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| const express = require('express'); | |
| const axios = require('axios'); | |
| const { parseStudentData } = require('./contentModel.js'); | |
| const app = express(); | |
| const PORT = 7860; | |
| // Middleware | |
| app.use(express.static('public')); | |
| app.use(express.urlencoded({ extended: true })); | |
| app.use((req, res, next) => { | |
| res.header({ | |
| "Access-Control-Allow-Origin": "106.77.189.65", | |
| "Access-Control-Allow-Methods": "GET, OPTIONS", | |
| "Access-Control-Allow-Headers": "Content-Type", | |
| }); | |
| next(); | |
| }); | |
| // API Endpoint | |
| app.get('/fetch-regno-:regno', async (req, res) => { | |
| try { | |
| const { regno } = req.params; | |
| // Validate registration number | |
| if (!/^\d{11}$/.test(regno)) { | |
| return res.status(400).json({ | |
| error: "Invalid registration number format", | |
| example: "22104134026" | |
| }); | |
| } | |
| // Fetch data with retries | |
| const html = await fetchWithRetries(regno); | |
| if (!html) return res.status(404).json({ error: "Result not found" }); | |
| // Parse and return | |
| const result = parseStudentData(html, regno); | |
| res.json(result); | |
| } catch (error) { | |
| res.status(500).json({ | |
| error: "Server error", | |
| details: error.message | |
| }); | |
| } | |
| }); | |
| // Search Endpoint (Web Interface) | |
| app.get('/search', async (req, res) => { | |
| try { | |
| const regno = req.query.regno; | |
| if (!regno) return res.redirect('/'); | |
| const apiResponse = await axios.get(`http://localhost:${PORT}/fetch-regno-${regno}`); | |
| const result = apiResponse.data; | |
| res.send(` | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Result for ${regno}</title> | |
| <link rel="stylesheet" href="/style.css"> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <h1>Student Result</h1> | |
| <div class="result-box"> | |
| <p><strong>Name:</strong> ${result.student_name}</p> | |
| <p><strong>Registration No:</strong> ${regno}</p> | |
| <p><strong>SGPA:</strong> ${result.sgpa}</p> | |
| <p><strong>College:</strong> ${result.college_name}</p> | |
| <p><strong>Course:</strong> ${result.course_name}</p> | |
| </div> | |
| <a href="/" class="button">Check Another</a> | |
| </div> | |
| </body> | |
| </html> | |
| `); | |
| } catch (error) { | |
| res.status(error.response?.status || 500).send(` | |
| <!DOCTYPE html> | |
| <html> | |
| <head><title>Error</title><link rel="stylesheet" href="/style.css"></head> | |
| <body> | |
| <div class="container"> | |
| <h1>Error ${error.response?.status || ''}</h1> | |
| <div class="error-box"> | |
| <p>${error.response?.data?.error || 'Something went wrong'}</p> | |
| <a href="/" class="button">Try Again</a> | |
| </div> | |
| </div> | |
| </body> | |
| </html> | |
| `); | |
| } | |
| }); | |
| // Helper function with retries | |
| async function fetchWithRetries(regno) { | |
| const url = `https://results.beup.ac.in/ResultsBTech1stSem2023_B2023Pub.aspx?Sem=I&RegNo=${regno}`; | |
| let retries = 3; | |
| let delay = 1000; | |
| for (let attempt = 0; attempt < retries; attempt++) { | |
| try { | |
| const response = await axios.get(url, { | |
| timeout: 10000, | |
| headers: { | |
| 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36', | |
| 'Referer': 'https://results.beup.ac.in/' | |
| } | |
| }); | |
| if (response.data.includes("No Record Found !!!")) return null; | |
| return response.data; | |
| } catch (error) { | |
| if (attempt === retries - 1) throw error; | |
| await new Promise(resolve => setTimeout(resolve, delay)); | |
| delay *= 2; | |
| } | |
| } | |
| } | |
| app.listen(PORT, () => console.log(`Server running on port ${PORT}`)); |