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+package com.usky.ai.controller.web;
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+
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+import com.alibaba.dashscope.aigc.generation.Generation;
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+import com.alibaba.dashscope.aigc.generation.GenerationParam;
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+import com.alibaba.dashscope.aigc.generation.GenerationResult;
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+import com.alibaba.dashscope.common.Message;
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+import com.alibaba.dashscope.common.Role;
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+import com.alibaba.dashscope.exception.InputRequiredException;
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+import com.alibaba.dashscope.exception.NoApiKeyException;
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+import com.fasterxml.jackson.databind.JsonNode;
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+import com.fasterxml.jackson.databind.ObjectMapper;
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+import com.usky.ai.mapper.AiQuestionMapper;
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+import com.usky.ai.mapper.AiSessionMapper;
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+import com.usky.ai.service.AiQuestion;
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+import com.usky.ai.service.AiSession;
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+import com.usky.common.security.utils.SecurityUtils;
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+import lombok.extern.slf4j.Slf4j;
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+import org.springframework.beans.factory.annotation.Autowired;
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+import org.springframework.beans.factory.annotation.Value;
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+import org.springframework.http.MediaType;
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+import org.springframework.http.ResponseEntity;
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+import org.springframework.web.bind.annotation.*;
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+import org.springframework.web.servlet.mvc.method.annotation.StreamingResponseBody;
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+
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+import javax.annotation.Resource;
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+import java.io.IOException;
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+import java.nio.charset.StandardCharsets;
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+import java.time.LocalDateTime;
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+import java.util.List;
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+import java.util.stream.Collectors;
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+
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+@Slf4j
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+@RestController
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+@RequestMapping("/ai")
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+public class AiChatController {
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+
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+ @Value("${ai.api.key}")
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+ private String apiKey;
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+
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+ @Resource
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+ private Generation generation;
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+
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+ @Autowired
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+ private AiQuestionMapper aiQuestionMapper;
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+
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+ @Autowired
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+ private AiSessionMapper aiSessionMapper;
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+
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+ private final ObjectMapper objectMapper = new ObjectMapper();
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+
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+ // 阿里百炼通义千问大模型
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+ @PostMapping(value = "/aliTyqw", produces = MediaType.TEXT_EVENT_STREAM_VALUE)
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+ public ResponseEntity<StreamingResponseBody> send1(@RequestBody String content, @RequestParam(required = false) String sessionId) throws NoApiKeyException, InputRequiredException {
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+ // 获取当前登录用户的信息
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+ Long userId = SecurityUtils.getUserId();
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+ String userName = SecurityUtils.getLoginUser().getSysUser().getNickName();
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+
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+ // 如果没有传入 sessionId,则创建一个新的会话ID
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+ if (sessionId == null || sessionId.isEmpty()) {
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+ sessionId = java.util.UUID.randomUUID().toString();
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+
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+
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+ // 解析 JSON 并提取 "content" 字段的值
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+ String questionText;
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+ try {
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+ JsonNode jsonNode = objectMapper.readTree(content);
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+ questionText = jsonNode.get("content").asText(); // 提取 "content" 字段的值
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+ } catch (IOException e) {
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+ log.error("Error parsing JSON content", e);
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+ return ResponseEntity.badRequest().body(outputStream -> {
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+ outputStream.write("Invalid JSON format".getBytes(StandardCharsets.UTF_8));
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+ outputStream.flush();
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+ });
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+ }
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+
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+ // 检查是否已经存在相同的 sessionId
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+ boolean exists = aiSessionMapper.existsBySessionId(sessionId);
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+
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+ if (!exists) {
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+ // 创建新的 AiSession 实体并存入数据库
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+ AiSession aiSession = new AiSession();
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+ aiSession.setSessionId(sessionId);
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+ aiSession.setUserId(userId);
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+ aiSession.setUserName(userName);
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+ aiSession.setQuestion(questionText);
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+ aiSession.setAskTime(LocalDateTime.now());
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+ aiSessionMapper.save(aiSession);
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+ }
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+ }
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+
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+ // 获取当前用户的对话历史
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+ List<AiQuestion> conversationHistory = aiQuestionMapper.findByUserIdAndSessionId(sessionId, userId);
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+
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+ // 构建对话历史消息
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+ List<Message> messages = conversationHistory.stream()
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+ .map(q -> Message.builder()
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+ .role(q.getUserId().equals(userId) ? Role.USER.getValue() : Role.ASSISTANT.getValue())
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+ .content(q.getUserId().equals(userId) ? q.getQuestion() : q.getAnswer())
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+ .build())
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+ .collect(Collectors.toList());
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+
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+ // 解析 JSON 并提取 "content" 字段的值
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+ String questionText;
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+ try {
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+ JsonNode jsonNode = objectMapper.readTree(content);
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+ questionText = jsonNode.get("content").asText(); // 提取 "content" 字段的值
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+ } catch (IOException e) {
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+ log.error("Error parsing JSON content", e);
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+ return ResponseEntity.badRequest().body(outputStream -> {
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+ outputStream.write("Invalid JSON format".getBytes(StandardCharsets.UTF_8));
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+ outputStream.flush();
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+ });
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+ }
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+
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+ // 添加用户的新消息
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+ Message userMessage = Message.builder()
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+ .role(Role.USER.getValue())
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+ .content(questionText) // 使用提取的文本
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+ .build();
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+ messages.add(userMessage);
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+
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+ // 构建模型调用参数
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+ GenerationParam param = GenerationParam.builder()
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+ .model("qwen-turbo")
