#include <iostream>
#include <istream>
#include <string>
#include <vector>
using namespace std;
class Book {
int BookID;
std::string Title;
std::string Author;
double price;
static int numOfBooks;
friend class Library; // Declare Library as a friend class
public:
Book(int BookID, std::string Title, std::string Author, double price){
this->BookID = BookID;
this->Title = Title;
this->Author = Author;
this->price = price;
numOfBooks ++;
}
int getBookID() const {
return BookID;
}
std::string getTitle() const {
return Title;
}
std::string getAuthor() const {
return Author;
}
double getPrice() const {
return price;
}
//Static Function
static int getTotalNumOfBooks(){
return numOfBooks;
};
};
int Book::numOfBooks = 0;
//Class User
class Users{
public:
std::string name;
std::string address;
std::string email;
int phoneNum;
Users(std::string n, std::string addre,std::string em, int pN){
name = n;
address = addre;
email = em;
phoneNum = pN;
}
//Virtual Function & Overiding function
virtual void display(){
}
};
//Derived Class from Base class User
class Student: public Users{
int studentID;
public:
Student(int studentID, std::string name, std::string address, std::string email, int phoneNum):Users(name, address, email, phoneNum){
this->studentID = studentID;
}
int getStudentID() const {
return studentID;
}
//Function Overloading, Same Name but different arguments.
void print(std::string name){
cout<<"student Name: "<<name<<endl;
}
void print(std::string name, int studentID){
cout<<"Student Name: "<<name<<endl;
cout<<"Student ID: "<<studentID<<endl;
}
//Default arguments
void print(std::string name, std::string email, int studentID = 1111){
cout<<"Student Name: "<<name<<endl;
cout<<"Student Email: "<<email<<endl;
cout<<"Student ID: "<<studentID<<endl;
}
void display(){
cout<<"\n__Student Info:_ "<<endl;
cout<<"ID: "<<studentID<<endl;
cout<<"Name: "<<name<<endl;
cout<<"Address: "<<address<<endl;
cout<<"Email: "<<email<<endl;
cout<<"Phone Number: "<<phoneNum<<endl;
}
//Friend Function
friend void globalFunction(Student &stud);
};
class Staff: public Users{
int staffID;
public:
Staff(int staffID, std::string name, std::string address, std::string email, int phoneNum):Users(name, address, email, phoneNum){
this->staffID = staffID;
}
int getStaffID(){
return staffID;
}
void display(){
cout<<"\n___Staff Info:_ "<<endl;
cout<<"ID: "<<staffID<<endl;
cout<<"Name: "<<name<<endl;
cout<<"Address: "<<address<<endl;
cout<<"Email: "<<email<<endl;
cout<<"Phone Number: "<<phoneNum<<endl;
}
friend void globalFunction(Staff &staf);
};
//Friend Function implementation
void globalFunction(Student &stud, Staff &staf){
cout<<"\nAccessing Student ID: "<<stud.getStudentID()<<endl;
cout<<"Accessing Staff ID: "<<staf.getStaffID()<<endl;
}
class Library{
vector<Book*> books; // Declaration of books vector
vector<Student*> students;
Book *book;
std::string name;
std::string address;
public:
Library(std::string name, std::string address){
this->name = name;
this->address = address;
}
void setBook(Book *book){
this->book = book;
}
Book* getBook(){
return book;
}
std::string getName(){
return name;
}
void setName(std::string name){
this->name = name;
}
std::string getAddress(){
return address;
}
void setAddress(std::string address){
this->address = address;
}
void addBook(const std::string& title, const std::string& author, double price) {
int id = books.size() + 1; // Generate ID automatically based on the number of books
books.push_back(new Book(id, title, author, price));
cout << "Book added successfully with ID: " << id << endl;
}
bool deleteBook(int id) {
auto it = find_if(books.begin(), books.end(), [id](const Book* book) {
return book->getBookID() == id;
});
if (it != books.end()) {
books.erase(it);
return true;
}
return false;
}
void editBook(int id, std::string newTitle, std::string newAuthor, double newPrice) {
auto it = find_if(books.begin(), books.end(), [id](const Book* book) {
return book->getBookID() == id;
});
if (it != books.end()) {
(*it)->Title = newTitle;
(*it)->Author = newAuthor;
(*it)->price = newPrice;
}
}
void showBookInfo(int id) {
auto it = std::find_if(books.begin(), books.end(), [id](const Book* book) {
return book->getBookID() == id;
});
if (it != books.end()) {
