feat: 极客时间相关内容添加全文输出 (#2507)

* 添加极客时间|极客新闻 RSS

* 极客新闻RSS - 调整md文档格式

* 极客时间相关内容添加全文输出

* 极客时间全文输出 - 将缓存时间MaxAge参数值置空

lib/routes/geektime/column.js

@@ -33,15 +33,55 @@ module.exports = async (ctx) => {
 
     const articles = latest_response.data.data.list;
 
+    const out = await Promise.all(
+        articles.map(async (item) => {
+            const title = item.article_title;
+            const pubDate = new Date(item.article_ctime * 1000).toUTCString();
+            const link = `https://time.geekbang.org/column/article/${item.id}`;
+            const description = item.article_summary;
+
+            const single = {
+                title: title,
+                pubDate: pubDate,
+                link: link,
+                description: description,
+            };
+
+            if (item.id !== undefined) {
+                const value = ctx.cache.get(item.id);
+                if (value) {
+                    single.description = value;
+                } else {
+                    try {
+                        const article_response = await got({
+                            method: 'post',
+                            url: 'https://time.geekbang.org/serv/v1/article',
+                            headers: {
+                                Referer: link,
+                            },
+                            json: true,
+                            data: {
+                                id: item.id,
+                                include_neighbors: true,
+                            },
+                        });
+
+                        single.description = article_response.data.data.article_content;
+                        ctx.cache.set(item.id, single.description);
+                    } catch (err) {
+                        single.description = description;
+                    }
+                }
+            }
+            return Promise.resolve(single);
+        })
+    );
+
+    out.reverse();
     ctx.state.data = {
         title: intro_data.column_title,
         link: `https://time.geekbang.org/column/intro/${column_id}`,
         description: intro_data.column_subtitle,
-        item: articles.map((item) => ({
-            title: item.article_title,
-            description: item.article_summary,
-            pubDate: new Date(item.article_ctime * 1000).toUTCString(),
-            link: `https://time.geekbang.org/column/article/${item.id}`,
-        })),
+        item: out,
     };
 };