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【优化】聊天 event stream 改为 flex 返回更加的优雅

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cherishsince 2024-05-07 17:22:23 +08:00
parent 708d66e8cf
commit 5579620140
8 changed files with 71 additions and 109 deletions
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26
yudao-module-ai/yudao-module-ai-biz/src/main/java/cn/iocoder/yudao/module/ai/controller/Utf8SseEmitter.java
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@ -1,26 +0,0 @@
package cn.iocoder.yudao.module.ai.controller;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
import java.nio.charset.StandardCharsets;
/**
* 解决中文乱码
*
* @author fansili
* @time 2024/4/14 15:13
* @since 1.0
*/
public class Utf8SseEmitter extends SseEmitter {
@Override
protected void extendResponse(ServerHttpResponse outputMessage) {
super.extendResponse(outputMessage);
HttpHeaders headers = outputMessage.getHeaders();
headers.setContentType(new MediaType(MediaType.TEXT_EVENT_STREAM, StandardCharsets.UTF_8));
}
}

11
yudao-module-ai/yudao-module-ai-biz/src/main/java/cn/iocoder/yudao/module/ai/controller/admin/chat/AiChatMessageController.java
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@ -1,10 +1,9 @@
package cn.iocoder.yudao.module.ai.controller.admin.chat;
import cn.iocoder.yudao.framework.common.pojo.CommonResult;
import cn.iocoder.yudao.module.ai.controller.Utf8SseEmitter;
import cn.iocoder.yudao.module.ai.controller.admin.chat.vo.message.AiChatMessageRespVO;
import cn.iocoder.yudao.module.ai.service.AiChatService;
import cn.iocoder.yudao.module.ai.controller.admin.chat.vo.message.AiChatMessageSendReqVO;
import cn.iocoder.yudao.module.ai.service.AiChatService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
@ -13,7 +12,7 @@ import lombok.extern.slf4j.Slf4j;
import org.springframework.http.MediaType;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
import reactor.core.publisher.Flux;
import java.util.List;
@ -39,10 +38,8 @@ public class AiChatMessageController {
// TODO @fan：要不要使用 Flux 来返回；可以使用 Flux<AiChatMessageRespVO>
@Operation(summary = "发送消息（流式）", description = "流式返回，响应较快")
@PostMapping(value = "/send-stream", produces = MediaType.TEXT_EVENT_STREAM_VALUE)
public SseEmitter sendMessageStream(@Validated @RequestBody AiChatMessageSendReqVO sendReqVO) {
Utf8SseEmitter sseEmitter = new Utf8SseEmitter();
chatService.chatStream(sendReqVO, sseEmitter);
return sseEmitter;
public Flux<AiChatMessageRespVO> sendMessageStream(@Validated @RequestBody AiChatMessageSendReqVO sendReqVO) {
return chatService.chatStream(sendReqVO);
}
@Operation(summary = "获得指定会话的消息列表")

13
yudao-module-ai/yudao-module-ai-biz/src/main/java/cn/iocoder/yudao/module/ai/controller/admin/image/AiImageController.java
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@ -1,10 +1,9 @@
package cn.iocoder.yudao.module.ai.controller.admin.image;
import cn.iocoder.yudao.framework.common.pojo.CommonResult;
import cn.iocoder.yudao.module.ai.controller.Utf8SseEmitter;
import cn.iocoder.yudao.module.ai.service.AiImageService;
import cn.iocoder.yudao.module.ai.controller.admin.image.vo.AiImageDallDrawingReq;
import cn.iocoder.yudao.module.ai.controller.admin.image.vo.AiImageMidjourneyReq;
import cn.iocoder.yudao.module.ai.service.AiImageService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import lombok.AllArgsConstructor;
@ -14,7 +13,6 @@ import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
// TODO @芋艿：整理接口定义
/**
@ -35,10 +33,11 @@ public class AiImageController {
@Operation(summary = "dall2/dall3绘画", description = "openAi dall3是付费的!")
@PostMapping("/dallDrawing")
public SseEmitter dallDrawing(@Validated @RequestBody AiImageDallDrawingReq req) {
Utf8SseEmitter sseEmitter = new Utf8SseEmitter();
aiImageService.dallDrawing(req, sseEmitter);
return sseEmitter;
public void dallDrawing(@Validated @RequestBody AiImageDallDrawingReq req) {
// Utf8SseEmitter sseEmitter = new Utf8SseEmitter();
// aiImageService.dallDrawing(req, sseEmitter);
// return sseEmitter;
}
@Operation(summary = "midjourney", description = "midjourney图片绘画流程：1、提交任务 2、获取完成的任务 3、选择对应功能 4、获取最终结果")

