fix: align backend APIs and upload flow

MessageService.WebApi/Application/Conversation/ConversationMapperConfig.cs

@@ -8,7 +8,7 @@ namespace MessageService.WebApi.Application.Conversation
         public ConversationMapperConfig()
         {
             CreateMap<Domain.Entities.Conversation, ConversationResponse>()
-                .ForMember(dest => dest.DateTime, opt => opt.MapFrom(src => src.ModificationTime))
+                .ForMember(dest => dest.DateTime, opt => opt.MapFrom(src => src.ModificationTime ?? src.CreationTime))
                 ;
         }
     }

MessageService.WebApi/Application/Dtos/ConversationResponse.cs

@@ -31,6 +31,6 @@ namespace MessageService.WebApi.Application.Dtos
         /// 最后一条最新消息
         /// </summary>
         public string LastMessage { get; set; }
-        public DateTime DateTime { get; set; }
+        public DateTimeOffset DateTime { get; set; }
     }
 }

MessageService.WebApi/Application/EventHandlers/ConversationAddHandler.cs

@@ -6,7 +6,7 @@ using MessageService.Infrastructure;
 namespace MessageService.WebApi.Application.EventHandlers
 {
     public class ConversationAddHandler : IConsumer<GroupMemberJoinedEvent>,
-        IConsumer<FriendAddedEvent>
+        IConsumer<FriendAddedEvent>, IConsumer<GroupMemberLeftEvent>
     {
 
         private readonly IConversationReposity reposity;
@@ -21,6 +21,11 @@ namespace MessageService.WebApi.Application.EventHandlers
         public async Task Consume(ConsumeContext<GroupMemberJoinedEvent> context)
         {
             var @event = context.Message;
+            var existing = await reposity.FindByTargetIdAsync(@event.GroupId);
+            if (existing.Any(x => x.UserId == @event.UserId && x.ChatType == Domain.Enums.ChatType.GROUP))
+            {
+                return;
+            }
             reposity.Create(new Domain.Entities.Conversation(
                 userId: @event.UserId,
                 targetId: @event.GroupId,
@@ -32,12 +37,17 @@ namespace MessageService.WebApi.Application.EventHandlers
                 lastMessage: string.Empty
                 ));
 
-            await messageDb.SaveChangesAsync();
+            await messageDb.SaveChangesAsync(context.CancellationToken);
         }
 
         public async Task Consume(ConsumeContext<FriendAddedEvent> context)
         {
             var @event = context.Message;
+            var existing = await reposity.FindByUserIdAsync(@event.OwnerId);
+            if (existing.Any(x => x.TargetId == @event.TargetId && x.ChatType == Domain.Enums.ChatType.PRIVATE))
+            {
+                return;
+            }
             reposity.Create(new Domain.Entities.Conversation(
                 userId: @event.OwnerId,
                 targetId: @event.TargetId,
@@ -49,7 +59,18 @@ namespace MessageService.WebApi.Application.EventHandlers
                 lastMessage: string.Empty
                 ));
 
-            await messageDb.SaveChangesAsync();
+            await messageDb.SaveChangesAsync(context.CancellationToken);
+        }
+
+        public async Task Consume(ConsumeContext<GroupMemberLeftEvent> context)
+        {
+            var conversations = await reposity.FindByTargetIdAsync(context.Message.GroupId);
+            foreach (var conversation in conversations.Where(x =>
+                x.UserId == context.Message.UserId && x.ChatType == Domain.Enums.ChatType.GROUP))
+            {
+                conversation.SoftDelete();
+            }
+            await messageDb.SaveChangesAsync(context.CancellationToken);
         }
     }
 }

MessageService.WebApi/Application/EventHandlers/MessageHandler.cs

@@ -24,20 +24,24 @@ namespace MessageService.WebApi.Application.EventHandlers
         {
             var message = notification.Message;
 
-            if(message.ChatType == Domain.Enums.ChatType.PRIVATE)
+            var conversations = await reposity.FindByStreamKeyAsync(message.StreamKey);
+            foreach (var conversation in conversations)
             {
-                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);
+                conversation.UpdateLastMessage(message.Content.Fallback);
+                if (conversation.UserId == message.SenderId)
+                {
+                    conversation.SetLastReadSequence(message.SequenceId);
+                }
+                else
+                {
+                    conversation.IncrementUnread();
+                }
             }
 
