Написал абстрактный класс логики

Medical/MedicalBusinessLogic/BusinessLogics/AbstractLogic.cs

@@ -0,0 +1,135 @@
+using MedicalDatabaseContracts;
+using MedicalDatabaseContracts.Models;
+using MedicalDatabaseContracts.SearchModels;
+using MedicalDatabaseContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace MedicalBusinessLogic.BusinessLogics
+{
+    public abstract class AbstractLogic<M, V, S> : ILogic<M, V, S>
+        where M : AbstractModel
+        where V : AbstractViewModel
+        where S : AbstractSearchModel
+    {
+        protected readonly ILogger<AbstractLogic<M, V, S>> _logger;
+        protected readonly IStorage<M> _storage;
+
+        protected AbstractLogic(ILogger<AbstractLogic<M, V, S>> logger, IStorage<M> storage)
+        {
+            _logger = logger;
+            _storage = storage;
+        }
+
+        protected abstract bool CheckModelIsValid(M model);
+
+        protected abstract bool CheckModelBySearchModel(M model, S searchModel);
+
+        protected abstract V GetViewModel(M model);
+
+        public bool Create(M model)
+        {
+            return Create(model, out _);
+        }
+
+        public bool Delete(int id)
+        {
+            return Delete(id, out _);
+        }
+
+        public V? ReadElement(int id)
+        {
+            return ReadElement(id, out _);
+        }
+
+        public List<V> ReadList(S? searchModel)
+        {
+            return ReadList(searchModel, out _);
+        }
+
+        public bool Update(M model)
+        {
+            return Update(model, out _);
+        }
+
+        public virtual List<V> ReadList(S? searchModel, out long elapsedMilliseconds)
+        {
+            var elements = _storage.GetAll(out elapsedMilliseconds);
+
+            if (searchModel != null)
+            {
+                elements = elements.Where(x => CheckModelBySearchModel(x, searchModel)).ToList();
+            }
+
+            _logger.LogInformation($"ReadList count:{elements.Count}");
+            return elements.Select(x => GetViewModel(x)).ToList();
+        }
+
+        public virtual V? ReadElement(int id, out long elapsedMilliseconds)
+        {
+            var element = _storage.Get(id, out elapsedMilliseconds);
+            if (element == null)
+            {
+                _logger.LogWarning($"ReadElement record id:{id} failed: element not found");
+                return null;
+            }
+            _logger.LogInformation($"ReadElement record id:{id} success");
+            return GetViewModel(element);
+        }
+
+        public virtual bool Create(M model, out long elapsedMilliseconds)
+        {
+            elapsedMilliseconds = 0;
+            if (!CheckModelIsValid(model))
+            {
+                return false;
+            }
+            try
+            {
+                _storage.Insert(model, out elapsedMilliseconds);
+                _logger.LogInformation($"Insert operation success");
+                return true;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogWarning($"Insert operation failed: {ex.Message}");
+                return false;
+            }
+        }
+
+        public virtual bool Update(M model, out long elapsedMilliseconds)
+        {
+            elapsedMilliseconds = 0;
+            if (!CheckModelIsValid(model))
+            {
+                return false;
+            }
+            try
+            {
+                _storage.Update(model, out elapsedMilliseconds);
+                _logger.LogInformation($"Update record id:{model.Id} operation success");
+                return true;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogWarning($"Update record id:{model.Id} operation failed: {ex.Message}");
+                return false;
+            }
+        }
+
+        public virtual bool Delete(int id, out long elapsedMilliseconds)
+        {
+            elapsedMilliseconds = 0;
+            try
+            {
+                _storage.Delete(id, out elapsedMilliseconds);
+                _logger.LogInformation($"Delete operation success");
+                return true;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogWarning($"Delete operation failed: {ex.Message}");
+                return false;
+            }
+        }
+    }
+}

Medical/MedicalDatabaseContracts/ILogic.cs

@@ -9,10 +9,15 @@ namespace MedicalDatabaseContracts
         where V : AbstractViewModel
         where S : AbstractSearchModel
     {
-        List<V>? ReadList(S? searchModel);
+        List<V> ReadList(S? searchModel);
+        List<V> ReadList(S? searchModel, out long elapsedMilliseconds);
         V? ReadElement(int id);
+        V? ReadElement(int id, out long elapsedMilliseconds);
         bool Create(M model);
+        bool Create(M model, out long elapsedMilliseconds);
         bool Update(M model);
+        bool Update(M model, out long elapsedMilliseconds);
         bool Delete(int id);
+        bool Delete(int id, out long elapsedMilliseconds);
     }
 }

Medical/MedicalPostgresqlDatabase/AbstractPostgresqlStorage.cs

@@ -31,7 +31,6 @@ namespace MedicalPostgresqlDatabase
 
         public virtual void Delete(int id)
         {
-            long _;
             Delete(id, out _);
         }
         public virtual void Delete(int id, out long elapsedMilliseconds)
@@ -48,7 +47,6 @@ namespace MedicalPostgresqlDatabase
         }
         public virtual T? Get(int id)
         {
-            long _;
             return Get(id, out _);
         }
         public virtual T? Get(int id, out long elapsedMilliseconds)
@@ -70,7 +68,6 @@ namespace MedicalPostgresqlDatabase
         }
         public virtual List<T> GetAll()
         {
-            long _;
             return GetAll(out _);
         }
         public virtual List<T> GetAll(out long elapsedMilliseconds)
@@ -92,7 +89,6 @@ namespace MedicalPostgresqlDatabase
         }
         public virtual void Insert(T item)
         {
-            long _;
             Insert(item, out _);
         }
         public virtual void Insert(T item, out long elapsedMilliseconds)
@@ -137,7 +133,6 @@ namespace MedicalPostgresqlDatabase
         }
         public virtual void Update(T item)
         {
-            long _;
             Update(item, out _);
         }
         public virtual void Update(T item, out long elapsedMilliseconds)