7
yudao-module-ai/yudao-module-ai-biz/src/main/java/cn/iocoder/yudao/module/ai/service/AiChatService.java
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@ -1,8 +1,8 @@
package cn.iocoder.yudao.module.ai.service;
import cn.iocoder.yudao.module.ai.controller.Utf8SseEmitter;
import cn.iocoder.yudao.module.ai.controller.admin.chat.vo.message.AiChatMessageRespVO;
import cn.iocoder.yudao.module.ai.controller.admin.chat.vo.message.AiChatMessageSendReqVO;
import reactor.core.publisher.Flux;
import java.util.List;
@ -26,11 +26,10 @@ public interface AiChatService {
/**
* chat stream
*
* @param req
* @param sseEmitter
* @param sendReqVO
* @return
*/
void chatStream(AiChatMessageSendReqVO req, Utf8SseEmitter sseEmitter);
Flux<AiChatMessageRespVO> chatStream(AiChatMessageSendReqVO sendReqVO);
/**
* 获取 - 获取对话 message list

4
yudao-module-ai/yudao-module-ai-biz/src/main/java/cn/iocoder/yudao/module/ai/service/AiImageService.java
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@ -1,6 +1,5 @@
package cn.iocoder.yudao.module.ai.service;
import cn.iocoder.yudao.module.ai.controller.Utf8SseEmitter;
import cn.iocoder.yudao.module.ai.controller.admin.image.vo.AiImageDallDrawingReq;
import cn.iocoder.yudao.module.ai.controller.admin.image.vo.AiImageMidjourneyReq;
@ -17,9 +16,8 @@ public interface AiImageService {
* ai绘画 - dall2/dall3 绘画
*
* @param req
* @param sseEmitter
*/
void dallDrawing(AiImageDallDrawingReq req, Utf8SseEmitter sseEmitter);
void dallDrawing(AiImageDallDrawingReq req);
/**
* midjourney 图片生成

