feat: Add PubMed Trending Support (Router: /pubmed/trending) (#4078)

docs/en/journal.md

@@ -68,6 +68,10 @@ pageClass: routes
 
 ## Search Engine
 
+### PubMed Trending
+
+<RouteEn author="yech1990" example="/pubmed/trending" path="/pubmed/trending" />
+
 ### X-MOL Platform - News
 
 <RouteEn author="cssxsh" example="/x-mol/news/3" path="/x-mol/news/:tag?" :paramsDesc="['数字编号，可从新闻列表URL得到。为空时从新闻主页获取新闻。']" />

docs/journal.md

@@ -6,6 +6,10 @@ pageClass: routes
 
 ## 聚合平台
 
+### PubMed-热门文章
+
+<Route author="yech1990" example="/pubmed/trending" path="/pubmed/trending" />
+
 ### X-MOL 平台-新闻
 
 <Route author="cssxsh" example="/x-mol/news/3" path="/x-mol/news/:tag?" :paramsDesc="['数字编号，可从新闻列表URL得到。为空时从新闻主页获取新闻。']" />

lib/router.js

@@ -1987,6 +1987,9 @@ router.get('/hatena/anonymous_diary/archive', require('./routes/hatena/anonymous
 router.get('/kaggle/discussion/:forumId/:sort?', require('./routes/kaggle/discussion'));
 router.get('/kaggle/competitions/:category?', require('./routes/kaggle/competitions'));
 
+// PubMed Trending
+router.get('/pubmed/trending', require('./routes/pubmed/trending'));
+
 // eLife [Sci Journal]
 router.get('/elife/latest', require('./routes/elife/latest'));
 router.get('/elife/:tid', require('./routes/elife/subject'));

lib/routes/pubmed/trending.js

@@ -0,0 +1,73 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+const url = require('url');
+const date = require('@/utils/date');
+
+const base = 'https://www.ncbi.nlm.nih.gov';
+
+module.exports = async (ctx) => {
+    const link = `${base}/pubmed/trending/`;
+    const response = await got.get(encodeURI(link));
+    const pageCapture = cheerio.load(response.data);
+
+    const list = pageCapture('.content div.rprt > div.rslt').get();
+    const out = await Promise.all(
+        list.map(async (elem) => {
+            const $ = cheerio.load(elem);
+            const title = $('p > a').text();
+            const partial = $('p > a').attr('href');
+            const address = url.resolve(base, partial);
+            const author = $('div.supp > p.desc').text();
+            const pubDate = date(
+                $('div.supp > p.details')
+                    .text()
+                    .split('. ')[1]
+            );
+
+            const item = {
+                title,
+                author,
+                pubDate,
+                link: encodeURI(address),
+            };
+
+            const value = await ctx.cache.get(address);
+            if (value) {
+                item.description = value;
+            } else {
+                const detail = await got.get(item.link);
+                const detailCapture = cheerio.load(detail.data);
+
+                let authorContents = '';
+                if (author !== '') {
+                    authorContents = `
+                    <div id="author-content">
+                      <span style="color: grey">${author}</span>
+                    </div>
+                    `;
+                }
+                const abs = detailCapture('div.abstr > div').html();
+                let absContents = '';
+                if (abs !== null) {
+                    absContents = `
+                    <div id="abstract-content">
+                      <h2 align="left">Abstract</h2>
+                      <p>${abs}</p>
+                    </div>
+                    `;
+                }
+                item.description = authorContents + absContents;
+                ctx.cache.set(address, item.description);
+            }
+
+            return Promise.resolve(item);
+        })
+    );
+
+    ctx.state.data = {
+        title: 'PubMed | Trending Articles',
+        description: 'Trending Articles from PubMed Website',
+        link: link,
+        item: out,
+    };
+};

lib/routes/zhishifenzi/depth.js

@@ -14,7 +14,7 @@ module.exports = async (ctx) => {
 
     const list = pageCapture('div.inner_depth_list > ul > li').get();
     const out = await Promise.all(
-        list.slice(0, 3).map(async (elem) => {
+        list.map(async (elem) => {
             const $ = cheerio.load(elem);
             const title = $('h5 > a').text();
             const partial = $('h5 > a').attr('href');