feat: mcp 测试版本

ageerle

2025-04-14 188dc1e55e3abbfb00397d67e2b4eed52cead356

 ruoyi-modules/ruoyi-chat/src/main/java/org/ruoyi/chat/service/chat/impl/OllamaServiceImpl.java

@@ -7,24 +7,13 @@
import io.github.ollama4j.models.chat.OllamaChatRequestModel;
import io.github.ollama4j.models.generate.OllamaStreamHandler;
import lombok.extern.slf4j.Slf4j;
import org.ruoyi.chat.service.chat.IChatService;
import org.ruoyi.chat.util.SSEUtil;
import org.ruoyi.common.chat.entity.chat.Message;
import org.ruoyi.common.chat.request.ChatRequest;
import org.ruoyi.domain.vo.ChatModelVo;
import org.ruoyi.service.IChatModelService;
import org.springframework.ai.chat.client.ChatClient;
import org.springframework.ai.chat.client.advisor.MessageChatMemoryAdvisor;
import org.springframework.ai.chat.memory.ChatMemory;
import org.springframework.ai.chat.memory.InMemoryChatMemory;
import org.springframework.ai.chat.messages.UserMessage;
import org.springframework.ai.ollama.api.OllamaModel;
import org.springframework.ai.ollama.api.OllamaOptions;
import org.springframework.ai.tool.ToolCallbackProvider;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Service;

import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;

import java.io.IOException;
@@ -35,27 +24,11 @@

@Service
@Slf4j
public class OllamaServiceImpl implements IChatService {
public class OllamaServiceImpl  {

    @Autowired
    private  IChatModelService chatModelService;
   @Autowired
   private  IChatModelService chatModelService;

    private final ChatClient chatClient;

    private final ChatMemory chatMemory = new InMemoryChatMemory();

    public OllamaServiceImpl(ChatClient.Builder chatClientBuilder,ToolCallbackProvider tools) {
        this.chatClient = chatClientBuilder
                .defaultTools(tools)
                .defaultOptions(
                        OllamaOptions.builder()
                                .model(OllamaModel.QWEN_2_5_7B)
                                .temperature(0.4)
                                .build())
                .build();
    }

    @Override
    public SseEmitter chat(ChatRequest chatRequest,SseEmitter emitter) {
        ChatModelVo chatModelVo = chatModelService.selectModelByName(chatRequest.getModel());
        String host = chatModelVo.getApiHost();
@@ -100,44 +73,4 @@
        return emitter;
    }

    @Override
    public SseEmitter mcpChat(ChatRequest chatRequest, SseEmitter emitter) {
        List<Message> msgList = chatRequest.getMessages();
        // 添加记忆
        for (int i = 0; i < msgList.size(); i++) {
            org.springframework.ai.chat.messages.Message springAiMessage = new UserMessage(msgList.get(i).getContent().toString());
            chatMemory.add(String.valueOf(i),springAiMessage);
        }
        var messageChatMemoryAdvisor = new MessageChatMemoryAdvisor(chatMemory, chatRequest.getUserId(), 10);

        this.chatClient.prompt(chatRequest.getPrompt())
                .advisors(messageChatMemoryAdvisor)
                .stream()
                .chatResponse()
                .subscribe(
                        chatResponse -> {
                            try {
                                emitter.send(chatResponse, MediaType.APPLICATION_JSON);
                            } catch (IOException e) {
                                e.printStackTrace();
                            }
                        },
                        error -> {
                            try {
                                emitter.completeWithError(error);
                            } catch (Exception e) {
                                e.printStackTrace();
                            }
                        },
                        () -> {
                            try {
                                emitter.complete();
                            } catch (Exception e) {
                                e.printStackTrace();
                            }
                        }
                );

        return emitter;
    }
}