760 lines
28 KiB
TypeScript
760 lines
28 KiB
TypeScript
import { useBoolean, useGetState } from 'ahooks';
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import { Layout, theme } from 'antd';
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import { useEffect, useRef, useState } from 'react';
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import ChatInput from './chat-input';
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import ChatMessage from './chat-message';
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import ChatSidebar, { type ChatSidebarRef } from './sidebar';
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// import Header from '../layout/Header';
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import type { ChatItem, ConversationItem } from '~/api/dify-chat';
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import { fetchAppParams, fetchChatList, fetchConversations } from '~/api/dify-chat';
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import { CHAT_CONFIG } from '../../config/chat';
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import useChatMessage from '../../hooks/use-chat-message';
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import useConversation from '../../hooks/use-conversation';
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import { useChatApps } from '../../hooks/dify-chat-apps/useChatApps';
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import '../../styles/components/chat-with-llm/index.css';
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const { Content } = Layout;
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// 扩展 Window 接口以支持自定义属性
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declare global {
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interface Window {
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hasSetInitialSidebarState?: boolean;
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}
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}
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interface ChatTheme {
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colorBgContainer: string;
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borderRadiusLG: number;
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}
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/**
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* 获取主题token - 避免在SSR环境中调用
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*/
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function useChatTheme(): ChatTheme {
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// Ant Design的theme.useToken()必须在组件顶层调用，不能放在useEffect中
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const antdToken = typeof window !== 'undefined' ? theme.useToken().token : null;
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return {
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colorBgContainer: antdToken?.colorBgContainer || '#ffffff',
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borderRadiusLG: antdToken?.borderRadiusLG || 8,
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};
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}
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/**
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* 主聊天组件
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* 实现单页面应用模式，参考webapp-conversation的初始化逻辑
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*/
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export default function Chat() {
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// 侧边栏状态
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const [sidebarCollapsed, setSidebarCollapsed] = useState(false);
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const [isMobile, setIsMobile] = useState(false);
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// 获取主题配置，避免SSR错误
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const { colorBgContainer, borderRadiusLG } = useChatTheme();
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// 对话应用管理
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const {
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chatApps,
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loadingChatApps,
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currentChatApp,
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handleChatAppChange: originalHandleChatAppChange,
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} = useChatApps();
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// 调试日志 - 监听chatApps和currentChatApp变化
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useEffect(() => {
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console.log('[Chat] chatApps 更新:', {
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count: chatApps.length,
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apps: chatApps.map(app => ({
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app_id: app.app_id,
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app_name: app.app_name,
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is_default: app.is_default
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}))
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});
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}, [chatApps]);
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useEffect(() => {
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console.log('[Chat] currentChatApp 更新:', currentChatApp ? {
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app_id: currentChatApp.app_id,
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app_name: currentChatApp.app_name,
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is_default: currentChatApp.is_default
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} : 'null');
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}, [currentChatApp]);
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// 会话管理
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const {
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conversationList,
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setConversationList,
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currConversationId,
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getCurrConversationId,
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setCurrConversationId,
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getConversationIdFromStorage,
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isNewConversation,
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currInputs,
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newConversationInputs,
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resetNewConversationInputs,
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setCurrInputs,
