Prog 2 Klausur Aufgabe 4

Aufgabe4i.cs

using System;
using System.Collections.Generic;

namespace Aufgabe4
{
  partial class WarehouseMmgt
  {
    private List<Item> specialList;

    public delegate void WM_InventoryCheck(Item i, ref bool addToList);

    public event WM_InventoryCheck InventoryCheck;

    public void InventoryInspection()
    {
            specialList = new List<Item>();

            if (InventoryCheck == null)
            {
                throw new NullReferenceException("No registered inspection method(s)");
            }

            foreach (Item item in itemList)
            {
                bool addToList = false;
                InventoryCheck(item, ref addToList);
                if (addToList)
                {
                    specialList.Add(item);
                }
            }
    }

    public string SpecialInventory() => GetItemNames("Sonderartikel", specialList);
  }

  partial class WH_Setup
  {
    public static string Testaufruf4235() => Testaufruf4234(IncomingGoods);

    public static string Testaufruf4234(Item[] items)
    {
      WarehouseMmgt whm = new WarehouseMmgt();

      whm.PlaceInStorage(items);

      whm.InventoryCheck += ItemExpiresSoon;
      whm.InventoryCheck += ItemOnSpecialList;

      whm.InventoryInspection();

      return whm.SpecialInventory();
    }

    private static void ItemOnSpecialList(Item i, ref bool addToList)
    {
        if (!addToList)
        {
            addToList = Array.Exists(OnSaleList, no => i.ItemNo == no);
        }
    }

    private static void ItemExpiresSoon(Item i, ref bool addToList)
    {
        if (!addToList)
        {
            addToList = (DateTime.Today - i.ExpirationDate).TotalDays <= 14;
        }
    }

    static readonly int[] OnSaleList = { 2000200, 2000400 };
  }
}