add doulist (#1484)

closes #1294

docs/README.md

@@ -497,6 +497,8 @@ RSSHub 提供下列 API 接口:
 
 </route>
 
+<route name="豆列" author="LogicJake" example="/douban/doulist/37716774" path="douban/doulist/:id" :paramsDesc="['豆列id']"/>
+
 ### Disqus
 
 <route name="评论" author="DIYgod" example="/disqus/posts/diygod-me" path="/disqus/posts/:forum" :paramsDesc="['网站的 disqus name']"/>

lib/router.js

@@ -226,6 +226,7 @@ router.get('/douban/event/hot/:locationId', require('./routes/douban/event/hot')
 router.get('/douban/commercialpress/latest', require('./routes/douban/commercialpress/latest'));
 router.get('/douban/bookstore', require('./routes/douban/bookstore'));
 router.get('/douban/book/rank/:type', require('./routes/douban/book/rank'));
+router.get('/douban/doulist/:id', require('./routes/douban/doulist'));
 
 // 煎蛋
 router.get('/jandan/:sub_model', require('./routes/jandan/pic'));

lib/routes/douban/doulist.js

@@ -0,0 +1,54 @@
+const axios = require('../../utils/axios');
+const cheerio = require('cheerio');
+const url = require('url');
+
+const host = 'https://www.douban.com/doulist/';
+
+module.exports = async (ctx) => {
+    const id = ctx.params.id;
+
+    const link = url.resolve(host, id);
+    const response = await axios.get(link);
+    const $ = cheerio.load(response.data);
+
+    const title = $('#content h1')
+        .text()
+        .trim();
+    const description = $('div.doulist-about')
+        .text()
+        .trim();
+    const out = $('div.doulist-item')
+        .slice(0, 10)
+        .map(function() {
+            const title = $(this)
+                .find('div.bd.doulist-note div.title a')
+                .text()
+                .trim();
+            const link = $(this)
+                .find('div.bd.doulist-note div.title a')
+                .attr('href');
+            const date = $(this)
+                .find('div.ft div.actions time span')
+                .attr('title');
+
+            const description = $(this)
+                .find('div.bd.doulist-note  div.abstract')
+                .text()
+                .trim();
+            const single = {
+                title: title,
+                link: link,
+                description: description,
+                pubDate: new Date(date).toUTCString(),
+            };
+            return single;
+        })
+        .get();
+
+    ctx.state.data = {
+        title: title,
+        link: link,
+        description: description,
+        item: out,
+    };
+};