CarCenter/CarCenterBusinessLogic/BusinessLogics/FeatureLogic.cs

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+using CarCenterContracts.BindingModels;
+using CarCenterContracts.BusinessLogicsContracts;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.StoragesContracts;
+using CarCenterContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterBusinessLogic.BusinessLogics
+{
+	public class FeatureLogic : IFeatureLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IFeatureStorage _fatureStorage;
+		public FeatureLogic(ILogger<FeatureLogic> logger, IFeatureStorage fatureStorage)
+		{
+			_logger = logger;
+			_fatureStorage = fatureStorage;
+		}
+
+		public List<FeatureViewModel>? ReadList(FeatureSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. FeatureId:Id:{ Id}", model?.Id);
+			var list = model == null ? _fatureStorage.GetFullList() : _fatureStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+
+		public FeatureViewModel? ReadElement(FeatureSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. ComponentId:Id:{ Id}", model.Id);
+			var element = _fatureStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+
+		public bool Create(FeatureBindingModel model)
+		{
+			CheckModel(model);
+			if (_fatureStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(FeatureBindingModel model)
+		{
+			CheckModel(model);
+			if (_fatureStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Delete(FeatureBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_fatureStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		private void CheckModel(FeatureBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (model.Price <= 0)
+			{
+				throw new ArgumentNullException("Цена должна быть больше 0", nameof(model.Price));
+			}
+			_logger.LogInformation("Feature. Feature:Id:{ Id}.Price:{ Price}", model.Id, model.Price);
+		}
+	}
+}