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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. #include <algorithm>
  5.  
  6. using namespace std;
  7.  
  8. class user {
  9. protected:
  10.     string name, username, password, phone_number, email_address, role;
  11.  
  12. public:
  13.     user(string name, string username, string password, string phone_number, string email_address, string role)
  14.         : name(name), username(username), password(password), phone_number(phone_number), email_address(email_address), role(role) {}
  15.  
  16.     virtual void login() {
  17.         cout << "Logging in as " << role << endl;
  18.     }
  19.  
  20.     void logout() {
  21.         cout << "Logging out...\n";
  22.     }
  23.  
  24.     void change_password(string new_password) {
  25.         password = new_password;
  26.         cout << "Password changed successfully.\n";
  27.     }
  28. };
  29.  
  30. class book {
  31. private:
  32.     string title, author, genre;
  33.     int number_of_copies;
  34.  
  35. public:
  36.     book(string title, string author, string genre, int number_of_copies)
  37.         : title(title), author(author), genre(genre), number_of_copies(number_of_copies) {}
  38.  
  39.     bool is_available() {
  40.         return number_of_copies > 0;
  41.     }
  42.  
  43.     void checkout() {
  44.         if (is_available()) {
  45.             number_of_copies--;
  46.             cout << "Checked out: " << title << endl;
  47.         } else {
  48.             cout << "No copies available for checkout.\n";
  49.         }
  50.     }
  51.  
  52.     void check_in() {
  53.         number_of_copies++;
  54.         cout << "Checked in: " << title << endl;
  55.     }
  56.  
  57.     string get_title() const {
  58.         return title;
  59.     }
  60. };
  61.  
  62. class magazine {
  63. private:
  64.     string title, publisher, publication_date;
  65.     bool available;
  66.  
  67. public:
  68.     magazine(string title, string publisher, string publication_date, bool available)
  69.         : title(title), publisher(publisher), publication_date(publication_date), available(available) {}
  70.  
  71.     bool is_available() {
  72.         return available;
  73.     }
  74.  
  75.     void checkout() {
  76.         if (is_available()) {
  77.             available = false;
  78.             cout << "Checked out: " << title << endl;
  79.         } else {
  80.             cout << "Magazine not available for checkout.\n";
  81.         }
  82.     }
  83.  
  84.     void check_in() {
  85.         available = true;
  86.         cout << "Checked in: " << title << endl;
  87.     }
  88.  
  89.     string get_title() const {
  90.         return title;
  91.     }
  92. };
  93.  
  94. class patron : public user {
  95. private:
  96.     string library_card_number, address;
  97.  
  98. public:
  99.     patron(string name, string username, string password, string phone_number, string email_address, string library_card_number, string address)
  100.         : user(name, username, password, phone_number, email_address, "Patron"), library_card_number(library_card_number), address(address) {}
  101.  
  102.     void search_and_checkout_book(vector<book>& books, string title) {
  103.         for (auto& b : books) {
  104.             if (b.get_title() == title) {
  105.                 b.checkout();
  106.                 return;
  107.             }
  108.         }
  109.         cout << "Book not available.\n";
  110.     }
  111.  
  112.     void search_and_checkout_magazine(vector<magazine>& magazines, string title) {
  113.         for (auto& m : magazines) {
  114.             if (m.get_title() == title) {
  115.                 m.checkout();
  116.                 return;
  117.             }
  118.         }
  119.         cout << "Magazine not available.\n";
  120.     }
  121. };
  122.  
  123. class librarian : public user {
  124. private:
  125.     string employee_id, department;
  126.  
  127. public:
  128.     librarian(string name, string username, string password, string phone_number, string email_address, string employee_id, string department)
  129.         : user(name, username, password, phone_number, email_address, "Librarian"), employee_id(employee_id), department(department) {}
  130.  
  131.     void add_book(vector<book>& books, string title, string author, string genre, int number_of_copies) {
  132.         books.emplace_back(title, author, genre, number_of_copies);
  133.         cout << "Book added: " << title << endl;
  134.     }
  135.  
  136.     void delete_book(vector<book>& books, string title) {
  137.         auto it = find_if(books.begin(), books.end(), [&title](const book& b) { return b.get_title() == title; });
  138.         if (it != books.end()) {
  139.             books.erase(it);
  140.             cout << "Book deleted: " << title << endl;
  141.         } else {
  142.             cout << "Book not found.\n";
  143.         }
  144.     }
  145.  
  146.     void add_magazine(vector<magazine>& magazines, string title, string publisher, string publication_date, bool available) {
  147.         magazines.emplace_back(title, publisher, publication_date, available);
  148.         cout << "Magazine added: " << title << endl;
  149.     }
  150.  
