From 40b376b7218a23970a2b48c476b58389e63d00fa Mon Sep 17 00:00:00 2001
From: Ethan Shen <nczitzk@gmail.com>
Date: Sun, 8 Nov 2020 09:24:51 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20add=20=E5=BE=97=E5=88=B0=E7=9F=A5?=
 =?UTF-8?q?=E8=AF=86=E5=9F=8E=E9=82=A6=20(#6118)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/new-media.md             |  6 +++
 lib/router.js                 |  3 ++
 lib/routes/dedao/knowledge.js | 78 +++++++++++++++++++++++++++++++++++
 3 files changed, 87 insertions(+)
 create mode 100644 lib/routes/dedao/knowledge.js

diff --git a/docs/new-media.md b/docs/new-media.md
index 43cbac6c1..1a6db7f44 100644
--- a/docs/new-media.md
+++ b/docs/new-media.md
@@ -631,6 +631,12 @@ Supported sub-sites:
 
 <Route author="LogicJake" example="/cyzone/label/创业邦周报" path="/cyzone/label/:name" :paramsDesc="['标签名称']"/>
 
+## 得到
+
+### 知识城邦
+
+<Route author="nczitzk" example="/dedao/knowledge" path="/dedao/knowledge/:topic?/:type?" :paramsDesc="['话题 id，可在话题页 URL 中找到', '分享类型，`true` 指精选，`false` 指最新，默认为精选']"/>
+
 ## 电商报
 
 ### 分区
diff --git a/lib/router.js b/lib/router.js
index 384c7d81c..b19d5586b 100644
--- a/lib/router.js
+++ b/lib/router.js
@@ -3468,6 +3468,9 @@ router.get('/grandchallenge/challenges', require('./routes/grandchallenge/challe
 // 西北工业大学
 router.get('/nwpu/:column', require('./routes/nwpu/index'));
 
+// 得到
+router.get('/dedao/knowledge/:topic?/:type?', require('./routes/dedao/knowledge'));
+
 // 未名新闻
 router.get('/mitbbs/:caty?', require('./routes/mitbbs/index'));
 
diff --git a/lib/routes/dedao/knowledge.js b/lib/routes/dedao/knowledge.js
new file mode 100644
index 000000000..06fdfb9f6
--- /dev/null
+++ b/lib/routes/dedao/knowledge.js
@@ -0,0 +1,78 @@
+const got = require('@/utils/got');
+const date = require('@/utils/date');
+
+module.exports = async (ctx) => {
+    const topic = ctx.params.topic || '';
+    const type = ctx.params.type || 'true';
+    const rootUrl = 'https://www.dedao.cn';
+    const detailUrl = `${rootUrl}/pc/ledgers/topic/detail`;
+    const currentUrl = `${rootUrl}/knowledge${topic === '' ? '' : '/topic/' + topic}`;
+    const apiUrl = `${rootUrl}/pc/ledgers/${topic === '' ? 'notes/friends_timeline' : 'topic/notes/list'}`;
+
+    let title = '',
+        description = '';
+
+    if (topic !== '') {
+        const detailResponse = await got({
+            method: 'post',
+            url: detailUrl,
+            json: {
+                incr_view_count: false,
+                topic_id_hazy: topic,
+            },
+        });
+
+        title = detailResponse.data.c.name;
+        description = detailResponse.data.c.intro;
+    }
+
+    const response = await got({
+        method: 'post',
+        url: apiUrl,
+        json: {
+            count: 20,
+            load_chain: true,
+            is_elected: type === 'true',
+            page_id: 0,
+            topic_id_hazy: topic,
+            version: 2,
+        },
+    });
+
+    const items = (topic === '' ? response.data.c.notes : response.data.c.note_detail_list).map((item) => {
+        let s_part = '';
+        if (item.s_part) {
+            const s_author = `<p>引用 ${item.s_part.nick_name} (${item.s_part.v_info}):</p>`;
+            const s_content = `<p>${item.s_part.note.replace(/\n\n/g, '</p><p>')}</p> <a href="${rootUrl}/knowledge/note/${item.s_part.note_id_hazy}">[查看原文]</a>`;
+            let s_images = '<br>';
+            if (item.s_part.images) {
+                for (const i of item.s_part.images) {
+                    s_images += `<img src="${i.match(/"url":"(.*)"/)[1]}">`;
+                }
+            }
+            s_part = s_author + s_content + s_images;
+        }
+
+        let f_images = '<br>';
+        if (item.f_part.images) {
+            for (const i of item.f_part.images) {
+                f_images += `<img src="${i.match(/"url":"(.*)"/)[1]}">`;
+            }
+        }
+
+        return {
+            title: item.f_part.note,
+            author: item.f_part.nick_name,
+            description: `<p>${item.f_part.note.replace(/\n\n/g, '</p><p>')}</p>${f_images}<br>${s_part}`,
+            link: `${rootUrl}/knowledge/note/${item.f_part.note_id_hazy}`,
+            pubDate: new Date(date(item.f_part.time_desc)).toUTCString(),
+        };
+    });
+
+    ctx.state.data = {
+        title: `得到 - 知识城邦${title === '' ? '' : ' - ' + title}`,
+        link: currentUrl,
+        item: items,
+        description,
+    };
+};