feat: Add rthk (#3718)

docs/en/traditional-media.md

@@ -44,6 +44,22 @@ Support major channels, refer to [BBC RSS feeds](https://www.bbc.co.uk/news/1062
 
 <RouteEn author="Andiedie" example="/nhk/news_web_easy" path="/nhk/news_web_easy"/>
 
+## RTHK
+
+### News
+
+RTHK offical provides full text RSS, check the offical website for detail information: <https://news.rthk.hk/rthk/en/rss.htm>
+
+This route adds the missing photo and Link element. (Offical RSS doesn't have Link element may cause issue on some RSS client)
+
+<Route author="KeiLongW" example="/rthk-news/hk/international" path="/rthk-news/:lang/:category" :paramsDesc="['Language，Traditional Chinese`hk`，English`en`','Category']">
+
+| local      | greaterchina       | international | finance      | sport      |
+| ---------- | ------------------ | ------------- | ------------ | ---------- |
+| Local News | Greater China News | World News    | Finance News | Sport News |
+
+</Route>
+
 ## The Economist
 
 ### Category

docs/traditional-media.md

@@ -360,6 +360,22 @@ category 对应的关键词有
 
 <Route author="hoilc" example="/hk01/tag/2787" path="/hk01/tag/:id" :paramsDesc="['标签id, 可在URL中找到']"/>
 
+## 香港電台
+
+### 新聞
+
+香港電台官方已有提供全文 RSS，詳細可前往官方網站： <https://news.rthk.hk/rthk/ch/rss.htm>
+
+此路由主要補回官方 RSS 缺少的圖片以及 Link 元素。（官方 RSS 沒有 Link 元素可能導致某些 RSS 客戶端出現問題）
+
+<Route author="KeiLongW" example="/rthk-news/hk/international" path="/rthk-news/:lang/:category" :paramsDesc="['语言，繁体`hk`，英文`en`','类别']">
+
+| local    | greaterchina | international | finance  | sport    |
+| -------- | ------------ | ------------- | -------- | -------- |
+| 本地新聞 | 大中華新聞   | 國際新聞      | 財經新聞 | 體育新聞 |
+
+</Route>
+
 ## 新京报
 
 ### 栏目

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,
+    };
+};