导师模拟对话生成

manager/src/main/java/org/jiayunet/controller/MentorMockChatController.java

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+package org.jiayunet.controller;
+
+import lombok.AllArgsConstructor;
+import org.jiayunet.pojo.dto.mentor.MentorMockChatDto;
+import org.jiayunet.service.MentorMockChatService;
+import org.springframework.web.bind.annotation.*;
+
+/**
+ * 导师模拟对话接口
+ *
+ * @author zk
+ */
+@RestController
+@RequestMapping("/public/mentor")
+@AllArgsConstructor
+public class MentorMockChatController {
+
+    private final MentorMockChatService mentorMockChatService;
+
+    /**
+     * 生成导师模拟对话
+     *
+     * @param mentorId 导师ID
+     */
+    @GetMapping("/mockChat")
+    public MentorMockChatDto generateMockChat(@RequestParam Long mentorId) {
+        return mentorMockChatService.generate(mentorId);
+    }
+}

manager/src/main/java/org/jiayunet/mapper/MentorMockChatMapper.java

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+package org.jiayunet.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.jiayunet.pojo.po.MentorMockChat;
+
+/**
+ * 导师模拟对话Mapper
+ *
+ * @author zk
+ */
+public interface MentorMockChatMapper extends BaseMapper<MentorMockChat> {
+}

manager/src/main/java/org/jiayunet/pojo/dto/mentor/MentorMockChatDto.java

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+package org.jiayunet.pojo.dto.mentor;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+/**
+ * 导师模拟对话DTO
+ *
+ * @author zk
+ */
+@Data
+public class MentorMockChatDto {
+
+    /** 对话消息列表 */
+    private List<Message> messages;
+
+    @Data
+    @AllArgsConstructor
+    @NoArgsConstructor
+    public static class Message {
+        /** 角色：user=用户，mentor=导师 */
+        private String role;
+        /** 消息内容 */
+        private String content;
+    }
+}

manager/src/main/java/org/jiayunet/pojo/po/MentorMockChat.java

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+package org.jiayunet.pojo.po;
+
+import com.baomidou.mybatisplus.annotation.*;
+import com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler;
+import lombok.Data;
+
+import java.time.Instant;
+import java.util.List;
+
+/**
+ * 导师模拟对话表（bg_mentor_mock_chat）
+ * <p>缓存AI生成的导师模拟对话，按导师ID唯一</p>
+ *
+ * @author zk
+ */
+@Data
+@TableName(value = "bg_mentor_mock_chat", autoResultMap = true)
+public class MentorMockChat {
+
+    @TableId(type = IdType.ASSIGN_ID)
+    private Long id;
+
+    /** 导师ID */
+    private Long mentorId;
+
+    /** 对话消息列表（JSON数组） */
+    @TableField(typeHandler = JacksonTypeHandler.class)
+    private List<ChatMessage> messages;
+
+    /** 创建时间 */
+    private Instant createTime;
+
+    /**
+     * 对话消息项
+     */
+    @Data
+    public static class ChatMessage {
+        /** 角色：user=用户，mentor=导师 */
+        private String role;
+        /** 消息内容 */
+        private String content;
+    }
+}

