JewelLogic_1

JewelryStoreBusinessLogic/BusinessLogics/JewelLogic.cs

@@ -1,7 +1,9 @@
 using JewelryStoreContracts.BindingModels;
 using JewelryStoreContracts.BusinessLogicsContracts;
 using JewelryStoreContracts.SearchModels;
+using JewelryStoreContracts.StoragesContracts;
 using JewelryStoreContracts.ViewModels;
+using Microsoft.Extensions.Logging;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -12,29 +14,107 @@ namespace JewelryStoreBusinessLogic.BusinessLogics
 {
     public class JewelLogic : IJewelLogic // TODO реализовать интерфейс идентично componentLogic
     {
+        private readonly ILogger _logger;
+        private readonly IJewelStorage _jewelStorage;
+
+        public JewelLogic(ILogger<JewelLogic> logger, IJewelStorage jewelStorage)
+        {
+            _logger = logger;
+            _jewelStorage= jewelStorage;
+        }
+
         public bool Create(JewelBindingModel model)
         {
-            throw new NotImplementedException();
+            CheckModel(model);
+            if (_jewelStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
         }
 
         public bool Delete(JewelBindingModel model)
         {
-            throw new NotImplementedException();
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_jewelStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
         }
 
         public JewelViewModel? ReadElement(JewelSearchModel model)
         {
-            throw new NotImplementedException();
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. JewelName:{JewelName}.Id:{ Id}", model.JewelName, model.Id);
+            var element = _jewelStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
         }
 
         public List<JewelViewModel>? ReadList(JewelSearchModel? model)
         {
-            throw new NotImplementedException();
+            _logger.LogInformation("ReadList. JewelName:{JeweltName}.Id:{ Id}", model?.JewelName, model?.Id);
+            var list = model == null ? _jewelStorage.GetFullList() : _jewelStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
         }
 
         public bool Update(JewelBindingModel model)
         {
-            throw new NotImplementedException();
+            CheckModel(model);
+            if (_jewelStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        private void CheckModel(JewelBindingModel model, bool withParams =
+     true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.JewelName))
+            {
+                throw new ArgumentNullException("Нет названия драгоценности",
+               nameof(model.JewelName));
+            }
+            if (model.Price <= 0)
+            {
+                throw new ArgumentNullException("Цена драгоценности должна быть больше 0", nameof(model.Price));
+            }
+            _logger.LogInformation("Jewel. JewelName:{JewelName}. Price:{ Price}. Id: { Id}", model.JewelName, model.Price, model.Id);
+            var element = _jewelStorage.GetElement(new JewelSearchModel
+            {
+                JewelName = model.JewelName
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Драгоценность с таким названием уже есть");
+            }
         }
     }
 }