feat: add IT之家热榜 (#4180)

docs/new-media.md

@@ -121,6 +121,16 @@ pageClass: routes
 
 </Route>
 
+### 热榜
+
+<Route author="immmortal" example="/ithome/ranking/1" path="/ithome/ranking/:type" :paramsDesc="['类别']">
+
+| 1             | 2    | 3        | 4    |
+| ------------- | ---- | -------- | ---- |
+| 24 小时阅读榜 | 周榜 | 7 天热评 | 月榜 |
+
+</Route>
+
 ## IT 桔子
 
 ### 投融资事件

lib/router.js

@@ -2105,8 +2105,9 @@ router.get('/nyaa/search/:query?', require('./routes/nyaa/search'));
 // 片源网
 router.get('/pianyuan/:media?', require('./routes/pianyuan/app'));
 
-// IT home
+// ITHome
 router.get('/ithome/:caty', require('./routes/ithome/index'));
+router.get('/ithome/ranking/:type?', require('./routes/ithome/ranking'));
 
 // 巴哈姆特
 router.get('/bahamut/creation/:author/:category?', require('./routes/bahamut/creation'));

lib/routes/ithome/ranking.js

@@ -0,0 +1,70 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+
+module.exports = async (ctx) => {
+    const option = ctx.params.type || '1';
+    const link = `https://www.ithome.com/`;
+
+    const response = await got.get(link);
+    const $ = cheerio.load(response.data);
+
+    const config = {
+        1: '24小时阅读榜',
+        2: '周榜',
+        3: '7天热评',
+        4: '月榜',
+    };
+
+    const title = config[option];
+
+    let elem = $('.lst.lst-2.hot-list')
+        .find('.bx')
+        .first();
+    for (let i = 0; i < Number(option) - 1; ++i) {
+        elem = elem.next();
+    }
+    const list = elem
+        .find('li')
+        .map(function() {
+            const info = {
+                title: $(this)
+                    .find('a')
+                    .text(),
+                link: $(this)
+                    .find('a')
+                    .attr('href'),
+            };
+            return info;
+        })
+        .get();
+
+    const items = await Promise.all(
+        list.map(
+            async (item) =>
+                await ctx.cache.tryGet(item.link, async () => {
+                    const res = await got({
+                        method: 'get',
+                        url: item.link,
+                    });
+                    const content = cheerio.load(res.data);
+                    const post = content('div#con div.content');
+                    const paragraph = post.find('div#paragraph');
+                    paragraph.find('img[data-original]').each((_, ele) => {
+                        ele = $(ele);
+                        ele.attr('src', ele.attr('data-original'));
+                        ele.removeAttr('class');
+                        ele.removeAttr('data-original');
+                    });
+                    item.description = paragraph.html();
+                    item.pubDate = new Date(post.find('span#pubtime_baidu').text() + ' GMT+8').toUTCString();
+                    return item;
+                })
+        )
+    );
+
+    ctx.state.data = {
+        title: `IT之家-${title}`,
+        link: link,
+        item: items,
+    };
+};