添加豆瓣小组 (DIYgod#306)

* feat:添加豆瓣小组

* fix: add author & create time in douban topic

* fix: topic create time

* fix: add br

* fix: image error

* fix: add default image src

* feat: add douban group readme

* fix: fix get douban group image error

* fix: get douban image error

* feat: decrease topic count

README.md

@@ -78,6 +78,7 @@ RSSHub 是一个轻量、易于扩展的 RSS 生成器，可以给任何奇奇
     -   正在上映的高分电影
     -   即将上映的电影
     -   北美票房榜
+    -   小组
 -   煎蛋
     -   无聊图
 -   喷嚏

docs/README.md

@@ -689,6 +689,15 @@ city: 城市的中文名，可选，默认北京
 
 参数: 无
 
+### 豆瓣小组
+
+举例: [https://rsshub.app/douban/group/camera](https://rsshub.app/douban/group/camera)
+
+路由: `/douban/group/:groupid`
+
+参数:
+groupid: 豆瓣小组的 id
+
 ## 煎蛋
 
 ### 无聊图

router.js

@@ -164,6 +164,7 @@ router.get('/douban/movie/playing/:score', require('./routes/douban/playing'));
 router.get('/douban/movie/playing/:score/:city', require('./routes/douban/playing'));
 router.get('/douban/movie/later', require('./routes/douban/later'));
 router.get('/douban/movie/ustop', require('./routes/douban/ustop'));
+router.get('/douban/group/:groupid', require('./routes/douban/group'));
 
 // 煎蛋
 router.get('/jandan/pic', require('./routes/jandan/pic'));

routes/douban/group.js

@@ -0,0 +1,52 @@
+const axios = require('axios');
+
+module.exports = async (ctx) => {
+    const groupid = ctx.params.groupid;
+
+    const response = await axios({
+        method: 'get',
+        url: `https://api.douban.com/v2/group/${groupid}/topics?start=0&count=10`,
+    });
+
+    const topics = response.data.topics;
+
+    // 替换图片到内容中
+    topics.map((topic) => {
+        const { photos = [] } = topic;
+        let { content } = topic;
+
+        content = content.replace(/ /g, '<br>');
+        topic.content = content.replace(/<图片(\d*)>/g, function() {
+            try {
+                const photo = photos.filter((p) => p.seq_id === arguments[1]);
+
+                if (photo.length > 0) {
+                    const src = photo[0].alt;
+                    return `<img referrerpolicy="no-referrer" src='${src}'/><br>`;
+                } else {
+                    return '';
+                }
+            } catch (ex) {
+                console.log(arguments);
+                console.log(photos);
+                console.log(ex);
+                return '';
+            }
+        });
+        return topic;
+    });
+
+    ctx.state.data = {
+        title: `豆瓣小组-${groupid}`,
+        link: `https://www.douban.com/group/${groupid}/`,
+        item: topics.map((topic) => ({
+            title: `${topic.title} from ${topic.author.name}`,
+            description: `<a href="${topic.author.alt}"><img src='${topic.author.avatar}'/></a><br>
+            作者：<a href="${topic.author.alt}">${topic.author.name}</a><br>
+            发表时间: ${topic.created}<br>
+            最后更新: ${topic.updated}<br><br>
+            ${topic.content}`,
+            link: topic.share_url,
+        })),
+    };
+};