Добавлена реализация хранилища магазинов на файлах

SecuritySystem/SecuritySystemFileImplement/DataFileSingleton.cs

@@ -9,9 +9,11 @@ namespace SecuritySystemFileImplement
         private readonly string ComponentFileName = "Component.xml";
         private readonly string OrderFileName = "Order.xml";
         private readonly string SecureFileName = "Secure.xml";
+        private readonly string ShopFileName = "Shop.xml";
         public List<Component> Components { get; private set; }
         public List<Order> Orders { get; private set; }
         public List<Secure> Secures { get; private set; }
+        public List<Shop> Shops { get; private set; }
         public static DataFileSingleton GetInstance()
         {
             if (instance == null)
@@ -23,11 +25,13 @@ namespace SecuritySystemFileImplement
         public void SaveComponents() => SaveData(Components, ComponentFileName, "Components", x => x.GetXElement);
         public void SaveSecures() => SaveData(Secures, SecureFileName, "Secures", 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 => Component.Create(x)!)!;
             Secures = LoadData(SecureFileName, "Secure", x => Secure.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)

SecuritySystem/SecuritySystemFileImplement/Implements/ShopStorage.cs

@@ -0,0 +1,129 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.SearchModels;
+using SecuritySystemContracts.StoragesContracts;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemDataModels.Models;
+using SecuritySystemFileImplement.Models;
+
+namespace SecuritySystemFileImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        private readonly DataFileSingleton source;
+        public ShopStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Shops.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
+        }
+
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                return new();
+            }
+            return source.Shops
+                .Select(x => x.GetViewModel)
+                .Where(x => x.Name.Contains(model.Name ?? string.Empty))
+                .ToList();
+        }
+
+        public List<ShopViewModel> GetFullList()
+        {
+            return source.Shops.Select(shop => shop.GetViewModel).ToList();
+        }
+
+        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)
+            {
+                return null;
+            }
+            source.Shops.Remove(shop);
+            source.SaveShops();
+            return shop.GetViewModel;
+        }
+
+        public bool SellSecure(ISecureModel model, int count)
+        {
+            var secure = source.Secures.FirstOrDefault(x => x.Id == model.Id);
+
+            if (secure == null)
+            {
+                return false;
+            }
+            var shopSecures = source.Shops.SelectMany(shop => shop.ShopSecures.Where(c => c.Value.Item1.Id == secure.Id));
+            int countStore = 0;
+
+            foreach (var shopSec in shopSecures)
+                countStore += shopSec.Value.Item2;
+
+            if (count > countStore)
+                return false;
+
+            foreach (var shop in source.Shops)
+            {
+                var secures = shop.ShopSecures;
+
+                foreach (var sec in secures.Where(x => x.Value.Item1.Id == secure.Id))
+                {
+                    int min = Math.Min(sec.Value.Item2, count);
+                    secures[sec.Value.Item1.Id] = (sec.Value.Item1, sec.Value.Item2 - min);
+                    count -= min;
+
+                    if (count <= 0)
+                        break;
+                }
+
+                shop.Update(new ShopBindingModel
+                {
+                    Id = shop.Id,
+                    Name = shop.Name,
+                    Address = shop.Address,
+                    MaxSecuresCount = shop.MaxSecuresCount,
+                    OpeningDate = shop.OpeningDate,
+                    ShopSecures = secures
+                });
+
+                source.SaveShops();
+
+                if (count <= 0)
+                    return true;
+            }
+
+            return true;
+        }
+    }
+}

SecuritySystem/SecuritySystemFileImplement/Models/Shop.cs

@@ -4,7 +4,7 @@ using SecuritySystemDataModels.Models;
 using SecuritySystemFileImplement;
 using System.Xml.Linq;
 
-namespace AutomobilePlantFileImplement.Models
+namespace SecuritySystemFileImplement.Models
 {
     public class Shop : IShopModel
     {