From 147b31b779a3f66f8a329c6be6a66e7d6326bf65 Mon Sep 17 00:00:00 2001
From: Bachhhhhhh <49983774+wooddance@users.noreply.github.com>
Date: Tue, 4 Feb 2020 20:48:13 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=8C=97=E5=A4=A7=E6=9C=AA=E5=90=8D=20?=
 =?UTF-8?q?BBS=20=E5=85=A8=E7=AB=99=E5=8D=81=E5=A4=A7=20(#3870)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/install/README.md                 |  3 ++
 docs/university.md                     | 12 +++++
 lib/config.js                          |  3 ++
 lib/router.js                          |  1 +
 lib/routes/universities/pku/bbs/hot.js | 69 ++++++++++++++++++++++++++
 5 files changed, 88 insertions(+)
 create mode 100644 lib/routes/universities/pku/bbs/hot.js

diff --git a/docs/install/README.md b/docs/install/README.md
index 095dc51ca..42045ae39 100644
--- a/docs/install/README.md
+++ b/docs/install/README.md
@@ -396,3 +396,6 @@ RSSHub 支持 `memory` 和 `redis` 两种缓存方式
     -   `FANFOU_CONSUMER_SECRET`: 饭否 Consumer Secret
     -   `FANFOU_USERNAME`: 饭否登录用户名、邮箱、手机号
     -   `FANFOU_PASSWORD`: 饭否密码
+
+-   北大未名 BBS 全站十大
+    -   `PKUBBS_COOKIE`: BBS 注册用户登录后的 Cookie 值，获取方式：1.登录后打开论坛首页 2. 打开控制台 3. 刷新 4. 找到 <https://bbs.pku.edu.cn/v2/home.php> 请求 5. 找到请求头中的 Cookie
diff --git a/docs/university.md b/docs/university.md
index f4b9faff5..be0e71234 100644
--- a/docs/university.md
+++ b/docs/university.md
@@ -58,6 +58,18 @@ pageClass: routes
 
 <Route author="TPOB" example="/pku/cls/lecture" path="/universities/pku/cls/lecture" />
 
+### 北大未名 BBS 全站十大
+
+<Route author="wooddance" example="/pku/bbs/hot" path="/universities/pku/bbs/hot">
+
+::: warning 注意
+
+论坛部分帖子正文内容的获取需要用户登录后的 Cookie 值，详情见部署页面的配置模块。
+
+:::
+
+</Route>
+
 ## 北京航空航天大学
 
 ### 北京航空航天大学
diff --git a/lib/config.js b/lib/config.js
index c2e784d1c..2149d9f04 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -107,6 +107,9 @@ const calculateValue = () => {
             username: envs.FANFOU_USERNAME,
             password: envs.FANFOU_PASSWORD,
         },
+        pkubbs: {
+            cookie: envs.PKUBBS_COOKIE,
+        },
     };
 };
 calculateValue();
diff --git a/lib/router.js b/lib/router.js
index 1b2f3b141..e17e13c08 100644
--- a/lib/router.js
+++ b/lib/router.js
@@ -586,6 +586,7 @@ router.get('/lit/tw/:name?', require('./routes/universities/lit/tw'));
 router.get('/pku/eecs/:type?', require('./routes/universities/pku/eecs'));
 router.get('/pku/rccp/mzyt', require('./routes/universities/pku/rccp/mzyt'));
 router.get('/pku/cls/lecture', require('./routes/universities/pku/cls/lecture'));
+router.get('/pku/bbs/hot', require('./routes/universities/pku/bbs/hot'));
 
 // 上海海事大学
 router.get('/shmtu/www/:type', require('./routes/universities/shmtu/www'));
diff --git a/lib/routes/universities/pku/bbs/hot.js b/lib/routes/universities/pku/bbs/hot.js
new file mode 100644
index 000000000..dc524c914
--- /dev/null
+++ b/lib/routes/universities/pku/bbs/hot.js
@@ -0,0 +1,69 @@
+const config = require('@/config').value;
+const cheerio = require('cheerio');
+const got = require('@/utils/got');
+const resolveUrl = require('url').resolve;
+
+function parseDate(text) {
+    const match = /[0-9 :-]+/.exec(text);
+    if (match) {
+        return new Date(match[0]).toUTCString();
+    }
+}
+
+module.exports = async (ctx) => {
+    const cookie = config.pkubbs.cookie;
+    const headers = {};
+    if (cookie) {
+        headers.cookie = cookie;
+    }
+    const r = await got('https://bbs.pku.edu.cn/v2/hot-topic.php', { headers });
+    const $ = cheerio.load(r.body);
+    const listItems = $('#list-content .list-item')
+        .map(function() {
+            return {
+                url: resolveUrl(
+                    r.url,
+                    $(this)
+                        .find('> a.link')
+                        .attr('href')
+                ),
+                title: $(this)
+                    .find('.title')
+                    .text(),
+            };
+        })
+        .get()
+        .slice(0, 10);
+
+    const item = await Promise.all(
+        listItems.map(
+            async ({ url, title }) =>
+                await ctx.cache.tryGet(url, async () => {
+                    // try catch 处理部分无 Cookie 时无法访问的帖子
+                    try {
+                        const r = await got(url, { headers });
+                        const $ = cheerio.load(r.body);
+                        return {
+                            title,
+                            description: $('.post-card:first-child .content').html(),
+                            link: url,
+                            guid: url,
+                            pubDate: parseDate($('.post-card:first-child .sl-triangle-container .title span').text()),
+                        };
+                    } catch (error) {
+                        return {
+                            title,
+                            link: url,
+                            guid: url,
+                        };
+                    }
+                })
+        )
+    );
+    ctx.state.data = {
+        title: '北大未名BBS 全站十大',
+        link: 'https://bbs.pku.edu.cn/v2/hot-topic.php',
+        description: '北大未名BBS 全站热门话题前十名',
+        item,
+    };
+};