financeNews.ts•3.33 kB
import { removeDuplicates } from './crawler/utils.js';
import { searchBaiduNews } from './crawler/baiduNews.js';
export interface NewsItem {
title: string;
summary: string;
url: string;
source: string;
publishTime: string;
keywords: string[];
}
export const financeNews = {
name: "finance_news",
description: "通过真正的搜索API获取主流财经媒体的新闻内容，支持单个或多个关键词智能搜索",
parameters: {
type: "object",
properties: {
query: {
type: "string",
description: "搜索关键词，支持单个关键词如'药明康德'、'腾讯'，或多个关键词用空格分开如'美联储 加息'、'比特币 监管'等。系统会智能搜索相关历史新闻"
}
},
required: ["query"]
},
async run(args: {
query: string;
}) {
try {
if (!args.query || args.query.trim().length === 0) {
throw new Error("搜索关键词不能为空");
}
const query = args.query.trim();
console.log(`开始搜索财经新闻，关键词: ${query}，使用有效的新闻接口`);
const newsResults = await searchFinanceNews(query);
if (newsResults.length === 0) {
return {
content: [
{
type: "text",
text: `# ${query} 财经新闻搜索结果\n\n未找到相关财经新闻`
}
]
};
}
console.log(`搜索完成，共找到 ${newsResults.length} 条新闻`);
// 简化返回格式，参考stock_data的格式
const formattedNews = newsResults.map((news) => {
return `${news.title}\n来源: ${news.source} 时间: ${news.publishTime}\n摘要: ${news.summary}${news.url ? `\n链接: ${news.url}` : ''}\n`;
}).join('\n---\n\n');
return {
content: [
{
type: "text",
text: `# ${query} 财经新闻搜索结果\n\n${formattedNews}`
}
]
};
} catch (error) {
console.error('搜索财经新闻时发生错误:', error);
return {
content: [
{
type: "text",
text: `# ${args.query || '财经新闻'} 搜索失败\n\n错误信息: ${error instanceof Error ? error.message : '未知错误'}`
}
]
};
}
}
};
async function searchFinanceNews(query: string): Promise<NewsItem[]> {
const news: NewsItem[] = [];
const keywords = query.split(' ').filter(k => k.trim().length > 0);
// 并发搜索多个有效的媒体源（当前仅百度）
const searchPromises = [
searchBaiduNews(keywords)
];
try {
const results = await Promise.allSettled(searchPromises);
results.forEach((result, index) => {
const sourceNames = ['百度新闻'];
if (result.status === 'fulfilled') {
news.push(...result.value);
console.log(`${sourceNames[index]} 搜索成功，获得 ${result.value.length} 条新闻`);
} else {
console.error(`${sourceNames[index]} 搜索失败:`, result.reason);
}
});
// 去重
const uniqueNews = removeDuplicates(news);
return uniqueNews.slice(0, 20); // 最多返回20条
} catch (error) {
console.error('并发搜索时发生错误:', error);
return [];
}
}