57 lines
1.8 KiB
JavaScript
57 lines
1.8 KiB
JavaScript
const got = require('@/utils/got');
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const cheerio = require('cheerio');
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module.exports = async (ctx) => {
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const tabid = ctx.params.tabid;
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const host = 'https://v2ex.com';
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const pageUrl = `${host}/?tab=${tabid}`;
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const response = await got({
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method: 'get',
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url: pageUrl,
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});
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const $ = cheerio.load(response.data);
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const links = $('span.item_title > a')
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.toArray()
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.slice(0, ctx.query.limit ? parseInt(ctx.query.limit) : 10)
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.map((link) => `${host}${$(link).attr('href').replace(/#.*$/, '')}`);
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const items = await Promise.all(
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links.map((link) =>
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ctx.cache.tryGet(`v2ex-${link}`, async () => {
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const response = await got({
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method: 'get',
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url: link,
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});
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const $ = cheerio.load(response.data);
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const list = $('[id^="r_"]').toArray();
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const replyContent = list
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.map((item) => {
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const post = $(item);
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const content = post.find('.reply_content').html();
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const author = post.find('.dark').first().text();
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const no = post.find('.no').text();
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return `<p><div>#${no}: <i>${author}</i></div><div>${content}</div></p>`;
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})
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.join('');
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return {
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title: $('.header h1').text(),
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link,
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description: `${$('div.topic_content').html()}<div>${replyContent}</div>`,
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author: $('div.header > small > a').text(),
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};
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})
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)
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);
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ctx.state.data = {
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title: `V2EX-${tabid}`,
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link: pageUrl,
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description: `V2EX-tab-${tabid}`,
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item: items,
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};
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};
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