Реализован интерфес хранилища магазинов

SecuritySystem/SecuritySystemListImplement/DataListSingleton.cs

@@ -8,6 +8,7 @@ namespace SecuritySystemListImplement
         public List<Component> Components { get; set; }
         public List<Order> Orders { get; set; }
         public List<Secure> Secures { get; set; }
+        public List<Shop> Shops { get; set; }
         private DataListSingleton()
         {
             Components = new List<Component>();

SecuritySystem/SecuritySystemListImplement/Implements/ShopStorage.cs

@@ -0,0 +1,121 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.SearchModels;
+using SecuritySystemContracts.StoragesContracts;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemListImplement.Models;
+
+namespace SecuritySystemListImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        private readonly DataListSingleton _source;
+
+        public ShopStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            foreach (var shop in _source.Shops)
+            {
+                if ((!string.IsNullOrEmpty(model.Name) && shop.Name == model.Name) || (model.Id.HasValue && shop.Id == model.Id))
+                {
+                    return shop.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            var result = new List<ShopViewModel>();
+
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                return result;
+            }
+
+            foreach (var shop in _source.Shops)
+            {
+                if (shop.Name.Contains(model.Name))
+                {
+                    result.Add(shop.GetViewModel);
+                }
+            }
+
+            return result;
+        }
+
+        public List<ShopViewModel> GetFullList()
+        {
+            var result = new List<ShopViewModel>();
+
+            foreach (var shop in _source.Shops)
+            {
+                result.Add(shop.GetViewModel);
+            }
+
+            return result;
+        }
+
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            model.Id = 1;
+
+            foreach (var shop in _source.Shops)
+            {
+                if (model.Id <= shop.Id)
+                {
+                    model.Id = shop.Id + 1;
+                }
+            }
+
+            var newShop = Shop.Create(model);
+
+            if (newShop == null)
+            {
+                return null;
+            }
+
+            _source.Shops.Add(newShop);
+
+            return newShop.GetViewModel;
+        }
+
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            foreach (var shop in _source.Shops)
+            {
+                if (shop.Id == model.Id)
+                {
+                    shop.Update(model);
+                    return shop.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            for (int i = 0; i < _source.Shops.Count; ++i)
+            {
+                if (_source.Shops[i].Id == model.Id)
+                {
+                    var element = _source.Shops[i];
+                    _source.Shops.RemoveAt(i);
+                    return element.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+    }
+}