fix(route)(wechat/feeddd) (#8918)

Signed-off-by: Rongrong <15956627+Rongronggg9@users.noreply.github.com>

docs/new-media.md

@@ -3105,7 +3105,7 @@ column 为 third 时可选的 category:
 
 ### 公众号 (feeddd 来源)
 
-<Route author="TonyRL" example="/wechat/feeddd/6131e1441269c358aa0e2141" path="/wechat/feeddd/:id" :paramsDesc="['公众号 id, 打开 `https://feeddd.org/feeds` 或 `https://cdn.jsdelivr.net/gh/feeddd/feeds/feeds_all_rss.txt`, 在 URL 中找到 id']"/>
+<Route author="TonyRL Rongronggg9" example="/wechat/feeddd/6131e1441269c358aa0e2141" path="/wechat/feeddd/:id" :paramsDesc="['公众号 id, 打开 `https://feeddd.org/feeds` 或 `https://cdn.jsdelivr.net/gh/feeddd/feeds/feeds_all_rss.txt`, 在 URL 中找到 id; 注意不是公众号页的 id, 而是订阅的 id']"/>
 
 ### 公众号栏目 (非推送 & 历史消息)
 

lib/v2/wechat/feeddd.js

@@ -12,15 +12,10 @@ module.exports = async (ctx) => {
 
     const response = await got(apiUrl);
 
-    if (response.data.items.length === 0) {
-        throw Error('Empty feed');
-    }
-
     let items = response.data.items.map((item) => ({
         title: item.title,
         pubDate: parseDate(item.date_modified),
         link: item.url,
-        author: item.title,
         guid: item.id,
     }));
 
@@ -51,6 +46,18 @@ module.exports = async (ctx) => {
                     desc: $('#js_content').html(),
                 });
 
+                item.author = $('meta[name=author]').attr('content');
+
+                // another way to get publish timestamp:
+                // const publish_time_script = $('script[nonce][type="text/javascript"]:contains("var ct")').html();
+                // const publish_time_match = publish_time_script && publish_time_script.match(/var ct *= *"(\d{10})"/);
+                const publish_time_script = $('script[nonce][type="text/javascript"]:contains("publish_time")').html();
+                const publish_time_match = publish_time_script && publish_time_script.match(/var.*[ ,]n *= *"(\d{10})"/);
+                const publish_timestamp = publish_time_match && publish_time_match[1];
+                if (publish_timestamp) {
+                    item.pubDate = parseDate(publish_timestamp * 1000);
+                }
+
                 return item;
             })
         )
@@ -61,6 +68,7 @@ module.exports = async (ctx) => {
         link: response.data.feed_url,
         description: response.data.title,
         item: items,
+        allowEmpty: true,
     };
 
     ctx.state.json = {

lib/v2/wechat/maintainer.js

@@ -1,3 +1,3 @@
 module.exports = {
-    '/feeddd/:id': ['TonyRL'],
+    '/feeddd/:id': ['TonyRL', 'Rongronggg9'],
 };