ZF sun
f656be789d
1. 新增多语言文案，适配AI智能体通用场景 2. 新增AI智能体页面路由常量与跳转逻辑 3. 改造AI聊天页面支持动态agent_id和页面标题 4. 升级AI服务层，支持多agent_id自动传递
760 lines
22 KiB
JavaScript
760 lines
22 KiB
JavaScript
import Config from './config.js'
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import http from './http.js'
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import store from '@/store/index.js'
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import lang from './lang.js'
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let currentConversationId = null;
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// ====== AI Agent Generalization (customer service is the first agent) ======
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// setAgentId updates currentAgentId; default is agent_aikefu.
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// Any sendMessage / sendStreamMessage / getServiceConfig call passes agent_id automatically.
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export const DEFAULT_AGENT_ID = 'agent_aikefu';
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let currentAgentId = DEFAULT_AGENT_ID;
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export const CONVERSATION_KEY = 'ai_conversation_id';
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/**
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* 获取域名配置参数（避免重复代码）
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*/
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function getDomainParams() {
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return {
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imgDomain: Config.imgDomain,
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h5Domain: Config.h5Domain,
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baseUrl: Config.baseUrl
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};
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}
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// 初始化时从本地读取会话ID
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try {
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const saved = uni.getStorageSync(CONVERSATION_KEY);
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if (saved) {
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currentConversationId = saved;
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}
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} catch (e) {
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console.warn('读取会话ID失败:', e);
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}
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const GUEST_ID_KEY = 'ai_guest_user_id';
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/**
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* 获取用户ID：已登录返回 memberId，未登录生成访客唯一标识并持久化
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*/
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function getUserId() {
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const memberId = store.state.memberInfo?.id;
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if (memberId) return memberId;
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let guestId;
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try {
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guestId = uni.getStorageSync(GUEST_ID_KEY);
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} catch (e) { /* ignore */ }
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if (!guestId) {
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guestId = 'guest_' + Date.now() + '_' + Math.random().toString(36).slice(2, 10);
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try {
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uni.setStorageSync(GUEST_ID_KEY, guestId);
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} catch (e) { /* ignore */ }
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}
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return guestId;
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}
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/**
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* 获取当前 AI Agent。
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*/
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function getAgentId() {
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return currentAgentId || DEFAULT_AGENT_ID;
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}
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/**
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* 设置当前 AI Agent。
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*/
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function setAgentId(agentId) {
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if (agentId && typeof agentId === 'string') currentAgentId = agentId;
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}
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// #ifdef MP
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// ================================
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// WebSocket 长连接管理（微信小程序）
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// ================================
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let wsSocketTask = null;
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let wsAuthenticated = false;
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let wsConnected = false;
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let wsConnectionPromise = null;
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function getWsDomain() {
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var match = Config.baseUrl.match(/^(?:https?:\/\/|wss?:\/\/)([^\/\s:?#]+(?::\d+)?)/);
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return match ? match[1] : '';
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}
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function resetWsState() {
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wsSocketTask = null;
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wsAuthenticated = false;
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wsConnected = false;
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wsConnectionPromise = null;
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}
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/**
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* 确保 WebSocket 已连接并认证，返回一个 Promise
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* 连接建立后保持不断开，后续可复用
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*/
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function ensureWebSocketConnected() {
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if (wsConnected && wsAuthenticated) {
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return Promise.resolve();
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}
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if (wsConnectionPromise) {
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return wsConnectionPromise;
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}
