add dcard posts

docs/README.md

@@ -622,6 +622,10 @@ RSSHub 提供下列 API 接口:
 
 <route name="虎扑BBS步行街" author="LogicJake" example="/hupu/bxj/bxj/2" path="/hupu/bxj/:id/:order?" :paramsDesc="['栏目id，可在栏目 URL 找到', '排序方式，1最新回帖（默认），2最新发帖']"/>
 
+### Dcard
+
+<route name="帖子" author="DIYgod" example="/dcard/posts/popular" path="/dcard/posts/:type?" :paramsDesc="['排序，popular 熱門；latest 最新，默認為 latest']"/>
+
 ## 编程
 
 ### 掘金

lib/router.js

@@ -1093,4 +1093,7 @@ router.get('/instapaper/person/:name', require('./routes/instapaper/person'));
 router.get('/ui-cn/article', require('./routes/ui-cn/article'));
 router.get('/ui-cn/user/:id', require('./routes/ui-cn/user'));
 
+// Dcard
+router.get('/dcard/posts/:type?', require('./routes/dcard/posts'));
+
 module.exports = router;

lib/routes/dcard/posts.js

@@ -0,0 +1,24 @@
+const axios = require('../../utils/axios');
+const utils = require('./utils');
+
+module.exports = async (ctx) => {
+    const type = ctx.params.type || 'latest';
+
+    const response = await axios({
+        method: 'get',
+        url: `https://www.dcard.tw/_api/posts?popular=${type === 'popular' ? 'true' : 'false'}&limit=30`,
+        headers: {
+            Referer: `https://www.dcard.tw/f?latest=${type === 'popular' ? 'false' : 'true'}`,
+        },
+    });
+
+    const data = response.data;
+    console.log(`https://www.dcard.tw/_api/posts?popular=${type === 'popular' ? 'true' : 'false'}&limit=30`, `https://www.dcard.tw/f?latest=${type === 'popular' ? 'false' : 'true'}`);
+
+    ctx.state.data = {
+        title: `Dcard ${type === 'popular' ? '熱門' : '最新'}`,
+        link: 'https://www.dcard.tw',
+        description: '不想錯過任何有趣的話題嗎？趕快加入我們吧！',
+        item: await utils.ProcessFeed(data, ctx.cache),
+    };
+};

lib/routes/dcard/utils.js

@@ -0,0 +1,34 @@
+const axios = require('../../utils/axios');
+
+module.exports = {
+    ProcessFeed: async (list, cache) => {
+        const result = await Promise.all(
+            list.map(async (item) => {
+                const link = `https://www.dcard.tw/f/funny/p/${item.id}-${encodeURIComponent(item.title)}`;
+
+                const content = await cache.tryGet(`dcard${item.id}`, async () => {
+                    const response = await axios({
+                        method: 'get',
+                        url: `https://www.dcard.tw/_api/posts/${item.id}`,
+                        headers: {
+                            Referer: link,
+                        },
+                    });
+                    return response.data.content.replace(/(https?:\/\/i\.imgur\.com\/(.*?)\.(jpg|png))/g, (match, p1) => `<img src="${p1}">`).replace(/(\r\n|\r|\n)+/g, '<br>');
+                });
+
+                const single = {
+                    title: item.title,
+                    link: link,
+                    description: content,
+                    author: item.school || '匿名',
+                    guid: item.id,
+                };
+
+                return Promise.resolve(single);
+            })
+        );
+
+        return result;
+    },
+};