71
yudao-module-ai/yudao-module-ai-biz/src/main/java/cn/iocoder/yudao/module/ai/service/impl/AiChatServiceImpl.java
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@ -9,7 +9,6 @@ import cn.iocoder.yudao.framework.ai.chat.messages.MessageType;
import cn.iocoder.yudao.framework.ai.chat.prompt.Prompt;
import cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils;
import cn.iocoder.yudao.module.ai.config.AiChatClientFactory;
import cn.iocoder.yudao.module.ai.controller.Utf8SseEmitter;
import cn.iocoder.yudao.module.ai.controller.admin.chat.vo.conversation.AiChatConversationRespVO;
import cn.iocoder.yudao.module.ai.controller.admin.chat.vo.message.AiChatMessageRespVO;
import cn.iocoder.yudao.module.ai.controller.admin.chat.vo.message.AiChatMessageSendReqVO;
@ -25,13 +24,12 @@ import cn.iocoder.yudao.module.ai.service.AiChatRoleService;
import cn.iocoder.yudao.module.ai.service.AiChatService;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import reactor.core.publisher.Flux;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.Consumer;
/**
@ -76,6 +74,7 @@ public class AiChatServiceImpl implements AiChatService {
chatModal.getModel(), chatModal.getId(), req.getContent(),
null, conversation.getTemperature(), conversation.getMaxTokens(), conversation.getMaxContexts());
String content = null;
int tokens = 0;
try {
// 创建 chat 需要的 Prompt
Prompt prompt = new Prompt(req.getContent());
@ -87,6 +86,7 @@ public class AiChatServiceImpl implements AiChatService {
ChatClient chatClient = aiChatClientFactory.getChatClient(platformEnum);
ChatResponse call = chatClient.call(prompt);
content = call.getResult().getOutput().getContent();
tokens = call.getResults().size();
// 更新 conversation
} catch (Exception e) {
content = ExceptionUtil.getMessage(e);
@ -94,7 +94,7 @@ public class AiChatServiceImpl implements AiChatService {
// 保存 chat message
insertChatMessage(conversation.getId(), MessageType.SYSTEM, loginUserId, conversation.getRoleId(),
chatModal.getModel(), chatModal.getId(), content,
null, conversation.getTemperature(), conversation.getMaxTokens(), conversation.getMaxContexts());
tokens, conversation.getTemperature(), conversation.getMaxTokens(), conversation.getMaxContexts());
}
return new AiChatMessageRespVO().setContent(content);
}
@ -123,8 +123,7 @@ public class AiChatServiceImpl implements AiChatService {
return insertChatMessageDO;
}
@Override
public void chatStream(AiChatMessageSendReqVO req, Utf8SseEmitter sseEmitter) {
public Flux<AiChatMessageRespVO> chatStream(AiChatMessageSendReqVO req) {
Long loginUserId = SecurityFrameworkUtils.getLoginUserId();
// 查询对话
AiChatConversationRespVO conversation = chatConversationService.getConversationOfValidate(req.getConversationId());
@ -144,47 +143,43 @@ public class AiChatServiceImpl implements AiChatService {
// req.setTopK(req.getTopK());
// req.setTopP(req.getTopP());
// req.setTemperature(req.getTemperature());
// 保存 chat message
// 保存 chat message
insertChatMessage(conversation.getId(), MessageType.USER, loginUserId, conversation.getRoleId(),
chatModal.getModel(), chatModal.getId(), req.getContent(),
null, conversation.getTemperature(), conversation.getMaxTokens(), conversation.getMaxContexts());
// 获取 client 类型
AiPlatformEnum platformEnum = AiPlatformEnum.valueOfPlatform(chatModal.getPlatform());
StreamingChatClient streamingChatClient = aiChatClientFactory.getStreamingChatClient(platformEnum);
Flux<ChatResponse> streamResponse = streamingChatClient.stream(prompt);
// 转换 flex AiChatMessageRespVO
StringBuffer contentBuffer = new StringBuffer();
streamResponse.subscribe(
new Consumer<ChatResponse>() {
@Override
public void accept(ChatResponse chatResponse) {
String content = chatResponse.getResults().get(0).getOutput().getContent();
try {
contentBuffer.append(content);
sseEmitter.send(new AiChatMessageRespVO().setContent(content), MediaType.APPLICATION_JSON);
} catch (IOException e) {
log.error("发送异常{}", ExceptionUtil.getMessage(e));
// 如果不是因为关闭而抛出异常，则重新连接
sseEmitter.completeWithError(e);
}
}
},
error -> {
//
log.error("subscribe错误 {}", ExceptionUtil.getMessage(error));
},
() -> {
log.info("发送完成!");
sseEmitter.complete();
// 保存 chat message
insertChatMessage(conversation.getId(), MessageType.SYSTEM, loginUserId, conversation.getRoleId(),
chatModal.getModel(), chatModal.getId(), contentBuffer.toString(),
null, conversation.getTemperature(), conversation.getMaxTokens(), conversation.getMaxContexts());
AtomicInteger tokens = new AtomicInteger(0);
return streamResponse.map(res -> {
AiChatMessageRespVO aiChatMessageRespVO = new AiChatMessageRespVO();
aiChatMessageRespVO.setContent(res.getResult().getOutput().getContent());
contentBuffer.append(res.getResult().getOutput().getContent());
tokens.incrementAndGet();
return aiChatMessageRespVO;
}
);
).doOnComplete(new Runnable() {
@Override
public void run() {
log.info("发送完成!");
// 保存 chat message
insertChatMessage(conversation.getId(), MessageType.SYSTEM, loginUserId, conversation.getRoleId(),
chatModal.getModel(), chatModal.getId(), contentBuffer.toString(),
tokens.get(), conversation.getTemperature(), conversation.getMaxTokens(), conversation.getMaxContexts());
}
}).doOnError(new Consumer<Throwable>() {
@Override
public void accept(Throwable throwable) {
log.error("发送错误 {}!", throwable.getMessage());
// 保存 chat message
insertChatMessage(conversation.getId(), MessageType.SYSTEM, loginUserId, conversation.getRoleId(),
chatModal.getModel(), chatModal.getId(), throwable.getMessage(),
tokens.get(), conversation.getTemperature(), conversation.getMaxTokens(), conversation.getMaxContexts());
}
});
}
@Override
@ -194,7 +189,7 @@ public class AiChatServiceImpl implements AiChatService {
// 获取对话所有 message
List<AiChatMessageDO> aiChatMessageDOList = aiChatMessageMapper.selectByConversationId(conversationId);
// 转换 AiChatMessageRespVO
return AiChatMessageConvert.INSTANCE.convertAiChatMessageRespVOList(aiChatMessageDOList);
return AiChatMessageConvert.INSTANCE.convertAiChatMessageRespVOList(aiChatMessageDOList);
}
@Override

