feat: 为古诗文网添加翻译、注释和赏析 (#5315)

添加 annotation 字段，用来指定是否添加翻译、注释和赏析到输出的文章中。

docs/other.md

@@ -306,7 +306,13 @@ type 为 all 时，category 参数不支持 cost 和 free
 
 ### 首页推荐
 
-<Route author="LogicJake" example="/gushiwen/recommend" path="/gushiwen/recommend"/>
+<Route author="LogicJake" example="/gushiwen/recommend/zhushang" path="/gushiwen/recommend/:annotation?"/>
+
+`annotation` 字段为添加哪些附加信息。可从以下表格中选择值后按顺序拼接。例如如果需要注释和赏析，则为`zhushang`。
+
+| 翻译 | 注释 | 赏析  |
+| ---- | ---- | ----- |
+| yi   | zhu  | shang |
 
 ## 国家留学网
 

lib/router.js

@@ -1498,7 +1498,7 @@ router.get('/mobdata/report', require('./routes/mobdata/report'));
 router.get('/tencent/guyu/channel/:name', require('./routes/tencent/guyu/channel'));
 
 // 古诗文网
-router.get('/gushiwen/recommend', require('./routes/gushiwen/recommend'));
+router.get('/gushiwen/recommend/:annotation?', require('./routes/gushiwen/recommend'));
 
 // 电商在线
 router.get('/imaijia/category/:category', require('./routes/imaijia/category'));

lib/routes/gushiwen/recommend.js

@@ -1,29 +1,46 @@
 const cheerio = require('cheerio');
 const got = require('@/utils/got');
 
+const idPattern = /shiwenv_(\w+).aspx/;
+
+async function getContent(link, annotation) {
+    const id = link.match(idPattern)[1];
+    const url = `https://www.gushiwen.cn/nocdn/ajaxshiwencont.aspx?id=${id}&value=${annotation}`;
+    const res = await got.get(url, { headers: { cookie: 'login=flase' } });
+    return res.data;
+}
+
 module.exports = async (ctx) => {
     const url = 'https://www.gushiwen.org/';
     const res = await got.get(url);
+    const annotation = ctx.params.annotation;
     const $ = cheerio.load(res.data);
 
     const list = $('div.sons');
-    const out = list
-        .slice(0, 10)
-        .map(function () {
-            const title = $(this).find('b').text();
-            const link = $(this).find('p a').attr('href');
-            const description = $(this).find('div.contson').html();
-            const author = $(this).find('p.source').text();
-            const item = {
-                title,
-                link,
-                description,
-                author,
-            };
+    const out = await Promise.all(
+        list
+            .slice(0, 10)
+            .map(async function () {
+                const title = $(this).find('b').text();
+                const link = $(this).find('p a').attr('href');
 
-            return item;
-        })
-        .get();
+                let description = $(this).find('div.contson').html();
+                if (annotation && link) {
+                    description = await getContent(link, annotation);
+                }
+
+                const author = $(this).find('p.source').text();
+                const item = {
+                    title,
+                    link,
+                    description,
+                    author,
+                };
+
+                return item;
+            })
+            .get()
+    );
 
     ctx.state.data = {
         title: '古诗文推荐',