fix(route): github pull requests (#9341)

* fix(route): github pull

* fix: typo

docs/en/programming.md

@@ -141,7 +141,7 @@ For instance, the `/github/topics/framework/l=php&o=desc&s=stars` route will gen
 
 ### Repo Pull Requests
 
-<RouteEn author="hashman" example="/github/pull/DIYgod/RSSHub" path="/github/pull/:user/:repo" :paramsDesc="['User name', 'Repo name']" radar="1" rssbud="1"/>
+<RouteEn author="hashman TonyRL" example="/github/pull/DIYgod/RSSHub" path="/github/pull/:user/:repo/:state?" :paramsDesc="['User name', 'Repo name', 'the state of pull requests. Can be either `open`, `closed`, or `all`. Default: `open`.']" radar="1" rssbud="1"/>
 
 ### User Followers
 

docs/programming.md

@@ -219,7 +219,7 @@ GitHub 官方也提供了一些 RSS:
 
 ### 仓库 Pull Requests
 
-<Route author="hashman" example="/github/pull/DIYgod/RSSHub" path="/github/pull/:user/:repo" :paramsDesc="['用户名', '仓库名']" radar="1" rssbud="1"/>
+<Route author="hashman" example="/github/pull/DIYgod/RSSHub" path="/github/pull/:user/:repo/:state?" :paramsDesc="['用户名', '仓库名', 'pull request 状态，`open`,`closed`或`all`，默认为`open`']" radar="1" rssbud="1"/>
 
 ### 用户 Followers
 

lib/v2/github/maintainer.js

@@ -4,7 +4,7 @@ module.exports = {
     '/contributors/:user/:repo/:order?/:anon?': ['zoenglinghou'],
     '/file/:user/:repo/:branch/:filepath+': ['zengxs'],
     '/issue/:user/:repo/:state?/:labels?': ['HenryQW', 'AndreyMZ'],
-    '/pull/:user/:repo': ['hashman'],
+    '/pull/:user/:repo/:state?': ['hashman', 'TonyRL'],
     '/repos/:user': ['DIYgod'],
     '/search/:query/:sort?/:order?': ['LogicJake'],
     '/starred_repos/:user': ['LanceZhu'],

lib/v2/github/pulls.js

@@ -5,13 +5,14 @@ const md = require('markdown-it')({
     linkify: true,
 });
 const queryString = require('query-string');
+const { parseDate } = require('@/utils/parse-date');
 
 module.exports = async (ctx) => {
     const user = ctx.params.user;
     const repo = ctx.params.repo;
+    const state = ctx.params.state ?? 'open';
 
     const host = `https://github.com/${user}/${repo}/pulls`;
-    const link = `https://github.com/${user}/${repo}/pull`;
     const url = `https://api.github.com/repos/${user}/${repo}/pulls`;
 
     const headers = {};
@@ -22,7 +23,10 @@ module.exports = async (ctx) => {
         method: 'get',
         url,
         searchParams: queryString.stringify({
+            state,
             sort: 'created',
+            direction: 'desc',
+            per_page: ctx.query.limit ? (parseInt(ctx.query.limit) <= 100 ? parseInt(ctx.query.limit) : 100) : 100,
         }),
         headers,
     });
@@ -36,8 +40,8 @@ module.exports = async (ctx) => {
             title: item.title,
             author: item.user.login,
             description: item.body ? md.render(item.body) : 'No description',
-            pubDate: new Date(item.created_at).toUTCString(),
-            link: `${link}/${item.number}`,
+            pubDate: parseDate(item.created_at),
+            link: item.html_url,
         })),
     };
 };

lib/v2/github/router.js

@@ -4,7 +4,7 @@ module.exports = function (router) {
     router.get('/contributors/:user/:repo/:order?/:anon?', require('./contributors'));
     router.get('/file/:user/:repo/:branch/:filepath+', require('./file'));
     router.get('/issue/:user/:repo/:state?/:labels?', require('./issue'));
-    router.get('/pull/:user/:repo', require('./pulls'));
+    router.get('/pull/:user/:repo/:state?', require('./pulls'));
     router.get('/repos/:user', require('./repos'));
     router.get('/search/:query/:sort?/:order?', require('./search'));
     router.get('/starred_repos/:user', require('./starred_repos'));