package org.ruoyi.controller;
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import cn.dev33.satoken.stp.StpUtil;
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import jakarta.servlet.http.HttpServletRequest;
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import jakarta.servlet.http.HttpServletResponse;
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import jakarta.validation.Valid;
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import jakarta.validation.constraints.NotEmpty;
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import jakarta.validation.constraints.NotNull;
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import lombok.RequiredArgsConstructor;
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import org.ruoyi.common.chat.domain.request.ChatRequest;
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import org.ruoyi.common.chat.entity.chat.Message;
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import org.ruoyi.common.core.domain.R;
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import org.ruoyi.common.core.validate.AddGroup;
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import org.ruoyi.common.excel.utils.ExcelUtil;
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import org.ruoyi.common.log.annotation.Log;
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import org.ruoyi.common.log.enums.BusinessType;
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import org.ruoyi.common.mybatis.core.page.PageQuery;
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import org.ruoyi.common.mybatis.core.page.TableDataInfo;
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import org.ruoyi.common.satoken.utils.LoginHelper;
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import org.ruoyi.common.web.core.BaseController;
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import org.ruoyi.knowledge.chain.vectorstore.VectorStore;
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import org.ruoyi.knowledge.domain.bo.KnowledgeAttachBo;
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import org.ruoyi.knowledge.domain.bo.KnowledgeFragmentBo;
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import org.ruoyi.knowledge.domain.bo.KnowledgeInfoBo;
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import org.ruoyi.knowledge.domain.req.KnowledgeInfoUploadRequest;
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import org.ruoyi.knowledge.domain.vo.KnowledgeAttachVo;
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import org.ruoyi.knowledge.domain.vo.KnowledgeFragmentVo;
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import org.ruoyi.knowledge.domain.vo.KnowledgeInfoVo;
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import org.ruoyi.knowledge.service.EmbeddingService;
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import org.ruoyi.knowledge.service.IKnowledgeAttachService;
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import org.ruoyi.knowledge.service.IKnowledgeFragmentService;
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import org.ruoyi.knowledge.service.IKnowledgeInfoService;
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import org.ruoyi.system.service.ISseService;
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import org.springframework.validation.annotation.Validated;
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import org.springframework.web.bind.annotation.*;
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import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
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import java.util.List;
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/**
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* 知识库
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*
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* @author Lion Li
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* @date 2024-10-21
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*/
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@Validated
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@RequiredArgsConstructor
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@RestController
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@RequestMapping("/knowledge")
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public class KnowledgeController extends BaseController {
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private final IKnowledgeInfoService knowledgeInfoService;
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private final VectorStore vectorStore;
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private final IKnowledgeAttachService attachService;
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private final IKnowledgeFragmentService fragmentService;
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private final EmbeddingService embeddingService;
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private final ISseService sseService;
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/**
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* 知识库对话
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*/
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@PostMapping("/send")
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public SseEmitter send(@RequestBody @Valid ChatRequest chatRequest, HttpServletRequest request) {
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List<Message> messages = chatRequest.getMessages();
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// 获取知识库信息
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Message message = messages.get(messages.size() - 1);
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StringBuilder sb = new StringBuilder(message.getContent().toString());
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List<String> nearestList;
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List<Double> queryVector = embeddingService.getQueryVector(message.getContent().toString(), chatRequest.getKid());
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nearestList = vectorStore.nearest(queryVector, chatRequest.getKid());
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for (String prompt : nearestList) {
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sb.append("\n####").append(prompt);
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}
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sb.append( (nearestList.size() > 0 ? "\n\n注意：回答问题时，须严格根据我给你的系统上下文内容原文进行回答，请不要自己发挥,回答时保持原来文本的段落层级" : ""));
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message.setRole(Message.Role.USER.getName());
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message.setContent(sb.toString());
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return sseService.sseChat(chatRequest, request);
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}
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/**
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* 根据用户信息查询本地知识库
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*/
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@GetMapping("/list")
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public TableDataInfo<KnowledgeInfoVo> list(KnowledgeInfoBo bo, PageQuery pageQuery) {
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if(!StpUtil.isLogin()){
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return null;
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}
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bo.setUid(LoginHelper.getUserId());
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return knowledgeInfoService.queryPageList(bo, pageQuery);
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}
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/**
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* 新增知识库
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*/
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@Log(title = "知识库", businessType = BusinessType.INSERT)
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@PostMapping("/save")
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public R<Void> save(@Validated(AddGroup.class) @RequestBody KnowledgeInfoBo bo) {
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knowledgeInfoService.saveOne(bo);
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return R.ok();
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}
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/**
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* 删除知识库
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*/
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@PostMapping("/remove/{id}")
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public R<String> remove(@PathVariable String id){
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knowledgeInfoService.removeKnowledge(id);
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return R.ok("删除知识库成功!");
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}
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/**
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* 修改知识库
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*/
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@Log(title = "知识库", businessType = BusinessType.UPDATE)
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@PostMapping("/edit")
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public R<Void> edit( @RequestBody KnowledgeInfoBo bo) {
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return toAjax(knowledgeInfoService.updateByBo(bo));
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}
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/**
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* 导出知识库列表
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*/
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@Log(title = "知识库", businessType = BusinessType.EXPORT)
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@PostMapping("/export")
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public void export(KnowledgeInfoBo bo, HttpServletResponse response) {
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List<KnowledgeInfoVo> list = knowledgeInfoService.queryList(bo);
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ExcelUtil.exportExcel(list, "知识库", KnowledgeInfoVo.class, response);
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}
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/**
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* 查询知识附件信息
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*/
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@GetMapping("/detail/{kid}")
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public TableDataInfo<KnowledgeAttachVo> attach(KnowledgeAttachBo bo, PageQuery pageQuery,@PathVariable String kid){
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bo.setKid(kid);
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return attachService.queryPageList(bo, pageQuery);
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}
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/**
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* 上传知识库附件
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*/
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@PostMapping(value = "/attach/upload")
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public R<String> upload(KnowledgeInfoUploadRequest request){
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knowledgeInfoService.upload(request);
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return R.ok("上传知识库附件成功!");
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}
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/**
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* 获取知识库附件详细信息
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*
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* @param id 主键
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*/
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@GetMapping("attach/info/{id}")
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public R<KnowledgeAttachVo> getAttachInfo(@NotNull(message = "主键不能为空")
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@PathVariable Long id) {
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return R.ok(attachService.queryById(id));
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}
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/**
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* 删除知识库附件
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*
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*/
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@PostMapping("attach/remove/{docId}")
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public R<Void> removeAttach(@NotEmpty(message = "主键不能为空") @PathVariable String docId) {
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attachService.removeKnowledgeAttach(docId);
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return R.ok();
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}
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/**
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* 查询知识片段
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*/
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@GetMapping("/fragment/list/{docId}")
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public TableDataInfo<KnowledgeFragmentVo> fragmentList(KnowledgeFragmentBo bo, PageQuery pageQuery, @PathVariable String docId) {
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bo.setDocId(docId);
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return fragmentService.queryPageList(bo, pageQuery);
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}
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}
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