进一步适配 BBC 不同栏目 (#857)

routes/bbc/index.js

@@ -43,7 +43,13 @@ module.exports = async (ctx) => {
 
             const $ = cheerio.load(response.data);
 
-            const description = utils.ProcessFeed($, item.link).html();
+            let description;
+
+            if (response.request.path.startsWith('/news/av')) {
+                description = utils.ProcessAVFeed($, item.link);
+            } else {
+                description = utils.ProcessFeed($, item.link);
+            }
 
             const single = {
                 title: item.title,

routes/bbc/utils.js

@@ -6,9 +6,9 @@ const ProcessImage = ($, e, c) => {
 
         // handle cover image and lazy-loading images
         if (img[0].attribs.src) {
-            message = `<figure><img alt='${img[0].attribs.alt}' src='${img[0].attribs.src.replace(/(?<=\/news\/).*?(?=\/cpsprodpb)/, '600')}'><br><figcaption>`;
+            message = `<figure><img alt='${img[0].attribs.alt ? img[0].attribs.alt : ''}' src='${img[0].attribs.src.replace(/(?<=\/news\/).*?(?=\/cpsprodpb)/, '600')}'><br><figcaption>`;
         } else {
-            message = `<figure><img alt='${img[0].attribs['data-alt']}' src='${img[0].attribs['data-src'].replace(/(?<=\/news\/).*?(?=\/cpsprodpb)/, '600')}'><br><figcaption>`;
+            message = `<figure><img alt='${img[0].attribs['data-alt'] ? img[0].attribs['data-alt'] : ''}' src='${img[0].attribs['data-src'].replace(/(?<=\/news\/).*?(?=\/cpsprodpb)/, '600')}'><br><figcaption>`;
         }
 
         // add image caption
@@ -32,6 +32,45 @@ const ProcessImage = ($, e, c) => {
         $(message).insertAfter(e);
     }
 };
+
+const ProcessVideo = ($, e, c) => {
+    const video = $(e).find(c);
+
+    video.each((i, f) => {
+        const cover = $(f).children('img.player-with-placeholder__image');
+        if (cover.length > 0) {
+            $(cover[0]).insertBefore(e);
+        }
+        const link = $(f).find('figure.js-media-player-unprocessed');
+        if (link.length > 0) {
+            const url = JSON.parse(link[0].attribs['data-playable']).settings.externalEmbedUrl;
+            const message = `<br><a href='${url}'>使用浏览器播视频/view video in browser</a>`;
+            $(message).insertAfter(e);
+        }
+    });
+};
+
+const ProcessAVFeed = ($) => {
+    const content = $('div.vxp-media__summary');
+
+    const video = $('div.vxp-media__player');
+
+    video.each((i, e) => {
+        const cover = $(e).children('img.vxp-media__placeholder-image');
+        if (cover.length > 0) {
+            $(cover[0]).insertBefore(content[0].firstChild);
+        }
+        const link = $(e).find('figure.js-media-player-unprocessed');
+        if (link.length > 0) {
+            const url = JSON.parse(link[0].attribs['data-playable']).settings.externalEmbedUrl;
+            const message = `<br><a href='${url}'>使用浏览器播视频/view video in browser</a>`;
+            $(message).insertAfter(content[0].firstChild);
+        }
+    });
+
+    return content.html();
+};
+
 const ProcessFeed = ($, link) => {
     // by default treat it as a hybrid news with video and story-body__inner
     let content = $('div.story-body__inner');
@@ -41,6 +80,11 @@ const ProcessFeed = ($, link) => {
         content = $('div.story-body');
     }
 
+    // remove useless DOMs
+    content.find('div.bbccom_slot, .off-screen, .embed-report-link').each((i, e) => {
+        $(e).remove();
+    });
+
     if ($('#comp-media-player').length > 0) {
         // there is a cover video
 
@@ -56,19 +100,22 @@ const ProcessFeed = ($, link) => {
         $(message).insertAfter(content[0].lastChild);
     }
 
-    // resize all images
+    // resize all images and videos
     content.find('figure').each((i, e) => {
-        ProcessImage($, e, 'img');
+        ProcessImage($, e, '.image-and-copyright-container > img');
 
         // handle lazy-loading images
         ProcessImage($, e, '.js-delayed-image-load');
 
+        ProcessVideo($, e, 'figure.media-with-caption > div.player-with-placeholder', link);
+
         $(e).remove();
     });
 
-    return content;
+    return content.html();
 };
 
 module.exports = {
     ProcessFeed,
+    ProcessAVFeed,
 };