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#include<iostream>
#include<fstream>
#include<stdlib.h>
#include<string.h>
#include<iomanip>
using namespace std;
//Class Person
class Person {
private:
string name;
int age;
public:
////Constructor with parameter declaration
Person(string name, int age) {
this->name = name;
this->age = age;
}
// Setter and Getter
string getName() {
return name;
}
void setName(string name) {
this->name = name;
}
int getAge() {
return age;
}
void setAge(int age) {
this->age = age;
}
};
// Class Book
class Book {
private:
int bookId;
string name;
string author;
int amount;
public:
//Constructor declaration
Book();
//Constructor with parameter declaration
Book(int bookId, string name, string author, int amount) {
this->bookId = bookId;
this->name = name;
this->author = author;
this->amount = amount;
}
//Setter and Getter
int getBookId() {
return bookId;
}
void setBookId(int bookId) {
this->bookId = bookId;
}
string getName() {
return name;
}
void setName(string name) {
this->name = name;
}
string getAuthor() {
return author;
}
void setAuthor(string author) {
this->author = author;
}
int getAmount() {
return amount;
}
void setAmount(int amount) {
this->amount = amount;
}
//Properties
void addBook() {
cout << "NEW BOOK ENTRY" << endl;
cout << "Please enter the information of your new book: " << endl;
cout << "ID: ";
cin >> bookId;
cout << "Name: ";
cin >> name;
cout << "Author: ";
cin >> author;
cout << "Amount of books in the storage: ";
cin >> amount;
cout << "A new book is successfully added." << endl;
}
void showBook() {
cout << "INFORMATION:" << endl;
cout << "ID: " << bookId << endl;
cout << "Name: " << name << endl;
cout << "Author: " << author << endl;
cout << amount << " books left." << endl;
}
void changeBook() {
cout << "MODIFICATION:" << endl;
cout << "Please enter the new information of the book " << bookId << " ." << endl;
cout << "Name: ";
cin >> name;
cout << "Author: ";
cin >> author;
cout << "Amount of books in the storage: ";
cin >> amount;
cout << "This book is successfully modified." << endl;
}
void display() {
cout << setw(30) << bookId << setw(30) << name << setw(30) << author << setw(30) << amount << endl;
}
};
using namespace std;
//Class Student
class Student:public Person {
private:
int reNum;
int stuId;
int bBorrow;
public:
//Constructor
Student();
//Constructor with parameter declaration
Student(int reNum, string name, int age, int stuId,int bBorrow):Person(name, age) {
this->reNum = reNum;
this->stuId = stuId;
this->bBorrow = bBorrow;
}
// Setter and Getter
int getReNum() {
return reNum;
}
void setReNum(int reNum) {
this->reNum = reNum;
}
int getStuId() {
return stuId;
}
void setStuId(int stuId) {
this->stuId = stuId;
}
int getBBorrow() {
return bBorrow;
}
void setBBorrow(int bBorrow) {
this->bBorrow = bBorrow;
}
void addBBorrow() {
bBorrow = 1;
}
//Add a new student
void addStudent() {
cout << "NEW STUDENT REGISTRATION" << endl;
cout << "Please enter your information:" << endl;
cout << "Registration number: ";
cin >> reNum;
cout << "Full Name: ";
Person::getName();
cout << "Age: ";
Person::getAge();
cout << "Student's ID: ";
cin >> stuId;
cout << "Registration Completed." << endl;
cout << "The password is your Student's ID." << endl;
}
void showStudent() {
cout << "INFORMATION:" << endl;
cout << "Registration number: " << reNum << endl;
cout << "Full Name: " << Person::getName() << endl;
cout << "Age: " << Person::getAge() << endl;
cout << "Student's ID: " << stuId << endl;
if (bBorrow == 1 ) {
cout << "Book borrowed: Yes" << endl;
}else {
cout << "Book borrowed: No" << endl;
}
}
void changeStudent() {
cout << "MODIFICATION:" << endl;
cout << "Please enter the new information of the student with ID " << stuId << " ." << endl;
cout << "Registration number: ";
cin >> reNum;
cout << "Full Name: ";
Person::getName();
cout << "Age: ";
Person::getAge();
}
};
//Class Teacher
class Teacher:public Person {
private:
string department;
string email;
public:
//Constructor
Teacher();
//Constructor with parameter declaration
Teacher(string name, int age, string department, string email):Person(name,age) {
this->department = department;
this->email = email;
}
// Setter and Getter
string getDepartment() {
return department;
}
void setDepartment(string department) {
this->department = department;
}
string getEmail() {
return email;
}
