5,
  status ENUM('active','closed') DEFAULT 'active',
  posted_by INT,
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  FOREIGN KEY (posted_by) REFERENCES users(id)
);

-- Applications table
CREATE TABLE applications (
  id INT AUTO_INCREMENT PRIMARY KEY,
  user_id INT NOT NULL,
  internship_id INT NOT NULL,
  status ENUM('applied','shortlisted','selected','rejected') DEFAULT 'applied',
  cover_letter TEXT,
  applied_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  UNIQUE KEY unique_application (user_id, internship_id),
  FOREIGN KEY (user_id) REFERENCES users(id),
  FOREIGN KEY (internship_id) REFERENCES internships(id)
);

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🔧 Running Java Version Locally (VS Code + XAMPP)

Prerequisites

• Java JDK 17+
• Apache Tomcat 10.x
• MySQL / XAMPP
• Maven 3.8+
• VS Code with Java Extension Pack

Steps

1. Start MySQL (XAMPP)

# Open XAMPP Control Panel → Start MySQL
# Open phpMyAdmin → http://localhost/phpmyadmin

2. Create Database & Tables

-- In phpMyAdmin, run:
CREATE DATABASE internhub_db;
USE internhub_db;
-- Then paste contents of java-version/database/schema.sql

3. Update Database Config

Edit java-version/src/main/webapp/WEB-INF/db.properties:

db.url=jdbc:mysql://localhost:3306/internhub_db
db.username=root
db.password=        # your MySQL password

4. Build with Maven

cd java-version
mvn clean package
# Output WAR: target/internhub.war

5. Deploy to Tomcat

# Copy WAR to Tomcat webapps folder
cp target/internhub.war /path/to/tomcat/webapps/

# Start Tomcat
/path/to/tomcat/bin/startup.sh  # Linux/Mac
/path/to/tomcat/bin/startup.bat # Windows

6. Open in Browser

http://localhost:8080/internhub/

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📡 API Endpoints (Node.js Version)

Method	Endpoint	Description
POST	/api/auth/register	Register new user
POST	/api/auth/login	Login
POST	/api/auth/logout	Logout
GET	/api/auth/session	Get current session
GET	/api/internships	List internships (search, filter, paginate)
GET	/api/internships/:id	Get single internship
POST	/api/internships	Create internship (admin)
PUT	/api/internships/:id	Update internship (admin)
DELETE	/api/internships/:id	Delete internship (admin)
POST	/api/applications/apply	Apply for internship
GET	/api/applications/mine	My applications
GET	/api/applications	All applications (admin)
PUT	/api/applications/:id/status	Update status (admin)
GET	/api/users	All students (admin)
PUT	/api/profile	Update profile
GET	/api/stats	Admin dashboard stats
GET	/api/stats/student	Student stats

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🎨 Design System

• Colors: Dark #08090d base, accent gradient #6e64ff → #9c5fff → #4facfe
• Typography: Inter + Plus Jakarta Sans (Google Fonts)
• Cards: Glassmorphism with backdrop-filter and subtle borders
• Animations: CSS keyframe animations, hover lift effects
• Icons: Font Awesome 6

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👤 Author

Built by KodNest for internship demonstration purposes.

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© 2024 InternHub by KodNest. Not for production use without proper security hardening.