refactor: 重构方格子 vocus 全文缓存 (#2151)

* refactor: 重构方格子 vocus 全文缓存

* fix: return await Promise.all()

lib/routes/vocus/utils.js

@@ -0,0 +1,29 @@
+const axios = require('@/utils/axios');
+
+const load = async (id, headers) => ({
+    description: (await axios.get(`https://api.sosreader.com/api/article/${id}`, headers)).data.article.content,
+});
+
+const ProcessFeed = async (list, host, caches) => {
+    const headers = { Referer: host };
+
+    return await Promise.all(
+        list.map(async (item) => {
+            const itemUrl = `https://api.sosreader.com/api/article/${item._id}`;
+
+            const single = {
+                title: item.title,
+                author: item.user.fullname,
+                pubDate: new Date(item.updatedAt).toUTCString(),
+                link: `${host}/${item._id}`,
+            };
+
+            const other = await caches.tryGet(itemUrl, single, async () => await load(itemUrl, headers));
+            return Promise.resolve(Object.assign({}, single, other));
+        })
+    );
+};
+
+module.exports = {
+    ProcessFeed,
+};