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currConversationInfo,
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setNewConversationInfo,
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setExistConversationInfo,
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addConversationToList,
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updateConversationInList,
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removeConversationFromList,
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} = useConversation();
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// 消息管理
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const {
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chatList,
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setChatList,
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getChatList,
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isResponding,
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handleSend,
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stopResponding,
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handleFeedback,
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} = useChatMessage({
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onUpdateConversationList: updateConversationInList,
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onConversationIdChange: async (conversationId: string) => {
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console.log('🔄 [Chat] 收到会话ID变更通知:', {
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oldConversationId: currConversationId,
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newConversationId: conversationId,
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willUpdateLocalStorage: true
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});
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// 设置当前会话ID（这会触发localStorage更新）
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setCurrConversationId(conversationId, CHAT_CONFIG.APP_ID);
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// 如果是新会话，添加到会话列表
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const existingConversation = conversationList.find(item => item.id === conversationId);
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if (!existingConversation) {
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// console.log('🆕 添加新会话到列表:', conversationId);
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const newConversation = {
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id: conversationId,
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name: '新对话',
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inputs: currInputs || {},
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introduction: '',
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};
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addConversationToList(newConversation);
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// 检查是否需要自动重命名（新对话的第一条消息）
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if (!newConversationFirstMessageSent.has(conversationId)) {
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// console.log('🏷️ 新对话第一条消息，准备自动重命名:', conversationId);
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// 标记该对话已发送第一条消息
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setNewConversationFirstMessageSent(prev => new Set(prev).add(conversationId));
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// 延迟一下确保组件状态已更新
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setTimeout(async () => {
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try {
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if (sidebarRef.current) {
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await sidebarRef.current.autoRename(conversationId);
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// console.log('✅ 新对话自动重命名完成:', conversationId);
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} else {
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console.warn('⚠️ 侧边栏引用不可用，无法自动重命名');
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}
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} catch (error) {
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console.error('❌ 新对话自动重命名失败:', error);
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}
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}, 1000);
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}
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}
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},
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});
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// 应用状态
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const [appUnavailable, setAppUnavailable] = useState<boolean>(false);
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const [isUnknownReason, setIsUnknownReason] = useState<boolean>(false);
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const [inited, setInited] = useState<boolean>(false);
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const [promptConfig, setPromptConfig] = useState<any>(null);
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// 会话状态管理
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const [conversationIdChangeBecauseOfNew, setConversationIdChangeBecauseOfNew, getConversationIdChangeBecauseOfNew] = useGetState(false);
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const [isChatStarted, { setTrue: setChatStarted, setFalse: setChatNotStarted }] = useBoolean(false);
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// 聊天列表容器引用
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const chatListDomRef = useRef<HTMLDivElement>(null);
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// 侧边栏组件引用
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const sidebarRef = useRef<ChatSidebarRef>(null);
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// 跟踪新对话是否已发送第一条消息
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const [newConversationFirstMessageSent, setNewConversationFirstMessageSent] = useState<Set<string>>(new Set());
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// 检查应用配置 - 现在客户端通过Remix API routes调用，不需要APP_KEY
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// 只检查API_URL是否配置
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const hasSetAppConfig = !!CHAT_CONFIG.API_URL;
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/**
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* 处理开始聊天
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*/
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const handleStartChat = (inputs: Record<string, any>) => {
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createNewChat();
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setConversationIdChangeBecauseOfNew(true);
