SecuritySystem/SecuritySystemBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -123,5 +123,22 @@ namespace SecuritySystemBusinessLogic.BusinessLogics
             }
             _logger.LogInformation("Order. Sum:{Cost}. Id: {Id}", model.Sum, model.Id);
         }
+
+        public OrderViewModel? ReadElement(OrderSearchModel? model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. Order Id:{Id}", model.Id);
+            var element = _orderStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
     }
 }

SecuritySystem/SecuritySystemContracts/BusinessLogicsContracts/IOrderLogic.cs

@@ -7,6 +7,7 @@ namespace SecuritySystemContracts.BusinessLogicsContracts
     public interface IOrderLogic
     {
         List<OrderViewModel>? ReadList(OrderSearchModel? model);
+        OrderViewModel? ReadElement(OrderSearchModel? model);
         bool CreateOrder(OrderBindingModel model);
         bool TakeOrderInWork(OrderBindingModel model);
         bool FinishOrder(OrderBindingModel model);