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Make RSS Great Again!
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text/typescript
import cache from '@/utils/cache';
// common.js
import { load } from 'cheerio';
import got from '@/utils/got';
import categoryTitle from './category-title';
import newsContent from './news-content';
import indexPage from './index-page';
async function getContent(ctx, { baseHost, baseCategory, baseType, baseTitle, baseDescription = '', baseDeparment = '', baseClass = 'div.article_list ul li:has(a)' }) {
const { category = baseCategory, type = baseType, page = '1' } = ctx.req.param();
const title = `${baseTitle} - ${categoryTitle(category)}`;
const description = baseDescription ? `${baseDescription} - ${categoryTitle(category)}` : title;
const typeURL = type ? `/${type}` : '';
const baseURl = `${baseHost}${typeURL}/${category}`;
const url = `${baseURl}/${indexPage(page)}`;
const { data: response } = await got(url);
const $ = load(response);
const list = $(baseClass)
.toArray()
.map((item) => {
item = $(item);
const a = item.find('a');
const href = a.attr('href');
const title = a.text();
const link = href.startsWith('./') && !href.endsWith('.pdf') ? `${baseURl}${href.replace('./', '/')}` : href;
return {
title,
link,
};
});
const items = await Promise.all(
list.map((item) =>
cache.tryGet(item.link, async () => {
const content = await newsContent(item.link, baseDeparment);
item.pubDate = content.pubDate;
item.description = content.description;
return item;
})
)
);
return {
// 源标题
title,
description,
// 源链接
link: url,
// 源文章
item: items,
};
}
export default getContent;