feat: Add SoundCloud (#2080)

* feat: Add SoundCloud

* Update utils.js

lib/routes/soundcloud/utils.js

@@ -0,0 +1,56 @@
+const axios = require('../../utils/axios');
+const cheerio = require('cheerio');
+const url = require('url');
+
+async function load(link) {
+    const response = await axios.get(link);
+    const $ = cheerio.load(response.data, { xmlMode: true });
+    let result = '';
+    const tmp = $('noscript article p');
+    result += `<p>${tmp.html()}</p>`;
+    const embed_url = $('noscript article div')
+        .first()
+        .children()
+        .first()
+        .attr('content');
+    result += `<iframe width=85% src=${embed_url}/>`;
+    return { description: result };
+}
+
+const ProcessFeed = async (list, caches) => {
+    const host = 'https://www.soundcloud.com';
+
+    return await Promise.all(
+        list.map(async (item) => {
+            const $ = cheerio.load(item);
+
+            const $title = $('h2')
+                .children()
+                .first();
+
+            const itemUrl = url.resolve(host, $title.attr('href'));
+
+            const author = $('h2')
+                .children()
+                .last()
+                .text();
+
+            const date = new Date($('time').text());
+            const timeZone = 8;
+            const serverOffset = date.getTimezoneOffset() / 60;
+            const pubDate = new Date(date.getTime() - 60 * 60 * 1000 * (timeZone + serverOffset)).toUTCString();
+            const single = {
+                title: $title.text(),
+                link: itemUrl,
+                guid: itemUrl,
+                author,
+                pubDate,
+            };
+            const other = await caches.tryGet(itemUrl, async () => await load(itemUrl));
+            return Promise.resolve(Object.assign({}, single, other));
+        })
+    );
+};
+module.exports = {
+    ProcessFeed,
+};