增加：豆瓣热门图书排行 (#1016)

docs/README.md

@@ -468,6 +468,14 @@ RSSHub 提供下列 API 接口:
 
 <route name="豆瓣书店" author="xyqfer" example="/douban/bookstore" path="/douban/bookstore"/>
 
+<route name="热门图书排行" author="xyqfer" example="/douban/book/rank/fiction" path="/douban/book/rank/:type" :paramsDesc="['图书类型']">
+
+| 虚构    | 非虚构     |
+| ------- | ---------- |
+| fiction | nonfiction |
+
+</route>
+
 ### Disqus
 
 <route name="评论" author="DIYgod" example="/disqus/posts/diygod-me" path="/disqus/posts/:forum" :paramsDesc="['网站的 disqus name']"/>

router.js

@@ -196,6 +196,7 @@ router.get('/douban/book/latest', require('./routes/douban/latest_book'));
 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'));
 
 // 煎蛋
 router.get('/jandan/:sub_model', require('./routes/jandan/pic'));

routes/douban/book/rank.js

@@ -0,0 +1,31 @@
+const axios = require('../../../utils/axios');
+
+module.exports = async (ctx) => {
+    const { type = 'fiction' } = ctx.params;
+    const referer = `https://m.douban.com/subject_collection/book_${type}_hot_weekly`;
+
+    const response = await axios({
+        method: 'get',
+        url: `https://m.douban.com/rexxar/api/v2/subject_collection/book_${type}_hot_weekly/items?start=0&count=10`,
+        headers: {
+            Referer: referer,
+        },
+    });
+
+    ctx.state.data = {
+        title: `豆瓣热门图书-${type === 'fiction' ? '虚构类' : '非虚构类'}`,
+        link: referer,
+        description: '每周一更新',
+        item: response.data.subject_collection_items.map(({ title, url, cover, info, rating }) => {
+            const description = `<img referrerpolicy="no-referrer" src="${cover.url}"><br>
+              ${title}/${info}/${rating.value.toFixed(1)}分
+            `;
+
+            return {
+                title: `${title}-${info}`,
+                description,
+                link: url,
+            };
+        }),
+    };
+};