feat: Add rthk (#3718)

lib/router.js

@@ -2101,6 +2101,9 @@ router.get('/mlog-club/projects', require('./routes/mlog-club/projects'));
 // Chrome 网上应用店
 router.get('/chrome/webstore/extensions/:id', require('./routes/chrome/extensions'));
 
+// RTHK
+router.get('/rthk-news/:lang/:category', require('./routes/rthk-news/index'));
+
 // yahoo
 router.get('/yahoo-news/:region/:category?', require('./routes/yahoo-news/index'));
 

lib/routes/rthk-news/index.js

@@ -0,0 +1,60 @@
+const got = require('@/utils/got');
+const parser = require('@/utils/rss-parser');
+const cheerio = require('cheerio');
+
+module.exports = async (ctx) => {
+    let category = ctx.params.category.toLowerCase();
+    const language = ctx.params.lang.toLowerCase();
+    let languageUrlKey;
+    switch (language) {
+        case 'hk':
+            languageUrlKey = 'c';
+            break;
+        case 'en':
+            languageUrlKey = 'e';
+            break;
+        default:
+            languageUrlKey = 'c';
+            break;
+    }
+    if (languageUrlKey !== 'c' || category !== 'greaterchina') {
+        category = languageUrlKey + category;
+    }
+    const rssUrl = `https://rthk.hk/rthk/news/rss/${languageUrlKey}_expressnews_${category}.xml`;
+    const feed = await parser.parseURL(rssUrl);
+    const title = feed.title;
+    const link = feed.link;
+    const description = feed.description;
+
+    const items = await Promise.all(
+        feed.items.map(async (item) => {
+            const description = await ctx.cache.tryGet(item.guid, async () => {
+                const response = await got({
+                    method: 'get',
+                    url: item.guid,
+                });
+                const $ = cheerio.load(response.data);
+
+                const $descriptionRoot = cheerio.load('<div><div class="img-root"></div><div class="content-root"></div></div>');
+                $descriptionRoot('div.img-root').append($('div.itemImageContainer img.imgPhotoAfterLoad'));
+                $descriptionRoot('div.content-root').append(item.content.replace(/\r\n/g, '<br/>'));
+
+                return $descriptionRoot.html();
+            });
+            const single = {
+                title: item.title,
+                description,
+                pubDate: item.pubDate,
+                link: item.guid,
+            };
+            return Promise.resolve(single);
+        })
+    );
+
+    ctx.state.data = {
+        title,
+        link,
+        description,
+        item: items,
+    };
+};