优化ai决策
This commit is contained in:
@@ -121,7 +121,12 @@ function transformToSSE(
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for (const line of lines) {
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if (line.startsWith('data: ')) {
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const data = line.slice(6);
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const data = line.slice(6).trim();
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// 跳过空数据
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if (!data) {
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continue;
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}
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if (data === '[DONE]') {
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controller.enqueue(
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@@ -151,7 +156,10 @@ function transformToSSE(
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);
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}
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} catch (e) {
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console.error('Parse stream chunk error:', e);
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// 只在非空数据解析失败时打印错误
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if (data.length > 0) {
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console.error('Parse stream chunk error:', e, 'Data:', data.substring(0, 100));
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}
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}
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}
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}
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@@ -228,6 +236,9 @@ export async function POST(request: NextRequest) {
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tavilyApiKey: aiConfig.TavilyApiKey,
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serperApiKey: aiConfig.SerperApiKey,
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serpApiKey: aiConfig.SerpApiKey,
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// TMDB 配置
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tmdbApiKey: adminConfig.SiteConfig.TMDBApiKey,
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tmdbProxy: adminConfig.SiteConfig.TMDBProxy,
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// 决策模型配置(固定使用自定义provider,复用主模型的API配置)
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enableDecisionModel: aiConfig.EnableDecisionModel,
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decisionProvider: 'custom',
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@@ -3,7 +3,7 @@
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import React, { useState, useRef, useEffect } from 'react';
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import { createPortal } from 'react-dom';
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import { X, Send, Bot, Loader2, Sparkles } from 'lucide-react';
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import { X, Send, Bot, Loader2, Sparkles, Trash2 } from 'lucide-react';
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import ReactMarkdown from 'react-markdown';
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import remarkGfm from 'remark-gfm';
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import { VideoContext } from '@/lib/ai-orchestrator';
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@@ -26,13 +26,23 @@ export default function AIChatPanel({
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context,
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welcomeMessage = '你好!我是MoonTVPlus的AI影视助手,有什么可以帮你的吗?',
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}: AIChatPanelProps) {
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// 生成sessionStorage的key,基于视频上下文
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const getStorageKey = () => {
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if (context?.title) {
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return `ai-chat-${context.title}-${context.year || ''}-${context.type || ''}`;
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}
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return 'ai-chat-general';
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};
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const [messages, setMessages] = useState<ChatMessage[]>([
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{ role: 'assistant', content: welcomeMessage },
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]);
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const [input, setInput] = useState('');
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const [isStreaming, setIsStreaming] = useState(false);
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const [isMobile, setIsMobile] = useState(false);
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const messagesEndRef = useRef<HTMLDivElement>(null);
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const inputRef = useRef<HTMLTextAreaElement>(null);
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const contextKeyRef = useRef<string>(getStorageKey());
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// 自动滚动到底部
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const scrollToBottom = () => {
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@@ -43,9 +53,59 @@ export default function AIChatPanel({
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scrollToBottom();
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}, [messages]);
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// 从sessionStorage加载消息记录
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useEffect(() => {
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if (typeof window === 'undefined') return;
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const storageKey = getStorageKey();
