AircraftPlant/AircraftPlantBusinessLogic/BusinessLogics/ShopLogic.cs

@@ -187,6 +187,34 @@ namespace AircraftPlantBusinessLogic.BusinessLogics
             return true;
         }
 
+        /// <summary>
+        /// Продажа изделий
+        /// </summary>
+        /// <param name="plane"></param>
+        /// <param name="count"></param>
+        /// <returns></returns>
+        /// <exception cref="ArgumentNullException"></exception>
+        /// <exception cref="ArgumentException"></exception>
+        public bool SellPlanes(IPlaneModel plane, int count)
+        {
+            if (plane == null)
+            {
+                throw new ArgumentNullException(nameof(plane));
+            }
+            if (count <= 0)
+            {
+                throw new ArgumentException("Количество изделий должно быть больше 0", nameof(count));
+            }
+
+            if (_shopStorage.SellPlanes(plane, count))
+            {
+                _logger.LogInformation("Selling sucsess");
+                return true;
+            }
+            _logger.LogInformation("Selling failed");
+            return false;
+        }
+
         /// <summary>
         /// Проверка модели магазина
         /// </summary>

AircraftPlant/AircraftPlantContracts/BusinessLogicsContracts/IShopLogic.cs

@@ -59,14 +59,6 @@ namespace AircraftPlantContracts.BusinessLogicsContracts
         /// <returns></returns>
         bool AddPlaneInShop(ShopSearchModel model, IPlaneModel plane, int count);
 
-        /// <summary>
-        /// Добавление изделий в магазины
-        /// </summary>
-        /// <param name="plane"></param>
-        /// <param name="count"></param>
-        /// <returns></returns>
-        bool AddPlanes(IPlaneModel plane, int count);
-
         /// <summary>
         /// Продажа изделий
         /// </summary>

AircraftPlant/AircraftPlantContracts/StoragesContracts/IShopStorage.cs

@@ -63,5 +63,13 @@ namespace AircraftPlantContracts.StoragesContracts
         /// <param name="count"></param>
         /// <returns></returns>
         bool SellPlanes(IPlaneModel plane, int count);
+
+        /// <summary>
+        /// Проверка наличия изделий в магазинах в нужном количестве
+        /// </summary>
+        /// <param name="plane"></param>
+        /// <param name="count"></param>
+        /// <returns></returns>
+        bool Restock(IPlaneModel plane, int count);
     }
 }

