fix(route): add pubDate for 知乎日报 (#7660)

Co-authored-by: auto-bot-ty <auto-bot-ty@git@com>

lib/routes/zhihu/daily.js

@@ -1,34 +1,36 @@
 const got = require('@/utils/got');
 const utils = require('./utils');
+const { parseDate } = require('@/utils/parse-date');
 
 // 参考：https://github.com/izzyleung/ZhihuDailyPurify/wiki/%E7%9F%A5%E4%B9%8E%E6%97%A5%E6%8A%A5-API-%E5%88%86%E6%9E%90
 // 文章给出了v4版 api的信息，包含全文api
 
 module.exports = async (ctx) => {
+    const api = 'https://news-at.zhihu.com/api/4/news';
     const listRes = await got({
         method: 'get',
-        url: 'https://news-at.zhihu.com/api/4/news/latest',
+        url: `${api}/latest`,
         headers: {
             ...utils.header,
-            Referer: 'https://news-at.zhihu.com/api/4/news/latest',
+            Referer: `${api}/latest`,
         },
     });
     // 根据api的说明，过滤掉极个别站外链接
     const storyList = listRes.data.stories.filter((el) => el.type === 0);
-    const resultItem = await Promise.all(
-        storyList.map(async (story) => {
-            const url = 'https://news-at.zhihu.com/api/4/news/' + story.id;
-            const item = {
-                title: story.title,
-                description: '',
-                link: 'https://daily.zhihu.com/story/' + story.id,
-            };
-            const key = 'daily' + story.id;
-            const value = await ctx.cache.get(key);
+    const date = listRes.data.date;
 
-            if (value) {
-                item.description = value;
-            } else {
+    const articleList = storyList.map((item) => ({
+        title: item.title,
+        pubDate: parseDate(date, 'YYYYMMDD'),
+        link: item.url,
+        guid: item.url,
+        storyId: item.id,
+    }));
+
+    const items = await Promise.all(
+        articleList.map(async (item) => {
+            const url = `${api}/${item.storyId}`;
+            const description = await ctx.cache.tryGet(item.link, async () => {
                 const storyDetail = await got({
                     method: 'get',
                     url: url,
@@ -36,10 +38,9 @@ module.exports = async (ctx) => {
                         Referer: url,
                     },
                 });
-                item.description = utils.ProcessImage(storyDetail.data.body.replace(/<div class="meta">([\s\S]*?)<\/div>/g, '<strong>$1</strong>').replace(/<\/?h2.*?>/g, ''));
-                ctx.cache.set(key, item.description);
-            }
-
+                return utils.ProcessImage(storyDetail.data.body.replace(/<div class="meta">([\s\S]*?)<\/div>/g, '<strong>$1</strong>').replace(/<\/?h2.*?>/g, ''));
+            });
+            item.description = description;
             return Promise.resolve(item);
         })
     );
@@ -48,6 +49,6 @@ module.exports = async (ctx) => {
         title: '知乎日报',
         link: 'https://daily.zhihu.com',
         description: '每天3次，每次7分钟',
-        item: resultItem,
+        item: items,
     };
 };