Added time provider extensions and added simple update method to Repo…

…sitory.

src/DotNetElements.Core/Core/Extensions/ServiceCollectionExtensions.cs

@@ -1,5 +1,4 @@
-using System.Reflection;
-using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.DependencyInjection;
 
 namespace DotNetElements.Core.Extensions;
 

src/DotNetElements.Core/Core/Extensions/TimeProviderExtensions.cs

@@ -0,0 +1,9 @@
+namespace DotNetElements.Core.Extensions;
+
+public static class TimeProviderExtensions
+{
+    public static DateTime GetUtcNowDateTime(this TimeProvider timeProvider)
+    {
+        return timeProvider.GetUtcNow().UtcDateTime;
+    }
+}

src/DotNetElements.Core/Core/Repository.cs

@@ -182,6 +182,19 @@ public TRelatedEntity AttachById<TRelatedEntity, TRelatedEntityKey>(TRelatedEnti
         return DbContext.Set<TRelatedEntity>().Attach(TRelatedEntity.CreateRefById(id)).Entity;
     }
 
+    protected async Task<CrudResult> UpdateAsync(TEntity entity)
+    {
+        if (entity is IAuditedEntity<TKey> auditedEntity)
+            auditedEntity.SetModificationAudited(CurrentUserProvider.GetCurrentUserId(), TimeProvider.GetUtcNow());
+
+        UpdateEntityVersion(entity, entity);
+
+        if (!await SaveChangesWithVersionCheckAsync())
+            return CrudResult.ConcurrencyConflict();
+
+        return CrudResult.Ok();
+    }
+
     protected void UpdateEntityVersion<TTargetEntity>(TTargetEntity entityFromDb, Guid? originalVersion)
         where TTargetEntity : notnull
     {