Basic implementation of Codeforces contest reminders

Signed-off-by: adithyagenie <adithyagenie@gmail.com>
This commit is contained in:
adithyagenie 2024-06-13 20:36:30 +05:30
parent deca1f0045
commit 4119d8a143
Signed by: adithyagenie
GPG key ID: C66E41599E458D96
7 changed files with 175 additions and 2 deletions

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@ -17,7 +17,8 @@
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"fastify": "^4.27.0",
"leetcode-query": "^1.2.3"
"leetcode-query": "^1.2.3",
"codeforces-api-ts": "^3.0.1"
},
"devDependencies": {
"@grammyjs/types": "^3.8.0",

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@ -8,6 +8,9 @@ dependencies:
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codeforces-api-ts:
specifier: ^3.0.1
version: 3.0.1
dotenv:
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version: 16.4.5
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17
src/api/cfFetch.ts Normal file
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@ -0,0 +1,17 @@
import { CodeforcesAPI } from "codeforces-api-ts";
export async function cfFetchContests(): Promise<{ name: string; startTime: number; id: number }[]> {
const res = await CodeforcesAPI.call("contest.list", {});
if (res.status == "OK") {
let futureContests = res.result.filter(o => o.phase == "BEFORE");
futureContests.filter(o => o.name.includes("Codeforces") && o.name.includes("Div. ") && o.startTimeSeconds !== undefined);
return futureContests.map((o) => ({
name: o.name,
id: o.id,
startTime: o.startTimeSeconds as number
}));
}
else {
throw new Error("Unable to reach Codeforces API :(");
}
}

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@ -1,4 +1,5 @@
import { bot } from "../bot";
import { CodeforcesAPI } from "codeforces-api-ts";
export async function reminderContestLC(contestName: string, contestKey: string): Promise<void> {
await bot.api.sendMessage(parseInt(process.env.CHAT_ID as string),
@ -10,4 +11,14 @@ export async function reminderContestCodeChef(): Promise<void> {
await bot.api.sendMessage(parseInt(process.env.CHAT_ID as string),
`CodeChef contest is in ~10 minutes.\n
Attend the contest here: https://www.codechef.com/contests/`);
}
export async function reminderContestCF(contestName: string, contestID: number, contestTime: Date) {
let options: {timeZone: string, timeStyle: "short"} = {
timeZone: 'Asia/Calcutta',
timeStyle: "short"
};
await bot.api.sendMessage(parseInt(process.env.CHAT_ID as string),
`${contestName} at ${new Date(contestTime).toLocaleTimeString('en-US', options)} IST starts in ~10 minutes.
Attend the contest here: https://codeforces.com/contests/${contestID}`);
}

18
src/helpers/cfSchedule.ts Normal file
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@ -0,0 +1,18 @@
import { cfFetchContests } from "../api/cfFetch";
import { scheduleJob } from "node-schedule";
import { reminderContestCF } from "../bot/commands/contestRem";
export async function cfSchedule() {
const contests = await cfFetchContests();
if (contests.length === 0) {
console.log("No codeforces contests found!");
return;
}
for (let contest of contests) {
const contestRemTime = new Date((contest.startTime - 600) * 1000);
const contestTime = new Date(contest.startTime * 1000);
scheduleJob(`${contest.name}`, contestRemTime, reminderContestCF.bind(null, contest.name, contest.id, contestTime));
}
console.log("Codeforces contests scheduled!");
}

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@ -20,7 +20,6 @@ function getNextBiweeklyDate(): Date {
export async function lcSchedule() {
await gracefulShutdown();
const contestNames = await fetchLCContests();
const biweekly = contestNames.filter(o =>
o.key.match(/^biweekly-contest-(\d+)$/)

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@ -1,7 +1,11 @@
import { lcSchedule } from "./lcSchedule";
import { ccSchedule } from "./ccSchedule";
import { cfSchedule } from "./cfSchedule";
import { gracefulShutdown } from "node-schedule";
export async function contestScheduler() {
await gracefulShutdown();
await lcSchedule();
ccSchedule();
await cfSchedule();
}