feat(route): Add query parameter to control full text fetching function (#13404)

* 澎湃新闻图片及视频与正文重复
Fixes #13401

* Save cache to different path for each mode.

* Update website/docs/routes/traditional-media.md

* Add text content to full text if the source is of video type.

---------

lib/v2/thepaper/utils.js

@@ -18,12 +18,13 @@ const defaultRssItem = (item) => ({
 
 module.exports = {
     ProcessItem: (item, ctx) => {
+        const useOldMode = ctx.query.old === 'yes';
         if (item.link) {
             // external link
             return defaultRssItem(item);
         }
         const itemUrl = `https://m.thepaper.cn/detail/${item.contId}`;
-        return ctx.cache.tryGet(itemUrl, async () => {
+        return ctx.cache.tryGet(`${itemUrl}${useOldMode ? ':old' : ''}`, async () => {
             const res = await got(itemUrl);
             const data = JSON.parse(cheerio.load(res.data)('#__NEXT_DATA__').html());
             const detailData = data.props.pageProps.detailData;
@@ -34,18 +35,23 @@ module.exports = {
             let description = contentDetail.content || contentDetail.summary || contentDetail.desc || '';
 
             if (contentDetail.videos) {
-                description =
-                    art(path.join(__dirname, 'templates/video_detail.art'), {
-                        // see https://nanmu.me/zh-cn/posts/2020/strange-html-video-tag-behavior-in-wechat/
-                        // for video tag details
-                        videos: contentDetail.videos,
-                    }) + description;
+                description = description + contentDetail.summary;
             }
-            if (contentDetail.images) {
-                description =
-                    art(path.join(__dirname, 'templates/image_detail.art'), {
-                        images: contentDetail.images,
-                    }) + description;
+            if (useOldMode) {
+                if (contentDetail.videos) {
+                    description =
+                        art(path.join(__dirname, 'templates/video_detail.art'), {
+                            // see https://nanmu.me/zh-cn/posts/2020/strange-html-video-tag-behavior-in-wechat/
+                            // for video tag details
+                            videos: contentDetail.videos,
+                        }) + description;
+                }
+                if (contentDetail.images) {
+                    description =
+                        art(path.join(__dirname, 'templates/image_detail.art'), {
+                            images: contentDetail.images,
+                        }) + description;
+                }
             }
 
             const rss_item = {

website/docs/routes/traditional-media.md

@@ -2019,6 +2019,8 @@ category 对应的关键词有
 
 ## 澎湃新闻 {#peng-pai-xin-wen}
 
+以下所有路由可使用参数`old`以采取旧全文获取方法. 该方法会另外获取网页中的图片与视频资源. 在原始url追加`?old=yes`以启用.
+
 ### 首页头条 {#peng-pai-xin-wen-shou-ye-tou-tiao}
 
 <Route author="HenryQW nczitzk bigfei" example="/thepaper/featured" path="/thepaper/featured"/>