G4G0-1/Semester 1/Programming 1/Homework 4/Website.java

/**
 * Represents a holiday website, where members can purchase holidays.
 * 
 * @George Wilkinson
 * @13/11/23
 */

import java.util.ArrayList;

public class Website
{    
    // Creates a String variable to hold the name of the website.
    private String websiteName;
    
    // Creates an integer variable to hold the amount of logins (hits).
    private int hits;
    
    // Creates an integer variable to hold the total sales in pounds.
    private double salesTotal;
    
    // Creates an array for the logged in members.
    private ArrayList<Member> loggedInList = new ArrayList<Member>();
    
    /**
     * Default constructor for objects of class Website
     */
    public Website()
    {
        websiteName = "Club 18";
        hits = 1257;
        salesTotal = 10592.0;
    }
    
    /**
     * Constructor for objects of class Website
     */
    public Website( String websiteName )
    {
        this.websiteName = websiteName;
        hits = 0;
        salesTotal = 0.0;
    }
    
    /**
     * Return website's name
     */
    public String getWebsiteName()
    {
        return websiteName;
    }
    
    /**
     * Return hit count of website
     */
    public int getHits()
    {
        return hits;
    }
    
    /**
     * Return total sales of holidays purchased through the website.
     */
    public double getSalesTotal()
    {
        return salesTotal;
    }
    
    /**
     * Return the logged in list ArrayList
     */
    public ArrayList<Member> getLoggedInList()
    {
        return loggedInList;
    }
    
    /**
     * Return the amount of users currently logged in
     */
    public int getNumberOfUsers()
    {
        return loggedInList.size();
    }
            
    /**
     * Set the website's name to a new value.
     */
    public void setWebsiteName( String websiteName )
    {
        this.websiteName = websiteName;
    }
    
    /**
     * Set the website's hit count to a new value.
     */
    public void setHits( int hits )
    {
        this.hits = hits;
    }
    
    /**
     * Set the total sales of the website to a new value.
     */
    public void setSalesTotal( double salesTotal )
    {
        this.salesTotal = salesTotal;
    }
    
    /**
     * Lists all members logged in by using a for each loop and accessing the member.toString() method.
     */
    public void listMembersLoggedIn()
    {
        for ( Member memberMessage : loggedInList ) 
        {
            System.out.println( memberMessage.toString() );
        }
    }
    
    /**
     * Allows the website to be logged into, taking a Member object as a parameter.
     */
    public void memberLogin( Member member )
    {
        if( !member.getLoggedInStatus() )
        {
            //User status to logged in
            member.setLoggedInStatus( true );
            loggedInList.add( member );
            
            //Assign to a website
            member.setWebsite( this );
            System.out.println( websiteName + " welcome member " + member.getMembershipNumber() + ", you are now logged in" );
            
            //Increment hits
            hits++;
        }
        else {
            System.out.println( "Current user is still logged in, please try again later." );
        }
    }
    
    /**
     * Allows the current user of the website to be logged out, as long as there is a user logged in.
     * The if statement here allows us to avoid a null reference error.
     */
    public void memberLogout( Member member )
    {
        if( member.getLoggedInStatus() )
        {
            //User status logged out
            member.setLoggedInStatus( false );
            loggedInList.remove( member );
            //No longer registered to a website
            member.setWebsite( null );
            System.out.println( websiteName + ": goodbye member " + member.getMembershipNumber() + ", you are now logged out" );
        }
        else
        {
            System.out.println( "User not logged in" );
        }
    }
    
    /**
     * Provides a checkout to the member buying a holiday. This will also apply the hit discount, 
     * and amend the purchase to the sales total field variable
     */
    public void checkout( Member member )
    {
        if( member.getHoliday() != null ) {
            //Stores the integer price of holiday as a double so it can be discounted.
            //This couldve been avoided by repeating redundant code but this is cleaner.
            double holidayPrice = ( member.getHoliday().getPrice() * ( member.getNumberOfCompanions() + 1 ) );
            
            if( checkHitDiscount() == true )
            {
                //Discounts price, hence why holidayPrice must be a double
                double credit = holidayPrice * 0.1;
                holidayPrice -= credit;
                
                // Reimburse the user for discount, since money is taken in payForHoliday
                member.setMoney( member.getMoney() + credit );
                System.out.println( "Congratulations! You are the 10th user to book a holiday, you will recieve a 10% discount on this holiday." );
            }
            
            //Add holiday price to running total
            salesTotal += holidayPrice;
            System.out.println("Your purchase totaling £" + holidayPrice + " was sucessful, user " + member.getMembershipNumber() + ", thank you for using Tops Travel.");
            member.setHoliday( null );
            memberLogout( member );
        }
        else
        {
            System.out.println( "You have not selected a holiday!" );
        }
    }
    
    /**
     * Returns true or false, depending on the current state of hit count.
     * Every 10th member, result is true
     */
    private boolean checkHitDiscount()
    {
        //hits mod 10, when hits is multiple of 10, return true.
        if ( hits > 0 )
            return ( hits % 10 ) == 0;
        else 
            return false;
    }
}