47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
const got = require('@/utils/got');
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const parser = require('@/utils/rss-parser');
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const cheerio = require('cheerio');
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const ProcessFeed = async (link) => {
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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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// 提取内容
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return $('font').html();
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};
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module.exports = async (ctx) => {
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const feed = await parser.parseURL('http://www.aaronsw.com/2002/feeds/pgessays.rss');
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const items = await Promise.all(
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feed.items.slice(0, 5).map(async (item) => {
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const cache = await ctx.cache.get(item.link);
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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 description = await ProcessFeed(item.link);
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const single = {
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title: item.title,
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description,
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link: item.link,
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author: item.author,
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};
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ctx.cache.set(item.link, 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: feed.title,
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link: 'http://www.paulgraham.com/articles.html',
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description: 'Essays by Paul Graham',
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item: items,
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};
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};
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