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GameServer/Contents/Cart/Cart.cs

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+using ServerCommon;
+using ServerCore; using ServerBase;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GameServer
+{
+    public class Cart : EntityBase
+    {
+        public Cart(Player parent) 
+            : base(EntityType.Cart, parent)
+        {
+        }
+
+        public override async Task<Result> onInit()
+        {
+            var direct_parent = getDirectParent();
+            NullReferenceCheckHelper.throwIfNull(direct_parent, () => $"direct_parent is null !!!");
+            addEntityAttribute(new CartAttribute(this, direct_parent));
+
+            return await base.onInit();
+        }
+
+        public override string toBasicString()
+        {
+            return $"{this.getTypeName()} - {getRootParent().toBasicString()}";
+        }
+
+        public override string toSummaryString()
+        {
+            return $"{this.getTypeName()} - {getRootParent().toBasicString()}";
+        }
+
+        public List<CartItemInfo> toCartItemData4Client()
+        {
+            var cart_item_list_4_client = new List<CartItemInfo>();
+            var cart_attribute = getEntityAttribute<CartAttribute>();
+            NullReferenceCheckHelper.throwIfNull(cart_attribute, () => $"cart_attribute is null !!!");
+
+            foreach (var cart_category_item in cart_attribute.CartItems)
+            {
+                foreach(var cartitem in cart_category_item.Value)
+                {
+                    CartItemInfo cart_item = new CartItemInfo();
+                    cart_item.BuyType = cart_category_item.Key.ToString();
+                    cart_item.ItemId = (Int32)cartitem.Key;
+                    cart_item.Count = cartitem.Value;
+                    cart_item_list_4_client.Add(cart_item);
+                }
+            }
+
+            return cart_item_list_4_client;
+        }
+    }
+}