feat: add 西安交通大学教务处 (#4085)

docs/university.md

@@ -1076,6 +1076,24 @@ https://rsshub.app/**nuist**/`bulletin` 或 https://rsshub.app/**nuist**/`bullet
 
 </Route>
 
+## 西安交通大学
+
+### 教务处
+
+<Route author="hoilc" example="/xjtu/dean/jxxx/xytz/ksap" path="/xjtu/dean/:subpath+" :paramsDesc="['栏目路径, 支持多级, 不包括末尾的`.htm`']">
+
+::: tip 提示
+
+支持`http://dean.xjtu.edu.cn/`下所有**有文章列表**的栏目,
+
+例如`http://dean.xjtu.edu.cn/gzlc.htm`, 则`subpath`为`gzlc`
+
+又例`http://dean.xjtu.edu.cn/jxxx/xytz.htm`, 则`subpath`为`jxxx/xytz`
+
+:::
+
+</Route>
+
 ## 西南财经大学
 
 ### 经济信息工程学院

lib/router.js

@@ -2307,4 +2307,7 @@ router.get('/magireco/event_banner', require('./routes/magireco/event_banner'));
 // wolley
 router.get('/wolley', require('./routes/wolley/index'));
 
+// 西安交大
+router.get('/xjtu/dean/:subpath+', require('./routes/universities/xjtu/dean'));
+
 module.exports = router;

lib/routes/universities/xjtu/dean.js

@@ -0,0 +1,91 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+
+module.exports = async (ctx) => {
+    const subpath = ctx.params.subpath;
+
+    const url = `http://dean.xjtu.edu.cn/${subpath.replace(/\.htm/g, '')}.htm`;
+    const base = url
+        .split('/')
+        .slice(0, -1)
+        .join('/');
+
+    const list_response = await got.get(url);
+    const $ = cheerio.load(list_response.data);
+
+    const subname = $('em.ma-nav a')
+        .slice(1)
+        .map(function() {
+            return $(this).text();
+        })
+        .get()
+        .join(' - ');
+
+    const list = $('.list_main_content > .list-li').get();
+
+    const parseContent = async (htmlString) => {
+        const $ = cheerio.load(htmlString);
+
+        const info = $('.detail_main_content > h1')
+            .contents()
+            .filter(function() {
+                return this.nodeType === 3;
+            })
+            .map(function() {
+                return $(this)
+                    .text()
+                    .trim();
+            })
+            .get();
+
+        const content = $('[id^="vsb_content"]');
+        $('form > div > ul a').each(function() {
+            $(this).appendTo(content);
+            $('<br>').appendTo(content);
+        });
+
+        return {
+            author: info[0] || '教务处',
+            description: content.html(),
+            pubDate: new Date(info[1]),
+        };
+    };
+
+    const out = await Promise.all(
+        list.map(async (item) => {
+            const $ = cheerio.load(item);
+
+            const title = $('a');
+            const link = new URL(title.attr('href'), base);
+
+            const cache = await ctx.cache.get(link);
+            if (cache) {
+                return Promise.resolve(JSON.parse(cache));
+            }
+
+            const rssitem = {
+                title: title.text().trim(),
+                link: link,
+            };
+
+            try {
+                const response = await got.get(link);
+                const result = await parseContent(response.data);
+
+                rssitem.description = result.description;
+                rssitem.author = result.author;
+                rssitem.pubDate = result.pubDate;
+            } catch (err) {
+                return Promise.resolve('');
+            }
+            ctx.cache.set(link, JSON.stringify(rssitem));
+            return Promise.resolve(rssitem);
+        })
+    );
+
+    ctx.state.data = {
+        title: `西安交大教务处 - ${subname}`,
+        link: url,
+        item: out.filter((item) => item !== ''),
+    };
+};