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 +1,127 @@
+using AutoMapper;
+using IM.Commons;
+using MessageService.Domain.Enums;
+using MessageService.Domain.IReposities;
+using MessageService.Domain.KeyObjects;
+using MessageService.Domain.Tools;
+using MessageService.WebApi.Application.Dtos;
+using MessageService.WebApi.Application.IntegrationServices;
+
+namespace MessageService.WebApi.Application.Message
+{
+    public class MessageService
+    {
+        private readonly IMessageReposity reposity;
+        private readonly IConversationReposity conversationReposity;
+        private readonly IMapper mapper;
+        private readonly IGroupMemberIntegrationService memberService;
+        private readonly IContactIntegrationService contactService;
+        private readonly SquenceService squenceService;
+
+        public MessageService(IMessageReposity reposity, IConversationReposity conversationReposity, IMapper mapper, IGroupMemberIntegrationService memberService, IContactIntegrationService contactService, SquenceService squenceService)
+        {
+            this.reposity = reposity;
+            this.conversationReposity = conversationReposity;
+            this.mapper = mapper;
+            this.memberService = memberService;
+            this.contactService = contactService;
+            this.squenceService = squenceService;
+        }
+
+        public async Task<Result<MessageResponse>> SendMsgAsync(SendMsgCommand command)
+        {
+            if (command.ChatType == Domain.Enums.ChatType.PRIVATE)
+            {
+                bool passed = await contactService.CheckContactAsync(command.SenderId, command.TargetId);
+                if (!passed)
+                    return Result.Fail<MessageResponse>(ResultCode.FRIEND_RELATION_NOT_FOUND);
+            }
+            else
+            {
+                bool passed = await memberService.CheckGroupMemberAsync(command.SenderId, command.TargetId);
+                if (!passed)
+                    return Result.Fail<MessageResponse>(ResultCode.NO_GROUP_PERMISSION);
+            }
+
+            var ctx = new MessageCreateContext(command.ChatType, command.ClientMsgId, command.SenderId, command.TargetId);
+
+            var streamKey = command.ChatType == ChatType.GROUP ? StreamKeyBuilder.Group(ctx.TargetId) : StreamKeyBuilder.Private(ctx.SenderId, ctx.TargetId);
+            long sequenceId = await squenceService.GetNextSquenceIdAsync(streamKey);
+
+            Domain.Entities.Message message = command.MsgType switch
+            {
+                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.Video => Domain.Entities.Message.BuildVideo(ctx, command.Url!,
+                    command.Width ?? 0, command.Height ?? 0, command.Thumb!, sequenceId),
+
+                MessageType.Voice => Domain.Entities.Message.BuildVoice(ctx, command.Url!, command.Duration ?? 0, sequenceId),
+
+                _ => null
+            };
+
+            if (message == null)
+            {
+                return Result.Fail<MessageResponse>(ResultCode.UNSUPPORTED_MESSAGE_TYPE);
+            }
+
+            
+            if (command.QuoteMessageId.HasValue)
+            {
+                // 2. 处理引用逻辑（如果传了 QuoteMessageId）
+                QuoteInfo? quote = null;
+                var originMsg = await reposity.FindByIdAsync(command.QuoteMessageId.Value);
+                if (originMsg != null)
+                {
+                    quote = new QuoteInfo
+                    {
+                        MessageId = originMsg.Id,
+                        SenderId = originMsg.SenderId,
+                        SenderName = "未知昵称", // 这里建议从缓存或DB获取发送者昵称
+                        MessageType = originMsg.MsgType,
+                        Preview = originMsg.Content.Fallback
+                    };
+                }
+                message.WithQuote(quote);
+            }
+
+            
+
+            reposity.Create(message);
+
+            return Result.Success(mapper.Map<MessageResponse>(message));
+
+        }
+
+        public async Task<Result<object>> WithDrawMsgAsync(Guid msgId, Guid senderId)
+        {
+            var msg = await reposity.FindByIdAsync(msgId);
+            if (msg == null || msg.SenderId != senderId)
+            {
+                return Result.Fail<object>(ResultCode.MESSAGE_NOT_FOUND);
+            }
+
+            msg.Withdraw();
+
+            return Result.Success();
+        }
+
+        public async Task<Result<GetMessagesResponse>> GetMessagesAsync(GetMessageCommand command)
+        {
+            var conversation = await conversationReposity.FindByIdAsync(command.conversationId);
+
+            if(conversation is null || conversation.UserId != command.userId)
+            {
+                return Result.Fail<GetMessagesResponse>(ResultCode.PERMISSION_DENIED);
+            }
+
+
+            var messages = await reposity.GetAsync(conversation.StreamKey, command.cusor, command.direction, command.limit);
+
+            return Result.Success(new GetMessagesResponse(mapper.Map<List<MessageResponse>>(messages.messages.ToList()),messages.hasMore));
+        }
+    }
+}