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setCurrInputs(inputs);
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setChatStarted();
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// 解析变量并生成开场白
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setChatList(generateNewChatListWithOpenStatement('', inputs));
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};
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/**
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* 创建新聊天
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*/
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const createNewChat = () => {
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setChatList([]);
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setChatNotStarted();
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resetNewConversationInputs();
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};
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/**
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* 生成带开场白的新聊天列表
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*/
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const generateNewChatListWithOpenStatement = (introduction?: string, inputs?: Record<string, any> | null): ChatItem[] => {
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const newChatList: ChatItem[] = [];
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if (introduction) {
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newChatList.push({
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id: `opening-statement-${Date.now()}`,
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content: introduction,
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isAnswer: true,
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isOpeningStatement: true,
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});
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}
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return newChatList;
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};
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/**
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* 处理会话切换
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*/
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const handleConversationSwitch = async () => {
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if (!inited) {
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return;
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}
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// console.log('🔄 处理会话切换:', { currConversationId, isNewConversation });
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// 更新当前会话的输入
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let notSyncToStateIntroduction = '';
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let notSyncToStateInputs: Record<string, any> | undefined | null = {};
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if (!isNewConversation) {
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const item = conversationList.find(item => item.id === currConversationId);
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notSyncToStateInputs = item?.inputs || {};
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setCurrInputs(notSyncToStateInputs as any);
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notSyncToStateIntroduction = item?.introduction || '';
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setExistConversationInfo({
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name: item?.name || '',
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introduction: notSyncToStateIntroduction,
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});
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} else {
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notSyncToStateInputs = newConversationInputs;
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setCurrInputs(notSyncToStateInputs);
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}
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// 更新当前会话的聊天列表
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if (!isNewConversation && !conversationIdChangeBecauseOfNew && !isResponding) {
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try {
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// console.log('📨 获取会话历史消息:', currConversationId);
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// 调用API获取历史消息
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const response = await fetchChatList(currConversationId);
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// console.log('📋 历史消息响应:', response);
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if (response && (response as any).data) {
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const { data: historyMessages } = response as any;
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// 生成新的聊天列表，包含开场白
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const newChatList: ChatItem[] = generateNewChatListWithOpenStatement(notSyncToStateIntroduction, notSyncToStateInputs);
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// 添加历史消息
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historyMessages.forEach((item: any) => {
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// 添加用户问题
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newChatList.push({
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id: `question-${item.id}`,
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content: item.query,
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isAnswer: false,
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message_files: item.message_files?.filter((file: any) => file.belongs_to === 'user') || [],
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});
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// 添加AI回答（包含检索资源）
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newChatList.push({
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id: item.id,
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content: item.answer,
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agent_thoughts: item.agent_thoughts || [],
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feedback: item.feedback,
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isAnswer: true,
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message_files: item.message_files?.filter((file: any) => file.belongs_to === 'assistant') || [],
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retriever_resources: item.retriever_resources || [],
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});
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});
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// console.log('✅ 设置历史聊天列表:', newChatList.length, '条消息');
