StockItemHistoricalSellingPrice.cs :  » Persistence-Frameworks » Ubik » StoresAndStockPricing » Model » C# / CSharp Open Source

using System;
using System.Collections.Generic;
using System.Text;
using Ubik.Engine.Client;

namespace StoresAndStockPricing.Model{
  /// <summary>
  /// Price of a stock item at a retail store for a time period that is in the past.
  /// </summary>
  public class StockItemHistoricalSellingPrice : Individual
  {
    private TrackedReference<StockItem> _stockItem;
    private TrackedReference<RetailStore> _retailStore;
    private TrackedProperty<decimal> _sellingPrice;
    private TrackedProperty<DateTime> _effectiveFrom;
    private TrackedProperty<DateTime> _effectiveUntil;

    protected StockItemHistoricalSellingPrice(Session session)
      : base(session)
    {
      _stockItem = new TrackedReference<StockItem>(this, "StockItem");
      _retailStore = new TrackedReference<RetailStore>(this, "RetailStore");
      _sellingPrice = new TrackedProperty<decimal>(this, "SellingPrice");
      _effectiveFrom = new TrackedProperty<DateTime>(this, "EffectiveFrom");
      _effectiveUntil = new TrackedProperty<DateTime>(this, "EffectiveUntil");
    }

    public StockItemHistoricalSellingPrice(
      Session session,
      StockItem stockItem,
      RetailStore retailStore,
      decimal sellingPrice,
      DateTime effectiveFrom
    )
      : this(session)
    {
      if (stockItem == null)
        throw new ArgumentNullException("stockItem");

      if (retailStore == null)
        throw new ArgumentNullException("retailStore");

      StockItemSellingPrice.ValidateSellingPrice(sellingPrice);

      DateTime changeTime = EngineDateTime.UtcNow;
      if (effectiveFrom > changeTime)
        throw new ArgumentOutOfRangeException("effectiveFrom");

      _effectiveFrom.Reset(effectiveFrom);
      _effectiveUntil.Reset(changeTime);
      _stockItem.Reset(stockItem);
      _retailStore.Reset(retailStore);
      _sellingPrice.Reset(sellingPrice);
    }

    public decimal SellingPrice
    {
      get
      {
        return _sellingPrice.Value;
      }
    }

    public DateTime EffectiveFrom
    {
      get
      {
        return _effectiveFrom.Value;
      }
    }

    public DateTime EffectiveUntil
    {
      get
      {
        return _effectiveUntil.Value;
      }
    }

    public RetailStore RetailStore
    {
      get
      {
        return _retailStore.Value;
      }
    }

    public StockItem StockItem
    {
      get
      {
        return _stockItem.Value;
      }
    }
  }
}