feat: add cntv column (#6080)

Co-authored-by: Henry Wang <hi@henry.wang>

docs/multimedia.md

@@ -63,6 +63,25 @@ pageClass: routes
 
 :::
 
+## CNTV 栏目
+
+::: tip 提示
+
+栏目 ID 查找示例: 
+打开栏目具体某一期页面，F12 控制台输入`column_id`得到栏目 ID。
+
+:::
+
+<Route author="WhoIsSure" example="/cntv/TOPC1451528971114112" path="/cntv/:column" :paramsDesc="['栏目ID, 可在对应CNTV栏目页面找到']">
+
+栏目
+
+| 新闻联播             | 新闻周刊             | 天下足球             |
+| -------------------- | -------------------- | -------------------- |
+| TOPC1451528971114112 | TOPC1451559180488841 | TOPC1451551777876756 |
+
+</Route>
+
 ## EZTV
 
 ::: tip 提示

lib/router.js

@@ -3453,10 +3453,11 @@ router.get('/wsj/:lang/:category', require('./routes/wsj/index'));
 // China File
 router.get('/chinafile/:category?', require('./routes/chinafile/index'));
 
-// Grand-Challenge-user
-router.get('/grandchallenge/user/:id', require('./routes/grandchallenge/user'));
+// CNTV
+router.get('/cntv/:column', require('./routes/cntv/cntv'));
 
-// Grand-Challenge-Challenges
+// Grand-Challenge
+router.get('/grandchallenge/user/:id', require('./routes/grandchallenge/user'));
 router.get('/grandchallenge/challenges', require('./routes/grandchallenge/challenges'));
 
 module.exports = router;

lib/routes/cntv/cntv.js

@@ -0,0 +1,24 @@
+const got = require('@/utils/got');
+
+module.exports = async (ctx) => {
+    const id = ctx.params.column;
+
+    const response = await got({
+        method: 'get',
+        url: `http://api.cntv.cn/lanmu/videolistByColumnId?id=${id}&n=20&of=fdate&p=1&type=0&serviceId=tvcctv`,
+    });
+    const data = response.data.response.docs;
+    const name = data[0].videoTag.split(',')[0] || id;
+
+    ctx.state.data = {
+        title: `CNTV 栏目 - ${name}`,
+        description: `${name} 栏目的视频更新`,
+        item: data.map((item) => ({
+            title: item.videoTitle,
+            description: `<p>${item.videoBrief}</p><br><p><img src="${item.videoKeyFrameUrl}"></p><br><p>在线观看: <a href="https://www.m3u8play.com/?play=https://hls.cntv.baishancdnx.cn/asp/hls/main/0303000a/3/default/${item.videoSharedCode}/main.m3u8">M3U8在线播放</a></p>`,
+            pubDate: new Date(item.videoProductiontime * 1).toUTCString(),
+            link: item.videoUrl,
+            category: item.videoTag.split(','),
+        })),
+    };
+};