-            await endpoint.Publish(message.ToIntegrationEvent());
+            messageDb.Conversations.UpdateRange(conversations);
+            await messageDb.SaveChangesAsync(cancellationToken);
+
+            await endpoint.Publish(message.ToIntegrationEvent(), cancellationToken);
         }
 
         public async Task Handle(MessageWithdrawDomainEvent notification, CancellationToken cancellationToken)

MessageService.WebApi/Application/Message/MessageService.cs

@@ -52,13 +52,16 @@ namespace MessageService.WebApi.Application.Message
             {
                 MessageType.Text => Domain.Entities.Message.BuildTxt(ctx, command.Text!, sequenceId),
 
-                MessageType.Image => Domain.Entities.Message.BuildImg(ctx, command.Url!,
-                    command.Width ?? 0, command.Height ?? 0, command.Thumb!, sequenceId),
+                MessageType.Image => Domain.Entities.Message.BuildImg(ctx, command.Url,
+                    command.Width ?? 0, command.Height ?? 0, command.Thumb!, sequenceId, command.FileId),
 
-                MessageType.Video => Domain.Entities.Message.BuildVideo(ctx, command.Url!,
-                    command.Width ?? 0, command.Height ?? 0, command.Thumb!, sequenceId),
+                MessageType.Video => Domain.Entities.Message.BuildVideo(ctx, command.Url,
+                    command.Width ?? 0, command.Height ?? 0, command.Thumb!, sequenceId, command.FileId),
 
-                MessageType.Voice => Domain.Entities.Message.BuildVoice(ctx, command.Url!, command.Duration ?? 0, sequenceId),
+                MessageType.Voice => Domain.Entities.Message.BuildVoice(ctx, command.Url, command.Duration ?? 0, sequenceId, command.FileId),
+
+                MessageType.File => Domain.Entities.Message.BuildFile(ctx, command.FileId!.Value, command.Url,
+                    command.FileName!, command.FileSize!.Value, command.FileFormat!, sequenceId),
 
                 _ => null
             };
@@ -109,6 +112,11 @@ namespace MessageService.WebApi.Application.Message
 
         public async Task<Result<GetMessagesResponse>> GetMessagesAsync(GetMessageCommand command)
         {
+            if (command.direction is not 0 and not 1 || command.limit is < 1 or > 100)
+            {
+                return Result.Fail<GetMessagesResponse>(ResultCode.PARAMETER_ERROR);
+            }
+
             var conversation = await conversationReposity.FindByIdAsync(command.conversationId);
 
             if(conversation is null || conversation.UserId != command.userId)

MessageService.WebApi/Application/Message/SendMsgCommand.cs

@@ -22,8 +22,12 @@ namespace MessageService.WebApi.Application.Message
         public int? Height { get; init; }
         public string? Thumb { get; init; }
         public int? Duration { get; init; }
+        public Guid? FileId { get; init; }
+        public string? FileName { get; init; }
+        public long? FileSize { get; init; }
+        public string? FileFormat { get; init; }
 
-        public SendMsgCommand(Guid senderId, Guid targetId, ChatType chatType, MessageType msgType, Guid clientMsgId, Guid? quoteMessageId, Dictionary<string, string>? ext, string? text, string? url, int? width, int? height, string? thumb, int? duration)
+        public SendMsgCommand(Guid senderId, Guid targetId, ChatType chatType, MessageType msgType, Guid clientMsgId, Guid? quoteMessageId, Dictionary<string, string>? ext, string? text, string? url, int? width, int? height, string? thumb, int? duration, Guid? fileId, string? fileName, long? fileSize, string? fileFormat)
         {
             SenderId = senderId;
             TargetId = targetId;
@@ -38,6 +42,10 @@ namespace MessageService.WebApi.Application.Message
             Height = height;
             Thumb = thumb;
             Duration = duration;
+            FileId = fileId;
+            FileName = fileName;
+            FileSize = fileSize;
+            FileFormat = fileFormat;
         }
     }
 }