Library Management System

A Node.js-powered Library Management System for handling book reservations, borrowing, returning, and generating admin reports and logs.

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Features

User Operations

• Borrow Books: Users can borrow books if available.
• Return Books: Users can return borrowed books.
• View Borrowed Books: Check the list of books currently borrowed by a user.

Reservation System

• Reserve Books: Users can reserve books if unavailable.
• Cancel Reservations: Users can cancel their reservations.
• View Reservations: View active reservations per user.

Admin Operations

• Reports:
  • Currently borrowed books
  • Overdue books with details of overdue period
• Logs:
  • System activity logs for tracking user and admin actions
  • Logs include actions like borrowing, returning, and reservation management

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Installation

1. Clone the repository

   git clone https://github.com/your-username/library-management-system.git
   cd library-management-system

2. Install dependencies

   npm install

3. Setup MongoDB

   • Ensure MongoDB is running locally or update the connection string in the code:

     mongoose.connect('mongodb://localhost/library');

4. Run the server

   npm start:dev

   The server will run at http://localhost:4000.

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API Endpoints

User Borrowing Management

• Borrow a Book: POST /borrow/:bookId
• Return a Book: POST /return/:bookId
• List Borrowed Books: GET /users/:id/borrowed-books

Reservation System

• Reserve a Book: POST /reservations
• Cancel Reservation: DELETE /reservations/:reservationId
• List Reservations:
  • All reservations: GET /reservations
  • User-specific: GET /users/:id/reservations

Admin Reports

• Currently Borrowed Books: GET /reports/borrowed-books
• Overdue Books: GET /reports/overdue-books

Activity Logs

• View Logs: GET /logs
• Create Log Entry: POST /logs

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Data Models

User

{
  name: String,
  borrowedBooks: [ObjectId],
  reservations: [ObjectId]
}

Book

{
  title: String,
  author: String,
  isAvailable: Boolean,
  borrowHistory: [
    {
      user: ObjectId,
      borrowedAt: Date,
      returnedAt: Date
    }
  ]
}

Log

{
  action: String,
  details: String,
  performedAt: Date
}