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const savedMessages = sessionStorage.getItem(storageKey);
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if (savedMessages) {
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try {
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const parsed = JSON.parse(savedMessages);
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if (Array.isArray(parsed) && parsed.length > 0) {
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setMessages(parsed);
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}
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} catch (error) {
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console.error('加载聊天记录失败:', error);
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}
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}
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}, []); // 只在组件挂载时加载一次
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// 保存消息记录到sessionStorage
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useEffect(() => {
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if (typeof window === 'undefined') return;
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const storageKey = getStorageKey();
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try {
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sessionStorage.setItem(storageKey, JSON.stringify(messages));
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} catch (error) {
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console.error('保存聊天记录失败:', error);
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}
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}, [messages, context]); // 消息变化时保存
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// 检测VideoContext变化,清除旧的聊天记录
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useEffect(() => {
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if (typeof window === 'undefined') return;
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const newKey = getStorageKey();
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if (contextKeyRef.current !== newKey) {
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// 上下文变化了,清除消息并重置为欢迎消息
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console.log('视频上下文变化,清除聊天记录');
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setMessages([{ role: 'assistant', content: welcomeMessage }]);
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contextKeyRef.current = newKey;
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}
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}, [context, welcomeMessage]); // 监听context变化
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// 自动聚焦输入框和防止背景滚动
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useEffect(() => {
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if (isOpen) {
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// 检测是否为移动设备
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const checkMobile = () => {
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setIsMobile(window.innerWidth < 768);
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};
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checkMobile();
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// 聚焦输入框
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if (inputRef.current) {
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inputRef.current.focus();
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@@ -174,6 +234,20 @@ export default function AIChatPanel({
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}
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};
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// 清空聊天上下文
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const handleClearContext = () => {
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if (typeof window === 'undefined') return;
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// 清除sessionStorage
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const storageKey = getStorageKey();
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sessionStorage.removeItem(storageKey);
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// 重置消息为欢迎消息
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setMessages([{ role: 'assistant', content: welcomeMessage }]);
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console.log('已清空聊天上下文');
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};
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if (!isOpen) return null;
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const modalContent = (
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@@ -289,12 +363,20 @@ export default function AIChatPanel({
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{/* 输入区域 */}
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<div className='border-t border-gray-200 p-4 dark:border-gray-700'>
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<div className='flex gap-2'>
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<button
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onClick={handleClearContext}
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className='flex h-12 w-12 shrink-0 items-center justify-center rounded-xl border border-gray-300 text-gray-500 transition-colors hover:bg-gray-100 disabled:cursor-not-allowed disabled:opacity-50 dark:border-gray-600 dark:text-gray-400 dark:hover:bg-gray-800'
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title='清空聊天记录'
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disabled={isStreaming}
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>
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<Trash2 size={20} />
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</button>
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<textarea
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ref={inputRef}
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value={input}
