trikitrok

<?php

interface Customer {
    public function getEarnedDiscount(): float;

    public function addToOrdersHistory(Order $order): void;
}

// Null Customer's implementation
class NotFoundCustomer implements Customer {

trikitrok

public interface Customer
{
    double GetEarnedDiscount();

    void AddToOrdersHistory(Order order);
}

// Null Customer's implementation
public class NotFoundCustomer : Customer
{

trikitrok

public interface Customer {
    double getEarnedDiscount();

    void addToOrdersHistory(Order order);
}

// Null Customer's implementation
public class NotFoundCustomer implements Customer {
    private final double DEFAULT_DISCOUNT = 1.0;

trikitrok

public class Coordinates {
    public int x;
    public int y;

    public Coordinates(int x, int y) {
        this.x = x;
        this.y = y;
    }
}

trikitrok

public class PageSEO {
  Page calculate(Page current, Search search) {
    // ...
  }
}

trikitrok

public interface IndexationCalculator {
  Page update(Page current, Search search);
}

public interface CanonicalCalculator {
  Page update(Page current, Search search);
}

public class Page {
  public bool isIndexed;

trikitrok

using NUnit.Framework;

namespace Gilded_rose.Test;

public class GildRoseTest
{
    private const int MinQuality = 0;
    private const int MaxQuality = 50;
    
    [Test]

trikitrok

using NUnit.Framework;
using static ArgentRose.Tests.ArgentRoseStoreForTesting;

namespace ArgentRose.Tests;

public class ArgentRoseStoreTest
{
    private const int MinQuality = 0;
    private const int MaxQuality = 50;
    private const int SellInLastDay = 0;

trikitrok

using NUnit.Framework;
using static ArgentRose.Tests.ArgentRoseStoreForTesting;

namespace ArgentRose.Tests;

public class ArgentRoseStoreTest
{
    [Test]
    public void Regular_Product_Decreases_Quality_By_Two()
    {

trikitrok

// an abstract Rule class that each of our business rules will extend.

public abstract class Rule
{
    private readonly Rule nextRule;

    protected Rule(Rule nextRule)
    {
        this.nextRule = nextRule;
    }