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setChatList(newChatList);
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} else {
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console.warn('⚠️ 获取历史消息失败或无数据');
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// 如果获取失败，至少显示开场白
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const newChatList: ChatItem[] = generateNewChatListWithOpenStatement(notSyncToStateIntroduction, notSyncToStateInputs);
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setChatList(newChatList);
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}
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} catch (error) {
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console.error('❌ 获取历史消息失败:', error);
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// 如果获取失败，至少显示开场白
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const newChatList: ChatItem[] = generateNewChatListWithOpenStatement(notSyncToStateIntroduction, notSyncToStateInputs);
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setChatList(newChatList);
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}
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}
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if (isNewConversation && isChatStarted) {
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setChatList(generateNewChatListWithOpenStatement());
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}
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};
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/**
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* 处理会话ID变化
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*/
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const handleConversationIdChange = (id: string) => {
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// console.log('🔄 会话ID变化:', { id, currentId: currConversationId });
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if (id === '-1') {
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createNewChat();
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setConversationIdChangeBecauseOfNew(true);
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} else {
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setConversationIdChangeBecauseOfNew(false);
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}
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// 触发会话切换
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setCurrConversationId(id, CHAT_CONFIG.APP_ID);
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};
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/**
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* 检查是否可以发送消息
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*/
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const checkCanSend = () => {
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if (currConversationId !== '-1') {
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return true;
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}
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if (!currInputs || !promptConfig?.prompt_variables) {
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return true;
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}
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const inputLens = Object.values(currInputs).length;
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const promptVariablesLens = promptConfig.prompt_variables.length;
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const emptyInput = inputLens < promptVariablesLens || Object.values(currInputs).find(v => !v);
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if (emptyInput) {
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console.error('必填变量值不能为空');
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return false;
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}
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return true;
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};
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/**
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* 处理发送消息
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*/
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const handleSendMessage = async (message: string, files?: any[]) => {
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if (isResponding) {
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console.log('正在响应中，请等待...');
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return;
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}
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if (!checkCanSend()) {
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return;
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}
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console.log('📤 [Chat] 发送消息:', {
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message: message.substring(0, 50) + (message.length > 50 ? '...' : ''),
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currConversationId,
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isNewConversation,
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willSendConversationId: isNewConversation ? null : currConversationId,
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appId: currentChatApp?.app_id
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});
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try {
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// 准备输入数据
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const toServerInputs: Record<string, any> = {};
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if (currInputs) {
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Object.keys(currInputs).forEach((key) => {
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toServerInputs[key] = currInputs[key];
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});
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}
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// 使用 useChatMessage 钩子的 handleSend 方法，传递当前选中的应用 ID
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await handleSend(
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message,
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isNewConversation ? null : currConversationId,
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files,
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toServerInputs,
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currentChatApp?.app_id // 传递对话应用 ID
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);
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} catch (error) {
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console.error('发送消息失败:', error);
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}
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};
