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Bookshop management system using file handling

  • Difficulty Level : Medium
  • Last Updated : 04 Feb, 2021

The task is to build the bookshop management system using file handling in C++ that helps to keep track of all the book records in a file. Below are the features to be implemented:

  • Add new book and the details of the book are:
    • Book ID
    • Name of book
    • Name of Author
    • Number of books
  • Delete a book
  • Update a book
  • View all the books
  • Exit

Approach:

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  • All the functions will be provided under switch cases.
  • The concept of file handling will be used to write the data in a text file and read the written data as well.
  • The required function will be written under the switch cases which will be executed as per the input of the user.
  • Simple file handing concepts like opening a file, closing a file, writing in a file and reading the file, etc. are used to develop the code.
  • An IDE for compiling C++ language code.

Below is the implementation of the above approach:

C++




// C++ program to illustrate bookshop
// management system using File Handling
#include <fstream>
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
using namespace std;
  
// Bookshop Class
class bookshope {
public:
    void control_panel();
    void add_book();
    void show_book();
    void check_book();
    void update_book();
    void del_book();
};
  
// Function to display the menus
void bookshope::control_panel()
{
    system("cls");
    cout << "\n\n\t\t\t\tCONTROL  PANEL";
    cout << "\n\n1. ADD BOOK";
    cout << "\n2. DISPLAY BOOKS";
    cout << "\n3. CHECK PARTICULAR BOOK";
    cout << "\n4. UPDATE BOOK";
    cout << "\n5. DELETE BOOK";
    cout << "\n6. EXIT";
}
  
// Function to add book
void bookshope::add_book()
{
    system("cls");
    fstream file;
    int no_copy;
    string b_name, a_name, b_id;
    cout << "\n\n\t\t\t\tADD BOOKS";
    cout << "\n\nBook ID : ";
    cin >> b_id;
    cout << "\nBook Name : ";
    cin >> b_name;
    cout << "\nAuthor Name : ";
    cin >> a_name;
    cout << "\nNo. of Books : ";
    cin >> no_copy;
  
    // Open file in append or
    // output mode
    file.open("D:// book.txt",
              ios::out | ios::app);
    file << " " << b_id << " "
         << b_name << " " << a_name
         << " " << no_copy << "\n";
    file.close();
}
  
// Function to display book
void bookshope::show_book()
{
    system("cls");
    fstream file;
    int no_copy;
    string b_name, b_id, a_name;
    cout << "\n\n\t\t\t\t\tAll BOOKS";
  
    // Open the file in input mode
    file.open("D:// book.txt", ios::in);
    if (!file)
        cout << "\n\nFile Opening Error!";
    else {
  
        cout << "\n\n\nBook ID\t\tBook"
             << "\t\tAuthor\t\tNo. of "
                "Books\n\n";
        file >> b_id >> b_name;
        file >> a_name >> no_copy;
  
        // Till end of file is reached
        while (!file.eof()) {
  
            cout << "  " << b_id
                 << "\t\t" << b_name
                 << "\t\t" << a_name
                 << "\t\t" << no_copy
                 << "\n\n";
            file >> b_id >> b_name;
            file >> a_name >> no_copy;
        }
  
        system("pause");
  
        // Close the file
        file.close();
    }
}
  
// Function to check the book
void bookshope::check_book()
{
    system("cls");
    fstream file;
    int no_copy, count = 0;
    string b_id, b_name, a_name, b_idd;
  
    cout << "\n\n\t\t\t\tCheck "
         << "Particular Book";
  
    // Open the file in input mode
    file.open("D:// book.txt", ios::in);
    if (!file)
        cout << "\n\nFile Opening Error!";
    else {
  
        cout << "\n\nBook ID : ";
        cin >> b_idd;
        file >> b_id >> b_name;
        file >> a_name >> no_copy;
  
        while (!file.eof()) {
  
            if (b_idd == b_id) {
  
                system("cls");
                cout << "\n\n\t\t\t\t"
                     << "Check Particular Book";
                cout << "\n\nBook ID : "
                     << b_id;
                cout << "\nName : "
                     << b_name;
                cout << "\nAuthor : "
                     << a_name;
                cout << "\nNo. of Books : "
                     << no_copy;
                cout << endl
                     << endl;
                count++;
                break;
            }
            file >> b_id >> b_name;
            file >> a_name >> no_copy;
        }
        system("pause");
        file.close();
        if (count == 0)
            cout << "\n\nBook ID Not"
                 << " Found...";
    }
}
  