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onChange={(e) => setInput(e.target.value)}
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onKeyDown={handleKeyDown}
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placeholder='输入你的问题... (Shift+Enter换行)'
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placeholder={isMobile ? '输入你的问题...' : '输入你的问题... (Shift+Enter换行)'}
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disabled={isStreaming}
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rows={1}
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className='flex-1 resize-none rounded-xl border border-gray-300 bg-white px-4 py-3 text-sm text-gray-900 placeholder-gray-400 transition-colors focus:border-purple-500 focus:outline-none focus:ring-2 focus:ring-purple-500/20 disabled:cursor-not-allowed disabled:opacity-50 dark:border-gray-600 dark:bg-gray-800 dark:text-white dark:placeholder-gray-500 dark:focus:border-purple-400'
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@@ -4,6 +4,9 @@
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* 负责协调AI与联网搜索、豆瓣API、TMDB API之间的数据交互
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*/
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import { fetchDoubanData as fetchDoubanAPI } from '@/lib/douban';
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import { searchTMDB, getTVSeasons } from '@/lib/tmdb.search';
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export interface VideoContext {
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title?: string;
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year?: string;
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@@ -87,15 +90,13 @@ export function analyzeIntent(
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else if (isPerson || hasTimeKeyword) type = 'query';
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// 决定是否需要各个数据源
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// 联网搜索: 对于推荐、查询、时效性问题、演员信息等都应该启用
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// 当用户在观看视频时提问(有context),默认也应该联网以获取最新信息
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// 联网搜索: 只在真正需要实时信息时启用
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const needWebSearch =
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hasTimeKeyword ||
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isPerson ||
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message.includes('新闻') ||
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isRecommendation ||
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type === 'query' ||
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(context?.title !== undefined); // 有上下文时默认联网
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(isRecommendation && hasTimeKeyword) || // 推荐+时效性
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type === 'query';
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const needDouban =
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isRecommendation ||
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type === 'detail' ||
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@@ -197,6 +198,7 @@ async function fetchWebSearch(
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/**
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* 获取豆瓣数据
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* 服务器端直接调用豆瓣API
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*/
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async function fetchDoubanData(params: {
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id?: number;
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@@ -206,66 +208,86 @@ async function fetchDoubanData(params: {
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type?: string;
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}): Promise<any> {
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try {
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// 1. 通过 ID 获取详情
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if (params.id) {
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// 获取详情
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const response = await fetch(`/api/douban/detail?id=${params.id}`);
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if (response.ok) {
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return await response.json();
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}
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} else if (params.query) {
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// 搜索
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const response = await fetch('/api/douban/search', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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query: params.query,
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type: params.kind || 'movie',
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}),
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});
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if (response.ok) {
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return await response.json();
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}
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} else if (params.kind && params.category) {
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// 分类列表
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const response = await fetch('/api/douban/categories', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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kind: params.kind,
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category: params.category,
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type: params.type || '全部',
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}),
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});
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if (response.ok) {
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return await response.json();