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/**
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* 处理侧边栏切换
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*/
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const handleSidebarToggle = () => {
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setSidebarCollapsed(!sidebarCollapsed);
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};
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/**
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* 处理会话选择
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*/
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const handleConversationSelect = (conversationId: string) => {
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if (conversationId !== currConversationId) {
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setCurrConversationId(conversationId, CHAT_CONFIG.APP_ID);
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}
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// 移动端选中对话后自动隐藏侧边栏
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if (isMobile && !sidebarCollapsed) {
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setSidebarCollapsed(true);
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}
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};
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/**
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* 处理新建会话
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*/
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const handleNewConversation = () => {
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setCurrConversationId('-1', CHAT_CONFIG.APP_ID, false);
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createNewChat();
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};
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/**
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* 处理对话应用切换
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* 切换应用后刷新加载对应的会话列表
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*/
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const handleChatAppChange = async (appId: string) => {
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console.log('🔄 [Chat] 用户点击切换对话应用，目标ID:', appId);
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console.log('🔄 [Chat] 当前可用应用列表:', chatApps.map(app => ({
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app_id: app.app_id,
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app_name: app.app_name
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})));
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// 查找目标应用
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const targetApp = chatApps.find(app => app.app_id === appId);
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if (!targetApp) {
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console.error('❌ [Chat] 未找到目标应用 ID:', appId);
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return;
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}
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console.log('🔄 [Chat] 找到目标应用:', targetApp.app_name);
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// 调用原始的切换方法
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originalHandleChatAppChange(appId, async (app) => {
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console.log('✅ [Chat] originalHandleChatAppChange回调触发，传入应用:', app.app_name);
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try {
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// 重新获取会话列表，传入新的应用ID获取该应用的会话
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console.log('📋 [Chat] 开始获取新应用的会话列表...');
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const conversationData = await fetchConversations(app.app_id);
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const conversations = (conversationData as any).data || [];
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console.log('📋 [Chat] 切换应用后获取到会话列表:', conversations.length, '条');
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// 更新会话列表
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setConversationList(conversations);
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// 清空当前聊天，创建新会话
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setChatList([]);
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setChatNotStarted();
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// 如果有会话，选择第一个；否则创建新会话
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if (conversations.length > 0) {
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const firstConversation = conversations[0];
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setCurrConversationId(firstConversation.id, app.app_id, false);
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console.log('🎯 [Chat] 自动选择第一个会话:', firstConversation.id);
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} else {
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setCurrConversationId('-1', app.app_id, false);
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console.log('🆕 [Chat] 无会话，创建新会话');
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}
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} catch (error) {
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console.error('❌ [Chat] 切换应用后刷新会话列表失败:', error);
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// 即使刷新失败，也清空当前状态
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setConversationList([]);
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setChatList([]);
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setCurrConversationId('-1', appId, false);
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}
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});
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};
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/**
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* 处理会话删除后的状态更新
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*/
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const handleConversationDeleted = (conversationId: string) => {
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// console.log('🗑️ 处理会话删除后的状态更新:', conversationId);
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// 如果删除的是当前会话，切换到新会话
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if (conversationId === currConversationId) {
|
|
handleNewConversation();
|
|
}
|
|
|
|
// 从列表中移除会话
|
|
removeConversationFromList(conversationId);
|
|
|
|
// console.log('✅ 会话删除状态更新完成:', conversationId);
|
|
};
|
|
|
|
/**
|
|
* 处理会话重命名后的状态更新
|
|
*/
|
|
const handleConversationRenamed = (conversationId: string, newName: string) => {
|
|
// console.log('✏️ 处理会话重命名后的状态更新:', { conversationId, newName });
|
|
|
|
// 更新本地会话列表中的名称
|
|