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wsConnectionPromise = new Promise(function(resolve, reject) {
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var domain = getWsDomain();
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if (!domain) {
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wsConnectionPromise = null;
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reject(new Error(lang.lang('aiService.wsDomainInvalid')));
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return;
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}
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var wssUrl = 'wss://' + domain + '/ws/aikefu';
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wsConnected = false;
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wsAuthenticated = false;
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wsSocketTask = wx.connectSocket({ url: wssUrl, header: {} });
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// 获取认证参数（独立函数，不使用 this）
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var _uniacid = uni.getStorageSync('uniacid') || Config.uniacid;
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var _token = store.state.token || 'test_token';
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var _userId = getUserId();
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wsSocketTask.onOpen(function() {
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wsConnected = true;
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wsSocketTask.send({
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data: JSON.stringify({
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action: 'auth',
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agent_id: getAgentId(),
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uniacid: _uniacid,
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token: _token,
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user_id: _userId
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})
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});
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});
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wsSocketTask.onMessage(function(res) {
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try {
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var data = JSON.parse(res.data);
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// Auth 响应
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if (data.type === 'auth_success') {
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wsAuthenticated = true;
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resolve();
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return;
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}
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if (data.type === 'auth_failed') {
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wsAuthenticated = false;
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wsConnectionPromise = null;
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reject(new Error(lang.lang('aiService.wsAuthFailed')));
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return;
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}
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// 以下为聊天消息响应，只在有活跃消息时处理
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if (!wsMessageActive) return;
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if (data.event === 'message') {
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var text = data.answer || data.content || data.text || '';
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// 兼容嵌套 data.data.content 格式
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if (!text && data.data) {
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text = data.data.content || data.data.answer || '';
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}
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wsMessageContent += text;
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if (wsMessageOnChunk) wsMessageOnChunk(text);
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} else if (data.event === 'message_end' || data.event === 'done') {
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// 兼容两种结束信号：message_end（流结束）或 done（服务端完成）
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// 兼容两种数据层级：conversation_id 可能在顶层或 data.data 中
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var conversationId = data.conversation_id || (data.data && data.data.conversation_id) || '';
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console.log('[AI WS] 流结束信号, event:', data.event, 'type:', data.type, 'conversationId:', conversationId, '当前内存:', currentConversationId);
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// 保存会话ID（独立函数，不使用 this）
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if (conversationId) {
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if (conversationId !== currentConversationId) {
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currentConversationId = conversationId;
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try {
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uni.setStorageSync(CONVERSATION_KEY, conversationId);
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console.log('[AI WS] 会话ID已持久化到 storage:', conversationId);
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} catch (e) {
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console.error('保存会话ID失败:', e);
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}
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}
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}
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var content = wsMessageContent;
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var convId = conversationId;
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// 重置消息状态，但不断开连接
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wsMessageActive = false;
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wsMessageContent = '';
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if (wsMessageOnComplete) wsMessageOnComplete({ content: content, conversation_id: convId });
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if (wsMessageResolve) wsMessageResolve({ content: content, conversation_id: convId });
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} else {
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// 兜底日志：打印所有未识别的消息类型
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console.log('[AI WS] 未识别的消息:', JSON.stringify(data).substring(0, 200));
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}
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} catch (e) {
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console.error('WebSocket 消息解析失败:', e, '原始数据:', res.data);
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}
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});
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wsSocketTask.onError(function(err) {
