fix: update sysu/sdcs router, fix #2905 (#2906)

docs/university.md

@@ -1009,4 +1009,4 @@ https://rsshub.app/**nuist**/`bulletin` 或 https://rsshub.app/**nuist**/`bullet
 
 ### 数据科学与计算机学院动态
 
-<Route author="MegrezZhu" example="/sysu/sdcs" path="/sysu/sdcs" />
+<Route author="Neutrino3316 MegrezZhu" example="/sysu/sdcs" path="/sysu/sdcs" />

lib/routes/universities/sysu/sdcs.js

@@ -1,56 +1,104 @@
 const got = require('@/utils/got');
-const { load } = require('cheerio');
-const { resolve } = require('url');
-
-const base = 'http://sdcs.sysu.edu.cn/';
+const cheerio = require('cheerio');
 
 module.exports = async (ctx) => {
-    const { data } = await got.get('http://sdcs.sysu.edu.cn/');
-    const $ = load(data);
-
-    const urls = $('.view-content li > a')
-        .slice(0, 10)
-        .map((_, ele) => $(ele).attr('href'))
-        .toArray()
-        .map((path) => path.match(/\/content\/(\d+)/)[1]) // extract article-id
-        .sort()
-        .reverse() // sort by article-id (or to say, date), latest first
-        .map((aid) => resolve(base, `/content/${aid}`));
-
-    ctx.state.data = {
-        title: '中山大学 - 数据科学与计算机学院',
-        link: 'http://sdcs.sysu.edu.cn/',
-        description: '中山大学 - 数据科学与计算机学院',
-        item: await getDetails(ctx.cache, urls),
-    };
-};
+    const response = await got({
+        method: 'get',
+        url: 'http://sdcs.sysu.edu.cn/',
+        headers: {
+            Referer: `http://sdcs.sysu.edu.cn/`,
+        },
+    });
+    const $ = cheerio.load(response.data);
 
-const getDetails = (cache, urls) => Promise.all(urls.map((url) => cache.tryGet(url, () => getDetail(url))));
+    // 首页有多个板块，每个板块的css选择器不同，而且每个板块的信息分类也不一样
+    const block_index = [
+        {
+            index: 1,
+            description_header: '学院新闻',
+        },
+        {
+            index: 2,
+            description_header: '学院通知',
+        },
+        {
+            index: 3,
+            description_header: '人才招聘',
+        },
+        {
+            index: 4,
+            description_header: '学术活动',
+        },
+        {
+            index: 5,
+            description_header: '学工通知',
+        },
+        {
+            index: 6,
+            description_header: '学生活动',
+        },
+        {
+            index: 7,
+            description_header: '教务通知',
+        },
+        {
+            index: 8,
+            description_header: '科研通知',
+        },
+        {
+            index: 9,
+            description_header: '人事通知',
+        },
+        {
+            index: 10,
+            description_header: '党群工作',
+        },
+        {
+            index: 11,
+            description_header: '校友工作',
+        },
+        {
+            index: 12,
+            description_header: '社会工作',
+        },
+    ];
 
-const timezone = 8;
-const serverOffset = new Date().getTimezoneOffset() / 60;
-const shiftTimezone = (date) => new Date(date.getTime() - 60 * 60 * 1000 * (timezone + serverOffset)).toUTCString();
+    function getDetail(item, description_header) {
+        return {
+            title: description_header + ': ' + item.attribs.title,
+            description: description_header + ': ' + item.attribs.title,
+            link: item.attribs.href,
+            category: description_header,
+        };
+    }
 
-const getDetail = async (url) => {
-    const { data } = await got.get(url);
-    const $ = load(data);
+    const item_data = [];
+    for (let i = 0; i < block_index.length; i++) {
+        const block_news = $('#block-views-homepage-block-' + block_index[i].index + '> div > div.view-content > div > ul > li > a');
+        for (let j = 0; j < block_news.length; j++) {
+            console.log(block_news[j]);
+            item_data.push(getDetail(block_news[j], block_index[i].description_header));
+        }
+    }
 
-    // transforming images
-    $('.content img').each((_, ele) => {
-        $(ele).attr('referrerpolicy', 'no-referrer');
-        $(ele).attr('src', resolve(base, $(ele).attr('src')));
-    });
+    function compareLink(a, b) {
+        let a_str = a.link;
+        a_str = a_str.substr(a_str.length - 4, 4);
+        const a_int = parseInt(a_str);
+        let b_str = b.link;
+        b_str = b_str.substr(b_str.length - 4, 4);
+        const b_int = parseInt(b_str);
+        return b_int - a_int;
+    }
+    // 使得新的通知排在前面，假设通知的发布和链接地址是相关的，而且链接地址都是"/content/4961"这样，只有四位数的。
+    item_data.sort(compareLink);
+    // console.log(item_data);
 
-    return {
-        title: $('section > h1').text(),
-        description: $('.content').html(),
-        link: url,
-        pubDate: shiftTimezone(
-            new Date(
-                $('.submitted-by')
-                    .text()
-                    .match(/(\d+\/\d+\/\d+)/)[1]
-            )
-        ),
+    ctx.state.data = {
+        title: `中山大学 - 数据科学与计算机学院`,
+        link: `http://sdcs.sysu.edu.cn`,
+        description: `中山大学 - 数据科学与计算机学院`,
+        language: `zh-cn`,
+        item: item_data,
     };
 };