From 95592da00ff33767667a6b5b62d4a599f42d1b3b Mon Sep 17 00:00:00 2001
From: Henry Wang <hi@henry.wang>
Date: Thu, 20 Feb 2020 07:21:28 +0000
Subject: [PATCH] fix: switch to Dcard post api (#4041)

---
 lib/routes/dcard/section.js |  4 +---
 lib/routes/dcard/utils.js   | 17 +++++++++++------
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/lib/routes/dcard/section.js b/lib/routes/dcard/section.js
index 982a856155..194c6ece6a 100644
--- a/lib/routes/dcard/section.js
+++ b/lib/routes/dcard/section.js
@@ -36,9 +36,7 @@ module.exports = async (ctx) => {
         },
     });
 
-    const data = response.data;
-
-    const items = await utils.ProcessFeed(data, ctx.cache);
+    const items = await utils.ProcessFeed(response.data, ctx.cache);
 
     ctx.state.data = {
         title,
diff --git a/lib/routes/dcard/utils.js b/lib/routes/dcard/utils.js
index e081acda38..33270536da 100644
--- a/lib/routes/dcard/utils.js
+++ b/lib/routes/dcard/utils.js
@@ -1,10 +1,9 @@
 const got = require('@/utils/got');
-const cheerio = require('cheerio');
 
 const ProcessFeed = async (list, cache) => {
     const result = await Promise.all(
         list.map(async (item) => {
-            const link = `https://www.dcard.tw/f/${item.forumAlias}/p/${item.id}`;
+            const url = `https://www.dcard.tw/_api/posts/${item.id}`;
 
             const content = await cache.tryGet(`dcard${item.id}`, async () => {
                 let response;
@@ -14,15 +13,21 @@ const ProcessFeed = async (list, cache) => {
                 try {
                     response = await got({
                         method: 'get',
-                        url: link,
+                        url,
                         headers: {
                             Referer: 'https://www.dcard.tw/f',
                         },
                     });
 
-                    const $ = cheerio.load(response.data);
+                    let body = response.data.content;
 
-                    return $('.Post_content_NKEl9d > div:nth-child(1)').html();
+                    body = body.replace(/(?=https?:\/\/).*?(?<=\.(jpe?g|gif|png))/gi, (m) => `<img src="${m}">`);
+
+                    body = body.replace(/(?=https?:\/\/).*(?<!jpe?g"?>?)$/gim, (m) => `<a href="${m}">${m}</a>`);
+
+                    body = body.replace(/\n/g, '<br>');
+
+                    return body;
                 } catch (error) {
                     return '';
                 }
@@ -30,7 +35,7 @@ const ProcessFeed = async (list, cache) => {
 
             const single = {
                 title: `「${item.forumName}」${item.title}`,
-                link,
+                link: `https://www.dcard.tw/f/${item.forumAlias}/p/${item.id}`,
                 description: content,
                 author: item.school || '匿名',
                 pubDate: item.createdAt,