添加serilog日志支持和部分其他efcore代码

Infrastructure/MediatorExtension.cs

@@ -0,0 +1,27 @@
+using Domain.SeedWork;
+using MediatR;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Infrastructure
+{
+    static class MediatorExtension
+    {
+        public static async Task DispatchDomainEventsAsync(this IMediator mediator, AppDbContext ctx)
+        {
+            var domainEntities = ctx.ChangeTracker
+                .Entries<Entity>()
+                .Where(x => x.Entity.DomainEvents != null && x.Entity.DomainEvents.Any());
+
+            var domainEvents = domainEntities
+                .SelectMany(x => x.Entity.DomainEvents)
+                .ToList();
+
+            domainEntities.ToList()
+                .ForEach(entity => entity.Entity.ClearDomainEvents());
+
+            foreach (var domainEvent in domainEvents)
+                await mediator.Publish(domainEvent);
+        }
+    }
+}