Library Management System

This C++ project simulates a basic Library Management System that allows book management, member registration, and operations such as borrowing and returning books. It supports detailed constraints and edge case handling, making it robust for realistic scenarios.

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Features

Book Class

• Attributes

  • title (public): Title of the book.
  • author (public): Author of the book.
  • isbn (private): Unique book identifier.
  • copiesAvailable (private): Available copies.
  • totalCopies (private): Total number of copies.

• Constructors

  • Parameterized constructor.
  • Constructor with default values ("UnknownTitle", "UnknownAuthor", "ISBN", 0, 5).
  • Copy constructor with new ISBN.

• Methods

  • Getters for isbn, copiesAvailable, totalCopies.
  • updateCopies(count): Adjusts book count (rejects negative totals).
  • borrowBook(): Decreases copiesAvailable if possible.
  • returnBook(): Increases copiesAvailable if not exceeding totalCopies.
  • printDetails(): Prints book's title and author.

• Constraints

  • Unique ISBN enforced.
  • copiesAvailable must remain between 0 and totalCopies.

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Member Class

• Attributes

  • memberID (private): Unique member identifier.
  • name (public): Member name.
  • borrowedBooks (private): Map of ISBN to quantity borrowed.
  • borrowLimit (private): Maximum borrowable books (default = 3).

• Constructors

  • Parameterized constructor.
  • Constructor with default borrowLimit.

• Methods

  • borrowBook(isbn): Borrows book if limit not exceeded.
  • returnBook(isbn): Returns book if borrowed.
  • printDetails(): Prints member info and borrowed books.

• Constraints

  • Can borrow same book multiple times (up to availability).
  • Cannot exceed borrowLimit or 15 total borrowed books.

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Library Class

• Attributes

  • books (private): Vector of all books.
  • members (private): Vector of all members.

• Methods

  • addBook(Book&): Adds new book (enforces unique ISBN).
  • registerMember(Member&): Registers new member (enforces unique ID).
  • borrowBook(memberID, isbn): Validates and processes borrowing.
  • returnBook(memberID, isbn): Validates and processes returning.
  • printLibraryDetails(): Prints book and member details.

• Constraints

  • Max 50 books, 150 members.
  • Each book: Max 15 copies.
  • Each member: Max 15 borrowed books.

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