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console.error('WebSocket 连接失败:', err);
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var prevReject = wsMessageReject;
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resetWsState();
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resetWsMessageState();
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if (prevReject) prevReject(new Error(lang.lang('aiService.wsConnectionFailed')));
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reject(new Error(lang.lang('aiService.wsConnectionFailed')));
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});
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wsSocketTask.onClose(function() {
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console.warn('WebSocket 连接已关闭');
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var prevReject = wsMessageReject;
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resetWsState();
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resetWsMessageState();
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if (prevReject) prevReject(new Error(lang.lang('aiService.wsConnectionClosed')));
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});
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});
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return wsConnectionPromise;
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}
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// 当前消息的回调状态（只支持串行）
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var wsMessageResolve = null;
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var wsMessageReject = null;
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var wsMessageOnChunk = null;
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var wsMessageOnComplete = null;
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var wsMessageContent = '';
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var wsMessageActive = false;
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function resetWsMessageState() {
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wsMessageResolve = null;
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wsMessageReject = null;
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wsMessageOnChunk = null;
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wsMessageOnComplete = null;
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wsMessageContent = '';
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wsMessageActive = false;
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}
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/**
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* 断开 WebSocket 长连接
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*/
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function disconnectWebSocket() {
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if (wsSocketTask) {
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try { wsSocketTask.close(); } catch (e) { /* ignore */ }
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}
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resetWsState();
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resetWsMessageState();
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}
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// #endif
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export default {
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/**
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* 获取uniacid
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* @returns {number} uniacid
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*/
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getUniacid() {
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return uni.getStorageSync('uniacid') || Config.uniacid; // 从缓存中获取uniacid，或使用默认uniacid
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},
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/**
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* 发送普通消息（blocking 模式）
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*/
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async sendMessage(message, options = {}) {
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try {
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const params = {
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url: '/api/kefu/chat',
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data: {
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agent_id: getAgentId(),
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user_id: getUserId(),
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stream: false,
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inputs: {},
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query: message,
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response_mode: 'blocking', // 强制 blocking
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user: getUserId(),
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conversation_id: this.getConversationId() || '',
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...getDomainParams()
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},
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header: {
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'Content-Type': 'application/json'
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}
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};
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const response = await http.sendRequest({
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...params,
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async: false
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});
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const result = this.handleResponse(response);
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if (result.conversationId) {
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this.setConversationId(result.conversationId);
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}
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return result;
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} catch (error) {
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console.error('[AI Service] AiChat API请求失败，详细错误:', error);
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console.error('[AI Service] 错误堆栈:', error.stack);
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// 打印更多信息帮助调试
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console.error('[AI Service] store 状态:', {
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memberInfo: store.state.memberInfo,
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uniacid: this.getUniacid(),
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token: store.state.token
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});
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throw new Error(lang.lang('aiService.serviceUnavailable'));
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}
