feat: 添加对【少数派 sspai 按标签更新文章】的支持 (#3220)

docs/new-media.md

@@ -603,6 +603,10 @@ pageClass: routes
 
 <Route author="SunShinenny" example="/sspai/topic/250" path="/sspai/topic/:id"  :paramsDesc="['专题 id，可在专题主页URL中找到']"/>
 
+### 标签订阅
+
+<Route author="Jeason0228" example="/sspai/tag/apple" path="/sspai/tag/:keyword" :paramsDesc="['关键词']"/>
+
 ## 世界卫生组织
 
 ### 媒体中心

lib/router.js

@@ -716,6 +716,7 @@ router.get('/sspai/column/:id', require('./routes/sspai/column'));
 router.get('/sspai/author/:id', require('./routes/sspai/author'));
 router.get('/sspai/topics', require('./routes/sspai/topics'));
 router.get('/sspai/topic/:id', require('./routes/sspai/topic'));
+router.get('/sspai/tag/:keyword', require('./routes/sspai/tag'));
 
 // 异次元软件世界
 router.get('/iplay/home', require('./routes/iplay/home'));

lib/routes/sspai/tag.js

@@ -0,0 +1,45 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+
+module.exports = async (ctx) => {
+    const keyword = ctx.params.keyword;
+    const api_url = `https://sspai.com/api/v1/articles?offset=0&limit=50&has_tag=1&tag=${keyword}&include_total=false`;
+    const host = `https://beta.sspai.com/tag/${keyword}`;
+    const resp = await got({
+        method: 'get',
+        url: api_url,
+        headers: {
+            Referer: host,
+        },
+    });
+    const data = resp.data.list;
+    const items = await Promise.all(
+        data.map(async (item) => {
+            const link = `https://sspai.com/post/${item.id}`;
+            let description = ``;
+            const key = item.id;
+            const value = await ctx.cache.get(key);
+            if (value) {
+                description = value;
+            } else {
+                const response = await got({ method: 'get', url: link, headers: { Referer: host } });
+                const $ = cheerio.load(response.data);
+                description = $('div.content.wangEditor-txt.clock').html();
+                ctx.cache.set(key, description);
+            }
+            return {
+                title: item.title.trim(),
+                description: description,
+                link: link,
+                pubDate: new Date(item.released_at * 1000).toUTCString(),
+                author: item.author.nickname,
+            };
+        })
+    );
+    ctx.state.data = {
+        title: `#${keyword} - 少数派`,
+        link: host,
+        description: `${keyword} 更新推送 `,
+        item: items,
+    };
+};