updateConversationInList(conversationId, { name: newName });
|
|
|
|
// console.log('✅ 会话重命名状态更新完成:', conversationId, '->', newName);
|
|
};
|
|
|
|
/**
|
|
* 组件初始化 - 参考webapp-conversation的逻辑
|
|
*/
|
|
useEffect(() => {
|
|
if (!hasSetAppConfig) {
|
|
console.error('应用配置不完整');
|
|
setAppUnavailable(true);
|
|
return;
|
|
}
|
|
|
|
(async () => {
|
|
try {
|
|
// console.log('🚀 开始初始化聊天应用...');
|
|
|
|
// 并行获取会话列表和应用参数
|
|
const [conversationData, appParams] = await Promise.all([
|
|
fetchConversations(),
|
|
fetchAppParams()
|
|
]);
|
|
|
|
console.log('📋 [Chat] 获取到的数据:', { conversationData, appParams });
|
|
|
|
// 处理会话数据
|
|
const conversations = (conversationData as any).data || [];
|
|
console.log('📋 [Chat] 会话列表:', conversations);
|
|
|
|
if ((conversationData as any).error) {
|
|
console.error('❌ [Chat] 获取会话列表失败:', (conversationData as any).error);
|
|
throw new Error((conversationData as any).error);
|
|
}
|
|
|
|
// 处理当前会话ID
|
|
const _conversationId = getConversationIdFromStorage(CHAT_CONFIG.APP_ID);
|
|
const isNotNewConversation = conversations.some((item: ConversationItem) => item.id === _conversationId);
|
|
|
|
console.log('💾 [Chat] 初始化 - 本地存储的会话ID:', {
|
|
conversationId: _conversationId,
|
|
isNotNewConversation,
|
|
conversationsCount: conversations.length,
|
|
conversationIds: conversations.map((c: ConversationItem) => c.id)
|
|
});
|
|
|
|
// 获取新会话信息
|
|
const { user_input_form, opening_statement: introduction } = (appParams as any).data || {};
|
|
|
|
setNewConversationInfo({
|
|
name: '新对话',
|
|
introduction: introduction || '',
|
|
});
|
|
|
|
// 设置提示配置
|
|
setPromptConfig({
|
|
prompt_template: '',
|
|
prompt_variables: user_input_form || [],
|
|
});
|
|
|
|
// 设置会话列表
|
|
setConversationList(conversations);
|
|
|
|
// 如果存在有效的会话ID，则设置为当前会话
|
|
if (isNotNewConversation) {
|
|
console.log('🎯 [Chat] 初始化 - 设置当前会话ID:', _conversationId);
|
|
setCurrConversationId(_conversationId, CHAT_CONFIG.APP_ID, false);
|
|
} else {
|
|
// 如果localStorage为空或会话不存在，自动创建新会话
|
|
console.log('🆕 [Chat] 初始化 - localStorage为空或会话不存在，创建新会话');
|
|
setCurrConversationId('-1', CHAT_CONFIG.APP_ID, false);
|
|
}
|
|
|
|
setInited(true);
|
|
// console.log('✅ 聊天应用初始化完成');
|
|
} catch (e: any) {
|
|
console.error('❌ 初始化失败:', e);
|
|
if (e.status === 404) {
|
|
setAppUnavailable(true);
|
|
} else {
|
|
setIsUnknownReason(true);
|
|
setAppUnavailable(true);
|
|
}
|
|
}
|
|
})();
|
|
}, []);
|
|
|
|
// 监听会话切换
|
|
useEffect(() => {
|
|
handleConversationSwitch();
|
|
}, [currConversationId, inited]);
|
|
|
|
// 自动滚动到底部
|
|
useEffect(() => {
|
|
if (chatListDomRef.current) {
|
|
chatListDomRef.current.scrollTop = chatListDomRef.current.scrollHeight;
|
|
}
|
|
}, [chatList]);
|
|
|
|
// 检查屏幕尺寸
|
|
useEffect(() => {
|
|
const checkScreenSize = () => {
|
|
const isMobileDevice = window.innerWidth < 992;
|
|
setIsMobile(isMobileDevice);
|
|
|
|
// 移动端默认隐藏侧边栏，桌面端默认显示
|
|
// 只在初次加载时设置，避免影响用户的手动切换
|
|
if (!window.hasSetInitialSidebarState) {
|
|
setSidebarCollapsed(isMobileDevice);
|
|
window.hasSetInitialSidebarState = true;
|
|
}
|
|
};
|
|
|
|
// 初始检查
|
|
checkScreenSize();
|
|
|
|
// 监听窗口大小变化
|
|
window.addEventListener('resize', checkScreenSize);
|
|
|
|
return () => {
|
|
window.removeEventListener('resize', checkScreenSize);
|
|
};
|
|
}, []);
|
|
|
|
// 如果应用不可用，显示错误页面
|
|
if (appUnavailable) {
|
|
return (
|
|
<div className="flex items-center justify-center h-full">
|
|
<div className="text-center">
|
|
<h2 className="text-xl font-semibold text-gray-900 mb-2">应用暂时不可用</h2>
|
|
<p className="text-gray-600">
|
|
{isUnknownReason ? '发生了未知错误，请稍后重试' : '应用配置不正确，请检查配置'}
|
|
</p>
|
|
</div>
|
|
</div>
|
|
);
|
|
}
|
|
|
|
// 如果未初始化完成，显示加载状态
|
|
if (!inited) {
|
|
return (
|
|
<div className="flex items-center justify-center h-full">
|
|
<div className="text-center">
|
|
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto mb-2"></div>
|
|
<p className="text-gray-600">正在加载...</p>
|
|
</div>
|
|
</div>
|
|
);
|
|
}
|
|
|
|
// 判断是否已设置输入
|
|
const hasSetInputs = (() => {
|
|
if (!isNewConversation) {
|
|
return true;
|
|
}
|
|
return isChatStarted;
|
|
})();
|
|
|
|
const conversationName = currConversationInfo?.name || '新对话';
|
|
const conversationIntroduction = currConversationInfo?.introduction || '';
|
|
|
|
return (
|
|
<Layout style={{ height: '100%', display: 'flex', flexDirection: 'row', position: 'relative' }}>
|
|
{/* 移动端遮罩层 - 点击可收起侧边栏 */}
|
|
<div
|
|
className={`chat-sidebar-overlay ${!sidebarCollapsed && isMobile ? 'visible' : ''}`}
|
|
onClick={handleSidebarToggle}
|
|
/>
|
|
|
|
{/* ChatSidebar 隐藏时显示的展开按钮 */}
|
|
{sidebarCollapsed && (
|
|
<button
|
|
onClick={handleSidebarToggle}
|
|
className="fixed left-0 top-1/2 -translate-y-1/2 z-[998] bg-white hover:bg-gray-100 shadow-lg rounded-r-lg px-2 py-4 transition-all duration-200 border border-l-0 border-gray-200"
|
|
style={{
|
|
width: '32px',
|
|
height: '48px',
|
|
display: 'flex',
|
|
alignItems: 'center',
|
|
justifyContent: 'center'
|
|
}}
|
|
aria-label="展开对话列表"
|
|
>
|
|
<i className="ri-menu-unfold-line text-lg text-gray-600"></i>
|
|
</button>
|
|
)}
|
|
|
|
{/* 侧边栏 */}
|
|
<ChatSidebar
|
|
ref={sidebarRef}
|
|
collapsed={sidebarCollapsed}
|
|
onToggle={handleSidebarToggle}
|
|
conversations={conversationList}
|
|
currentConversationId={currConversationId}
|
|
onConversationSelect={handleConversationSelect}
|
|
onNewConversation={handleNewConversation}
|
|
onConversationDeleted={handleConversationDeleted}
|
|
onConversationRenamed={handleConversationRenamed}
|
|
chatApps={chatApps}
|
|
loadingChatApps={loadingChatApps}
|
|
currentChatApp={currentChatApp}
|
|
onChatAppChange={handleChatAppChange}
|
|
/>
|
|
|
|
{/* 主内容区域 */}
|
|
<Layout style={{ flex: 1, display: 'flex', flexDirection: 'column' }}>
|
|
<Content
|
|
style={{
|
|
background: colorBgContainer,
|
|
display: 'flex',
|
|
flexDirection: 'column',
|
|
flex: 1,
|
|
minHeight: 0,
|
|
}}
|
|
>
|
|
{/* 聊天区域 */}
|
|
<div style={{ flex: 1, minHeight: 0, overflow: 'hidden' }}>
|
|
<div
|
|
ref={chatListDomRef}
|
|
className="h-full overflow-y-auto px-4 py-4 space-y-2"
|
|
>
|
|
{/* 如果是新会话且未开始聊天，显示欢迎信息 */}
|
|
{isNewConversation && !isChatStarted && (
|
|
<div className="text-center py-8">
|
|
<h3 className="text-lg font-medium text-gray-900 mb-2">开始新的对话</h3>
|
|
<p className="text-gray-600">请在下方输入您的问题</p>
|
|
</div>
|
|
)}
|
|
|
|
{/* 聊天消息列表 */}
|
|
{chatList.map((item) => (
|
|
<ChatMessage
|
|
key={item.id}
|
|
message={item}
|
|
isResponding={isResponding && item.id === chatList[chatList.length - 1]?.id}
|
|
onFeedback={handleFeedback}
|
|
/>
|
|
))}
|
|
</div>
|
|
</div>
|
|
|
|
{/* 输入区域 */}
|
|
<div className="flex-shrink-0 bg-white">
|
|
<ChatInput
|
|
onSendMessage={handleSendMessage}
|
|
disabled={isResponding}
|
|
placeholder="有什么我能帮您的吗?"
|
|
onStop={stopResponding}
|
|
isResponding={isResponding}
|
|
/>
|
|
</div>
|
|
</Content>
|
|
</Layout>
|
|
</Layout>
|
|
);
|
|
}
|