package com.ruoyi.ai.controller;
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import com.ruoyi.ai.assistant.ApproveTodoAgent;
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import com.ruoyi.ai.assistant.ApproveTodoIntentExecutor;
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import com.ruoyi.ai.assistant.FileAnalyzeAgent;
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import com.ruoyi.ai.bean.ChatForm;
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import com.ruoyi.ai.context.AiSessionUserContext;
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import com.ruoyi.ai.service.AiChatSessionService;
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import com.ruoyi.ai.service.AiFileTextExtractor;
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import com.ruoyi.ai.store.MongoChatMemoryStore;
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import com.ruoyi.common.utils.SecurityUtils;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.framework.security.LoginUser;
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import com.ruoyi.framework.web.controller.BaseController;
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import com.ruoyi.framework.web.domain.AjaxResult;
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import dev.langchain4j.data.message.AiMessage;
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import dev.langchain4j.data.message.UserMessage;
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import io.swagger.v3.oas.annotations.Operation;
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import io.swagger.v3.oas.annotations.tags.Tag;
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import org.springframework.web.bind.annotation.DeleteMapping;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import org.springframework.web.multipart.MultipartFile;
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import reactor.core.publisher.Flux;
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import java.io.IOException;
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import java.util.List;
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import java.util.NoSuchElementException;
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import java.util.UUID;
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@Tag(name = "协同办公助手")
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@RestController
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@RequestMapping("/xiaozhi")
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public class XiaozhiController extends BaseController {
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private static final String FILE_ANALYZE_MEMORY_PREFIX = "file-analyze::";
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private final ApproveTodoAgent approveTodoAgent;
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private final ApproveTodoIntentExecutor approveTodoIntentExecutor;
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private final FileAnalyzeAgent fileAnalyzeAgent;
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private final AiSessionUserContext aiSessionUserContext;
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private final MongoChatMemoryStore mongoChatMemoryStore;
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private final AiFileTextExtractor aiFileTextExtractor;
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private final AiChatSessionService aiChatSessionService;
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public XiaozhiController(ApproveTodoAgent approveTodoAgent,
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ApproveTodoIntentExecutor approveTodoIntentExecutor,
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FileAnalyzeAgent fileAnalyzeAgent,
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AiSessionUserContext aiSessionUserContext,
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MongoChatMemoryStore mongoChatMemoryStore,
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AiFileTextExtractor aiFileTextExtractor,
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AiChatSessionService aiChatSessionService) {
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this.approveTodoAgent = approveTodoAgent;
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this.approveTodoIntentExecutor = approveTodoIntentExecutor;
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this.fileAnalyzeAgent = fileAnalyzeAgent;
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this.aiSessionUserContext = aiSessionUserContext;
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this.mongoChatMemoryStore = mongoChatMemoryStore;
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this.aiFileTextExtractor = aiFileTextExtractor;
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this.aiChatSessionService = aiChatSessionService;
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}
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@Operation(summary = "对话")
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@PostMapping(value = "/chat", produces = "text/stream;charset=utf-8")
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public Flux<String> chat(@RequestBody ChatForm chatForm) {
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if (!StringUtils.hasText(chatForm.getMemoryId())) {
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return Flux.just("memoryId不能为空");
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}
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if (!StringUtils.hasText(chatForm.getMessage())) {
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return Flux.just("message不能为空");
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}
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LoginUser loginUser = SecurityUtils.getLoginUser();
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String memoryId = chatForm.getMemoryId();
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String userMessage = chatForm.getMessage();
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aiSessionUserContext.bind(memoryId, loginUser);
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aiChatSessionService.touchSession(memoryId, loginUser, userMessage);
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String directResponse = approveTodoIntentExecutor.tryExecute(memoryId, userMessage);
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if (StringUtils.isNotEmpty(directResponse)) {
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mongoChatMemoryStore.appendMessages(
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memoryId,
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List.of(UserMessage.from(userMessage), AiMessage.from(directResponse))
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);
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aiChatSessionService.refreshSessionStats(memoryId, loginUser);
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return Flux.just(directResponse);
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}
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return approveTodoAgent.chat(memoryId, userMessage)
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.doOnComplete(() -> aiChatSessionService.refreshSessionStats(memoryId, loginUser))
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.doOnError(ex -> aiChatSessionService.refreshSessionStats(memoryId, loginUser));
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}
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@Operation(summary = "上传文件分析")
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@PostMapping(value = "/analyze-file", consumes = "multipart/form-data", produces = "text/stream;charset=utf-8")
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public Flux<String> analyzeFile(@RequestParam("file") MultipartFile file,
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@RequestParam(value = "message", required = false) String message,
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@RequestParam(value = "memoryId", required = false) String memoryId) {
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String rawMemoryId = StringUtils.hasText(memoryId) ? memoryId : UUID.randomUUID().toString();
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String finalMemoryId = rawMemoryId.startsWith(FILE_ANALYZE_MEMORY_PREFIX)
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? rawMemoryId
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: FILE_ANALYZE_MEMORY_PREFIX + rawMemoryId;
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LoginUser loginUser = SecurityUtils.getLoginUser();
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aiSessionUserContext.bind(finalMemoryId, loginUser);
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String finalMessage = StringUtils.hasText(message) ? message : "请分析这个文件的核心内容并给出总结";
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String fileText;
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try {
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fileText = aiFileTextExtractor.extractText(file);
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} catch (IllegalArgumentException ex) {
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return Flux.just(ex.getMessage());
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} catch (IOException ex) {
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return Flux.just("文件读取失败");
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}
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if (!StringUtils.hasText(fileText)) {
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return Flux.just("未提取到有效文件内容");
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}
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String limitedContent = fileText.length() > 12000 ? fileText.substring(0, 12000) : fileText;
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String userPrompt = "你将分析用户上传的文件内容。\n"
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+ "文件名: " + file.getOriginalFilename() + "\n"
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+ "用户问题: " + finalMessage + "\n"
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+ "文件内容如下:\n"
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+ limitedContent;
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aiChatSessionService.touchSession(finalMemoryId, loginUser, "文件分析: " + finalMessage);
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return Flux.defer(() -> fileAnalyzeAgent.chat(finalMemoryId, userPrompt))
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.onErrorResume(NoSuchElementException.class, ex -> {
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// DashScope 在历史消息兼容场景下可能抛 NoSuchElementException，清空后重试一次
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mongoChatMemoryStore.deleteMessages(finalMemoryId);
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return fileAnalyzeAgent.chat(finalMemoryId, userPrompt);
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})
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.doOnComplete(() -> aiChatSessionService.refreshSessionStats(finalMemoryId, loginUser))
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.doOnError(ex -> aiChatSessionService.refreshSessionStats(finalMemoryId, loginUser));
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}
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@Operation(summary = "会话列表")
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@GetMapping("/history/sessions")
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public AjaxResult listSessions() {
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return success(aiChatSessionService.listCurrentUserSessions(SecurityUtils.getLoginUser()));
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}
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@Operation(summary = "会话消息")
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@GetMapping("/history/messages/{memoryId}")
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public AjaxResult listMessages(@PathVariable String memoryId) {
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return success(aiChatSessionService.listCurrentUserMessages(memoryId, SecurityUtils.getLoginUser()));
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}
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@Operation(summary = "删除会话")
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@DeleteMapping("/history/{memoryId}")
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public AjaxResult deleteSession(@PathVariable String memoryId) {
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aiSessionUserContext.remove(memoryId);
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return toAjax(aiChatSessionService.deleteCurrentUserSession(memoryId, SecurityUtils.getLoginUser()));
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}
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}
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