From 4b6649b462903e0e85f8f8b2ce6f68894045f2a2 Mon Sep 17 00:00:00 2001
From: Chenyang Shi <chenyang9608@qq.com>
Date: Tue, 12 Nov 2019 17:46:18 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20add=20kaggle=20=E6=96=B0=E6=AF=94?=
 =?UTF-8?q?=E8=B5=9B=20(#3416)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/programming.md               | 11 +++++++
 lib/router.js                     |  1 +
 lib/routes/kaggle/competitions.js | 51 +++++++++++++++++++++++++++++++
 3 files changed, 63 insertions(+)
 create mode 100644 lib/routes/kaggle/competitions.js

diff --git a/docs/programming.md b/docs/programming.md
index 32d703efd..5565c8a06 100644
--- a/docs/programming.md
+++ b/docs/programming.md
@@ -165,6 +165,17 @@ GitHub 官方也提供了一些 RSS:
 | Hotness | Recent Comments | Recently Posted | Most Votes | Most Comments |
 
 </Route>
+
+### Competitions
+
+<Route author="LogicJake" example="/kaggle/competitions" path="/kaggle/competitions/:category?" :paramsDesc="['类别, 默认为空']">
+
+| 空             | featured | research | recruitment | gettingStarted  | masters | playground | analytics |
+| -------------- | -------- | -------- | ----------- | --------------- | ------- | ---------- | --------- |
+| All Categories | Featured | Research | Recruitment | Getting started | Masters | Playground | Analytics |
+
+</Route>
+
 ## LeetCode
 
 ### 文章
diff --git a/lib/router.js b/lib/router.js
index c10c0546d..e7da804bc 100644
--- a/lib/router.js
+++ b/lib/router.js
@@ -1890,6 +1890,7 @@ router.get('/hatena/anonymous_diary/archive', require('./routes/hatena/anonymous
 
 // kaggle
 router.get('/kaggle/discussion/:forumId/:sort?', require('./routes/kaggle/discussion'));
+router.get('/kaggle/competitions/:category?', require('./routes/kaggle/competitions'));
 
 // nature
 router.get('/nature/natmachintell/research', require('./routes/nature/natmachintell/research'));
diff --git a/lib/routes/kaggle/competitions.js b/lib/routes/kaggle/competitions.js
new file mode 100644
index 000000000..f9009e202
--- /dev/null
+++ b/lib/routes/kaggle/competitions.js
@@ -0,0 +1,51 @@
+const got = require('@/utils/got');
+const url = require('url');
+
+const rootUrl = 'https://www.kaggle.com/';
+
+const categoryCodes = {
+    '': 'All Categories',
+    featured: 'Featured',
+    research: 'Research',
+    recruitment: 'Recruitment',
+    gettingStarted: 'Getting started',
+    masters: 'Masters',
+    playground: 'Playground',
+    analytics: 'Analytics',
+};
+
+module.exports = async (ctx) => {
+    const category = ctx.params.category || '';
+    const categoryText = categoryCodes[category];
+
+    const response = await got({
+        method: 'get',
+        url: `https://www.kaggle.com/competitions.json?sortBy=grouped&group=general&page=1&pageSize=20&category=${category}`,
+        headers: {
+            Referer: rootUrl,
+        },
+    });
+
+    const competitions = response.data.fullCompetitionGroups[1].competitions;
+    const out = competitions.map((item) => {
+        const title = item.competitionTitle;
+        const description = item.competitionDescription;
+        const author = item.organizationName;
+        const itemUrl = url.resolve(rootUrl, item.competitionUrl);
+
+        const single = {
+            link: itemUrl,
+            title: title,
+            author: author,
+            description: description,
+        };
+
+        return single;
+    });
+
+    ctx.state.data = {
+        title: `new competition-${categoryText}`,
+        link: 'https://www.kaggle.com/competitions',
+        item: out,
+    };
+};