CarpentryWorkshop/CarpentryWorkshopBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -12,11 +12,13 @@ namespace CarpentryWorkshopBusinessLogic.BusinessLogics
     {
         private readonly ILogger _logger;
         private readonly IOrderStorage _orderStorage;
+        private readonly IShopStorage _shopStorage;
 
-        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
+        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage, IShopStorage shopStorage)
         {
             _logger = logger;
             _orderStorage = orderStorage;
+            _shopStorage = shopStorage;
         }
 
         public List<OrderViewModel>? ReadList(OrderSearchModel? model)
@@ -78,6 +80,22 @@ namespace CarpentryWorkshopBusinessLogic.BusinessLogics
 
         public bool DeliveryOrder(OrderBindingModel model)
         {
+            var order = _orderStorage.GetElement(new OrderSearchModel
+            {
+                Id = model.Id,
+            });
+            if (order == null)
+            {
+                throw new ArgumentNullException(nameof(order));
+            }
+            if (!_shopStorage.RestockingShops(new SupplyBindingModel
+            {
+                WoodId = order.WoodId,
+                Count = order.Count
+            }))
+            {
+                throw new ArgumentException("Недостаточно места");
+            }
             return ChangeStatus(model, OrderStatus.Выдан);
         }
 

CarpentryWorkshop/CarpentryWorkshopContracts/BindingModels/ShopBindingModel.cs

@@ -9,5 +9,6 @@ namespace CarpentryWorkshopContracts.BindingModels
         public string Address { get; set; }
         public DateTime DateOpen { get; set; }
         public Dictionary<int, (IWoodModel, int)> ShopWoods { get; set; } = new();
+        public int WoodMaxCount { get; set; }
     }
 }

CarpentryWorkshop/CarpentryWorkshopContracts/BusinessLogicsContracts/IShopLogic.cs

@@ -13,5 +13,6 @@ namespace CarpentryWorkshopContracts.BusinessLogicsContracts
         bool Update(ShopBindingModel model);
         bool Delete(ShopBindingModel model);
         bool MakeSupply(SupplyBindingModel model);
+        bool Sale(SupplySearchModel model);
     }
 }

CarpentryWorkshop/CarpentryWorkshopContracts/SearchModels/SupplySearchModel.cs

@@ -0,0 +1,8 @@
+namespace CarpentryWorkshopContracts.SearchModels
+{
+    public class SupplySearchModel
+    {
+        public int? WoodId { get; set; }
+        public int? Count { get; set; }
+    }
+}

CarpentryWorkshop/CarpentryWorkshopContracts/StoragesContracts/IShopStorage.cs

@@ -18,5 +18,7 @@ namespace CarpentryWorkshopContracts.StoragesContracts
         ShopViewModel? Insert(ShopBindingModel model);
         ShopViewModel? Update(ShopBindingModel model);
         ShopViewModel? Delete(ShopBindingModel model);
+        bool Sale(SupplySearchModel model);
+        bool RestockingShops(SupplyBindingModel model);
     }
 }

CarpentryWorkshop/CarpentryWorkshopContracts/ViewModels/ShopViewModel.cs

@@ -13,5 +13,7 @@ namespace CarpentryWorkshopContracts.ViewModels
         [DisplayName("Дата открытия")]
         public DateTime DateOpen { get; set; }
         public Dictionary<int, (IWoodModel, int)> ShopWoods { get; set; } = new();
+        [DisplayName("Вместимость")]
+        public int WoodMaxCount { get; set; }
     }
 }

CarpentryWorkshop/CarpentryWorkshopDataModels/Models/IShopModel.cs

@@ -6,5 +6,6 @@
         string Address { get; }
         DateTime DateOpen { get; }
         Dictionary<int, (IWoodModel, int)> ShopWoods { get; }
+        public int WoodMaxCount { get; }
     }
 }

