feat: add mathpix blog (#6236)

docs/program-update.md

@@ -160,6 +160,10 @@ pageClass: routes
 
 <Route author="nczitzk" example="/manictime/releases" path="/manictime/releases"/>
 
+## Mathpix
+
+<Route author="nczitzk" example="/mathpix/blog" path="/mathpix/blog"/>
+
 ## Microsoft Edge
 
 ### 外接程序更新

lib/router.js

@@ -3512,6 +3512,9 @@ router.get('/uisdc/news', require('./routes/uisdc/news'));
 router.get('/uisdc/zt/:title?', require('./routes/uisdc/zt'));
 router.get('/uisdc/topic/:title?/:sort?', require('./routes/uisdc/topic'));
 
+// Mathpix
+router.get('/mathpix/blog', require('./routes/mathpix/blog'));
+
 // OneNote Gem Add-Ins
 router.get('/onenotegem/release', require('./routes/onenotegem/release'));
 

lib/routes/mathpix/blog.js

@@ -0,0 +1,53 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+
+module.exports = async (ctx) => {
+    const rootUrl = 'https://mathpix.com';
+    const currentUrl = `${rootUrl}/blog`;
+    const response = await got({
+        method: 'get',
+        url: currentUrl,
+    });
+
+    const $ = cheerio.load(response.data);
+
+    const list = $('.articles__text-content a')
+        .slice(0, 10)
+        .map((_, item) => {
+            item = $(item);
+            return {
+                title: item.text(),
+                link: `${rootUrl}${item.attr('href')}`,
+                pubDate: new Date(item.parent().find('.articles__date').text()).toUTCString(),
+            };
+        })
+        .get();
+
+    const items = await Promise.all(
+        list.map(
+            async (item) =>
+                await ctx.cache.tryGet(item.link, async () => {
+                    const detailResponse = await got({
+                        method: 'get',
+                        url: item.link,
+                    });
+                    const content = cheerio.load(detailResponse.data);
+
+                    const titleImage = content('.article__image-area img');
+                    titleImage.attr('src', `${rootUrl}${titleImage.attr('srcset')}`);
+                    titleImage.removeAttr('srcset');
+
+                    item.author = content('.article__titles-wrapper summary').text().replace('By ', '');
+                    item.description = content('.article__image-area').html() + content('.article__content').html();
+
+                    return item;
+                })
+        )
+    );
+
+    ctx.state.data = {
+        title: 'Mathpix Blog',
+        link: currentUrl,
+        item: items,
+    };
+};