MITS IMS Attendance

[V0_FILE]json:file="package.json" isEdit="true" isMerged="true" { "name": "mits-ims-attendance", "version": "1.0.0", "description": "Fetch attendance from MITS IMS portal with a small UI", "main": "server.js", "scripts": { "start": "node server.js" }, "engines": { "node": ">=18" }, "dependencies": { "express": "^4.19.2", "puppeteer": "^23.6.0" } } [V0_FILE]javascript:file="server.js" isEdit="true" isMerged="true" const express = require("express") const path = require("path") const puppeteer = require("puppeteer") const app = express() // Middleware app.use(express.json({ limit: "1mb" })) app.use(express.static(path.join(__dirname, "public"))) app.get("/health", (_req, res) => { res.status(200).send("ok") }) app.get("/", (_req, res) => { res.sendFile(path.join(__dirname, "public/index.html")) }) async function fetchAttendanceFromPortal(username, password) { let browser try { browser = await puppeteer.launch({ headless: true, args: ["--no-sandbox", "--disable-setuid-sandbox", "--disable-dev-shm-usage", "--disable-gpu"], // On Render, Puppeteer will download Chromium at build time. // If you provide a custom path via env, we'll use it. executablePath: process.env.PUPPETEER_EXECUTABLE_PATH || undefined, }) const page = await browser.newPage() page.setDefaultNavigationTimeout(60000) page.setDefaultTimeout(30000) // Go to portal await page.goto("http://mitsims.in/", { waitUntil: "domcontentloaded" }) // Click "Student" link by text (robustly queried in-page) await page.waitForSelector("body") const clicked = await page.evaluate(() => { const links = Array.from(document.querySelectorAll("a, button")) const target = links.find((el) => (el.textContent || "").trim().toLowerCase() === "student") if (target) { target.click() return true } return false }) if (!clicked) { throw new Error('Could not find "Student" link/button on the homepage.') } // Wait for navigation after clicking Student try { await page.waitForNavigation({ waitUntil: "networkidle0", timeout: 20000 }) } catch { // Some portals do SPA-style transitions; continue if fields are present } // Fill credentials await page.waitForSelector("#inputStuId", { timeout: 30000 }) await page.type("#inputStuId", username, { delay: 20 }) await page.waitForSelector("#inputPassword", { timeout: 30000 }) await page.type("#inputPassword", password, { delay: 20 }) // Click "Login" by button or submit the form const didLoginClick = await page.evaluate(() => { const btns = Array.from(document.querySelectorAll('button, input[type="submit"]')) const loginBtn = btns.find((b) => (b.textContent || "").trim().toLowerCase() === "login") || btns[0] if (loginBtn) { loginBtn.click() return true } // As a fallback, try to submit the form const form = document.querySelector("form") if (form) { form.submit() return true } return false }) if (!didLoginClick) { throw new Error("Could not find a login button or form to submit.") } // Wait for attendance elements to appear // Using one known ID from the original script: #displayfield-1133 await page.waitForSelector("#displayfield-1133", { timeout: 30000 }) // Scrape data const data = await page.evaluate(() => { const numSubjects = 13 const startNameId = 1130 const startPercentId = 1133 const step = 6 const subjects = [] for (let i = 0; i < numSubjects; i++) { const nameId = `displayfield-${startNameId + i * step}` const percentId = `displayfield-${startPercentId + i * step}` const nameEl = document.getElementById(nameId) const percentEl = document.getElementById(percentId) if (percentEl) { const raw = (percentEl.innerText || "").trim() const percent = Number.parseFloat(raw.replace(/[^\d.]/g, "")) || 0 let subjectName = "Subject Name Missing" if (nameEl && nameEl.innerText) { subjectName = nameEl.innerText.trim().replace(/:\s*$/, "").trim() } subjects.push({ subject: subjectName, percent }) } } const totalPercent = subjects.reduce((sum, s) => sum + s.percent, 0) const overall = subjects.length > 0 ? Number((totalPercent / subjects.length).toFixed(2)) : 0 return { subjects, overall } }) return data } catch (err) { console.error("[fetchAttendanceFromPortal] Error:", err.message) throw err } finally { if (browser) { try { await browser.close() } catch (closeErr) { console.error("[fetchAttendanceFromPortal] Browser close error:", closeErr.message) } } } } // API endpoint app.post("/fetch-attendance", async (req, res) => { const { username, password } = req.body || {} if (!username || !password) { return res.status(400).json({ success: false, error: "Username & password required" }) } try { const result = await fetchAttendanceFromPortal(username, password) res.json({ success: true, ...result }) } catch (err) { // You could refine by checking error text for credential errors if portal exposes it. res.status(500).json({ success: false, error: "Failed to fetch attendance. Check credentials, portal availability, or try again later.", }) } }) // Start server const PORT = process.env.PORT || 3000 app.listen(PORT, "0.0.0.0", () => { console.log(`[server] Running on port ${PORT}`) }) [V0_FILE]html:file="public/index.html" isEdit="true" isQuickEdit="true" MITS IMS Attendance