void setEmail(string email) {
this->email = email;
}
//Add a new teacher
void addTeacher() {
cout << "NEW TEACHER REGISTRATION" << endl;
cout << "Please enter your information:" << endl;
cout << "Name: ";
Person::getName();
cout << "Age: ";
Person::getAge();
cout << "Department: ";
cin >> department;
cout << "Email: ";
cin >> email;
cout << "Registration Completed." << endl;
cout << "Your password: hustteacher" << endl;
}
void showTeacher() {
cout << "INFORMATION:" << endl;
cout << "Full Name: " << Person::getName() << endl;
cout << "Age: " << Person::getAge() << endl;
cout << "Department: " << department << endl;
cout << "Email: " << email << endl;
}
};
//Declaration
fstream f,f1;
Book book;
Student stu;
Teacher tea;
//Input Books'Info into file BookInput.txt
void bookInput() {
int ans1;
fstream f("BookInput.txt", ios::out | ios::app);
do {
system("cls");
book.addBook();
f.write((char*)&book,sizeof(book));
cout << "Do you want to add more books? (1 for Yes, 2 for No)" << endl;
cin >> ans1;
}while(ans1 == 1);
f.close();
}
//Input Students'Info into file StudentInput.txt
void studentInput() {
char ans2;
fstream f("StudentInput.txt", ios::out | ios::app);
//do {
system("cls");
stu.addStudent();
f.write((char*)&stu,sizeof(stu));
//cout << "Do you want to add more students? " << endl;
//cin >> ans2;
//}while(ans2 == 'Y' | ans2 == 'y' | ans2 == 'Yes' | ans2 == 'yes');
f.close();
}
//Input Teachers'Info into file TeacherInput.txt
void teacherInput() {
fstream f("TeacherInput.txt", ios::out | ios::app);
system("cls");
tea.addTeacher();
f.write((char*)&tea,sizeof(tea));
f.close();
}
//Search Book and display
void searchBook(int n) {
int temp = 0;
int in;
string nam;
//Search by ID
if(n == 1) {
cout << "Please enter the ID: ";
cin >> in;
system("cls");
fstream f("BookInput.txt", ios::in);
while(f.read((char*)&book,sizeof(book))) {
if(book.getBookId()== in ) {
book.showBook();
temp = 1;
}
}
f.close();
if(temp == 0) {
cout << "Sorry! This book is not in the library or you have typed the wrong ID." << endl;
}
}else if ( n == 2) { // Seach by Book's name
cout << "Please enter book's name: ";
cin >> nam;
fstream f("BookInput.txt", ios::in);
while(f.read((char*)&book,sizeof(book))) {
if(book.getName() == nam) {
book.showBook();
temp = 1;
}
}
f.close();
if(temp == 0) {
cout << "Sorry! This book is not in the library or you have typed the wrong name." << endl;
}
}else {
cout << "Please enter correct syntax.";
}
}
// Search Student
void searchStudent(int ins) {
int temp = 0;
cout << "STUDENT INFORMATION: " << endl;
fstream f("StudentInput.txt", ios::in);
while(f.read((char*)&stu,sizeof(stu))) {
if(stu.getStuId() == ins) {
stu.showStudent();
temp = 1;
}
}
f.close();
if(temp == 0) {
cout << "Sorry! Student cannot be found." << endl;
}
}
// Change Book's information
void bookChange() {
int id;
int temp = 0;
system("cls");
cout << "Please enter the ID of book you want to change: ";
cin >> id;
fstream f("BookInput.txt", ios::out | ios::in);
while(f.read((char*)&book,sizeof(book)) && temp == 0) {
if(id == book.getBookId()) {
cout << "CURRENT INFORMATION: " << endl;
book.showBook();
book.changeBook();
f.write((char*)&book,sizeof(book));
temp = 1;
}
}
f.close();
if(temp == 0) {
cout << "BOOK NOT FOUND." << endl;
}
}
// Change Student's information
void studentChange() {
int id;
int temp = 0;
system("cls");
cout << "Please enter the ID of student you want to change: ";
cin >> id;
fstream f("StudentInput.txt", ios::out | ios::in);
while(f.read((char*)&stu,sizeof(stu)) && temp == 0) {
if(id == stu.getStuId()) {
cout << "CURRENT INFORMATION: " << endl;
stu.showStudent();
stu.changeStudent();
f.write((char*)&stu,sizeof(stu));
temp = 1;
}
}
f.close();
if(temp == 0) {
cout << "STUDENT NOT FOUND." << endl;
}
}
// Display all books
void display() {
system("cls");
fstream f("BookInput.txt", ios::in);
cout << "______________________________________________________________" << endl;
cout << "__________________________INFORMATION_________________________" << endl;
cout << setw(30) << "ID" << setw(30) << "NAME" << setw(30) << "AUTHOR" << setw(30) << "AMOUNT" << endl;
cout << "______________________________________________________________" << endl;
while(f.read((char*)&book,sizeof(book))) {
book.display();
}
f.close();
}
// Borrow book
void borrow() {
int i,n; // ID
int found = 0,temp = 0;
string ans;
string trueA = "Y";
system("cls");