AircraftPlant/AircraftPlantFileImplement/Models/Shop.cs

@@ -0,0 +1,159 @@
+using AircraftPlantContracts.BindingModels;
+using AircraftPlantContracts.ViewModels;
+using AircraftPlantDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace AircraftPlantFileImplement.Models
+{
+    /// <summary>
+    /// Сущность "Магазин"
+    /// </summary>
+    public class Shop : IShopModel
+    {
+        /// <summary>
+        /// Идентификатор
+        /// </summary>
+        public int Id { get; private set; }
+
+        /// <summary>
+        /// Название магазина
+        /// </summary>
+        public string ShopName { get; private set; } = string.Empty;
+
+        /// <summary>
+        /// Адрес магазина
+        /// </summary>
+        public string Address { get; private set; } = string.Empty;
+
+        /// <summary>
+        /// Дата открытия магазина
+        /// </summary>
+        public DateTime DateOpening { get; private set; }
+
+        /// <summary>
+        /// Коллекция изделий магазина в виде
+        /// «идентификатор изделия – количество изделий»
+        /// </summary>
+        public Dictionary<int, int> Planes { get; private set; } = new();
+
+        /// <summary>
+        /// Коллекция изделий в магазине
+        /// </summary>
+        private Dictionary<int, (IPlaneModel, int)>? _shopPlanes = null;
+        public Dictionary<int, (IPlaneModel, int)> ShopPlanes
+        {
+            get
+            {
+                if (_shopPlanes == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _shopPlanes = Planes.ToDictionary(x => x.Key, y => ((source.Planes.FirstOrDefault(z => z.Id == y.Key) as IPlaneModel)!, y.Value));
+                }
+                return _shopPlanes;
+            }
+        }
+
+        /// <summary>
+        /// Максимальное количество изделий
+        /// </summary>
+        public int MaxPlanes { get; private set; }
+
+        /// <summary>
+        /// Создание модели магазина из данных файла
+        /// </summary>
+        /// <param name="element"></param>
+        /// <returns></returns>
+        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,
+                DateOpening = Convert.ToDateTime(element.Element("DateOpening")!.Value),
+                Planes = element.Element("ShopPlanes")!.Elements("ShopPlanes")!
+                    .ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value)),
+                MaxPlanes = Convert.ToInt32(element.Element("MaxPlanes")!.Value)
+            };
+        }
+
+        /// <summary>
+        /// Создание модели магазина
+        /// </summary>
+        /// <param name="model"></param>
+        /// <returns></returns>
+        public static Shop? Create(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+
+            return new Shop()
+            {
+                Id = model.Id,
+                ShopName = model.ShopName,
+                Address = model.Address,
+                DateOpening = model.DateOpening,
+                Planes = model.ShopPlanes.ToDictionary(x => x.Key, x => x.Value.Item2),
+                MaxPlanes = model.MaxPlanes
+            };
+        }
+
+        /// <summary>
+        /// Изменение модели магазина
+        /// </summary>
+        /// <param name="model"></param>
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+
+            ShopName = model.ShopName;
+            Address = model.Address;
+            DateOpening = model.DateOpening;
+            Planes = model.ShopPlanes.ToDictionary(x => x.Key, x => x.Value.Item2);
+            MaxPlanes = model.MaxPlanes;
+            _shopPlanes = null;
+        }
+
+        /// <summary>
+        /// Получение модели магазина
+        /// </summary>
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ShopName = ShopName,
+            Address = Address,
+            DateOpening = DateOpening,
+            ShopPlanes = ShopPlanes,
+            MaxPlanes = MaxPlanes
+        };
+
+        /// <summary>
+        /// Запись данных о модели магазина в файл
+        /// </summary>
+        public XElement GetXElement => new("Shop",
+            new XAttribute("Id", Id),
+            new XElement("ShopName", ShopName),
+            new XElement("Address", Address),
+            new XElement("DateOpening", DateOpening.ToString()),
+            new XElement("ShopPlanes", Planes.Select(x =>
+                new XElement("ShopPlanes",
+                new XElement("Key", x.Key),
+                new XElement("Value", x.Value)))),
+            new XElement("MaxPlanes", MaxPlanes.ToString()
+            .ToArray()));
+    }
+}

AircraftPlant/AircraftPlantListImplement/Implements/ShopStorage.cs

@@ -2,6 +2,7 @@
 using AircraftPlantContracts.SearchModels;
 using AircraftPlantContracts.StoragesContracts;
 using AircraftPlantContracts.ViewModels;
+using AircraftPlantDataModels.Models;
 using AircraftPlantListImplement.Models;
 using System;
 using System.Collections.Generic;
@@ -150,5 +151,29 @@ namespace AircraftPlantListImplement.Implements
             }
             return null;
         }
+
+        /// <summary>
+        /// Продажа изделий
+        /// </summary>
+        /// <param name="plane"></param>
+        /// <param name="count"></param>
+        /// <returns></returns>
+        /// <exception cref="NotImplementedException"></exception>
+        public bool SellPlanes(IPlaneModel plane, int count)
+        {
+            throw new NotImplementedException();
+        }
+
+        /// <summary>
+        /// Проверка наличия изделий в магазинах в нужном количестве
+        /// </summary>
+        /// <param name="plane"></param>
+        /// <param name="count"></param>
+        /// <returns></returns>
+        /// <exception cref="NotImplementedException"></exception>
+        public bool Restock(IPlaneModel plane, int count)
+        {
+            throw new NotImplementedException();
+        }
     }
 }

AircraftPlant/AircraftPlantListImplement/Models/Shop.cs

@@ -43,6 +43,11 @@ namespace AircraftPlantListImplement.Models
             private set;
         } = new Dictionary<int, (IPlaneModel, int)>();
 
+        /// <summary>
+        /// Максимальное количество изделий
+        /// </summary>
+        public int MaxPlanes { get; private set; }
+
         /// <summary>
         /// Создание модели магазина
         /// </summary>