添加最新政策全文输出 (#1449)

lib/routes/gov/zhengce/zuixin.js

@@ -3,22 +3,38 @@ const cheerio = require('cheerio');
 
 module.exports = async (ctx) => {
     const link = `http://www.gov.cn/zhengce/zuixin.htm`;
-    const response = await axios.get(link);
-    const $ = cheerio.load(response.data);
+    const listData = await axios.get(link);
+    const $list = cheerio.load(listData.data);
     ctx.state.data = {
         title: `最新政策 - 中国政府网`,
         link,
-        item: $('.news_box .list li:not(.line)')
-            .map((i, el) => {
-                const $el = $(el);
-                const $a = $el.find('h4 a');
-                return {
-                    title: $a.text(),
-                    description: $a.text(),
-                    link: $a.attr('href'),
-                    pubDate: new Date($el.find('.date').text()).toUTCString(),
-                };
-            })
-            .get(),
+        item: await Promise.all(
+            $list('.news_box .list li:not(.line)')
+                .map(async (_, el) => {
+                    const $el = $list(el);
+                    const $a = $el.find('h4 a');
+                    const href = $a.attr('href');
+                    const key = `zuixin_zhengce: ${href}`;
+                    let description;
+                    const value = await ctx.cache.get(key);
+
+                    if (value) {
+                        description = value;
+                    } else {
+                        const contentData = await axios.get(href.startsWith('/zhengce') ? `http://www.gov.cn${href}` : href);
+                        const $content = cheerio.load(contentData.data);
+                        description = $content('#UCAP-CONTENT').html();
+                        ctx.cache.set(key, description, 24 * 60 * 60);
+                    }
+
+                    return {
+                        title: $a.text(),
+                        description,
+                        link: $a.attr('href'),
+                        pubDate: new Date($el.find('.date').text()).toUTCString(),
+                    };
+                })
+                .get()
+        ),
     };
 };