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}
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const url = `https://m.douban.com/rexxar/api/v2/subject/${params.id}`;
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console.log('📡 获取豆瓣详情:', params.id);
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return await fetchDoubanAPI(url);
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}
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// 2. 通过分类获取热门列表
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if (params.kind && params.category && params.type) {
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const url = `https://m.douban.com/rexxar/api/v2/subject/recent_hot/${params.kind}?start=0&limit=20&category=${encodeURIComponent(params.category)}&type=${encodeURIComponent(params.type)}`;
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console.log('📡 获取豆瓣分类:', params.kind, params.category, params.type);
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return await fetchDoubanAPI(url);
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}
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// 3. 通过搜索查询
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if (params.query) {
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const kind = params.kind || 'movie';
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const url = `https://movie.douban.com/j/search_subjects?type=${kind}&tag=${encodeURIComponent(params.query)}&sort=recommend&page_limit=20&page_start=0`;
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console.log('📡 搜索豆瓣:', params.query, kind);
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return await fetchDoubanAPI(url);
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}
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console.log('⚠️ 豆瓣数据获取参数不完整:', params);
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return null;
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} catch (error) {
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console.error('Douban API error:', error);
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console.error('❌ 豆瓣数据获取失败:', error);
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return null;
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}
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return null;
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}
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/**
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* 获取TMDB数据
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* 服务器端直接调用TMDB API
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*/
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async function fetchTMDBData(params: {
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id?: number;
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type?: 'movie' | 'tv';
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}): Promise<any> {
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async function fetchTMDBData(
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params: {
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id?: number;
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type?: 'movie' | 'tv';
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},
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tmdbApiKey?: string,
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tmdbProxy?: string
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): Promise<any> {
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try {
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if (params.id && params.type) {
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const response = await fetch(
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`/api/tmdb/detail?id=${params.id}&type=${params.type}`
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);
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if (response.ok) {
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return await response.json();
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}
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if (!tmdbApiKey) {
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console.log('⚠️ TMDB API Key 未配置,跳过TMDB数据获取');
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return null;
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}
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if (!params.id || !params.type) {
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console.log('⚠️ TMDB数据获取参数不完整:', params);
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return null;
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}
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// 使用 TMDB API 获取详情
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// TMDB API: https://api.themoviedb.org/3/{type}/{id}
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const url = `https://api.themoviedb.org/3/${params.type}/${params.id}?api_key=${tmdbApiKey}&language=zh-CN&append_to_response=keywords,similar`;
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console.log('📡 获取TMDB详情:', params.type, params.id);
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const fetchOptions: any = tmdbProxy
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? {
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// 如果有代理,使用 node-fetch 和代理
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signal: AbortSignal.timeout(15000),
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}
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: {
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signal: AbortSignal.timeout(15000),
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};
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const response = await fetch(url, fetchOptions);
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if (!response.ok) {
