add MIT Grad Blog (#2017)

docs/university.md

@@ -708,3 +708,11 @@ https://rsshub.app/**nuist**/`bulletin` 或 https://rsshub.app/**nuist**/`bullet
 ## 广东海洋大学
 
 <Route name="广东海洋大学" author="Xiaotouming" example="/gdoujwc" path="/gdoujwc"/>
+
+## MIT
+
+<Route name="MIT graduateadmissions's all blogs" author="LogicJake" example="/mit/graduateadmissions/index/all" path="/universities/mit/graduateadmissions/index/all"/>
+
+<Route name="MIT graduateadmissions's blogs by department" author="LogicJake" example="/mit/graduateadmissions/department/eecs" path="/universities/mit/graduateadmissions/department/:name" :paramsDesc="['department name which can be found in url']"/>
+
+<Route name="MIT graduateadmissions's blogs by category" author="LogicJake" example="/mit/graduateadmissions/category/beyond-the-lab" path="/universities/mit/graduateadmissions/category/:name" :paramsDesc="['category name which can be found in url']"/>

lib/router.js

@@ -1290,6 +1290,9 @@ router.get('/mlhang', require('./routes/mlhang/latest'));
 // PlayStation Store
 router.get('/ps/list/:gridName', require('./routes/ps/list'));
 
+// MIT
+router.get('/mit/graduateadmissions/:type/:name', require('./routes/universities/mit/graduateadmissions'));
+
 // 毕马威
 router.get('/kpmg/insights', require('./routes/kpmg/insights'));
 

lib/routes/universities/mit/graduateadmissions.js

@@ -0,0 +1,65 @@
+const axios = require('../../../utils/axios');
+const cheerio = require('cheerio');
+
+const host = 'https://gradadmissions.mit.edu';
+
+module.exports = async (ctx) => {
+    const type = ctx.params.type;
+    const name = ctx.params.name;
+
+    let link = host + '';
+    switch (type) {
+        case 'index':
+            link = host + '/blog';
+            break;
+        case 'category':
+            link = host + `/blog/browse/category/${name}`;
+            break;
+        case 'department':
+            link = host + `/blog/browse/department/${name}`;
+            break;
+    }
+    const response = await axios.get(link);
+    const $ = cheerio.load(response.data);
+
+    const title = $('#page-title').text();
+    const list = $('div.views-row');
+    const out = await Promise.all(
+        list
+            .slice(0, 10)
+            .map(async (_, elem) => {
+                const $elem = $(elem);
+
+                const title = $elem.find('h3.item-title a').text() + '-' + $elem.find('h4.item-subtitle').text();
+                const itemUrl = host + $elem.find('h3.item-title a').attr('href');
+                const author = $elem.find('div.item-info a').text();
+
+                const cache = await ctx.cache.get(itemUrl);
+                if (cache) {
+                    return Promise.resolve(JSON.parse(cache));
+                }
+
+                const response = await axios.get(itemUrl);
+                const $$ = cheerio.load(response.data);
+                const description = $$('div.field-name-body div.field-items')
+                    .html()
+                    .replace(/src="/g, `src="${host}`);
+
+                const single = {
+                    title: title,
+                    link: itemUrl,
+                    author: author,
+                    description: description,
+                };
+                ctx.cache.set(itemUrl, JSON.stringify(single), 24 * 60 * 60);
+                return Promise.resolve(single);
+            })
+            .get()
+    );
+
+    ctx.state.data = {
+        title: `${title}-MIT`,
+        link: link,
+        item: out,
+    };
+};