feat(route): douyu room api update with fallback (DIYgod#15401)

* feat(route): douyu room api update with fallback

* style: auto format

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

lib/routes/douyu/room.ts

@@ -20,37 +20,77 @@ export const route: Route = {
         },
     ],
     name: '直播间开播',
-    maintainers: ['DIYgod'],
+    maintainers: ['DIYgod', 'ChaosTong'],
     handler,
 };
 
 async function handler(ctx) {
     const id = ctx.req.param('id');
 
-    const response = await got({
-        method: 'get',
-        url: `http://open.douyucdn.cn/api/RoomApi/room/${id}`,
-        headers: {
-            Referer: `https://www.douyu.com/${id}`,
-        },
-    });
+    let data;
+    let item;
+    let room_thumb;
+    try {
+        const response = await got({
+            method: 'get',
+            url: `https://www.douyu.com/betard/${id}`,
+        });
 
-    const data = response.data.data;
+        if (!response.data.room) {
+            throw new Error('Invalid response');
+        }
 
-    let item;
-    if (data.online !== 0) {
-        item = [
-            {
-                title: `开播: ${data.room_name}`,
-                pubDate: new Date(data.start_time).toUTCString(),
-                guid: data.start_time,
-                link: `https://www.douyu.com/${id}`,
+        data = response.data.room;
+        room_thumb = data.room_pic;
+
+        if (data.show_status === 1) {
+            item =
+                data.videoLoop === 1
+                    ? [
+                          {
+                              title: `视频轮播: ${data.room_name}`,
+                              pubDate: new Date(data.show_time * 1000).toUTCString(),
+                              guid: data.show_time,
+                              link: `https://www.douyu.com/${id}`,
+                          },
+                      ]
+                    : [
+                          {
+                              title: `开播: ${data.room_name}`,
+                              pubDate: new Date(data.show_time * 1000).toUTCString(),
+                              guid: data.show_time,
+                              link: `https://www.douyu.com/${id}`,
+                          },
+                      ];
+        }
+        // make a fallback to the old api
+    } catch {
+        const response = await got({
+            method: 'get',
+            url: `http://open.douyucdn.cn/api/RoomApi/room/${id}`,
+            headers: {
+                Referer: `https://www.douyu.com/${id}`,
             },
-        ];
+        });
+
+        data = response.data.data;
+        room_thumb = data.room_thumb;
+
+        if (data.online !== 0) {
+            item = [
+                {
+                    title: `开播: ${data.room_name}`,
+                    pubDate: new Date(data.start_time).toUTCString(),
+                    guid: data.start_time,
+                    link: `https://www.douyu.com/${id}`,
+                },
+            ];
+        }
     }
 
     return {
         title: `${data.owner_name}的斗鱼直播间`,
+        image: room_thumb,
         link: `https://www.douyu.com/${id}`,
         item,
         allowEmpty: true,