std::cout << "Book ID: " << (*it)->getBookID() << std::endl;
std::cout << "Book Title: " << (*it)->getTitle() << std::endl;
std::cout << "Book Author: " << (*it)->getAuthor() << std::endl;
std::cout << "Book Price: " << (*it)->getPrice() << std::endl;
}
}
std::vector<Book*>& getBooks() { // Return a reference to the vector of books
return books;
}
void addStudent(const std::string& name, const std::string& address, const std::string& email, int phoneNum) {
int id = students.size() + 1; // Generate ID automatically based on the number of students
students.push_back(new Student(id, name, address, email, phoneNum));
cout << "Student added successfully with ID: " << id << endl;
}
bool deleteStudent(int id) {
auto it = find_if(students.begin(), students.end(), [id](const Student* student) {
return student->getStudentID() == id;
});
if (it != students.end()) {
students.erase(it);
return true;
}
return false;
}
void editStudent(int id, const string& newName, const string& newAddress, const string& newEmail, int newPhoneNum) {
auto it = find_if(students.begin(), students.end(), [id](const Student* student) {
return student->getStudentID() == id;
});
if (it != students.end()) {
(*it)->name = newName;
(*it)->address = newAddress;
(*it)->email = newEmail;
(*it)->phoneNum = newPhoneNum;
}
}
void showStudentInfo(int id) {
auto it = find_if(students.begin(), students.end(), [id](const Student* student) {
return student->getStudentID() == id;
});
if (it != students.end()) {
cout << "Student ID: " << (*it)->getStudentID() << endl;
cout << "Student Name: " << (*it)->name << endl;
cout << "Student Address: " << (*it)->address << endl;
cout << "Student Email: " << (*it)->email << endl;
cout << "Student Phone Number: " << (*it)->phoneNum << endl;
}
}
};
int main() {
Library library("University Library", "Uskudar");
while (true) {
cout << "\nMenu:" << endl;
cout << "1. Manage Books" << endl;
cout << "2. Manage Students" << endl;
cout << "3. Exit" << endl;
cout << "Enter your choice: ";
int choice;
cin >> choice;
switch (choice) {
case 1: {
cout << "\nBooks Menu:" << endl;
cout << "1. Add Book" << endl;
cout << "2. Delete Book" << endl;
cout << "3. Edit Book" << endl;
cout << "4. Show Book Information" << endl;
cout << "5. Book List" << endl;
cout << "Enter your choice: ";
int bookChoice;
cin >> bookChoice;
switch (bookChoice) {
case 1: {
std::string title, author;
double price;
cout << "Enter book title: ";
cin.ignore();
getline(cin, title);
cout << "Enter book author: ";
getline(cin, author);
cout << "Enter book price: ";
cin >> price;
library.addBook(title, author, price);
break;
}
case 2: {
int id;
cout << "Enter ID of the book to delete: ";
cin >> id;
if (library.deleteBook(id)) {
cout << "Book with ID " << id << " deleted successfully." << endl;
}
else {
cout << "Book with ID " << id << " not found." << endl;
}
break;
}
case 3: {
int id;
string newTitle, newAuthor;
double newPrice;
cout << "Enter ID of the book to edit: ";
cin >> id;
cout << "Enter new title: ";
cin.ignore();
getline(cin, newTitle);
cout << "Enter new author: ";
getline(cin, newAuthor);
cout << "Enter new price: ";
cin >> newPrice;
library.editBook(id, newTitle, newAuthor, newPrice);
cout << "Book edited successfully." << endl;
break;
}
case 4: {
int id;
cout << "Enter ID of the book to show information: ";
cin >> id;
library.showBookInfo(id);
break;
}
case 5: {
vector<Book*> books = library.getBooks();
cout << "\nBook List:" << endl;
for (Book* book : books) {
cout << "Book ID: " << book->getBookID() << ", Title: " << book->getTitle() << ", Author: " << book->getAuthor() << ", Price: " << book->getPrice() << endl;
}
break;
}
default:
cout << "Invalid choice." << endl;
}
break;
}
case 2: {
cout << "\nStudents Menu:" << endl;
cout << "1. Add Student" << endl;
cout << "2. Remove Student" << endl;
cout << "3. Edit Student" << endl;
cout << "4. Get Student Info" << endl;
cout << "5. Exit" << endl;
cout << "Enter your choice: ";
int studentChoice;
cin >> studentChoice;
switch (studentChoice) {
case 1: {
std::string name, address, email;
int phoneNum;
cout << "Enter student name: ";
cin.ignore();
getline(cin, name);
cout << "Enter student address: ";
getline(cin, address);
cout << "Enter student email: ";
cin >> email;
cout << "Enter student phone number: ";