cout << "==============BORROW==============" << endl;
cout << "Enter your ID: ";
cin >> i ;
fstream f("StudentInput.txt", ios::in | ios:: out);
fstream f1("BookInput.txt", ios::in | ios:: out);
while(f.read((char*)&stu,sizeof(stu)) && found==0) {
if(i == stu.getStuId()) {
found = 1;
if(stu.getBBorrow() == 0) {
cout << "Enter book ID: ";
cin >> n;
while(f1.read((char*)&book,sizeof(book)) && temp==0) {
if (n == book.getBookId()) {
book.showBook();
temp = 1;
cout << "Do you want to borrow this book? (Y or N)" << endl;
cin >> ans;
if (ans == trueA) {
stu.addBBorrow();
f.write((char*)&stu,sizeof(stu));
cout << "Book is borrowed successfully. Please note the day you borrow and return the book to the library within 15 days." << endl;
cout << "THANK YOU!" << endl;
}
}
}
if(temp == 0) {
cout << "Book does not exist." << endl;
}
} else {
cout << "You havent't returned the previous book!" << endl;
}
}
}
if(found == 0) {
cout << "STUDENT NOT FOUND." << endl;
}
f.close();
f1.close();
}
// Student
void student() {
char x;
string n;
int i1,i2,i3;
int temp = 0;
system("cls");
cout << "Are you a new student? (Y or N) " << endl;
cin >> x;
if(x == 'Y' || x == 'y') {
studentInput();
}
cout << "LOG IN" <<endl;
cout << "Full Name: ";
cin >> n;
cout << "Password: ";
cin >> i1;
fstream f("StudentInput.txt", ios::in);
while(f.read((char*)&stu,sizeof(stu)) && temp == 0) {
if(i1 == stu.getStuId() && n == stu.getName() ) {
system("cls");
cout << "Login successful." << endl;
cout << "Welcome " << n << endl;
cout << "_________________________________" << endl;
cout << "1. SEARCH A BOOK." << endl;
cout << "2. DISPLAY ALL BOOKS." << endl;
cout << "3. BORROW A BOOK." <<endl;
cout << "4. EXIT." << endl;
cout << "_________________________________" << endl;
cout << "Please choose one option: ";
cin >> i2;
switch(i2) {
case 1: system("cls");
cout << "_________________________________" << endl;
cout << "Search book by: " << endl;
cout << "1. ID." << endl;
cout << "2. NAME." << endl;
cout << "_________________________________" << endl;
cin >> i3;
searchBook(i3);
break;
case 2: system("cls");
display();
break;
case 3: borrow();
break;
case 4: exit(0);
}
temp = 1;
}
}
if(temp == 0) {
student();
}
}
//Teacher
void teacher() {
int in,i2,s,i3;
string n,i1;
string pass = "hustteacher";
int temp = 0;
system("cls");
cout << "Hello. If this is your first login, please enter 1. If not please enter any number." << endl;
cin >> in;
if(in == 1) {
teacherInput();
}
cout << "LOG IN" <<endl;
cout << "Full Name: ";
cin >> n;
cout << "Password: ";
cin >> i1;
fstream f("TeacherInput.txt", ios::in);
while(f.read((char*)&tea,sizeof(tea)) && temp == 0) {
if(i1 == pass && n == tea.getName() ) {
system("cls");
cout << "Login successful." << endl;
cout << "Welcome! " << endl;
cout << "_________________________________" << endl;
cout << "1. SEARCH A BOOK." << endl;
cout << "2. DISPLAY ALL BOOKS." << endl;
cout << "3. BORROW A BOOK." <<endl;
cout << "4. CHANGE A BOOK'S INFORMATION." <<endl;
cout << "5. INPUT STUDENTS INFORMATION." <<endl;
cout << "6. SEARCH A STUDENT." <<endl;
cout << "7. CHANGE A STUDENT'S INFORMATION." <<endl;
cout << "8. EXIT." << endl;
cout << "_________________________________" << endl;
cout << "Please choose one option: ";
cin >> i2;
switch(i2) {
case 1: system("cls");
cout << "_________________________________" << endl;
cout << "Search book by: " << endl;
cout << "1. ID." << endl;
cout << "2. NAME." << endl;
cout << "_________________________________" << endl;
cin >> i3;
searchBook(i3);
break;
case 2: system("cls");
display();
break;
case 3: borrow();
break;
case 4: bookChange();
break;
case 5: studentInput();
break;
case 6: cout << "Please input the student's ID: ";
cin >> s;
searchStudent(s);
break;
case 7: studentChange();
break;
case 8: exit(0);
}
temp == 1;
}
}
if(temp == 0) {
cout << "TEACHER NOT FOUND" << endl;
}
}
//Main
int main() {
int c;
do {
system("cls");
cout << "=============WELCOME=============" << endl;
cout << "Please choose one option: " << endl;
cout << "1. STUDENT" << endl;
cout << "2. TEACHER" << endl;
cout << "3. EXIT" << endl;
cin >> c;
if(c == 1) {
student();
break;
}else if (c == 2) {
teacher();
break;
}else {
exit(0);
}
}while( c != 4);
return 0;
}
Compiling Program...
Standard Input:
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Text
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