40
yudao-module-ai/yudao-module-ai-biz/src/main/java/cn/iocoder/yudao/module/ai/service/impl/AiImageServiceImpl.java
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@ -5,8 +5,8 @@ import cn.iocoder.yudao.framework.ai.image.ImageGeneration;
import cn.iocoder.yudao.framework.ai.image.ImagePrompt;
import cn.iocoder.yudao.framework.ai.image.ImageResponse;
import cn.iocoder.yudao.framework.ai.imageopenai.OpenAiImageClient;
import cn.iocoder.yudao.framework.ai.imageopenai.enums.OpenAiImageModelEnum;
import cn.iocoder.yudao.framework.ai.imageopenai.OpenAiImageOptions;
import cn.iocoder.yudao.framework.ai.imageopenai.enums.OpenAiImageModelEnum;
import cn.iocoder.yudao.framework.ai.imageopenai.enums.OpenAiImageStyleEnum;
import cn.iocoder.yudao.framework.ai.midjourney.api.MidjourneyInteractionsApi;
import cn.iocoder.yudao.framework.ai.midjourney.webSocket.MidjourneyWebSocketStarter;
@ -14,22 +14,18 @@ import cn.iocoder.yudao.framework.ai.midjourney.webSocket.WssNotify;
import cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil;
import cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils;
import cn.iocoder.yudao.module.ai.ErrorCodeConstants;
import cn.iocoder.yudao.module.ai.controller.Utf8SseEmitter;
import cn.iocoder.yudao.module.ai.dal.dataobject.image.AiImageDO;
import cn.iocoder.yudao.module.ai.enums.AiChatDrawingStatusEnum;
import cn.iocoder.yudao.module.ai.dal.mysql.AiImageMapper;
import cn.iocoder.yudao.module.ai.service.AiImageService;
import cn.iocoder.yudao.module.ai.controller.admin.image.vo.AiImageDallDrawingReq;
import cn.iocoder.yudao.module.ai.controller.admin.image.vo.AiImageMidjourneyReq;
import cn.iocoder.yudao.module.ai.dal.dataobject.image.AiImageDO;
import cn.iocoder.yudao.module.ai.dal.mysql.AiImageMapper;
import cn.iocoder.yudao.module.ai.enums.AiChatDrawingStatusEnum;
import cn.iocoder.yudao.module.ai.service.AiImageService;
import jakarta.annotation.PostConstruct;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.io.IOException;
/**
* ai 作图
*
@ -64,7 +60,7 @@ public class AiImageServiceImpl implements AiImageService {
}
@Override
public void dallDrawing(AiImageDallDrawingReq req, Utf8SseEmitter sseEmitter) {
public void dallDrawing(AiImageDallDrawingReq req) {
// 获取 model
OpenAiImageModelEnum openAiImageModelEnum = OpenAiImageModelEnum.valueOfModel(req.getModal());
OpenAiImageStyleEnum openAiImageStyleEnum = OpenAiImageStyleEnum.valueOfStyle(req.getStyle());
@ -79,7 +75,7 @@ public class AiImageServiceImpl implements AiImageService {
// 发送
ImageGeneration imageGeneration = imageResponse.getResult();
// 发送信息
sendSseEmitter(sseEmitter, imageGeneration);
// sendSseEmitter(sseEmitter, imageGeneration);
// 保存数据库
doSave(req.getPrompt(), req.getSize(), req.getModal(),
imageGeneration.getOutput().getUrl(), AiChatDrawingStatusEnum.COMPLETE, null);
@ -88,7 +84,7 @@ public class AiImageServiceImpl implements AiImageService {
doSave(req.getPrompt(), req.getSize(), req.getModal(),
null, AiChatDrawingStatusEnum.FAIL, aiException.getMessage());
// 发送错误信息
sendSseEmitter(sseEmitter, aiException.getMessage());
// sendSseEmitter(sseEmitter, aiException.getMessage());
}
}
@ -105,16 +101,16 @@ public class AiImageServiceImpl implements AiImageService {
}
}
private static void sendSseEmitter(Utf8SseEmitter sseEmitter, Object object) {
try {
sseEmitter.send(object, MediaType.APPLICATION_JSON);
} catch (IOException e) {
throw new RuntimeException(e);
} finally {
// 发送 complete
sseEmitter.complete();
}
}
// private static void sendSseEmitter(Utf8SseEmitter sseEmitter, Object object) {
// try {
// sseEmitter.send(object, MediaType.APPLICATION_JSON);
// } catch (IOException e) {
// throw new RuntimeException(e);
// } finally {
// // 发送 complete
// sseEmitter.complete();
// }
// }
private AiImageDO doSave(String prompt,
String size,

8
yudao-server/src/main/resources/application-local.yaml
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@ -2,7 +2,6 @@ server:
port: 48080
--- #################### 数据库相关配置 ####################
spring:
# 数据源配置项
autoconfigure:
@ -79,7 +78,12 @@ spring:
port: 6379 # 端口
database: 0 # 数据库索引
# password: dev # 密码，建议生产环境开启
server:
servlet:
encoding:
enabled: true
charset: UTF-8
force: true
--- #################### 定时任务相关配置 ####################
# Quartz 配置项，对应 QuartzProperties 配置类