add dcard posts

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;
+    },
+};