feat: 增加对北京邮电大学研究生院通知的支持 (#3122)

docs/university.md

@@ -100,6 +100,10 @@ pageClass: routes
 
 </Route>
 
+### 研究生院通知
+
+<Route author="RicardoMing" example="/bupt/grs" path="/bupt/grs" />
+
 ## 常州大学
 
 ### 教务处

lib/router.js

@@ -1265,6 +1265,7 @@ router.get('/21caijing/channel/:name', require('./routes/21caijing/channel'));
 
 // 北京邮电大学
 router.get('/bupt/yz/:type', require('./routes/universities/bupt/yz'));
+router.get('/bupt/grs', require('./routes/universities/bupt/grs'));
 
 // VOCUS 方格子
 router.get('/vocus/publication/:id', require('./routes/vocus/publication'));

lib/routes/universities/bupt/grs.js

@@ -0,0 +1,71 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+const url = require('url');
+
+const base = 'https://grs.bupt.edu.cn';
+const sourceTimezoneOffset = -8;
+
+module.exports = async (ctx) => {
+    let out = [];
+
+    const fetch = async (pageIndex) => {
+        const pageUrl = url.resolve(base, `/list/list.php?p=16_1_${pageIndex}`);
+        const response = await got({
+            method: 'get',
+            url: pageUrl,
+        });
+
+        const $ = cheerio.load(response.data);
+        const list = $('#news li').get();
+
+        const result = await Promise.all(
+            list.map(async (i) => {
+                const item = $(i);
+                const itemUrl = url.resolve(
+                    base,
+                    $(item)
+                        .find('a')
+                        .attr('href')
+                );
+
+                const cache = await ctx.cache.get(itemUrl);
+                if (cache) {
+                    return Promise.resolve(JSON.parse(cache));
+                }
+
+                const title = $(item)
+                    .find('a')
+                    .attr('title');
+                const itemResponse = await got.get(itemUrl);
+                const itemElement = cheerio.load(itemResponse.data);
+                const description = itemElement('#news #article').html();
+
+                const pageInfo = itemElement('#news #date').text();
+                const regex = /\d{4}-\d{2}-\d{2}/;
+                const regRes = regex.exec(pageInfo);
+                const time = regRes === null ? new Date() : new Date(regRes[0]);
+                time.setTime(time.getTime() + (sourceTimezoneOffset - time.getTimezoneOffset() / 60) * 60 * 60 * 1000);
+
+                const single = {
+                    title: title,
+                    description: description,
+                    pubDate: time.toUTCString(),
+                    link: itemUrl,
+                    guid: itemUrl,
+                };
+
+                ctx.cache.set(itemUrl, JSON.stringify(single));
+                return Promise.resolve(single);
+            })
+        );
+        out = out.concat(result);
+    };
+
+    await Promise.all([1, 2].map(async (value) => await fetch(value)));
+
+    ctx.state.data = {
+        title: '北京邮电大学研究生院',
+        link: 'https://grs.bupt.edu.cn/list/list.php?p=16_1_1',
+        item: out,
+    };
+};