gistfile1.txt

#include <iostream>
using namespace std;

/*
Интерфейс Контроллер
*/
class Controller
{
public:
    virtual void start() = 0;
};

/*
Контроллер Банкомата
Наследуется от Controller
*/
class ATMController : public Controller
{
public:
    void start()
    {
        cout << "ATM Controller started" << endl;
    }
};

/*
Класс Транзакция Банкомата
*/
class Transaction
{
public:

    // Атрибуты

    int cardID;          // идентификатор карточки
    int pinValue;        // значение PIN
    int enteredPIN;      // введенный PIN
    double cashAmount;   // сумма

    // Операции

    void createTransaction()
    {
        cout << "Transaction created" << endl;
    }

    bool checkPIN()
    {
        return pinValue == enteredPIN;
    }

    void finishTransaction()
    {
        cout << "Transaction finished" << endl;
    }
};


/*
Контроллер Банка
*/
class BankController
{
public:

    bool checkCardID(int cardID)
    {
        return cardID > 0;
    }

    void openAccount(int cardID)
    {
        cout << "Account opened for card "
             << cardID << endl;
    }

    bool checkBalance(int cardID,
                      double amount)
    {
        if(amount <= 1000)
            return true;
        else
            return false;
    }

    bool reduceBalance(int cardID,
                       double amount)
    {
        if(amount <= 1000)
            return true;
        else
            return false;
    }
};


/*
Устройство чтения карточки
*/
class CardReader
{
public:

    int readCardID()
    {
        int id;

        cout << "Enter card ID: ";
        cin >> id;

        return id;
    }

    int readPIN()
    {
        int pin;

        cout << "Enter PIN: ";
        cin >> pin;

        return pin;
    }

    void returnCard()
    {
        cout << "Card returned" << endl;
    }

    void blockCard()
    {
        cout << "Card blocked" << endl;
    }
};


/*
Экран Банкомата
*/
class Screen
{
public:

    void showMenu()
    {
        cout << endl;
        cout << "1 - Withdraw money" << endl;
        cout << "2 - Exit" << endl;
    }

    void showWithdrawMenu()
    {
        cout << "Enter amount:" << endl;
    }
};


/*
Клавиатура Банкомата
*/
class Keyboard
{
public:

    int enterPIN()
    {
        int pin;

        cout << "Input PIN: ";
        cin >> pin;

        return pin;
    }

    bool enterTransactionType()
    {
        int type;

        cout << "Choose transaction (1-withdraw): ";
        cin >> type;

        if(type == 1)
            return true;
        else
            return false;
    }
};


/*
Главная программа
*/
int main()
{
    ATMController atm;
    Transaction transaction;
    BankController bank;
    CardReader reader;
    Screen screen;
    Keyboard keyboard;

    atm.start();

    transaction.createTransaction();

    // чтение карточки
    transaction.cardID = reader.readCardID();

    if(!bank.checkCardID(transaction.cardID))
    {
        cout << "Invalid card" << endl;
        reader.blockCard();
        return 0;
    }

    // ввод PIN
    transaction.enteredPIN =
            keyboard.enterPIN();

    transaction.pinValue = 1111;

    if(!transaction.checkPIN())
    {
        cout << "Wrong PIN" << endl;
        reader.blockCard();
        return 0;
    }

    screen.showMenu();

    if(keyboard.enterTransactionType())
    {
        screen.showWithdrawMenu();

        cin >> transaction.cashAmount;

        if(bank.checkBalance(
           transaction.cardID,
           transaction.cashAmount))
        {
            bank.reduceBalance(
            transaction.cardID,
            transaction.cashAmount);

            cout << "Money выдаются"
                 << endl;
        }
        else
        {
            cout << "Недостаточно средств"
                 << endl;
        }
    }

    transaction.finishTransaction();

    reader.returnCard();

    return 0;
}

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