feat: add 扇贝精选文章 (#3277)

docs/study.md

@@ -29,6 +29,20 @@ pageClass: routes
 
 <Route author="DIYgod" example="/shanbay/checkin/ddwej" path="/shanbay/checkin/:id" :paramsDesc="['用户 id']" />
 
+### 精选文章
+
+<Route author="qiwihui" example="/shanbay/footprints" path="/shanbay/footprints/:category?" :paramsDesc="['分类 id']">
+
+| 用户故事 | 地道表达法 | 实用口语 | 语法教室 | 读新闻学英语 | 单词鸡汤 | 扇贝理念 | 英语知识 | 原汁英文 |
+| -------- | ---------- | -------- | -------- | ------------ | -------- | -------- | -------- | -------- |
+| 1        | 31         | 46       | 34       | 40           | 43       | 16       | 7        | 10       |
+
+| 学习方法 | 影视剧讲义 | 产品更新 | 精读文章 | 他山之石 | Quora 翻译 | TED 推荐 | 大耳狐小课堂 | 互动话题 |
+| -------- | ---------- | -------- | -------- | -------- | ---------- | -------- | ------------ | -------- |
+| 13       | 22         | 28       | 4        | 19       | 25         | 37       | 49           | 52       |
+
+</Route>
+
 ## 下厨房
 
 ### 用户作品

lib/router.js

@@ -1002,6 +1002,7 @@ router.get('/steamgifts/discussions/:category?', require('./routes/steam/steamgi
 
 // 扇贝
 router.get('/shanbay/checkin/:id', require('./routes/shanbay/checkin'));
+router.get('/shanbay/footprints/:category?', require('./routes/shanbay/footprints'));
 
 // Facebook
 router.get('/facebook/page/:id', require('./routes/facebook/page'));

lib/routes/shanbay/footprints.js

@@ -0,0 +1,42 @@
+const cheerio = require('cheerio');
+const got = require('@/utils/got');
+
+module.exports = async (ctx) => {
+    const cat = ctx.params.category;
+    const host = 'https://www.shanbay.com';
+    const url = cat ? `${host}/footprints/?category=${cat}` : `${host}/footprints/`;
+    const res = await got.get(url);
+    const $ = cheerio.load(res.data);
+    const list = $('div.articles div.article-item').get();
+
+    const out = await Promise.all(
+        list.map(async (item) => {
+            const $ = cheerio.load(item);
+            const time = $('p.article-publish-day').text() + $('span.article-publish-month-year').text();
+            const title = $('h3.article-title a').text();
+            const itemUrl = host + $('h3.article-title a').attr('href');
+            const cache = await ctx.cache.get(itemUrl);
+            if (cache) {
+                return Promise.resolve(JSON.parse(cache));
+            }
+
+            const responses = await got.get(itemUrl);
+            const $d = cheerio.load(responses.data);
+
+            const single = {
+                title,
+                pubDate: new Date(time).toUTCString(),
+                link: itemUrl,
+                guid: itemUrl,
+                description: $d('#content .content').html(),
+            };
+            ctx.cache.set(itemUrl, JSON.stringify(single));
+            return Promise.resolve(single);
+        })
+    );
+    ctx.state.data = {
+        title: '扇贝精选文章',
+        link: url,
+        item: out,
+    };
+};