feat: add Deutsche Welle 德国之声 (#6047)

docs/en/new-media.md

@@ -57,6 +57,16 @@ Compared to the official one, the RSS feed generated by RSSHub not only has more
 
 <RouteEn author="nczitzk" example="/cgtn/top" path="/cgtn/top"/>
 
+## Deutsche Welle
+
+<RouteEn author="nczitzk" example="/dw/en" path="/dw/:lang?/:caty?" :paramsDesc="['Language, can be found in the URL of the corresponding language version page, German by default', 'Category, all by default']">
+
+| All  | German Press | Culture | Economy | Science & Nature |
+| ---- | -------- | -------- | -------- | -------- |
+| all  | press    | cul      | eco      | sci      |
+
+</RouteEn>
+
 ## Engadget
 
 ### Chinese

docs/new-media.md

@@ -118,6 +118,16 @@ pageClass: routes
 
 <Route author="kt286" example="/cnbeta" path="/cnbeta"/>
 
+## Deutsche Welle 德国之声
+
+<Route author="nczitzk" example="/dw/zh" path="/dw/:lang?/:caty?" :paramsDesc="['语言，可在对应语言版本页的 URL 中找到，默认为德语', '分类，见下表，默认为全部']">
+
+| 全部 | 德语媒体 | 文化经纬 | 经济纵横 | 科技环境 |
+| ---- | -------- | -------- | -------- | -------- |
+| all  | press    | cul      | eco      | sci      |
+
+</Route>
+
 ## DoNews
 
 ### 栏目

lib/router.js

@@ -3404,6 +3404,9 @@ router.get('/dev.to/top/:period', require('./routes/dev.to/top'));
 router.get('/gameres/hot', require('./routes/gameres/hot'));
 router.get('/gameres/list/:id', require('./routes/gameres/list'));
 
+// Deutsche Welle 德国之声
+router.get('/dw/:lang?/:caty?', require('./routes/dw/index'));
+
 // Amazon
 router.get('/amazon/ku/:type?', require('./routes/amazon/ku'));
 

lib/routes/dw/index.js

@@ -0,0 +1,52 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+
+module.exports = async (ctx) => {
+    const lang = ctx.params.lang || 'de';
+    const caty = ctx.params.caty || 'all';
+
+    const currentUrl = `https://rss.dw.com/rdf/rss-${lang === 'zh' ? 'chi' : lang}-${caty}`;
+    const response = await got({
+        method: 'get',
+        url: currentUrl,
+    });
+    const $ = cheerio.load(response.data);
+
+    const list = $('item')
+        .slice(0, 10)
+        .map((_, item) => {
+            item = $(item);
+            return {
+                title: item.find('title').text(),
+                link: item.attr('rdf:about'),
+                pubDate: new Date(item.find('dc\\:date').text()).toUTCString(),
+                description: item.find('description').text(),
+            };
+        })
+        .get();
+
+    const items = await Promise.all(
+        list.map(
+            async (item) =>
+                await ctx.cache.tryGet(item.link, async () => {
+                    const detailResponse = await got({
+                        method: 'get',
+                        url: item.link,
+                    });
+                    const content = cheerio.load(detailResponse.data);
+
+                    content('.col1').remove();
+                    item.description = content('.longText').html();
+
+                    return item;
+                })
+        )
+    );
+
+    ctx.state.data = {
+        title: $('channel title').text(),
+        link: response.data.match(/<link>(.*)<\/link>/)[1],
+        item: items,
+        description: $('channel description').text(),
+    };
+};