添加项目文件。

2026-05-09 17:06:30 +08:00
parent c60f5fe117
commit 720ef957d4
378 changed files with 14843 additions and 0 deletions
@@ -0,0 +1,49 @@
+using IM.Commons.IntegrationEvents;
+using MassTransit;
+using MediatR;
+using MessageService.Domain.Events;
+using MessageService.Domain.IReposities;
+using MessageService.Infrastructure;
+
+namespace MessageService.WebApi.Application.EventHandlers
+{
+    public class MessageHandler : INotificationHandler<MessageCreatedDomainEvent>, INotificationHandler<MessageWithdrawDomainEvent>
+    {
+        private readonly IPublishEndpoint endpoint;
+        private readonly IConversationReposity reposity;
+        private readonly MessageDbContext messageDb;
+
+        public MessageHandler(IPublishEndpoint endpoint, IConversationReposity reposity, MessageDbContext messageDb)
+        {
+            this.endpoint = endpoint;
+            this.reposity = reposity;
+            this.messageDb = messageDb;
+        }
+
+        public async Task Handle(MessageCreatedDomainEvent notification, CancellationToken cancellationToken)
+        {
+            var message = notification.Message;
+
+            if(message.ChatType == Domain.Enums.ChatType.PRIVATE)
+            {
+                var list = await reposity.FindByStreamKeyAsync(message.StreamKey);
+                var owner = list.First(x => x.UserId == message.SenderId);
+                var target = list.First(x => x.UserId == message.TargetId);
+
+                owner.Update(message.SequenceId, 0, message.Content.Fallback);
+                target.Update(target.LastReadSequenceId, target.UnreadCount + 1, message.Content.Fallback);
+
+                messageDb.Conversations.UpdateRange(owner,target);
+                await messageDb.SaveChangesAsync(cancellationToken);
+            }
+
+            await endpoint.Publish(message.ToIntegrationEvent());
+        }
+
+        public async Task Handle(MessageWithdrawDomainEvent notification, CancellationToken cancellationToken)
+        {
+            var message = notification.Message;
+            await endpoint.Publish(new MsgWithdrawEvent(message.Id, message.State.ToString(), message.StreamKey), cancellationToken);
+        }
+    }
+}