feat: Initial Commit

Adds a very basic express server that will post a message with the leetcode problem of the day to the recurse center zulip instance

Author: RodEsp

.gitignore

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+node_modules/
+zuliprc

bot.js

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+import zulipInit from 'zulip-js';
+
+import { request } from 'graphql-request';
+import cron from 'node-cron';
+
+import { dailyCodingQuestions, problemListByCategory, questionOfTheDay } from './queries.js';
+
+const baseUrl = 'https://leetcode.com';
+
+const zulipClient = await zulipInit({ zuliprc: 'zuliprc' });
+
+class LeetCodeBot {
+	static async run () {
+		// Schedule the task to run every day at 10:00 AM
+		cron.schedule('0 10 * * *', async () => {
+			console.log('Getting leetcode questions for today');
+
+			try {
+				const data = (await request(`${baseUrl}/graphql`, questionOfTheDay)).activeDailyCodingChallengeQuestion;
+
+				const message = `${new Date().toLocaleDateString('en-US', { weekday: 'long', day: 'numeric', month: 'short' })}
+### [${data.question.title}](${baseUrl}${data.link})
+> (${data.question.difficulty}) | ${data.question.topicTags.map((tag) => tag.name).join(', ')}`;
+
+				await this.postMessageToZulip(message);
+			} catch (error) {
+				console.log('Error fetching the problem of the day:', error);
+			}
+		});
+	}
+
+	static async postMessageToZulip (message) {
+		let params = {
+			to: 'Daily LeetCode',
+			type: 'stream',
+			topic: "Daily Leetcode Problem",
+			content: message,
+		};
+
+		try {
+			console.log(await zulipClient.messages.send(params));
+		} catch (error) {
+			console.error('Error posting message:', error);
+		}
+	}
+}
+
+
+export default LeetCodeBot;