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+ .messages(messages)
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+ .resultFormat(GenerationParam.ResultFormat.MESSAGE)
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+ .topP(0.8)
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+ .apiKey(apiKey)
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+ .enableSearch(true)
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+ .build();
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+
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+ String finalSessionId = sessionId;
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+ return ResponseEntity.ok()
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+ .contentType(MediaType.TEXT_EVENT_STREAM)
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+ .body(outputStream -> {
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+ try {
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+ GenerationResult generationResult = generation.call(param);
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+
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+ // 获取回答内容
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+ String answer = generationResult.getOutput().getChoices().get(0).getMessage().getContent();
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+
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+ // 将回答内容写入输出流
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+ outputStream.write(answer.getBytes(StandardCharsets.UTF_8));
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+ outputStream.flush();
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+
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+ // 创建实体并保存到数据库
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+ AiQuestion aiQuestion = new AiQuestion();
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+ aiQuestion.setModel("qwen-turbo");
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+ aiQuestion.setSessionId(finalSessionId);
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+ aiQuestion.setUserId(userId);
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+ aiQuestion.setUserName(userName);
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+ aiQuestion.setQuestion(questionText); // 存入提取的文本
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+ aiQuestion.setAnswer(answer);
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+ aiQuestion.setAskTime(LocalDateTime.now());
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+ aiQuestionMapper.save(aiQuestion);
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+ } catch (IOException | NoApiKeyException | InputRequiredException e) {
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+ log.error("Error processing request", e);
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+ outputStream.write("Error processing request".getBytes(StandardCharsets.UTF_8));
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+ outputStream.flush();
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+ } finally {
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+ outputStream.close();
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+ }
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+ });
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+ }
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+
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+ // 阿里百炼DeepSeek大模型
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+ @PostMapping(value = "/aliDeepSeek", produces = MediaType.TEXT_EVENT_STREAM_VALUE)
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+ public ResponseEntity<StreamingResponseBody> send2(@RequestBody String content, @RequestParam(required = false) String sessionId) throws NoApiKeyException, InputRequiredException {
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+ // 获取当前登录用户的信息
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+ Long userId = SecurityUtils.getUserId();
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+ String userName = SecurityUtils.getLoginUser().getSysUser().getNickName();
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+
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+ // 如果没有传入 sessionId,则创建一个新的会话ID
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+ if (sessionId == null || sessionId.isEmpty()) {
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+ sessionId = java.util.UUID.randomUUID().toString();
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+ }
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+
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+ // 获取当前用户的对话历史
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+ List<AiQuestion> conversationHistory = aiQuestionMapper.findByUserIdAndSessionId(sessionId, userId);
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+
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+ // 构建对话历史消息
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+ List<Message> messages = conversationHistory.stream()
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+ .map(q -> Message.builder()
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+ .role(q.getUserId().equals(userId) ? Role.USER.getValue() : Role.ASSISTANT.getValue())
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+ .content(q.getUserId().equals(userId) ? q.getQuestion() : q.getAnswer())
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+ .build())
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+ .collect(Collectors.toList());
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+
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+ // 解析 JSON 并提取 "content" 字段的值
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+ String questionText;
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+ try {
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+ JsonNode jsonNode = objectMapper.readTree(content);
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+ questionText = jsonNode.get("content").asText(); // 提取 "content" 字段的值
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+ } catch (IOException e) {
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+ log.error("Error parsing JSON content", e);
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+ return ResponseEntity.badRequest().body(outputStream -> {
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+ outputStream.write("Invalid JSON format".getBytes(StandardCharsets.UTF_8));
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+ outputStream.flush();
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+ });
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+ }
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+
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+ // 添加用户的新消息
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+ Message userMessage = Message.builder()
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+ .role(Role.USER.getValue())
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+ .content(questionText) // 使用提取的文本
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+ .build();
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+ messages.add(userMessage);
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+
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+ // 构建模型调用参数
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+ GenerationParam param = GenerationParam.builder()
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+ .model("deepseek-v3")
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+ .messages(messages)
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+ .resultFormat(GenerationParam.ResultFormat.MESSAGE)
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+ .apiKey(apiKey)
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+ .build();
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+
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+ String finalSessionId = sessionId;
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+ return ResponseEntity.ok()
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+ .contentType(MediaType.TEXT_EVENT_STREAM)
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+ .body(outputStream -> {
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+ try {
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+ GenerationResult generationResult = generation.call(param);
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+
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+ // 获取回答内容
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+ String answer = generationResult.getOutput().getChoices().get(0).getMessage().getContent();
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+
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+ // 将回答内容写入输出流
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+ outputStream.write(answer.getBytes(StandardCharsets.UTF_8));
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+ outputStream.flush();
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+
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+ // 创建实体并保存到数据库
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+ AiQuestion aiQuestion = new AiQuestion();
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+ aiQuestion.setModel("deepseek-v3");
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+ aiQuestion.setSessionId(finalSessionId);
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+ aiQuestion.setUserId(userId);
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+ aiQuestion.setUserName(userName);
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+ aiQuestion.setQuestion(questionText); // 存入提取的文本
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+ aiQuestion.setAnswer(answer);
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+ aiQuestion.setAskTime(LocalDateTime.now());
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+ aiQuestionMapper.save(aiQuestion);
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+ } catch (IOException | NoApiKeyException | InputRequiredException e) {
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+ log.error("Error processing request", e);
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+ outputStream.write("Error processing request".getBytes(StandardCharsets.UTF_8));
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+ outputStream.flush();
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+ } finally {
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+ outputStream.close();
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+ }
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+ });
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+ }
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+}
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