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},
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/**
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* 流式消息入口（自动适配平台）
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* 微信小程序：复用长连接 WebSocket
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*/
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async sendStreamMessage(message, onChunk, onComplete) {
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// #ifdef MP
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// 先确保连接已就绪
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try {
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await ensureWebSocketConnected();
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} catch (e) {
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if (onComplete) onComplete({ error: e.message });
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throw e;
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}
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// 设置当前消息回调
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wsMessageContent = '';
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wsMessageActive = true;
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wsMessageOnChunk = onChunk || null;
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wsMessageOnComplete = onComplete || null;
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return new Promise((resolve, reject) => {
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wsMessageResolve = resolve;
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wsMessageReject = reject;
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wsSocketTask.send({
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data: JSON.stringify({
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action: 'chat',
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agent_id: getAgentId(),
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uniacid: this.getUniacid(),
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query: message,
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user_id: getUserId(),
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conversation_id: this.getConversationId() || '',
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...getDomainParams()
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})
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});
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});
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// #endif
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},
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/**
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* HTTP 流式请求（仅 H5 使用）
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*/
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async sendHttpStream(message, onChunk, onComplete) {
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// #ifdef H5
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try {
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const url = Config.baseUrl + `/api/kefu/chat`;
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const response = await fetch(url, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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'Accept': 'text/event-stream',
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},
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body: JSON.stringify({
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uniacid: this.getUniacid(),
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token: store.state.token || 'test_token',
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inputs: {},
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query: message,
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response_mode: 'streaming',
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user_id: getUserId(),
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conversation_id: this.getConversationId() || '',
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...getDomainParams()
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})
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});
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if (!response.ok || !response.body) {
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throw new Error(lang.lang('aiService.invalidResponse'));
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}
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const reader = response.body.getReader();
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const decoder = new TextDecoder('utf-8');
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let buffer = '';
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let content = '';
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let conversationId = '';
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while (true) {
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const { done, value } = await reader.read();
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if (done) break;
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buffer += decoder.decode(value, { stream: true });
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// 按行分割，保留不完整的最后一行
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const lines = buffer.split('\n');
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buffer = lines.pop() || ''; // 未完成的行留到下次
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for (const line of lines) {
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const trimmed = line.trim();
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if (trimmed.startsWith('data:')) {
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try {
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const jsonStr = trimmed.slice(5).trim();
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if (jsonStr && jsonStr !== '[DONE]') {
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const data = JSON.parse(jsonStr);
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if (data.event === 'message') {
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var text = data.answer || data.text || '';
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// 兼容嵌套 data.data 格式
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if (!text && data.data) {
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text = data.data.content || data.data.answer || '';
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}
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content += text;
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if (onChunk) onChunk(text);
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}
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// 兼容两种层级：conversation_id 可能在顶层或 data.data 中
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var cid = data.conversation_id || (data.data && data.data.conversation_id) || '';
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if (cid) {
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conversationId = cid;
