Add(route): add Codeforces contests (#8815)

Co-authored-by: HuangWei <huangwei.a180285@gmail.com>
Co-authored-by: DIYgod <diy.d.god@gmail.com>

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,
+    };
+};