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1 change: 1 addition & 0 deletions src/pages/dashboard/Leaderboard_backend/.gitignore
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node_modules/
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const axios = require("axios");
const fs = require("fs");
require("dotenv").config();

const ORG_NAME = "recodehive";
let leaderboard = {};

const timer = ms => new Promise(res => setTimeout(res, ms));

async function generateOrgLeaderboard() {
Comment on lines +6 to +10
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Copilot AI Sep 10, 2025

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The leaderboard object is declared at module level, which means it will accumulate data across multiple function calls without being reset. This will cause duplicate entries and incorrect scores when the function runs multiple times.

Suggested change
let leaderboard = {};
const timer = ms => new Promise(res => setTimeout(res, ms));
async function generateOrgLeaderboard() {
const timer = ms => new Promise(res => setTimeout(res, ms));
async function generateOrgLeaderboard() {
let leaderboard = {};

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try {
let repos = await axios.get(
`https://api.github.com/orgs/${ORG_NAME}/repos?per_page=100`,
{
headers: { Authorization: "token " + process.env.GIT_TOKEN }
}
);

for (let repo of repos.data) {
let repoFullName = repo.full_name; // recodehive/repoName
console.log(`Fetching PRs for ${repoFullName}`);

try {
let response = await axios.get(
`https://api.github.com/search/issues?q=repo:${repoFullName}+is:pr+is:merged&per_page=100`,
{ headers: { Authorization: "token " + process.env.GIT_TOKEN } }
);

let prs = response.data.items;

for (let pr of prs) {
let user = pr.user;

if (!leaderboard[user.id]) {
leaderboard[user.id] = {
avatar_url: user.avatar_url,
login: user.login,
url: user.html_url,
score: 0,
// postManTag: false, // keep if needed
pr_urls: []
};
}

if (!leaderboard[user.id].pr_urls.includes(pr.html_url)) {
leaderboard[user.id].pr_urls.push(pr.html_url);
leaderboard[user.id].score += 10; // scoring rule (static here)
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[nitpick] The score value (10) is a magic number. Consider defining this as a named constant at the top of the file for better maintainability.

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}
}
} catch (err) {
console.log(`Error fetching PRs for ${repoFullName}`, err.message);
}

// small delay to avoid hitting GitHub rate limits
await timer(3000);
}

// Convert to array, add rank + PR count
let leaderboardArray = Object.values(leaderboard)
.map(u => ({
...u,
no_of_prs: u.pr_urls.length
}))
.sort((a, b) => b.score - a.score)
.map((u, i) => ({
rank: i + 1,
...u
}));

let json = {
leaderboard: leaderboardArray,
success: true,
updatedAt: +new Date(),
generated: true,
updatedTimestring: new Date().toLocaleString()
};

fs.writeFileSync("org_leaderboard.json", JSON.stringify(json, null, 2));
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Using synchronous file operations (writeFileSync) in an async function can block the event loop. Consider using fs.promises.writeFile or fs.writeFile with a callback for better performance.

Suggested change
fs.writeFileSync("org_leaderboard.json", JSON.stringify(json, null, 2));
await fs.promises.writeFile("org_leaderboard.json", JSON.stringify(json, null, 2));

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console.log("recodehive leaderboard generated!");
} catch (error) {
console.error("Failed to generate leaderboard:", error.message);
}
}

module.exports.generateOrgLeaderboard = generateOrgLeaderboard;

// if (require.main === module) {
// generateOrgLeaderboard(); //Added to test the function directly
// }
23 changes: 23 additions & 0 deletions src/pages/dashboard/Leaderboard_backend/jobs/update_leaderboard.js
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const schedule = require('node-schedule');
const { generateOrgLeaderboard } = require("../functions/org_leaderboard");



function updateOrgLeaderboardJob() {
// Cron format: second, minute, hour, day of month, month, day of week
// This runs every day at 00:00:00 (midnight)
schedule.scheduleJob('0 0 0 * * *', async function () {
console.log("========");
console.log("Starting leaderboard update job...");
console.log("========");

try {
await generateOrgLeaderboard();
console.log("Leaderboard updated successfully!");
} catch (err) {
console.error("Leaderboard update failed:", err.message);
}
});
}

module.exports.updateOrgLeaderboardJob = updateOrgLeaderboardJob;
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