feat: add nature machine intelligence latest research (#3295)

docs/study.md

@@ -4,6 +4,12 @@ pageClass: routes
 
 # 学习
 
+## nature machine intelligence
+
+### latest research
+
+<Route author="LogicJake" example="/nature/natmachintell/research" path="/nature/natmachintell/research" />
+
 ## X-MOL 平台
 
 ### 新闻

lib/router.js

@@ -1861,6 +1861,9 @@ router.get('/hatena/anonymous_diary/archive', require('./routes/hatena/anonymous
 // kaggle
 router.get('/kaggle/discussion/:forumId/:sort?', require('./routes/kaggle/discussion'));
 
+// nature
+router.get('/nature/natmachintell/research', require('./routes/nature/natmachintell/research'));
+
 // dlsite
 router.get('/dlsite/new/:type', require('./routes/dlsite/new'));
 

lib/routes/nature/natmachintell/research.js

@@ -0,0 +1,44 @@
+const cheerio = require('cheerio');
+const got = require('@/utils/got');
+const url = require('url');
+
+const host = 'https://www.nature.com';
+const link = 'https://www.nature.com/natmachintell/research';
+
+module.exports = async (ctx) => {
+    const responses = await got.get(link);
+    const $ = cheerio.load(responses.data);
+
+    const list = $('article').get();
+
+    const out = await Promise.all(
+        list.map(async (item) => {
+            const $ = cheerio.load(item);
+            const title = $('h3 a').text();
+            const itemUrl = url.resolve(host, $('h3 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 description = $d('div.c-article-body').html();
+
+            const single = {
+                title,
+                link: itemUrl,
+                description,
+            };
+
+            ctx.cache.set(itemUrl, JSON.stringify(single));
+            return Promise.resolve(single);
+        })
+    );
+    ctx.state.data = {
+        title: 'nature > nature machine intelligence > latest research',
+        link: link,
+        item: out,
+    };
+};