cin >> phoneNum;
library.addStudent(name, address, email, phoneNum);
break;
}
case 2: {
int id;
cout << "Enter ID of the student to remove: ";
cin >> id;
if (library.deleteStudent(id)) {
cout << "Student with ID " << id << " removed successfully." << endl;
} else {
cout << "Student with ID " << id << " not found." << endl;
}
break;
}
case 3: {
int id;
string newName, newAddress, newEmail;
int newPhoneNum;
cout << "Enter ID of the student to edit: ";
cin >> id;
cout << "Enter new name: ";
cin.ignore();
getline(cin, newName);
cout << "Enter new address: ";
getline(cin, newAddress);
cout << "Enter new email: ";
cin >> newEmail;
cout << "Enter new phone number: ";
cin >> newPhoneNum;
library.editStudent(id, newName, newAddress, newEmail, newPhoneNum);
cout << "Student edited successfully." << endl;
break;
}
case 4: {
int id;
cout << "Enter ID of the student to get information: ";
cin >> id;
library.showStudentInfo(id);
break;
}
case 5: {
cout << "Exiting students menu..." << endl;
break;
}
default:
cout << "Invalid choice." << endl;
}
break;
}
case 3:
cout << "Exiting..." << endl;
return 0;
default:
cout << "Invalid choice. Please enter a number from 1 to 3." << endl;
}
}
return 0;
}
//OUTPUT:
Menu:
1. Manage Books
2. Manage Students
3. Exit
Enter your choice: 1
Books Menu:
1. Add Book
2. Delete Book
3. Edit Book
4. Show Book Information
5. Book List
Enter your choice: 1
Enter book title: The Power
Enter book author: James
Enter book price: 23
Book added successfully with ID: 1
Menu:
1. Manage Books
2. Manage Students
3. Exit
Enter your choice: 1
Books Menu:
1. Add Book
2. Delete Book
3. Edit Book
4. Show Book Information
5. Book List
Enter your choice: 1
Enter book title: Psychology
Enter book author: Mike
Enter book price: 21
Book added successfully with ID: 2
Menu:
1. Manage Books
2. Manage Students
3. Exit
Enter your choice: 1
Books Menu:
1. Add Book
2. Delete Book
3. Edit Book
4. Show Book Information
5. Book List
Enter your choice: 5
Book List:
Book ID: 1, Title: The Power, Author: James, Price: 23
Book ID: 2, Title: Physcology, Author: Mike, Price: 21
Menu:
1. Manage Books
2. Manage Students
3. Exit
Enter your choice: 1
Books Menu:
1. Add Book
2. Delete Book
3. Edit Book
4. Show Book Information
5. Book List
Enter your choice: 2
Enter ID of the book to delete: 2
Book with ID 2 deleted successfully.
Menu:
1. Manage Books
2. Manage Students
3. Exit
Enter your choice: 1
Books Menu:
1. Add Book
2. Delete Book
3. Edit Book
4. Show Book Information
5. Book List
Enter your choice: 5
Book List:
Book ID: 1, Title: The Power, Author: James, Price: 23
Menu:
1. Manage Books
2. Manage Students
3. Exit
Enter your choice: 2
Students Menu:
1. Add Student
2. Remove Student
3. Edit Student
4. Get Student Info
5. Exit
Enter your choice: 1
Enter student name: Mohamed
Enter student address: Istanbul
Enter student email: moha@gmail.com
Enter student phone number: 5544
Student added successfully with ID: 1
Menu:
1. Manage Books
2. Manage Students
3. Exit
Enter your choice: 2
Students Menu:
1. Add Student
2. Remove Student
3. Edit Student
4. Get Student Info
5. Exit
Enter your choice: 1
Enter student name: Nasir
Enter student address: Istanbul
Enter student email: nasir@gmail.com
Enter student phone number: 1122
Student added successfully with ID: 2
Menu:
1. Manage Books
2. Manage Students
3. Exit
Enter your choice: 2
Students Menu:
1. Add Student
2. Remove Student
3. Edit Student
4. Get Student Info
5. Exit
Enter your choice: 2
Enter ID of the student to remove: 2
Student with ID 2 removed successfully.
Menu:
1. Manage Books
2. Manage Students
3. Exit
Enter your choice: 2
Students Menu:
1. Add Student
2. Remove Student
3. Edit Student
4. Get Student Info
5. Exit
Enter your choice: 4
Enter ID of the student to get information: 2
Menu:
1. Manage Books
2. Manage Students
3. Exit
Enter your choice: 2
Students Menu:
1. Add Student
2. Remove Student
3. Edit Student
4. Get Student Info
5. Exit
Enter your choice: 4
Enter ID of the student to get information: 1
Student ID: 1
Student Name: Mohamed
Student Address: Istanbul
Student Email: moha@gmail.com
Student Phone Number: 5544
Menu:
1. Manage Books
2. Manage Students
3. Exit
Enter your choice: 3
Exiting...
Normal program termination. Exit status: 0