// Function to update the book
void bookshope::update_book()
{
    system("cls");
    fstream file, file1;
    int no_copy, no_co, count = 0;
    string b_name, b_na, a_name;
    string a_na, b_idd, b_id;
  
    cout << "\n\n\t\t\t\tUpdate Book Record";
    file1.open("D:// book1.txt",
               ios::app | ios::out);
    file.open("D:// book.txt", ios::in);
  
    if (!file)
        cout << "\n\nFile Opening Error!";
    else {
  
        cout << "\n\nBook ID : ";
        cin >> b_id;
        file >> b_idd >> b_name;
        file >> a_name >> no_copy;
  
        // Till end of file is reached
        while (!file.eof()) {
            if (b_id == b_idd) {
                system("cls");
                cout << "\t\t\t\t"
                     << "Update Book Record";
                cout << "\n\nNew Book Name : ";
                cin >> b_na;
                cout << "\nAuthor Name : ";
                cin >> a_na;
                cout << "\nNo. of Books : ";
                cin >> no_co;
                file1 << " " << b_id << " "
                      << b_na << " "
                      << a_na << " " << no_co
                      << "\n\n";
                count++;
            }
            else
                file1 << " " << b_idd
                      << " " << b_name
                      << " " << a_name
                      << " " << no_copy
                      << "\n\n";
            file >> b_idd >> b_name;
            file >> a_name >> no_copy;
        }
        if (count == 0)
            cout << "\n\nBook ID"
                 << " Not Found...";
    }
    cout << endl;
    system("pause");
  
    // Close the files
    file.close();
    file1.close();
    remove("D:// book.txt");
    rename("D:// book1.txt",
           "D:// book.txt");
}
  
// Function to delete book
void bookshope::del_book()
{
    system("cls");
    fstream file, file1;
    int no_copy, count = 0;
    string b_id, b_idd, b_name, a_name;
    cout << "\n\n\t\t\t\tDelete a Book";
  
    // Append file in output mode
    file1.open("D:// book1.txt",
               ios::app | ios::out);
    file.open("D:// book.txt",
              ios::in);
  
    if (!file)
        cout << "\n\nFile Opening Error...";
    else {
  
        cout << "\n\nBook ID : ";
        cin >> b_id;
        file >> b_idd >> b_name;
        file >> a_name >> no_copy;
        while (!file.eof()) {
  
            if (b_id == b_idd) {
  
                system("cls");
                cout << "\n\n\t\t\t\t"
                     << "Delete a Book";
                cout << "\n\nBook is Deleted "
                        "Successfully...\n\n";
                count++;
            }
            else
                file1 << " " << b_idd
                      << " " << b_name
                      << " " << a_name
                      << " " << no_copy
                      << "\n\n";
            file >> b_idd >> b_name;
            file >> a_name >> no_copy;
        }
        if (count == 0)
            cout << "\n\nBook ID "
                 << "Not Found...";
    }
    system("pause");
  
    // Close the file
    file.close();
    file1.close();
    remove("D:// book.txt");
    rename("D:// book1.txt",
           "D:// book.txt");
}
  
// Function for book shop record
void bookShopRecord()
{
    int choice;
    char x;
    bookshope b;
  
    while (1) {
  
        b.control_panel();
        cout << "\n\nEnter your choice : ";
        cin >> choice;
        switch (choice) {
  
        case 1:
            do {
  
                b.add_book();
                cout << "\n\nWant to add"
                     << " another book? "
                        "(y/n) : ";
                cin >> x;
            } while (x == 'y');
            break;
  
        case 2:
            b.show_book();
            break;
  
        case 3:
            b.check_book();
            break;
        case 4:
            b.update_book();
            break;
  
        case 5:
            b.del_book();
            break;
  
        case 6:
            exit(0);
            break;
  
        default:
            cout << "\n\nINVALID CHOICE\n";
        }
    }
}
  
// Driver Code
int main()
{
    // Function Call
    bookShopRecord();
  
    return 0;
}

Output:




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