rss: add github trending

docs/README.md

@@ -994,3 +994,39 @@ key: 产品密钥
 -   过去一周:[https://rsshub.app/yande.re/post/popular_recent/1w](https://rsshub.app/yande.re/post/popular_recent/1w)
 -   过去一月:[https://rsshub.app/yande.re/post/popular_recent/1m](https://rsshub.app/yande.re/post/popular_recent/1m)
 -   过去一年:[https://rsshub.app/yande.re/post/popular_recent/1y](https://rsshub.app/yande.re/post/popular_recent?period=1y)
+
+## GitHub
+
+::: tip 提示
+
+GitHub 官方也提供了一些 RSS:
+
+-   仓库 releases: https://github.com/:owner/:repo/releases.atom
+-   仓库 commits: https://github.com/:owner/:repo/commits.atom
+-   用户动态: https://github.com/:user.atom
+
+:::
+
+### 用户仓库
+
+举例: [https://rsshub.app/github/repos/DIYgod](https://rsshub.app/github/repos/DIYgod)
+
+路由: `/github/repos/:user`
+
+参数: user，用户名
+
+### Trending
+
+举例:
+
+[https://rsshub.app/github/trending/daily](https://rsshub.app/github/trending/daily)
+
+[https://rsshub.app/github/trending/daily/javascript](https://rsshub.app/github/trending/daily/javascript)
+
+路由: `/github/trending/:since/:language?`
+
+参数:
+
+since，时间跨度，可在 [Trending 页](https://github.com/trending/javascript?since=monthly) URL 中找到，可选 daily weekly monthly
+
+language，语言，可在 [Trending 页](https://github.com/trending/javascript?since=monthly) URL 中找到

router.js

@@ -240,8 +240,9 @@ router.get('/readhub/category/:category', require('./routes/readhub/category'));
 if (config.github && config.github.access_token) {
     router.get('/github/repos/:user', require('./routes/github/repos'));
 } else {
-    logger.warn('GitHub RSS is disabled for lacking config.');
+    logger.warn('GitHub Repos RSS is disabled for lacking config.');
 }
+router.get('/github/trending/:since/:language?', require('./routes/github/trending'));
 
 // konachan
 router.get('/konachan/post', require('./routes/konachan/post'));

routes/github/repos.js

@@ -3,34 +3,29 @@ const config = require('../../config');
 
 module.exports = async (ctx) => {
     const user = ctx.params.user;
-    const uri = `https://api.github.com/users/${user}/repos` + `?access_token=${config.github.access_token}`;
 
     const response = await axios({
         method: 'get',
-        url: uri,
+        url: `https://api.github.com/users/${user}/repos`,
         headers: {
             'User-Agent': config.ua,
-            Referer: uri,
+        },
+        params: {
+            sort: 'created',
+            access_token: config.github.access_token,
         },
     });
     const data = response.data;
     ctx.state.data = {
-        title: `GitHub Repos By ${user}`,
-        link: uri,
-        description: `GitHub Repos By ${user}`,
+        title: `${user}'s GitHub repositories`,
+        link: `https://github.com/${user}`,
         item:
             data &&
-            data.map((item) => {
-                let repoDescription = item.description;
-                if (repoDescription === null) {
-                    repoDescription = 'No description added';
-                }
-                return {
-                    title: `${item.name}`,
-                    guid: `${item.id}`,
-                    description: `${repoDescription}`,
-                    link: `${item.url}`,
-                };
-            }),
+            data.map((item) => ({
+                title: item.name,
+                description: item.description || 'No description',
+                pubDate: new Date(item.created_at).toUTCString(),
+                link: item.html_url,
+            })),
     };
 };

routes/github/trending.js

@@ -0,0 +1,49 @@
+const axios = require('../../utils/axios');
+const cheerio = require('cheerio');
+const config = require('../../config');
+
+module.exports = async (ctx) => {
+    const since = ctx.params.since;
+    const language = ctx.params.language || '';
+    const url = `https://github.com/trending/${language}?since=${since}`;
+
+    const response = await axios({
+        method: 'get',
+        url: url,
+        headers: {
+            'User-Agent': config.ua,
+            Referer: url,
+        },
+    });
+
+    const data = response.data;
+
+    const $ = cheerio.load(data);
+    const list = $('.repo-list li');
+
+    ctx.state.data = {
+        title: $('title').text(),
+        link: url,
+        item:
+            list &&
+            list
+                .map((index, item) => {
+                    item = $(item);
+                    return {
+                        title: item.find('h3').text(),
+                        description: `${item.find('.py-1').text()}<br>
+                            <br>Language: ${item.find('span[itemprop="programmingLanguage"]').text() || 'unknown'}
+                            <br>Star: ${item
+                                .find('.muted-link')
+                                .eq(0)
+                                .text()}
+                            <br>Fork: ${item
+                                .find('.muted-link')
+                                .eq(1)
+                                .text()}`,
+                        link: `https://github.com${item.find('h3 a').attr('href')}`,
+                    };
+                })
+                .get(),
+    };
+};