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console.error('❌ TMDB API 请求失败:', response.status, response.statusText);
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return null;
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}
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return await response.json();
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} catch (error) {
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console.error('TMDB API error:', error);
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console.error('❌ TMDB数据获取失败:', error);
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return null;
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}
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return null;
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}
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/**
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@@ -316,6 +338,22 @@ function formatSearchResults(
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return ''
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}
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/**
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* 清理可能被代码块包裹的JSON字符串
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*/
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function cleanJsonResponse(content: string): string {
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// 去除可能的markdown代码块标记
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let cleaned = content.trim();
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// 移除 ```json 或 ``` 开头
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cleaned = cleaned.replace(/^```(?:json)?\s*\n?/i, '');
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// 移除 ``` 结尾
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cleaned = cleaned.replace(/\n?```\s*$/, '');
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return cleaned.trim();
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}
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/**
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* 使用决策模型判断是否需要调用各个数据源
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*/
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@@ -327,31 +365,50 @@ async function callDecisionModel(
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apiKey: string;
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baseURL?: string;
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model: string;
|
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},
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availableDataSources: {
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webSearch: boolean;
|
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douban: boolean;
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tmdb: boolean;
|
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}
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): Promise<DecisionResult> {
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// 构建可用数据源列表
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const availableSources: string[] = [];
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if (availableDataSources.webSearch) {
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availableSources.push('1. **联网搜索** - 获取最新的实时信息(新闻、上映时间、续集信息等)');
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}
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if (availableDataSources.douban) {
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availableSources.push('2. **豆瓣API** - 获取中文影视数据(评分、演员、简介、用户评论等)');
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}
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if (availableDataSources.tmdb) {
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availableSources.push('3. **TMDB API** - 获取国际影视数据(详细元数据、相似推荐等)');
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}
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const systemPrompt = `你是一个影视问答决策系统。请分析用户的问题,判断需要调用哪些数据源来回答。
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|
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可用的数据源:
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1. **联网搜索** - 获取最新的实时信息(新闻、上映时间、续集信息等)
|
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2. **豆瓣API** - 获取中文影视数据(评分、演员、简介、用户评论等)
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3. **TMDB API** - 获取国际影视数据(详细元数据、相似推荐等)
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当前可用的数据源:
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${availableSources.join('\n')}
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${availableSources.length === 0 ? '⚠️ 没有可用的数据源,请返回所有字段为false' : ''}
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请以JSON格式返回决策结果,包含以下字段:
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{
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"needWebSearch": boolean, // 是否需要联网搜索
|
||||
"needDouban": boolean, // 是否需要豆瓣数据
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"needTMDB": boolean, // 是否需要TMDB数据
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"needWebSearch": boolean, // 是否需要联网搜索${!availableDataSources.webSearch ? ' (当前不可用,必须返回false)' : ''}
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"needDouban": boolean, // 是否需要豆瓣数据${!availableDataSources.douban ? ' (当前不可用,必须返回false)' : ''}
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"needTMDB": boolean, // 是否需要TMDB数据${!availableDataSources.tmdb ? ' (当前不可用,必须返回false)' : ''}
|
||||
"webSearchQuery": string, // 如果需要联网,用什么关键词搜索(可选)
|
||||
"doubanQuery": string, // 如果需要豆瓣,用什么关键词搜索(可选)
|
||||
"reasoning": string // 简要说明决策理由
|
||||
}
|
||||
|
||||
决策原则:
|
||||
- 时效性问题(最新、上映时间、续集、播出等)→ 需要联网搜索
|
||||
- 推荐类问题 → 优先豆瓣
|
||||
- 剧情、演员、评分等静态信息 → 豆瓣或TMDB
|
||||
- 当前视频的详细信息 → 豆瓣+TMDB
|
||||
- 有疑问时倾向于多调用数据源
|
||||
- **只能选择当前可用的数据源,不可用的数据源必须返回false**
|
||||
- **优先使用最少的数据源来满足需求,避免不必要的API调用**
|
||||
- 时效性问题(最新、上映时间、续集、播出、更新等)→ 需要联网搜索${!availableDataSources.webSearch ? '(但当前不可用)' : ''}
