57 lines
1.8 KiB
JavaScript
57 lines
1.8 KiB
JavaScript
const cheerio = require('cheerio');
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const got = require('@/utils/got');
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const date = require('@/utils/date');
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const url = require('url');
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const host = 'https://user.guancha.cn';
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module.exports = async (ctx) => {
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const id = ctx.params.id;
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const link = `https://user.guancha.cn/topic/attention-topic?follow-topic-id=${id}`;
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const res = await got.get(encodeURI(link));
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const $ = cheerio.load(res.data);
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// 话题名称
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const title = $('.topic-main').text();
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// 文章列表
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const list = $('.article-list .list-item h4')
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.find('a')
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.map((i, e) => $(e).attr('href'))
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.get();
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const out = await Promise.all(
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list.map(async (itemUrl) => {
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// 将相对链接替换为绝对链接
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const absoluteUrl = url.resolve(host, itemUrl);
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const cache = await ctx.cache.get(absoluteUrl);
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// 判断缓存
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if (cache) {
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return Promise.resolve(JSON.parse(cache));
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}
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const res = await got.get(absoluteUrl);
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const $ = cheerio.load(res.data);
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const dateStr = $('.user-main .time1').text();
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const item = {
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title: $('.article-content h1').text(),
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author: $('.user-main h4')
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.first()
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.find('a')
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.text(),
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link: absoluteUrl,
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description: $('.article-txt-content').html(),
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// 格式化日期
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pubDate: date(dateStr),
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};
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ctx.cache.set(absoluteUrl, JSON.stringify(item));
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return Promise.resolve(item);
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})
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);
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ctx.state.data = {
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title: `风闻话题-${title}`,
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link: link,
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item: out,
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};
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};
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