Samples/Castle/PetStore.Web/Controllers/State/CartState.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace PetStore.Web.Controllers.State
  16 {
  17         using System;
  18         using System.Collections;
  19
  20         /// <summary>
  21         /// Session state pattern to hold the
  22         /// cart data.
  23         /// </summary>
  24         [Serializable]
  25         public class CartState : IEnumerable
  26         {
  27                 private IList items = new ArrayList();
  28
  29                 public void Add(int quantity, int productId)
  30                 {
  31                         items.Add(new CartItem(quantity, productId));
  32                 }
  33
  34                 public void Remove(CartItem item)
  35                 {
  36                         items.Remove(item);
  37                 }
  38
  39                 public IList Items
  40                 {
  41                         get { return items; }
  42                 }
  43
  44                 public class CartItem
  45                 {
  46                         private readonly int quantity;
  47                         private readonly int productId;
  48
  49                         public CartItem(int quantity, int productId)
  50                         {
  51                                 this.quantity = quantity;
  52                                 this.productId = productId;
  53                         }
  54
  55                         public int Quantity
  56                         {
  57                                 get { return quantity; }
  58                         }
  59
  60                         public int ProductId
  61                         {
  62                                 get { return productId; }
  63                         }
  64                 }
  65
  66                 #region IEnumerable Members
  67
  68                 public IEnumerator GetEnumerator()
  69                 {
  70                         return items.GetEnumerator();
  71                 }
  72
  73                 #endregion
  74         }
  75 }