96 lines
2.7 KiB
JavaScript
96 lines
2.7 KiB
JavaScript
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const express = require("express");
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const bodyParser = require("body-parser");
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const fs = require("fs");
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const path = require("path");
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require("dotenv").config();
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const app = express();
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const PORT = 3000;
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const DATA_PATH = path.join(__dirname, "data", "packages.json");
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const PASSWORD = process.env.ADMIN_PASSWORD;
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app.set("view engine", "ejs");
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app.use(bodyParser.urlencoded({ extended: true }));
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app.use(express.static("public"));
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function loadPackages() {
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return JSON.parse(fs.readFileSync(DATA_PATH));
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}
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function savePackages(data) {
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fs.writeFileSync(DATA_PATH, JSON.stringify(data, null, 2));
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}
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// Homepage - tracking form
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app.get("/", (req, res) => {
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res.sendFile(path.join(__dirname, "public", "index.html"));
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});
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// Handle tracking request (POST)
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app.post("/track", (req, res) => {
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const id = req.body.id?.trim(); // Get package ID from the form submission
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if (!id) return res.send("Invalid tracking ID");
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const packages = loadPackages();
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const pack = packages.find(p => p.id === id);
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if (!pack) return res.send(`<p>ID not found</p><a href="/">Back</a>`);
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// Prepare data to be passed to the view
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const latest = pack.updates[pack.updates.length - 1];
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const history = [...pack.updates].reverse();
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// Estimate delivery time (3 days from last update)
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const estimatedDeliveryDate = new Date();
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estimatedDeliveryDate.setDate(estimatedDeliveryDate.getDate() + 3); // Add 3 days
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const estimatedDeliveryTime = `Estimated Delivery Date: ${estimatedDeliveryDate.toLocaleDateString()}`;
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// Render track.ejs with the package data
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res.render("track", { package: pack, latest, history, estimatedDeliveryTime });
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});
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// Admin login form
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app.get("/admin", (req, res) => {
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res.render("admin", { packages: null, error: null });
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});
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// Admin password check
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app.post("/admin", (req, res) => {
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const { password } = req.body;
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if (password !== PASSWORD) {
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return res.render("admin", { packages: null, error: "Wrong password" });
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}
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const packages = loadPackages();
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res.render("admin", { packages, error: null });
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});
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// Handle updates
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app.post("/update", (req, res) => {
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const { id, progress, status, password } = req.body;
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if (password !== PASSWORD) return res.send("Invalid password");
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const now = new Date().toISOString().replace("T", " ").slice(0, 16);
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const update = {
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progress: parseInt(progress),
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status,
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time: now
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};
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const packages = loadPackages();
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const pack = packages.find(p => p.id === id);
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if (pack) {
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pack.updates.push(update);
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} else {
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packages.push({ id, updates: [update] });
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}
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savePackages(packages);
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res.redirect("/admin");
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});
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app.listen(PORT, () => {
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console.log(`🚀 Courier tracker running at http://localhost:${PORT}`);
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});
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