From bc35a1e937f9a7dd0c34dc8b8980ceef2e8dff36 Mon Sep 17 00:00:00 2001
From: Fatpandac <1779196284@qq.com>
Date: Sun, 23 Jan 2022 04:10:59 +0800
Subject: [PATCH] Add(route): add Codeforces contests (#8815)

Co-authored-by: HuangWei <huangwei.a180285@gmail.com>
Co-authored-by: DIYgod <diy.d.god@gmail.com>
---
 docs/en/programming.md                  |  6 ++++
 docs/programming.md                     |  6 ++++
 lib/v2/codeforces/contests.js           | 37 +++++++++++++++++++++++++
 lib/v2/codeforces/maintainer.js         |  3 ++
 lib/v2/codeforces/radar.js              | 13 +++++++++
 lib/v2/codeforces/router.js             |  3 ++
 lib/v2/codeforces/templates/contest.art | 11 ++++++++
 7 files changed, 79 insertions(+)
 create mode 100644 lib/v2/codeforces/contests.js
 create mode 100644 lib/v2/codeforces/maintainer.js
 create mode 100644 lib/v2/codeforces/radar.js
 create mode 100644 lib/v2/codeforces/router.js
 create mode 100644 lib/v2/codeforces/templates/contest.art

diff --git a/docs/en/programming.md b/docs/en/programming.md
index f3c78fdf90..8764e824a9 100644
--- a/docs/en/programming.md
+++ b/docs/en/programming.md
@@ -10,6 +10,12 @@ pageClass: routes
 
 <Route author="nczitzk" example="/acm/amturingaward" path="/acm/amturingaward"/>
 
+## Codeforces
+
+### Latest contests
+
+<RouteEn author="Fatpandac" example="/codeforces/contests" path="/codeforces/contests"/>
+
 ## AtCoder
 
 ### Present Contests
diff --git a/docs/programming.md b/docs/programming.md
index 736c52add9..0a1a6fd085 100644
--- a/docs/programming.md
+++ b/docs/programming.md
@@ -24,6 +24,12 @@ pageClass: routes
 
 > AlgoCasts 需要付费订阅，RSS 仅做更新提醒，不含付费内容.
 
+## Codeforces
+
+#### 最新比赛
+
+<Route author="Fatpandac" example="/codeforces/contests" path="/codeforces/contests"/>
+
 ## AtCoder
 
 ### Present Contests
diff --git a/lib/v2/codeforces/contests.js b/lib/v2/codeforces/contests.js
new file mode 100644
index 0000000000..82a6de86d0
--- /dev/null
+++ b/lib/v2/codeforces/contests.js
@@ -0,0 +1,37 @@
+const got = require('@/utils/got');
+const path = require('path');
+const { art } = require('@/utils/render');
+const timezone = require('@/utils/timezone');
+const { parseDate } = require('@/utils/parse-date');
+
+const contestAPI = 'https://codeforces.com/api/contest.list';
+
+module.exports = async (ctx) => {
+    const contestsData = await got.get(contestAPI).json();
+    const contests = contestsData.result;
+
+    const items = contests
+        .filter((contests) => contests.phase === 'BEFORE')
+        .map((contest) => {
+            const title = String(contest.name);
+            const description = art(path.join(__dirname, 'templates/contest.art'), {
+                title,
+                startTime: timezone(parseDate(contest.startTimeSeconds * 1000), +0),
+                durationTime: contest.durationSeconds / 60,
+                relativeTime: Math.floor(contest.relativeTimeSeconds / 60),
+                type: contest.type,
+            });
+
+            return {
+                title,
+                description,
+                link: 'https://codeforces.com/contests/' + contest.id,
+            };
+        });
+
+    ctx.state.data = {
+        title: 'Codeforces - Contests',
+        link: 'https://codeforces.com/contests',
+        item: items,
+    };
+};
diff --git a/lib/v2/codeforces/maintainer.js b/lib/v2/codeforces/maintainer.js
new file mode 100644
index 0000000000..1d57fdfe35
--- /dev/null
+++ b/lib/v2/codeforces/maintainer.js
@@ -0,0 +1,3 @@
+module.exports = {
+    '/contests': ['Fatpandac'],
+};
diff --git a/lib/v2/codeforces/radar.js b/lib/v2/codeforces/radar.js
new file mode 100644
index 0000000000..366f1178dd
--- /dev/null
+++ b/lib/v2/codeforces/radar.js
@@ -0,0 +1,13 @@
+module.exports = {
+    'codeforces.com': {
+        _name: 'Codeforces',
+        www: [
+            {
+                title: '最新比赛',
+                docs: 'https://docs.rsshub.app/programming.html#codeforces-zui-xin-bi-sai',
+                source: ['/contests'],
+                target: '/codeforces/contests',
+            },
+        ],
+    },
+};
diff --git a/lib/v2/codeforces/router.js b/lib/v2/codeforces/router.js
new file mode 100644
index 0000000000..2c28d05ceb
--- /dev/null
+++ b/lib/v2/codeforces/router.js
@@ -0,0 +1,3 @@
+module.exports = function (router) {
+    router.get('/contests', require('./contests'));
+};
diff --git a/lib/v2/codeforces/templates/contest.art b/lib/v2/codeforces/templates/contest.art
new file mode 100644
index 0000000000..f590caa7fd
--- /dev/null
+++ b/lib/v2/codeforces/templates/contest.art
@@ -0,0 +1,11 @@
+<text>比赛：{{ title }}</text>
+<br>
+<text>开始时间：{{ startTime }}</text>
+<br>
+<text>持续时间：{{ durationTime }} 分钟</text>
+<br>
+<text>相对时间：{{ relativeTime }} 分钟</text>
+<br>
+<text>比赛类型：{{ type }}</text>
+<br>
+