|
||||
- 演员/导演相关问题 → 优先豆瓣,如果问"最近作品"则额外联网
|
||||
- 推荐类问题 → 仅豆瓣(如果包含"最新""今年"等时效性关键词则额外联网)
|
||||
- 剧情、评分等静态信息 → 仅豆瓣或TMDB,不需要联网
|
||||
- 当前视频的详细信息(有视频上下文) → 豆瓣+TMDB,通常不需要联网
|
||||
- 新闻、热点、讨论等 → 需要联网搜索${!availableDataSources.webSearch ? '(但当前不可用)' : ''}
|
||||
|
||||
只返回JSON,不要其他内容。`;
|
||||
|
||||
@@ -392,8 +449,11 @@ async function callDecisionModel(
|
||||
const data = await response.json();
|
||||
const content = data.content?.[0]?.text || '';
|
||||
|
||||
// 清理可能的代码块标记
|
||||
const cleanedContent = cleanJsonResponse(content);
|
||||
|
||||
// 提取JSON
|
||||
const jsonMatch = content.match(/\{[\s\S]*\}/);
|
||||
const jsonMatch = cleanedContent.match(/\{[\s\S]*\}/);
|
||||
if (jsonMatch) {
|
||||
return JSON.parse(jsonMatch[0]);
|
||||
}
|
||||
@@ -424,19 +484,20 @@ async function callDecisionModel(
|
||||
|
||||
const data = await response.json();
|
||||
const content = data.choices?.[0]?.message?.content || '{}';
|
||||
return JSON.parse(content);
|
||||
|
||||
// 清理可能的代码块标记
|
||||
const cleanedContent = cleanJsonResponse(content);
|
||||
|
||||
return JSON.parse(cleanedContent);
|
||||
}
|
||||
} catch (error) {
|
||||
console.error('❌ 决策模型调用失败:', error);
|
||||
// 失败时返回null,由调用方降级到传统意图分析
|
||||
return null as any;
|
||||
}
|
||||
|
||||
// 失败时返回默认决策(保守策略:都调用)
|
||||
return {
|
||||
needWebSearch: true,
|
||||
needDouban: true,
|
||||
needTMDB: context?.tmdb_id !== undefined,
|
||||
reasoning: '决策模型调用失败,使用默认策略',
|
||||
};
|
||||
// 不应该到达这里
|
||||
return null as any;
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -451,6 +512,9 @@ export async function orchestrateDataSources(
|
||||
tavilyApiKey?: string;
|
||||
serperApiKey?: string;
|
||||
serpApiKey?: string;
|
||||
// TMDB 配置
|
||||
tmdbApiKey?: string;
|
||||
tmdbProxy?: string;
|
||||
// 决策模型配置
|
||||
enableDecisionModel?: boolean;
|
||||
decisionProvider?: 'openai' | 'claude' | 'custom';
|
||||
@@ -462,31 +526,64 @@ export async function orchestrateDataSources(
|
||||
let intent: IntentAnalysisResult;
|
||||
|
||||
// 1. 使用决策模型或传统意图分析
|
||||
let decision: DecisionResult | null = null;
|
||||
if (config?.enableDecisionModel && config.decisionProvider && config.decisionApiKey && config.decisionModel) {
|
||||
console.log('🤖 使用决策模型分析...');
|
||||
|
||||
const decision = await callDecisionModel(userMessage, context, {
|
||||
provider: config.decisionProvider,
|
||||
apiKey: config.decisionApiKey,
|
||||
baseURL: config.decisionBaseURL,
|
||||
model: config.decisionModel,
|
||||
});
|
||||
// 确定哪些数据源是可用的
|
||||
const hasWebSearchProvider = !!(config.enableWebSearch &&
|
||||
config.webSearchProvider &&
|
||||
(
|
||||
(config.webSearchProvider === 'tavily' && config.tavilyApiKey) ||
|
||||
(config.webSearchProvider === 'serper' && config.serperApiKey) ||
|
||||
(config.webSearchProvider === 'serpapi' && config.serpApiKey)
|
||||
));
|
||||
|
||||
const hasTMDB = !!(config.tmdbApiKey);
|
||||
|
||||
decision = await callDecisionModel(
|
||||
userMessage,
|
||||
context,
|
||||
{
|
||||
provider: config.decisionProvider,
|
||||
apiKey: config.decisionApiKey,
|
||||
baseURL: config.decisionBaseURL,
|
||||
model: config.decisionModel,
|
||||
},
|
||||
{
|
||||
webSearch: hasWebSearchProvider,
|
||||
douban: true, // 豆瓣始终可用(服务器端直接调用)
|
||||
tmdb: hasTMDB,
|
||||
}
|
||||
);
|
||||
|
||||
console.log('🎯 决策模型结果:', decision);
|
||||
}
|
||||
|
||||
// 如果决策模型失败或未启用,降级到传统意图分析
|
||||
if (!decision) {
|
||||
if (config?.enableDecisionModel) {
|
||||
console.log('⚠️ 决策模型失败,降级到传统意图分析');
|
||||
}
|
||||
// 传统关键词匹配分析
|
||||
intent = analyzeIntent(userMessage, context);
|
||||
console.log('📊 意图分析结果:', intent);
|
||||
} else {
|
||||
// 将决策结果转换为 IntentAnalysisResult 格式
|
||||
// 保留决策模型的查询优化
|
||||
intent = {
|
||||
type: decision.needDouban ? 'detail' : 'general',
|
||||
type: decision.needDouban && !decision.needWebSearch ? 'detail' :
|
||||
decision.needWebSearch ? 'query' : 'general',
|
||||
needWebSearch: decision.needWebSearch,
|
||||
needDouban: decision.needDouban,
|
||||
needTMDB: decision.needTMDB,
|
||||
keywords: decision.webSearchQuery ? [decision.webSearchQuery] : [],
|
||||
entities: [],
|
||||
mediaType: context?.type,
|
||||
};
|
||||
} else {
|
||||
// 传统关键词匹配分析
|
||||
intent = analyzeIntent(userMessage, context);
|
||||
console.log('📊 意图分析结果:', intent);
|
||||
// 保存优化的查询字符串
|
||||
(intent as any).optimizedWebSearchQuery = decision.webSearchQuery;
|
||||
(intent as any).optimizedDoubanQuery = decision.doubanQuery;
|
||||
}
|
||||
|
||||
// 2. 并行获取所需的数据源
|
||||
@@ -511,7 +608,9 @@ export async function orchestrateDataSources(
|
||||
: config.serpApiKey;
|
||||
|
||||
if (apiKey) {
|
||||
webSearchPromise = fetchWebSearch(userMessage, provider, apiKey);
|
||||
// 使用决策模型优化的查询,如果没有则使用原始消息
|
||||
const searchQuery = (intent as any).optimizedWebSearchQuery || userMessage;
|
||||
webSearchPromise = fetchWebSearch(searchQuery, provider, apiKey);
|
||||
dataPromises.push(webSearchPromise);
|
||||
}
|
||||
}
|
||||
@@ -526,6 +625,12 @@ export async function orchestrateDataSources(
|
||||
category: '热门',
|
||||
type: intent.genre || '全部',
|
||||
});
|
||||
} else if ((intent as any).optimizedDoubanQuery) {
|
||||
// 使用决策模型优化的豆瓣查询
|
||||
doubanPromise = fetchDoubanData({
|
||||
query: (intent as any).optimizedDoubanQuery,
|
||||
kind: intent.mediaType || context?.type,
|
||||
});
|
||||
} else if (context?.title) {
|
||||
doubanPromise = fetchDoubanData({
|
||||
query: context.title,
|
||||
@@ -540,10 +645,14 @@ export async function orchestrateDataSources(
|
||||
|
||||
// TMDB数据
|
||||
if (intent.needTMDB && context?.tmdb_id && context?.type) {
|
||||
tmdbPromise = fetchTMDBData({
|
||||
id: context.tmdb_id,
|
||||
type: context.type,
|
||||
});
|
||||
tmdbPromise = fetchTMDBData(
|
||||
{
|
||||
id: context.tmdb_id,
|
||||
type: context.type,
|
||||
},
|
||||
config?.tmdbApiKey,
|
||||
config?.tmdbProxy
|
||||
);
|
||||
dataPromises.push(tmdbPromise);
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user