fix: 每日一图根本没有图的问题 (#1672)

#1653 PR 质量实在是堪忧。。。

docs/README.md

@@ -3077,7 +3077,7 @@ type 为 all 时，category 参数不支持 cost 和 free
 
 </route>
 
-### instapaper
+### Instapaper
 
 <route name="个人分享" author="LogicJake" example="/instapaper/person/viridiano" path="/instapaper/person"/>
 
@@ -3093,7 +3093,7 @@ type 为 all 时，category 参数不支持 cost 和 free
 
 ### 北京天文馆
 
-<route name="每日一图" author="radaiming" example="/bjp/apod" path="/bjp/apod"/>
+<route name="每日一图" author="HenryQW" example="/bjp/apod" path="/bjp/apod"/>
 
 ### 洛谷
 

lib/routes/bjp/apod.js

@@ -5,41 +5,45 @@ module.exports = async (ctx) => {
     const baseUrl = 'http://www.bjp.org.cn';
     const indexUrl = baseUrl + '/col/col89/index.html';
 
-    let limit = parseInt(ctx.query.limit);
-    if (isNaN(limit) || limit === 0) {
-        limit = 5;
-    }
     const res = await axios.get(indexUrl);
-    const data = res.data;
-    const $ = cheerio.load(data);
-    const list = $('b > a');
-    const urls = [];
-    const titles = [];
-    for (let i = 0; i < limit && i < list.length; i++) {
-        urls.push(baseUrl + list[i].attribs.href);
-        titles.push(list[i].attribs.title);
-    }
+
+    const $ = cheerio.load(res.data);
+
+    const list = $('b > a')
+        .slice(0, 10)
+        .get()
+        .map((e) => $(e));
 
     const items = await Promise.all(
-        urls.map(async (url, i) => {
-            const cache = await ctx.cache.get(url);
+        list.map(async (e) => {
+            const link = `${baseUrl}${e.attr('href')}`;
+
+            const cache = await ctx.cache.get(link);
             if (cache) {
                 return Promise.resolve(JSON.parse(cache));
             }
-            const data = (await axios.get(url)).data;
-            const $ = cheerio.load(data);
-            const time = $('meta[name=pubDate]').attr('content');
-            const title = titles[i];
+
+            const data = await axios.get(link);
+            const $ = cheerio.load(data.data);
+
+            const content = $($('body > table')[1]);
+
+            const image = `<img referrerpolicy="no-referrer" src="${baseUrl}${content.find('img').attr('src')}">`;
+
             const item = {
-                title,
-                pubDate: new Date(time).toUTCString(),
-                description: $('body > table > tbody')
-                    .eq(1)
-                    .html(),
-                link: url,
-                guid: url,
+                title: $(e).attr('title'),
+                pubDate: new Date($('meta[name=pubDate]').attr('content')).toUTCString(),
+                description:
+                    image +
+                    content
+                        .find('table')
+                        .last()
+                        .html(),
+                link,
+                guid: link,
             };
-            ctx.cache.set(url, JSON.stringify(item), limit * 24 * 60 * 60);
+            ctx.cache.set(link, JSON.stringify(item), 5 * 24 * 60 * 60);
+
             return Promise.resolve(item);
         })
     );