feat: add support for AtCoder

Author: StableAgOH

.eslintrc.json

@@ -18,7 +18,10 @@
     "rules": {
         "indent": [
             "error",
-            4
+            4,
+            {
+                "SwitchCase": 1
+            }
         ],
         "linebreak-style": [
             "error",
@@ -28,13 +31,7 @@
             "error",
             "double"
         ],
-        "semi": [
-            "error",
-            "always"
-        ],
-        "eol-last": [
-            "error",
-            "always"
-        ]
+        "semi": "error",
+        "eol-last": "error"
     }
 }

src/lib/contest.ts

@@ -1,9 +1,9 @@
-export type rule = "OI" | "IOI" | "ICPC" | "LeDuo" | "Codeforces"
+export type rule = "OI" | "IOI" | "ICPC" | "LeDuo" | "Codeforces" | "AtCoder";
 export type contest = {
     ojName: string;
     name: string;
     rule: rule;
     startTime: Date;
     endTime: Date;
     url: string;
-}
+};

src/lib/oj/atcoder.ts

@@ -0,0 +1,37 @@
+import axios from "axios";
+import * as cheerio from "cheerio";
+import { contest } from "../contest";
+import { oj } from ".";
+
+export const at: oj = {
+    name: "AtCoder",
+    get: async () => {
+        const response = await axios.get("https://atcoder.jp/contests");
+        const $ = cheerio.load(response.data);
+        const contests: contest[] = [];
+        $("#contest-table-upcoming table > tbody > tr").each(function () {
+            const ct: contest = {
+                ojName: at.name,
+                name: "",
+                rule: "AtCoder",
+                startTime: new Date(0),
+                endTime: new Date(0),
+                url: ""
+            };
+            $("td", this).each(function (idx) {
+                if (idx == 0) ct.startTime = new Date($(this).text());
+                else if (idx == 1) {
+                    const ele = $("a", this);
+                    ct.name = `${$("span:first", this).text()} ${ele.text()}`;
+                    ct.url = `https://atcoder.jp${ele.attr().href}`;
+                }
+                else if (idx == 2) {
+                    const [h, s] = $(this).text().split(":");
+                    ct.endTime = new Date(ct.startTime.getTime() + (parseInt(h) * 60 + parseInt(s)) * 1000);
+                }
+            });
+            contests.push(ct);
+        });
+        return contests;
+    }
+};

src/lib/oj/codeforces.ts

@@ -1,6 +1,6 @@
 import axios from "axios";
 import { contest, rule } from "../contest";
-import { oj } from "../oj";
+import { oj } from ".";
 
 type result = {
     id: string;

src/lib/oj.ts src/lib/oj/index.ts

@@ -1,17 +1,19 @@
-import { contest } from "./contest";
-import { cf } from "./oj/codeforces";
-import { lg } from "./oj/luogu";
-import { nc } from "./oj/nowcoder";
+import { contest } from "../contest";
+import { at } from "./atcoder";
+import { cf } from "./codeforces";
+import { lg } from "./luogu";
+import { nc } from "./nowcoder";
 
 export type oj = {
     name: string,
     get: () => Promise<contest[]>
 }
 
 export const alloj: { [abbr: string]: oj } = {
+    at,
     cf,
     lg,
-    nc
+    nc,
 };
 
 export function addOJ(abbr: string, oj: oj) {

src/lib/oj/luogu.ts

@@ -1,6 +1,6 @@
 import axios from "axios";
 import { contest, rule } from "../contest";
-import { oj } from "../oj";
+import { oj } from ".";
 
 type result = {
     ruleType: number;

src/lib/oj/nowcoder.ts

@@ -1,5 +1,6 @@
 import axios from "axios";
 import * as cheerio from "cheerio";
+import { oj } from ".";
 import { contest, rule } from "../contest";
 
 type result = {
@@ -69,10 +70,13 @@ const ruleRecord: Record<number, rule> = {
     2: "OI"
 };
 
-export const nc = {
+export const nc: oj = {
     name: "NowCoder",
     get: async () => {
-        const res: result[] = [...await getResultList(topCategoryFilter.NOWCODERSERIES), ...await getResultList(topCategoryFilter.SCHOOLCONTEST)];
+        const res: result[] = [
+            ...await getResultList(topCategoryFilter.NOWCODERSERIES),
+            ...await getResultList(topCategoryFilter.SCHOOLCONTEST)
+        ];
         return res.filter((res) => res.signUpEndCountDownTime > 0).map((res): contest => {
             return {
                 ojName: nc.name,