feat(route): 微信公众号新增 wechat-feeds 来源 (#7419)

Co-authored-by: GitHub Action <action@github.com>

lib/routes/tencent/wechat/feeds.js

@@ -0,0 +1,47 @@
+const parser = require('@/utils/rss-parser');
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+
+module.exports = async (ctx) => {
+    const { id } = ctx.params;
+    const link = `https://github.com/hellodword/wechat-feeds/raw/feeds/${id}.xml`;
+    const feed = await parser.parseURL(link);
+
+    const items = await Promise.all(
+        feed.items.map(async (item) => {
+            const cache = await ctx.cache.get(item.link);
+            if (cache) {
+                return Promise.resolve(JSON.parse(cache));
+            }
+
+            const response = await got.get(item.link);
+
+            const $ = cheerio.load(response.data);
+            const post = $('#js_content');
+
+            post.find('img').each((_, img) => {
+                const dataSrc = $(img).attr('data-src');
+                if (dataSrc) {
+                    $(img).attr('src', dataSrc);
+                }
+            });
+
+            const single = {
+                title: item.title,
+                description: post.html(),
+                pubDate: new Date(item.pubDate),
+                link: item.link,
+            };
+
+            ctx.cache.set(item.link, JSON.stringify(single));
+            return Promise.resolve(single);
+        })
+    );
+
+    ctx.state.data = {
+        title: `${feed.title}`,
+        link,
+        description: feed.description,
+        item: items,
+    };
+};