CarpentryWorkshop/CarpentryWorkshopFileImplement/DataFileSingleton.cs

@@ -9,9 +9,11 @@ namespace CarpentryWorkshopFileImplement
         private readonly string ComponentFileName = "Component.xml";
         private readonly string OrderFileName = "Order.xml";
         private readonly string WoodFileName = "Wood.xml";
+        private readonly string ShopFileName = "Shop.xml";
         public List<Component> Components { get; private set; }
         public List<Order> Orders { get; private set; }
         public List<Wood> Woods { get; private set; }
+        public List<Shop> Shops { get; private set; }
         public static DataFileSingleton GetInstance()
         {
             if (instance == null)
@@ -26,6 +28,8 @@ namespace CarpentryWorkshopFileImplement
        "Woods", x => x.GetXElement);
         public void SaveOrders() => SaveData(Orders, OrderFileName,
        "Orders", x => x.GetXElement);
+        public void SaveShops() => SaveData(Shops, ShopFileName,
+        "Shops", x => x.GetXElement);
         private DataFileSingleton()
         {
             Components = LoadData(ComponentFileName, "Component", x =>
@@ -34,6 +38,8 @@ namespace CarpentryWorkshopFileImplement
            Wood.Create(x)!)!;
             Orders = LoadData(OrderFileName, "Order", x =>
            Order.Create(x)!)!;
+            Shops = LoadData(ShopFileName, "Shop", x => 
+           Shop.Create(x)!)!;
         }
         private static List<T>? LoadData<T>(string filename, string xmlNodeName,
        Func<XElement, T> selectFunction)

CarpentryWorkshop/CarpentryWorkshopFileImplement/Implements/ShopStorage.cs

@@ -0,0 +1,148 @@
+using CarpentryWorkshopContracts.BindingModels;
+using CarpentryWorkshopContracts.SearchModels;
+using CarpentryWorkshopContracts.StoragesContracts;
+using CarpentryWorkshopContracts.ViewModels;
+using CarpentryWorkshopFileImplement.Models;
+
+namespace CarpentryWorkshopFileImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public ShopStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<ShopViewModel> GetFullList()
+        {
+            return source.Shops.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ShopName))
+            {
+                return new();
+            }
+            return source.Shops.Where(x => x.ShopName.Contains(model.ShopName)).Select(x => x.GetViewModel).ToList();
+        }
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ShopName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Shops.FirstOrDefault(x =>
+            (!string.IsNullOrEmpty(model.ShopName) && x.ShopName == model.ShopName) ||
+            (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            model.Id = source.Shops.Count > 0 ? source.Shops.Max(x => x.Id) + 1 : 1;
+            var newShop = Shop.Create(model);
+            if (newShop == null)
+            {
+                return null;
+            }
+            source.Shops.Add(newShop);
+            source.SaveShops();
+            return newShop.GetViewModel;
+        }
+
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            var shop = source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (shop == null)
+            {
+                return null;
+            }
+            shop.Update(model);
+            source.SaveShops();
+            return shop.GetViewModel;
+        }
+
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            var shop = source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (shop != null)
+            {
+                source.Shops.Remove(shop);
+                source.SaveShops();
+                return shop.GetViewModel;
+            }
+            return null;
+        }
+
+        public bool Sale(SupplySearchModel model)
+        {
+            if (model == null || !model.WoodId.HasValue || !model.Count.HasValue)
+                return false;
+            int remainingSpace = source.Shops.Select(x => x.Woods.ContainsKey(model.WoodId.Value) ? x.Woods[model.WoodId.Value] : 0).Sum();
+            if (remainingSpace < model.Count)
+            {
+                return false;
+            }
+            var shops = source.Shops.Where(x => x.Woods.ContainsKey(model.WoodId.Value)).OrderByDescending(x => x.Woods[model.WoodId.Value]).ToList();
+            foreach (var shop in shops)
+            {
+                int residue = model.Count.Value - shop.Woods[model.WoodId.Value];
+                if (residue > 0)
+                {
+                    shop.Woods.Remove(model.WoodId.Value);
+                    shop.Woods.Update();
+                    model.Count = residue;
+                }
+                else
+                {
+                    if (residue == 0)
+                    {
+                        shop.Woods.Remove(model.WoodId.Value);
+                    }
+                    else
+                    {
+                        shop.Woods[model.WoodId.Value] = -residue;
+                    }
+                    shop.Woods.Update();
+                    source.SaveShops();
+                    return true;
+                }
+            }
+            source.SaveShops();
+            return false;
+        }
+
+        public bool RestockingShops(SupplyBindingModel model)
+        {
+            if (model == null || source.Shops.Select(x => x.WoodMaxCount - x.ShopWoods.Select(y => y.Value.Item2).Sum()).Sum() < model.Count)
+            {
+                return false;
+            }
+            foreach (Shop shop in source.Shops)
+            {
+                int free_places = shop.WoodMaxCount - shop.ShopWoods.Select(x => x.Value.Item2).Sum();
+                if (free_places <= 0)
+                    continue;
+                free_places = Math.Min(free_places, model.Count);
+                model.Count -= free_places;
+                if (shop.Woods.ContainsKey(model.WoodId))
+                {
+                    shop.Woods[model.WoodId] += free_places;
+                }
+                else
+                {
+                    shop.Woods.Add(model.WoodId, free_places);
+                }
+                shop.Woods.Update();
+                if (model.Count == 0)
+                {
+                    source.SaveShops();
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+}

