Add github contributors

done: "New" contributors, ordered by commit number ascended
todo: Optional "top" contributors

assets/radar-rules.js

@@ -227,6 +227,12 @@
                 source: '/:user',
                 target: '/github/starred_repos/:user',
             },
+            {
+                title: '仓库 Contributors',
+                docs: 'https://docs.rsshub.app/programming.html#github',
+                source: ['/:user/:repo/graphs/contributors', '/:user/:repo'],
+                target: '/github/contributors/:user/:repo',
+            },
         ],
     },
     'zhihu.com': {

docs/en/programming.md

@@ -77,6 +77,10 @@ GitHub provides some official RSS feeds:
 
 <RouteEn author="LanceZhu" example="/github/starred_repos/DIYgod" path="/github/starred_repos/:user" :paramsDesc="['User name']" radar="1"/>
 
+### Repo Contributors
+
+<RouteEn author="zoenglinghou" example="/github/contributors/DIYgod/RSSHub" path="/github/contributors/:user/:repo/:anon?" :paramsDesc="['User name', 'Repo name', 'If anonymous users are included. Leave blank for no, use any values for yes.']" radar="1"/>
+
 ## GitLab
 
 ### Explore

docs/programming.md

@@ -127,6 +127,10 @@ GitHub 官方也提供了一些 RSS:
 
 <Route author="LanceZhu" example="/github/starred_repos/DIYgod" path="/github/starred_repos/:user" :paramsDesc="['用户名']" radar="1"/>
 
+### 仓库 Contirbutors
+
+<Route author="zoenglinghou" example="/github/contributors/DIYgod/RSSHub" path="/github/contributors/:user/:repo/:anon?" :paramsDesc="['用户名', '仓库名', '是否包括匿名用户。留空默认不包含，任意值包含匿名用户']" radar="1"/>
+
 ## GitLab
 
 ### Explore

lib/router.js

@@ -275,6 +275,8 @@ router.get('/github/search/:query/:sort?/:order?', require('./routes/github/sear
 router.get('/github/branches/:user/:repo', require('./routes/github/branches'));
 router.get('/github/file/:user/:repo/:branch/:filepath+', require('./routes/github/file'));
 router.get('/github/starred_repos/:user', require('./routes/github/starred_repos'));
+router.get('/github/contributors/:user/:repo/:anon?', require('./routes/github/contributors'));
+
 // f-droid
 router.get('/fdroid/apprelease/:app', require('./routes/fdroid/apprelease'));
 

lib/routes/github/contributors.js

@@ -0,0 +1,85 @@
+const got = require('@/utils/got');
+const config = require('@/config').value;
+
+module.exports = async (ctx) => {
+    const user = ctx.params.user;
+    const repo = ctx.params.repo;
+    const anon = ctx.params.anon;
+
+    const host = `https://github.com/${user}/${repo}`;
+    const url = `https://api.github.com/repos/${user}/${repo}/contributors?` + (anon ? 'anon=1' : '');
+
+    const headers = {};
+    if (config.github && config.github.access_token) {
+        headers.Authorization = `token ${config.github.access_token}`;
+    }
+
+    const response = await got({
+        method: 'get',
+        url,
+        headers,
+    });
+    let data = response.data;
+
+    try {
+        const last_page_link = response.headers.link.split(',').find(function(elem) {
+            return elem.includes('"last"');
+        });
+        const url_base = last_page_link.match(/<(.*)page=\d*/)[1];
+        const page_count = Number(last_page_link.match(/page=(\d*)/)[1]);
+
+        for (let page = 2; page <= page_count; page++) {
+            // eslint-disable-next-line no-await-in-loop
+            const response = await got({
+                method: 'get',
+                url: `${url_base}page=${page}`,
+                headers,
+            });
+            data = data.concat(response.data);
+        }
+    } catch (err) {
+        if (!(err instanceof TypeError)) {
+            throw err;
+        }
+    }
+
+    let title;
+    let description;
+    let link;
+    let guid;
+
+    const items = [];
+    let index = 0;
+
+    data.forEach(function(item) {
+        const time = new Date();
+        time.setMinutes(time.getMinutes() - data.length + index);
+        index++;
+
+        if (item.type === 'Anonymous') {
+            title = `Contributor: ${item.name}`;
+            description = `<p>Anonymous contributor</p><p>Name: ${item.name}</p><p>E-mail: ${item.email}</p><p>Contributions: ${item.contributions}</p>`;
+            link = '';
+            guid = `anon-${item.name}`;
+        } else {
+            title = `Contributor: ${item.login}`;
+            description = `<img src="${item.avatar_url}"></img><p><a href="${item.html_url}">${item.login}</a></p><p>Contributions: ${item.contributions}</p>`;
+            link = item.html_url;
+            guid = item.id;
+        }
+
+        items.push({
+            title: title,
+            description: description,
+            guid: guid,
+            link: link,
+            pubDate: time,
+        });
+    }),
+        (ctx.state.data = {
+            title: `${user}/${repo} Contributors`,
+            link: `${host}/graphs/contributors`,
+            description: `New contributors for ${user}/${repo}`,
+            item: items,
+        });
+};