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

@@ -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

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

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,
+    };
+};

lib/v2/codeforces/maintainer.js

@@ -0,0 +1,3 @@
+module.exports = {
+    '/contests': ['Fatpandac'],
+};

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',
+            },
+        ],
+    },
+};

lib/v2/codeforces/router.js

@@ -0,0 +1,3 @@
+module.exports = function (router) {
+    router.get('/contests', require('./contests'));
+};

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>
+