CarpentryWorkshop/CarpentryWorkshopFileImplement/Models/Shop.cs

@@ -0,0 +1,101 @@
+using CarpentryWorkshopContracts.BindingModels;
+using CarpentryWorkshopContracts.ViewModels;
+using CarpentryWorkshopDataModels.Models;
+using System.Xml.Linq;
+
+namespace CarpentryWorkshopFileImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; private set; }
+        public string ShopName { get; private set; } = string.Empty;
+        public string Address { get; private set; } = string.Empty;
+        public DateTime DateOpen { get; private set; }
+        public Dictionary<int, int> Woods { get; private set; } = new();
+        private Dictionary<int, (IWoodModel, int)>? _shopWoods = null;
+
+        public Dictionary<int, (IWoodModel, int)> ShopWoods
+        {
+            get
+            {
+                if (_shopWoods == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _shopWoods = Woods.ToDictionary(x => x.Key, y => ((source.Woods.FirstOrDefault(z => z.Id == y.Key) as IWoodModel)!, y.Value));
+                }
+                return _shopWoods;
+            }
+        }
+
+        public int WoodMaxCount { get; private set; }
+
+        public static Shop? Create(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Shop()
+            {
+                Id = model.Id,
+                ShopName = model.ShopName,
+                Address = model.Address,
+                DateOpen = model.DateOpen,
+                Woods = model.ShopWoods.ToDictionary(x => x.Key, x => x.Value.Item2),
+                WoodMaxCount = model.WoodMaxCount
+            };
+        }
+
+        public static Shop? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                ShopName = element.Element("ShopName")!.Value,
+                Address = element.Element("Address")!.Value,
+                DateOpen = Convert.ToDateTime(element.Element("DateOpen")!.Value),
+                Woods = element.Element("ShopWoods")!.Elements("ShopWood")!.ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value),
+                x => Convert.ToInt32(x.Element("Value")?.Value)),
+                WoodMaxCount = Convert.ToInt32(element.Element("WoodMaxCount")!.Value)
+            };
+        }
+
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ShopName = model.ShopName;
+            Address = model.Address;
+            DateOpen = model.DateOpen;
+            WoodMaxCount = model.WoodMaxCount;
+            Woods = model.ShopWoods.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _shopWoods = null;
+        }
+
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ShopName = ShopName,
+            Address = Address,
+            DateOpen = DateOpen,
+            ShopWoods = ShopWoods,
+            WoodMaxCount = WoodMaxCount
+        };
+
+        public XElement GetXElement => new("Shop",
+            new XAttribute("Id", Id),
+            new XElement("ShopName", ShopName),
+            new XElement("Address", Address),
+            new XElement("DateOpen", DateOpen.ToString()),
+            new XElement("ShopWoods", Woods.Select(
+                x => new XElement("ShopWood", new XElement("Key", x.Key), new XElement("Value", x.Value))).ToArray()),
+            new XElement("WoodMaxCount", WoodMaxCount.ToString())
+            );
+    }
+}