feat(inoreader): rss (#12196)

* feat(inoreader): rss

* Update docs/en/reading.md

* Update docs/reading.md
---------

docs/en/reading.md

@@ -35,6 +35,12 @@ Eg: <https://www.inoreader.com/stream/user/1006346356/tag/News/view/html?n=3>
 
 </RouteEn>
 
+### RSS
+
+<RouteEn author="NavePnow" example="/inoreader/rss/1005137674/user-favorites" path="/inoreader/rss/:user/:tag" :paramsDesc="[
+'user id, the interger after user/ in the example URL',
+'tag, the string after tag/ in the example URL',
+]">
 
 ## kakuyomu
 

docs/reading.md

@@ -35,6 +35,13 @@ pageClass: routes
 
 </Route>
 
+### RSS
+
+<Route author="NavePnow" example="/inoreader/rss/1005137674/user-favorites" path="/inoreader/rss/:user/:tag" :paramsDesc="[
+'用户 id, 即举例网址 URL 中的 user/ 后的数字',
+'标签名, 即举例网址 URL 中的 tag/ 后的内容'
+]">
+
 ## kakuyomu
 
 ### 章节更新

lib/v2/inoreader/maintainer.js

@@ -1,3 +1,4 @@
 module.exports = {
     '/html_clip/:user/:tag/:num?': ['BeautyyuYanli'],
+    '/rss/:user/:tag': ['NavePnow'],
 };

lib/v2/inoreader/radar.js

@@ -12,6 +12,12 @@ module.exports = {
                     return `/inoreader/html_clip/${params.user}/${params.tag}` + (limit ? `?limit=${limit}` : '');
                 },
             },
+            {
+                title: 'RSS',
+                docs: 'https://docs.rsshub.app/reading.html#inoreader',
+                source: ['/stream/user/:user/tag/:tag'],
+                target: (params) => `/inoreader/rss/${params.user}/${params.tag}`,
+            },
         ],
     },
 };

lib/v2/inoreader/router.js

@@ -1,3 +1,4 @@
 module.exports = function (router) {
     router.get('/html_clip/:user/:tag', require('./index'));
+    router.get('/rss/:user/:tag', require('./rss'));
 };

lib/v2/inoreader/rss.js

@@ -0,0 +1,22 @@
+const parser = require('@/utils/rss-parser');
+
+module.exports = async (ctx) => {
+    const user = ctx.params.user;
+    const tag = ctx.params.tag;
+    const rootUrl = 'https://www.inoreader.com/stream';
+    const rssUrl = `${rootUrl}/user/${user}/tag/${tag}`;
+    const feed = await parser.parseURL(rssUrl);
+    feed.items = feed.items.map((item) => ({
+        title: item.title,
+        pubDate: item.pubDate,
+        link: item.link,
+        description: item.content,
+        category: item.categories,
+    }));
+    ctx.state.data = {
+        title: feed.title,
+        link: feed.link,
+        description: feed.description,
+        item: feed.items,
+    };
+};