mirror of
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105 lines
3.3 KiB
JavaScript
105 lines
3.3 KiB
JavaScript
const got = require('@/utils/got');
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const cheerio = require('cheerio');
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const url = require('url');
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const date = require('@/utils/date');
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const host = 'https://segmentfault.com';
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module.exports = async (ctx) => {
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const name = ctx.params.name;
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const link = `https://segmentfault.com/channel/${name}`;
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const response = await got.get(link);
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const $ = cheerio.load(response.data);
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const channel_name = $('div.feed-option h5').text();
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const list = $('div.news-item.stream__item.clearfix.mt15')
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.slice(0, 10)
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.map(function() {
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const info = {
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link: $(this)
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.find('div.news__item-info.clearfix a')
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.attr('href'),
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title: $(this)
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.find('div.mb5.mt5 h4')
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.text(),
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author: $(this)
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.find('span.author.pr20 a')
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.text(),
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};
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return info;
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})
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.get();
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const out = await Promise.all(
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list.map(async (info) => {
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const title = info.title;
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const itemUrl = url.resolve(host, info.link);
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const author = info.author;
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const cache = await ctx.cache.get(itemUrl);
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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 response = await got.get(itemUrl);
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const $ = cheerio.load(response.data);
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let date_value = '';
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let description = '';
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if (info.link.indexOf('p') !== -1) {
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// 分享
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description =
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$('div.fmt.mb10')
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.html()
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.trim() +
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$('div.content h3')
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.html()
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.replace(/href="\//g, `href="${url.resolve(host, '.')}`)
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.trim();
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const date_list = $('div.news__item-info > p > span')
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.text()
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.trim()
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.split(' ');
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date_list.shift();
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let date_v = '';
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if (date_list.length > 1) {
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date_v = date_list.join('');
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} else {
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date_v = date_list[0];
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}
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date_value = date_v.substring(0, date_v.length - 3);
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} else {
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// 文章
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description = $('div.article.fmt.article__content')
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.html()
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.replace(/data-src="/g, 'src="https://segmentfault.com')
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.trim();
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const date_v = $('div.article__authorright > span')
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.text()
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.trim()
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.replace(' ', '');
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date_value = date_v.substring(0, date_v.length - 2);
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}
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const single = {
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title: title,
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link: itemUrl,
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author: author,
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description: description,
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pubDate: date(date_value, 8),
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};
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ctx.cache.set(itemUrl, JSON.stringify(single));
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return Promise.resolve(single);
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})
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);
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ctx.state.data = {
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title: `${channel_name}——segmentfault`,
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link: link,
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item: out,
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};
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};
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