feat: add sixthtone news (#2404)

docs/other.md

@@ -189,6 +189,12 @@ pageClass: routes
 
 </Route>
 
+## sixthtone
+
+### 最新文章
+
+<Route author="kt286" example="/sixthtone/news" path="/sixthtone/news"/>
+
 ## The Verge
 
 ### The Verge

lib/router.js

@@ -1415,4 +1415,7 @@ router.get('/kkj/news', require('./routes/kkj/news'));
 // Outage.Report
 router.get('/outagereport/:name/:count?', require('./routes/outagereport/service'));
 
+// sixthtone
+router.get('/sixthtone/news', require('./routes/sixthtone/news'));
+
 module.exports = router;

lib/routes/sixthtone/news.js

@@ -0,0 +1,57 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+const parser = require('@/utils/rss-parser');
+
+module.exports = async (ctx) => {
+    const feed = await parser.parseURL('https://www.sixthtone.com/rss');
+
+    const ProcessFeed = (data) => {
+        const $ = cheerio.load(data);
+
+        $('img').each((index, elem) => {
+            const $elem = $(elem);
+            $elem.attr('referrerpolicy', 'no-referrer');
+        });
+
+        // 移除广告等内容
+        $('[class*="advertise-"]').remove();
+
+        // 提取内容
+        return $('.content').html();
+    };
+
+    const items = await Promise.all(
+        feed.items.map(async (item) => {
+            const link = 'https:' + item.link.match(/\/\/www.sixthtone.com\/news\/\d+\//g)[0];
+
+            const cache = await ctx.cache.get(link);
+            if (cache) {
+                return Promise.resolve(JSON.parse(cache));
+            }
+
+            const response = await got({
+                method: 'get',
+                url: link,
+            });
+
+            const description = ProcessFeed(response.data);
+
+            const single = {
+                title: item.title,
+                description,
+                pubDate: item.pubDate,
+                link: link,
+                author: item.author,
+            };
+            ctx.cache.set(link, JSON.stringify(single));
+            return Promise.resolve(single);
+        })
+    );
+
+    ctx.state.data = {
+        title: feed.title,
+        link: feed.link,
+        description: feed.description,
+        item: items,
+    };
+};