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}
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if (data.event === 'message_end' || data.event === 'done') {
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console.log('[AI SSE] 收到完成信号:', data.event, 'conversationId:', cid);
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}
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}
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} catch (e) {
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console.warn('解析失败:', e, line);
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}
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}
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}
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}
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// 处理最后残留的 buffer（如果有）
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if (buffer.trim().startsWith('data:')) {
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try {
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const jsonStr = buffer.trim().slice(5);
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if (jsonStr) {
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const data = JSON.parse(jsonStr);
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if (data.event === 'message') {
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var text = data.answer || data.text || '';
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if (!text && data.data) {
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text = data.data.content || data.data.answer || '';
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}
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content += text;
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if (onChunk) onChunk(text);
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}
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var cid = data.conversation_id || (data.data && data.data.conversation_id) || '';
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if (cid) {
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conversationId = cid;
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}
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}
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} catch (e) {
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console.warn('最后 buffer 解析失败:', e);
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}
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}
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console.log('[AI SSE] 流完成, conversationId:', conversationId, 'content长度:', content.length);
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if (onComplete) {
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onComplete({ content, conversation_id: conversationId });
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}
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return { content, conversation_id: conversationId };
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} catch (error) {
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console.error('H5 流式请求失败:', error);
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throw error;
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}
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// #endif
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},
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/**
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* 处理API响应（统一格式）
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*/
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handleResponse(response) {
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if (response.code === 0 || response.success) {
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return {
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success: true,
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content: response.data?.answer || response.data?.content || response.data?.reply || response.data,
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conversationId: response.data?.conversation_id,
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messageId: response.data?.message_id
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};
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} else {
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throw new Error(response.message || lang.lang('aiService.serviceResponseError'));
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}
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},
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/**
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* 获取当前会话ID
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*/
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getConversationId() {
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return currentConversationId;
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},
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/**
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* 设置并持久化会话ID
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*/
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setConversationId(id) {
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if (id && id !== currentConversationId) {
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currentConversationId = id;
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try {
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uni.setStorageSync(CONVERSATION_KEY, id);
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} catch (e) {
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console.error('保存会话ID失败:', e);
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}
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}
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},
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/**
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* 清除会话ID
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*/
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clearConversationId() {
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currentConversationId = null;
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try {
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uni.removeStorageSync(CONVERSATION_KEY);
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} catch (e) {
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console.error('清除会话ID失败:', e);
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}
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},
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/**
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* 生成新会话（如需）
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*/
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async generateConversationId() {
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const params = {
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url: '/api/kefu/createConversation',
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data: {
