Project 3

Here is the code :

#include <iostream>
#include <vector>
#include <string>
#include <fstream>
using namespace std;

enum Type
{
    PETROL,
    DIESEL,
    ELECTRIC
};

class Vehicle
{
protected:
    string make;
    string model;
    int year;
    int odometer;

public:
    Vehicle(const string &make, const string &model, int year, int odometer) : make(make),
                                                                               model(model),
                                                                               year(year),
                                                                               odometer(odometer) {}

    string getMake()
    {
        return make;
    }
    string getModel()
    {
        return model;
    }
    int getYear()
    {
        return year;
    }
    int getOdometer()
    {
        return odometer;
    }

    void setMake(const string &make)
    {
        this->make = make;
    }
    void setModel(const string &model)
    {
        this->model = model;
    }
    void setYear(int year)
    {
        this->year = year;
    }
    void setOdometer(int odometer)
    {
        this->odometer = odometer;
    }

    virtual Type getType() = 0;

    void checkTireRotation()
    {

        int distanceRun = odometer;
        if (distanceRun >= 50000)
        {
            cout << "Tire rotation needed." << endl;
        }
        else
        {
            cout << "Tire rotation not needed." << endl;
        }
    }

    void getCarInformation()
    {
        cout << "Make: " << make << endl;
        cout << "Model: " << model << endl;
        cout << "Year: " << year << endl;
        cout << "Odometer Reading: " << odometer << " km" << endl;
    }
};

class PetrolCar : public Vehicle
{
public:
    PetrolCar(const string &make, const string &model, int year, int odometer) : Vehicle(make, model, year, odometer) {}

    Type getType() override { return Type::PETROL; }

    string getFuelType() { return "Petrol"; }
};

class DieselCar : public Vehicle
{
public:
    DieselCar(const string &make, const string &model, int year, int odometer) : Vehicle(make, model, year, odometer) {}

    Type getType() override { return Type::DIESEL; }

    string getFuelType() { return "Diesel"; }
};
class ElectricCar : public Vehicle
{
public:
    ElectricCar(const string &make, const string &model, int year, int odometer) : Vehicle(make, model, year, odometer) {}

    Type getType() override { return Type::ELECTRIC; }

    string getFuelType() { return "Electric"; }

    void checkChargerPower()
    {
        int distanceRun = odometer % 400; // Recharge needed every 400 km
        if (distanceRun >= 0)
        {
            cout << "Charger power check needed." << endl;
        }
        else
        {
            cout << "Charger power check not needed." << endl;
        }
    }
};

void displayMenu()
{
    cout << "====================================\n";
    cout << "          VEHICLE INVENTORY         \n";
    cout << "====================================\n";
    cout << "   0. Quit.\n";
    cout << "   1. List inventory.\n";
    cout << "   2. Add vehicle.\n";
    cout << "   3. Update vehicle.\n";
    cout << "   4. Remove vehicle.\n";
    cout << "   5. Tire Rotation.\n";
    cout << "   6. Oil Change.\n";
    cout << "   7. Recharge.\n";
    cout << "====================================\n";
    cout << "Enter your choice: ";
}

int main()
{
    int Vehicle_Type, Oddometer, year;
    string maker, model;
    cout << "Welcome to Vehicle maintanence" << endl;
    Starting:
    displayMenu();
    int x;
    cin >> x;

    if (x == 0)
    {
        exit(0);
    }
    else if (x == 1)
    {
        ifstream inFile;
        inFile.open("inventory2.txt", ios::in);

        if (inFile.is_open())
        {
            string line;
            while (getline(inFile, line))
            {
                cout << line << endl;
            }
            inFile.close();
        }
        else
        {
            cout << "Failed to open the file." << endl;
        }
    }
    else if (x == 2)
    {
    Input:

        cout << "Which type of vehicle you have? " << endl
             << "Enter 1 for Petrol" << endl
             << "Enter 2 for Deisel" << endl
             << "Enter 3 for Electric" << endl;

        cin >> Vehicle_Type;
        cout << "Type Name of the maker of the vehicle: " << endl;
        cin >> maker;
        cout << "What is the model of the vehicle? " << endl;
        cin >> model;
        cout << "What is the the purchase year " << endl;
        cin >> year;
        cout << "Reading in oddometer ? " << endl;
        cin >> Oddometer;
        if (Vehicle_Type = 1)
        {
            PetrolCar newcar(maker, model, year, Oddometer);

            newcar.getCarInformation();
            newcar.checkTireRotation();
            ofstream outFile;
            outFile.open("Inventory2.txt", ios::out);
            if (outFile.is_open())
            {
                outFile << "The Maker of the car is " << maker << endl;
                outFile << "The model of the car is " << model << endl;
                outFile << "The year of purchase of the car is " << year << endl;
                outFile << "The oddometer rating of the car is " << Oddometer << endl;
                outFile.close();
                cout << "Your Inventory is updated" << endl;
            }
            else
            {
                cout << "Failed to open the file." << endl;
            }
        }
        if (Vehicle_Type = 2)
        {
            DieselCar newcar(maker, model, year, Oddometer);
            newcar.getCarInformation();
            newcar.checkTireRotation();
            ofstream outFile;
            outFile.open("Inventory2.txt", ios::out);
            if (outFile.is_open())
            {
                outFile << "The Maker of the car is " << maker << endl;
                outFile << "The model of the car is " << model << endl;
                outFile << "The year of purchase of the car is " << year << endl;
                outFile << "The oddometer rating of the car is " << Oddometer << endl;
                outFile.close();
                cout << "Your Inventory is updated" << endl;
            }
            else
            {
                cout << "Failed to open the file." << endl;
            }
        }
        if (Vehicle_Type = 3)
        {
            ElectricCar newcar(maker, model, year, Oddometer);
            newcar.getCarInformation();
            newcar.checkTireRotation();
            newcar.checkChargerPower();
            ofstream outFile;
            outFile.open("Inventory2.txt", ios::out);
            if (outFile.is_open())
            {
                outFile << "The Maker of the car is " << maker << endl;
                outFile << "The model of the car is " << model << endl;
                outFile << "The year of purchase of the car is " << year << endl;
                outFile << "The oddometer rating of the car is " << Oddometer << endl;
                outFile.close();
                cout << "Your Inventory is updated" << endl;
            }
            else
            {
                cout << "Failed to open the file." << endl;
            }
        }
    }

    else if (x == 3)
    {
        int update_reading;
        cout << "Do you want to update the vehicle reading ?" << endl;
        cout << "Enter 1 for yes and 2 for NO" << endl;
        cin >> update_reading;
        if (update_reading == 1)
        {
            goto Input;
        }
        else
        {
            cout << "Thank you" << endl;
        }
    }

    else if (x == 4)
    {
        ofstream file("inventory2.txt", ios::out | ios::trunc);

        if (file.is_open())
        {
            file.close();
            cout << "Inventory cleared successfully." << endl;
        }
        else
        {
            cout << "Failed to open the Inventory." << endl;
        }
    }

    else if (x==6 || x==7)
    {
        goto Input;
    }

    else 
    {
        cout<<"Try again and enter correct details"<<endl;
        goto Starting;
    }

    return 0;
}