feat: add Jandan articles (#6774)

* jandan: new route article

* jandan: add docs

* [CodeFactor] Apply fixes

[ci skip] [skip ci]

* jandan: fix

* jandan: codefactor fix

Co-authored-by: duhd1993 <duhd1993@gmail.com>
Co-authored-by: codefactor-io <support@codefactor.io>

docs/picture.md

@@ -336,6 +336,10 @@ R18 显示
 | ------ | ---------- | ---------- |
 | pic    | top        | top-4h     |
 
+### 首页
+
+<Route author="lonelykid" example="/jandan/article" path="/jandan/article"/>
+
 ## 绝对领域
 
 ### 图集文章

lib/router.js

@@ -209,6 +209,7 @@ router.get('/douban/celebrity/:id/:sort?', require('./routes/douban/celebrity.js
 router.get('/plainlaw/archives', require('./routes/plainlaw/archives.js'));
 
 // 煎蛋
+router.get('/jandan/article', require('./routes/jandan/article'));
 router.get('/jandan/:sub_model', require('./routes/jandan/pic'));
 
 // 喷嚏

lib/routes/jandan/article.js

@@ -0,0 +1,61 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+
+module.exports = async (ctx) => {
+    const response = await got({
+        method: 'get',
+        url: 'http://jandan.net/',
+    });
+    const $ = cheerio.load(response.data);
+    const list = $('div.list-post').get();
+
+    const items = await Promise.all(
+        list.map(async (li) => {
+            const $ = cheerio.load(li);
+            const link = $('a').first().attr('href');
+            const title = $('a')[1].children[0].data;
+            const summary = $('div.indexs').clone().children().remove().end().text().trim();
+            const author = $('div.time_s > a').first().text();
+            let imgUrl = 'http:' + ($('img').attr('src') || $('img').attr('data-original'));
+            if (imgUrl.slice(-7,) === "!square") {
+                imgUrl = imgUrl.slice(0, -7);
+            }
+
+            const [fullText, time] = await ctx.cache.tryGet(link, async () => {
+                const res = await got.get(link);
+                const $ = cheerio.load(res.data);
+                const [, year, month, day, hour, minute] = $('div.time_s')
+                    .text()
+                    .match(/.+@\s+(\d+)\.(\d+)\.(\d+)\s,\s(\d+):(\d+)/);
+                const time = new Date(`${year}-${month}-${day}T${hour}:${minute}:00+0800`).toUTCString();
+
+                const content = $('.f.post').first();
+                content.find('h1').prevAll().remove().end().remove();
+                content.find('div').nextAll().remove().end().remove();
+                content.contents().each(function() {
+                    if (this.nodeType === 8) {
+                        $(this).remove();
+                    }
+                });
+                const text = content.html().trim();
+
+                return [text, time];
+            });
+            const description = `<blockquote><p>${summary}</p></blockquote><img src="${imgUrl}">${fullText}`;
+
+            const single = {
+                title: title,
+                description: description,
+                link: link,
+                pubDate: time,
+                author: author
+            };
+            return Promise.resolve(single);
+    }));
+    ctx.state.data = {
+        title: `煎蛋 - 首页`,
+        link: `http://jandan.net/`,
+        description: '煎蛋 - 地球上没有新鲜事',
+        item: items,
+    };
+};