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agent_id: getAgentId(),
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uniacid: this.getUniacid(),
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token: store.state.token || 'test_token',
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user_id: getUserId(),
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member_id: getUserId(),
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...getDomainParams()
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},
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header: {
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||
'Content-Type': 'application/json'
|
||
}
|
||
};
|
||
const response = await http.sendRequest({
|
||
...params,
|
||
async: false
|
||
});
|
||
return this.handleResponse(response);
|
||
},
|
||
|
||
/**
|
||
* 获取服务状态
|
||
*/
|
||
async getServiceStatus() {
|
||
try {
|
||
const response = await http.sendRequest({
|
||
url: '/api/kefu/health',
|
||
async: false,
|
||
data: {}
|
||
});
|
||
const available = [response?.data?.status, response?.data?.components?.ai_service_config?.status]
|
||
.filter(item => item === 'healthy').length > 0;
|
||
return {
|
||
available,
|
||
reason: available ? lang.lang('aiService.statusNormal') : lang.lang('aiService.statusAbnormal')
|
||
};
|
||
} catch (error) {
|
||
return {
|
||
available: false,
|
||
reason: lang.lang('aiService.statusCheckFailed')
|
||
};
|
||
}
|
||
},
|
||
|
||
/**
|
||
* 获取服务配置信息
|
||
*/
|
||
async getServiceConfig() {
|
||
try {
|
||
const params = {
|
||
url: '/api/kefu/info',
|
||
data: {
|
||
agent_id: getAgentId(),
|
||
uniacid: this.getUniacid(),
|
||
token: store.state.token || 'test_token',
|
||
user_id: getUserId(),
|
||
member_id: getUserId(),
|
||
locale: lang.getCurrentLocale()
|
||
},
|
||
header: {
|
||
'Content-Type': 'application/json'
|
||
}
|
||
};
|
||
const response = await http.sendRequest({
|
||
...params,
|
||
async: false,
|
||
});
|
||
console.log('[AI Service] getServiceConfig response:', JSON.stringify(response));
|
||
return response.data;
|
||
} catch (error) {
|
||
console.error('[AI Service] getServiceConfig error:', error);
|
||
return null;
|
||
}
|
||
},
|
||
|
||
/**
|
||
* 清除会话历史（调用后端接口）
|
||
*/
|
||
async clearConversation(conversationId) {
|
||
try {
|
||
const response = await http.sendRequest({
|
||
url: '/api/kefu/clear-conversation',
|
||
data: {
|
||
agent_id: getAgentId(),
|
||
conversation_id: conversationId,
|
||
...getDomainParams()
|
||
},
|
||
async: false
|
||
});
|
||
return response.success;
|
||
} catch (error) {
|
||
console.error('清除会话失败:', error);
|
||
return false;
|
||
}
|
||
},
|
||
|
||
/**
|
||
* 获取会话历史
|
||
*/
|
||
async getConversationHistory(params = {}) {
|
||
try {
|
||
if (!params.conversation_id) {
|
||
throw new Error(lang.lang('aiService.conversationIdRequired'));
|
||
}
|
||
console.log('[AI History] 请求历史, conversation_id:', params.conversation_id, 'limit:', params.limit);
|
||
const requestData = {
|
||
agent_id: params.agent_id || getAgentId(),
|
||
uniacid: params.uniacid || this.getUniacid(),
|
||
conversation_id: params.conversation_id,
|
||
user_id: params.user_id || getUserId(),
|
||
limit: params.limit || 20,
|
||
offset: params.offset || 0,
|
||
member_id: params.member_id || getUserId(),
|
||
token: params.token || '',
|
||
...getDomainParams()
|
||
};
|
||
const response = await http.sendRequest({
|
||
url: '/api/kefu/getHistory',
|
||
data: requestData,
|
||
header: {
|
||
'Content-Type': 'application/json'
|
||
},
|
||
async: false
|
||
});
|
||
if (response.code === 0 || response.success) {
|
||
return {
|
||
success: true,
|
||
data: response.data,
|
||
messages: response.data?.messages || [],
|
||
total: response.data?.total || 0,
|
||
page_info: response.data?.page_info || { limit: 20, offset: 0 }
|
||
};
|
||
} else {
|
||
throw new Error(response.message || lang.lang('aiService.getHistoryFailed'));
|
||
}
|
||
} catch (error) {
|
||
console.error('获取会话历史失败:', error);
|
||
throw new Error(error.message || lang.lang('aiService.getHistoryError'));
|
||
}
|
||
},
|
||
|
||
// ================================
|
||
// 以下方法仅用于 H5，小程序无效
|
||
// ================================
|
||
|
||
/**
|
||
* [H5 Only] EventSource 流式聊天（备用）
|
||
*/
|
||
chatWithEventSource(message, conversationId = '', onMessage, onComplete, onError) {
|
||
// #ifdef H5
|
||
if (window.currentEventSource) {
|
||
window.currentEventSource.close();
|
||
}
|
||
const paramsObj = {
|
||
agent_id: getAgentId(),
|
||
uniacid: this.getUniacid(),
|
||
user_id: getUserId(),
|
||
member_id: getUserId(),
|
||
token: store.state.token || 'test_token',
|
||
query: message,
|
||
conversation_id: conversationId || '',
|
||
stream: 'true',
|
||
...getDomainParams()
|
||
};
|
||
const params = new URLSearchParams(paramsObj);
|
||
const url = `${Config.baseUrl}/api/kefu/chat?${params.toString()}`;
|
||
try {
|
||
const eventSource = new EventSource(url);
|
||
window.currentEventSource = eventSource;
|
||
let aiMessage = '';
|
||
eventSource.onmessage = (event) => {
|
||
try {
|
||
const data = JSON.parse(event.data);
|
||
if (data.event === 'message') {
|
||
aiMessage += data.answer || '';
|
||
if (onMessage) onMessage(data.answer || '');
|
||
}
|
||
if (data.event === 'message_end') {
|
||
if (onComplete) onComplete({
|
||
conversation_id: data.conversation_id,
|
||
message: aiMessage
|
||
});
|
||
}
|
||
} catch (error) {
|
||
console.error('解析消息失败:', error);
|
||
}
|
||
};
|
||
eventSource.onerror = (error) => {
|
||
console.error('EventSource错误:', error);
|
||
if (onError) onError({ error: lang.lang('aiService.connectionFailed') });
|
||
window.currentEventSource = null;
|
||
};
|
||
return eventSource;
|
||
} catch (error) {
|
||
console.error('创建EventSource失败:', error);
|
||
if (onError) onError({ error: error.message });
|
||
return null;
|
||
}
|
||
// #endif
|
||
// #ifdef MP
|
||
console.warn('chatWithEventSource 不支持微信小程序');
|
||
return null;
|
||
// #endif
|
||
},
|
||
|
||
/**
|
||
* [H5 Only] Fetch 流式聊天（备用）
|
||
*/
|
||
async chatWithFetchStream(message, conversationId = '', onMessage, onComplete, onError) {
|
||
// #ifdef H5
|
||
// 实际逻辑已在 sendHttpStream 中实现，此处可复用或留空
|
||
return this.sendHttpStream(message, onMessage, (res) => {
|
||
onComplete?.({ message: res.content, conversation_id: res.conversation_id });
|
||
});
|
||
// #endif
|
||
// #ifdef MP
|
||
console.warn('chatWithFetchStream 不支持微信小程序');
|
||
return null;
|
||
// #endif
|
||
},
|
||
|
||
// #ifdef MP
|
||
/**
|
||
* [微信小程序] 断开 WebSocket 长连接（页面离开时调用）
|
||
*/
|
||
disconnectWebSocket() {
|
||
disconnectWebSocket();
|
||
},
|
||
// #endif
|
||
// #ifdef H5
|
||
disconnectWebSocket() {
|
||
// H5 无 WebSocket 长连接，无需操作
|
||
},
|
||
// #endif
|
||
|
||
/**
|
||
* Set current AI Agent (default aikefu; link system passes agent_id).
|
||
* @param {string} agentId
|
||
*/
|
||
setAgentId(agentId) {
|
||
setAgentId(agentId);
|
||
},
|
||
|
||
/**
|
||
* Get current AI Agent.
|
||
* @returns {string}
|
||
*/
|
||
getAgentId() {
|
||
return getAgentId();
|
||
},
|
||
};
|