  151.     void delete_magazine(vector<magazine>& magazines, string title) {
  152.         auto it = find_if(magazines.begin(), magazines.end(), [&title](const magazine& m) { return m.get_title() == title; });
  153.         if (it != magazines.end()) {
  154.             magazines.erase(it);
  155.             cout << "Magazine deleted: " << title << endl;
  156.         } else {
  157.             cout << "Magazine not found.\n";
  158.         }
  159.     }
  160. };
  161.  
  162. int main() {
  163.     vector<book> books;
  164.     vector<magazine> magazines;
  165.  
  166.     string name, username, password, phone_number, email_address, role;
  167.     cout << "Enter your name: ";
  168.     getline(cin, name);
  169.     cout << "Enter your username: ";
  170.     getline(cin, username);
  171.     cout << "Enter your password: ";
  172.     getline(cin, password);
  173.     cout << "Enter your phone number: ";
  174.     getline(cin, phone_number);
  175.     cout << "Enter your email address: ";
  176.     getline(cin, email_address);
  177.     cout << "Enter your role (Patron or Librarian): ";
  178.     getline(cin, role);
  179.  
  180.     if (role == "Patron") {
  181.         string library_card_number, address;
  182.         cout << "Enter your library card number: ";
  183.         getline(cin, library_card_number);
  184.         cout << "Enter your address: ";
  185.         getline(cin, address);
  186.  
  187.         patron user(name, username, password, phone_number, email_address, library_card_number, address);
  188.  
  189.         string search_title;
  190.         cout << "Enter the title of the book or magazine you're looking for: ";
  191.         getline(cin, search_title);
  192.  
  193.         user.search_and_checkout_book(books, search_title);
  194.         user.search_and_checkout_magazine(magazines, search_title);
  195.  
  196.     } else if (role == "Librarian") {
  197.         string employee_id, department;
  198.         cout << "Enter your employee ID: ";
  199.         getline(cin, employee_id);
  200.         cout << "Enter your department: ";
  201.         getline(cin, department);
  202.  
  203.         librarian user(name, username, password, phone_number, email_address, employee_id, department);
  204.  
  205.         int choice;
  206.         while (true) {
  207.             cout << "Choose an option:\n1. Add Book\n2. Delete Book\n3. Add Magazine\n4. Delete Magazine\n5. Exit\n";
  208.             cin >> choice;
  209.             cin.ignore();
  210.  
  211.             if (choice == 1) {
  212.                 string title, author, genre;
  213.                 int copies;
  214.                 cout << "Enter book title: ";
  215.                 getline(cin, title);
  216.                 cout << "Enter book author: ";
  217.                 getline(cin, author);
  218.                 cout << "Enter book genre: ";
  219.                 getline(cin, genre);
  220.                 cout << "Enter number of copies: ";
  221.                 cin >> copies;
  222.                 cin.ignore();
  223.                 user.add_book(books, title, author, genre, copies);
  224.             } else if (choice == 2) {
  225.                 string title;
  226.                 cout << "Enter book title to delete: ";
  227.                 getline(cin, title);
  228.                 user.delete_book(books, title);
  229.             } else if (choice == 3) {
  230.                 string title, publisher, publication_date;
  231.                 bool available;
  232.                 cout << "Enter magazine title: ";
  233.                 getline(cin, title);
  234.                 cout << "Enter publisher: ";
  235.                 getline(cin, publisher);
  236.                 cout << "Enter publication date: ";
  237.                 getline(cin, publication_date);
  238.                 cout << "Is it available (1 for Yes, 0 for No): ";
  239.                 cin >> available;
  240.                 cin.ignore();
  241.                 user.add_magazine(magazines, title, publisher, publication_date, available);
  242.             } else if (choice == 4) {
  243.                 string title;
  244.                 cout << "Enter magazine title to delete: ";
  245.                 getline(cin, title);
  246.                 user.delete_magazine(magazines, title);
  247.             } else if (choice == 5) {
  248.                 break;
  249.             } else {
  250.                 cout << "Invalid choice. Try again.\n";
  251.             }
  252.         }
  253.     } else {
  254.         cout << "Invalid role! Please enter either 'Patron' or 'Librarian'.\n";
  255.     }
  256.  
  257.     return 0;
  258. }
  259.  
Success #stdin #stdout 0s 5256KB
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stdin
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Standard input is empty
stdout
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Enter your name: Enter your username: Enter your password: Enter your phone number: Enter your email address: Enter your role (Patron or Librarian): Invalid role! Please enter either 'Patron' or 'Librarian'.
https://ideone.com/rGqOgN
language:
C++ (gcc 8.3)
created:
282 days ago
visibility:
public

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