feat: add重庆大学新闻网-学术预告 (#2617)

docs/university.md

@@ -923,6 +923,10 @@ https://rsshub.app/**nuist**/`bulletin` 或 https://rsshub.app/**nuist**/`bullet
 
 <Route author="El-Chiang" example="/cqu/jwc/announcement" path="/universities/cqu/jwc/announcement"/>
 
+### 新闻网讲座预告
+
+<Route author="nicolaszf" example="/cqu/news/jzyg" path="/universities/cqu/news/jzyg"/>
+
 ## 重庆科技学院
 
 ### 教务处公告

lib/router.js

@@ -590,6 +590,7 @@ router.get('/heu/ugs/news/:author?/:category?', require('./routes/universities/h
 
 // 重庆大学
 router.get('/cqu/jwc/announcement', require('./routes/universities/cqu/jwc/announcement'));
+router.get('/cqu/news/jzyg', require('./routes/universities/cqu/news/jzyg'));
 
 // 南京信息工程大学
 router.get('/nuist/bulletin/:category?', require('./routes/universities/nuist/bulletin'));

lib/routes/universities/cqu/news/jzyg.js

@@ -0,0 +1,23 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+const util = require('./utils');
+
+module.exports = async (ctx) => {
+    const response = await got({
+        method: 'get',
+        url: 'http://news.cqu.edu.cn/newsv2/info-24.html',
+    });
+
+    const data = response.data;
+    const $ = cheerio.load(data);
+    const list = $('.item').get();
+
+    const result = await util.ProcessFeed(list, ctx.cache);
+
+    ctx.state.data = {
+        title: '重庆大学新闻网-讲座预告',
+        link: 'http://news.cqu.edu.cn/newsv2/info-24.html',
+        description: '重庆大学新闻网-讲座预告',
+        item: result,
+    };
+};

lib/routes/universities/cqu/news/utils.js

@@ -0,0 +1,48 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+
+// 加载文章页
+async function load(link) {
+    const response = await got.get(link);
+    const $ = cheerio.load(response.data);
+
+    // 提取内容
+    const description = $('.dinfo').html() + $('.acontent').html();
+
+    return { description };
+}
+
+const ProcessFeed = async (list, caches) =>
+    await Promise.all(
+        list.map(async (item) => {
+            const $ = cheerio.load(item);
+
+            const $title1 = $('.title a').eq(0);
+            const $title2 = $('.title a').eq(1);
+            let itemUrl = $title2.attr('href');
+            let title = $title1.text() + ' - ' + $title2.text();
+
+            if (typeof itemUrl === 'undefined') {
+                itemUrl = $title1.attr('href');
+                title = $title1.text();
+            }
+
+            // 列表上提取到的信息
+            const single = {
+                title: title,
+                link: itemUrl,
+                guid: itemUrl,
+            };
+
+            // 使用tryGet方法从缓存获取内容。
+            // 当缓存中无法获取到链接内容的时候，则使用load方法加载文章内容。
+            const other = await caches.tryGet(itemUrl, async () => await load(itemUrl));
+
+            // 合并解析后的结果集作为该篇文章最终的输出结果
+            return Promise.resolve(Object.assign({}, single, other));
+        })
+    );
+
+module.exports = {
+    ProcessFeed,
+};