Исправлена логика сущности "Магазин"

ConfectionaryBusinessLogic/ShopLogic.cs

@@ -52,6 +52,7 @@ namespace ConfectioneryBusinessLogic
         public bool Create(ShopBindingModel model)
         {
             CheckModel(model);
+            model.Pastries = new();
             if (_shopStorage.Insert(model) == null)
             {
                 _logger.LogWarning("Insert operation failed");
@@ -62,6 +63,7 @@ namespace ConfectioneryBusinessLogic
         public bool Update(ShopBindingModel model)
         {
             CheckModel(model);
+            model.Pastries = new();
             if (_shopStorage.Update(model) == null)
             {
                 _logger.LogWarning("Update operation failed");

ConfectionaryListImplement/DataListSingleton.cs

@@ -8,13 +8,13 @@ namespace ConfectioneryListImplement
         public List<Component> Components { get; set; }
         public List<Order> Orders { get; set; }
         public List<Pastry> Pastry { get; set; }
-        public List<Shop> Shop { get; set; }
+        public List<Shop> Shops { get; set; }
         private DataListSingleton()
         {
             Components = new List<Component>();
             Orders = new List<Order>();
             Pastry = new List<Pastry>();
-            Shop = new List<Shop>();
+            Shops = new List<Shop>();
         }
         public static DataListSingleton GetInstance()
         {

ConfectionaryListImplement/ShopStorage.cs

@@ -15,32 +15,93 @@ namespace ConfectioneryListImplement
 
         public ShopViewModel? Delete(ShopBindingModel model)
         {
-            throw new NotImplementedException();
+            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;
         }
 
         public ShopViewModel? GetElement(ShopSearchModel model)
         {
-            throw new NotImplementedException();
+            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)
         {
-            throw new NotImplementedException();
+            var result = new List<ShopViewModel>();
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                return result;
+            }
+            foreach (var shop in _source.Shops)
+            {
+                if (shop.Name.Contains(model.Name ?? string.Empty))
+                {
+                    result.Add(shop.GetViewModel);
+                }
+            }
+            return result;
         }
 
         public List<ShopViewModel> GetFullList()
         {
-            throw new NotImplementedException();
+            var result = new List<ShopViewModel>();
+            foreach (var shop in _source.Shops)
+            {
+                result.Add(shop.GetViewModel);
+            }
+            return result;
         }
 
         public ShopViewModel? Insert(ShopBindingModel model)
         {
-            throw new NotImplementedException();
+            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)
         {
-            throw new NotImplementedException();
+            foreach (var shop in _source.Shops)
+            {
+                if (shop.Id == model.Id)
+                {
+                    shop.Update(model);
+                    return shop.GetViewModel;
+                }
+            }
+            return null;
         }
     }
 }