manager/src/main/java/org/jiayunet/service/MentorMockChatService.java

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+package org.jiayunet.service;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.fasterxml.jackson.core.type.TypeReference;
+import lombok.extern.slf4j.Slf4j;
+import org.jiayunet.ai.AiChatAbility;
+import org.jiayunet.ai.AiResponseCleanTool;
+import org.jiayunet.mapper.MentorMockChatMapper;
+import org.jiayunet.pojo.dto.mentor.MentorMockChatDto;
+import org.jiayunet.pojo.po.MentorMockChat;
+import org.jiayunet.remote.jsxq.JsxqClient;
+import org.jiayunet.remote.jsxq.pojo.dto.MentorFullInfoDto;
+import org.jiayunet.remote.jsxq.pojo.dto.TeacherTalkDto;
+import org.jiayunet.tool.HttpTool;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.util.Assert;
+
+import java.time.Instant;
+import java.util.List;
+
+/**
+ * 导师模拟对话生成服务
+ * <p>依赖：JsxqClient（获取导师信息和话题）、AiChatAbility（AI生成对话）、MentorMockChatMapper（缓存入库）</p>
+ * <p>使用表：bg_mentor_mock_chat（查询/写入缓存）</p>
+ *
+ * @author zk
+ */
+@Slf4j
+@Service
+public class MentorMockChatService {
+
+    @Autowired
+    private JsxqClient jsxqClient;
+
+    @Autowired
+    private AiChatAbility aiChatAbility;
+
+    @Autowired
+    private MentorMockChatMapper mentorMockChatMapper;
+
+    /**
+     * 获取导师模拟对话
+     * <p>1. 查库，有缓存直接返回 2. 无缓存则获取导师信息+随机话题 3. AI生成 4. 入库 5. 返回</p>
+     *
+     * @param mentorId 导师ID
+     * @return 模拟对话
+     */
+    public MentorMockChatDto generate(Long mentorId) {
+        // 1. 查缓存
+        MentorMockChat existing = mentorMockChatMapper.selectOne(new LambdaQueryWrapper<MentorMockChat>().eq(MentorMockChat::getMentorId, mentorId));
+        if (existing != null) {
+            MentorMockChatDto dto = new MentorMockChatDto();
+            dto.setMessages(existing.getMessages().stream()
+                    .map(m -> new MentorMockChatDto.Message(m.getRole(), m.getContent()))
+                    .toList());
+            return dto;
+        }
+
+        // 2. 获取导师信息
+        MentorFullInfoDto mentorInfo = jsxqClient.selectMentorFullInfo(mentorId);
+        Assert.notNull(mentorInfo, "导师不存在");
+
+        // 3. 获取话题列表（无话题时仅用导师资料生成）
+        List<TeacherTalkDto> talks = jsxqClient.selectTalk(mentorInfo.getId());
+
+        // 4. 构建prompt，调用AI生成
+        String systemPrompt = buildSystemPrompt();
+        String userMessage = buildUserMessage(mentorInfo, talks);
+        String aiResponse = aiChatAbility.chat(systemPrompt, userMessage);
+        String json = AiResponseCleanTool.clean(aiResponse);
+
+        // 5. 解析
+        List<MentorMockChat.ChatMessage> chatMessages;
+        try {
+            chatMessages = HttpTool.objectMapper.readValue(json, new TypeReference<>() {});
+        } catch (Exception e) {
+            log.warn("模拟对话AI返回解析失败: {}", json, e);
+            throw new RuntimeException("模拟对话生成失败", e);
+        }
+
+        // 6. 入库
+        MentorMockChat record = new MentorMockChat();
+        record.setMentorId(mentorId);
+        record.setMessages(chatMessages);
+        record.setCreateTime(Instant.now());
+        mentorMockChatMapper.insert(record);
+
+        // 7. 返回
+        MentorMockChatDto dto = new MentorMockChatDto();
+        dto.setMessages(chatMessages.stream()
+                .map(m -> new MentorMockChatDto.Message(m.getRole(), m.getContent()))
+                .toList());
+        return dto;
+    }
+
+    /**
+     * 构建系统提示词
+     */
+    private String buildSystemPrompt() {
+        return """
+                你是一个对话生成器。根据提供的导师资料和话题信息，生成一段求职者与导师之间的模拟对话。
+                
+                要求：
+                1. 对话轮数：2~3轮（随机），每轮由一条用户消息+一条导师消息组成
+                2. 用户消息：简短口语化，10~30字，带有真实困惑或追问
+                3. 导师消息：字数浮动，有长有短，短的10~30字，长的40~80字，体现专业性
+                4. 对话内容必须与导师的真实职业背景和话题方向强相关
+                5. 语气自然，像真实的即时通讯对话，不要书面化
+                6. 用户是求职者/应届生身份，导师根据自己的行业经验给出建议
+                
+                返回JSON数组格式：
+                [{"role":"user","content":"..."},{"role":"mentor","content":"..."},...]
+                
+                只返回JSON，不要任何额外说明。""";
+    }
+
+    /**
+     * 构建用户消息（导师资料+全部话题信息）
+     */
+    private String buildUserMessage(MentorFullInfoDto mentorInfo, List<TeacherTalkDto> talks) {
+        StringBuilder sb = new StringBuilder();
+        sb.append("【导师资料】\n");
+
+        MentorFullInfoDto.MentorInfo info = mentorInfo.getMentorInfo();
+        if (info != null) {
+            if (info.getNickName() != null) sb.append("昵称：").append(info.getNickName()).append("\n");
+            if (info.getIntroduce() != null) sb.append("介绍：").append(info.getIntroduce()).append("\n");
+            if (info.getEverCompany() != null) sb.append("曾任公司：").append(info.getEverCompany()).append("\n");
+        }
+
+        // 认证信息
+        MentorFullInfoDto.Verification v = mentorInfo.getVerification();
+        if (v != null) {
+            if (v.getWorking() != null) {
+                sb.append("公司：").append(v.getWorking().getCompanyName())
+                  .append(" 职位：").append(v.getWorking().getPosition())
+                  .append(" 从业").append(v.getWorking().getTerm()).append("年\n");
+            } else if (v.getStaff() != null) {
+                sb.append("院校：").append(v.getStaff().getSchoolName())
+                  .append(" 职位：").append(v.getStaff().getPosition()).append("\n");
+            } else if (v.getStudent() != null) {
+                sb.append("院校：").append(v.getStudent().getSchoolName())
+                  .append(" 专业：").append(v.getStudent().getMajor()).append("\n");
+            } else if (v.getCareer() != null) {
+                sb.append("机构：").append(v.getCareer().getAgencyName())
+                  .append(" 职位：").append(v.getCareer().getPosition())
+                  .append(" 从业").append(v.getCareer().getTerm()).append("年\n");
+            }
+        }
+
+        // 标签
+        List<MentorFullInfoDto.LabelRelation> labels = mentorInfo.getLabelRelations();
+        if (labels != null && !labels.isEmpty()) {
+            sb.append("标签：");
+            labels.forEach(l -> sb.append(l.getLabelName()).append("、"));
+            sb.setLength(sb.length() - 1);
+            sb.append("\n");
+        }
+
+        // 全部话题
+        if (talks != null && !talks.isEmpty()) {
+            sb.append("\n【话题列表】\n");
+            for (int i = 0; i < talks.size(); i++) {
+                TeacherTalkDto talk = talks.get(i);
+                sb.append(i + 1).append(". ").append(talk.getTitle());
+                if (talk.getContent() != null) sb.append("（").append(talk.getContent()).append("）");
+                if (talk.getTags() != null) sb.append(" [").append(talk.getTags()).append("]");
+                sb.append("\n");
+            }
+        }
+
+        return sb.toString();
+    }
+}