feat: initial foundation for collaborative canteen ordering system in vanilla PHP

public/index.php

@@ -0,0 +1,76 @@
+<?php
+
+declare(strict_types=1);
+
+// Handle PHP built-in web server static files directly
+if (php_sapi_name() === 'cli-server') {
+    $path = parse_url($_SERVER['REQUEST_URI'] ?? '', PHP_URL_PATH);
+    $file = __DIR__ . $path;
+    if ($path !== '/' && file_exists($file) && !is_dir($file)) {
+        return false;
+    }
+}
+
+// Error reporting settings
+error_reporting(E_ALL);
+ini_set('display_errors', '1');
+
+// Register Autoloader & Global Helpers
+require_once __DIR__ . '/../app/Core/Autoloader.php';
+require_once __DIR__ . '/../app/Core/Helpers.php';
+\App\Core\Autoloader::register();
+\App\Core\Autoloader::addNamespace('App', __DIR__ . '/../app');
+
+// Load environment configuration
+\App\Core\Config::load(__DIR__ . '/../.env');
+
+// Initialize Database Schema & Seed Data
+\App\Core\Database\Database::initSchema();
+
+// Initialize Request, Response, and Router
+$request = new \App\Core\Http\Request();
+$response = new \App\Core\Http\Response();
+$router = new \App\Core\Routing\Router();
+
+// Define Routes
+// Authentication
+$router->get('/login', [\App\Controllers\AuthController::class, 'loginForm']);
+$router->post('/login', [\App\Controllers\AuthController::class, 'login']);
+$router->post('/quick-login', [\App\Controllers\AuthController::class, 'quickLogin']);
+$router->get('/register', [\App\Controllers\AuthController::class, 'registerForm']);
+$router->post('/register', [\App\Controllers\AuthController::class, 'register']);
+$router->post('/logout', [\App\Controllers\AuthController::class, 'logout']);
+
+// Daily Food & Canteen Sessions
+$router->get('/', [\App\Controllers\SessionController::class, 'index']);
+$router->get('/sessions/create', [\App\Controllers\SessionController::class, 'createForm']);
+$router->post('/sessions', [\App\Controllers\SessionController::class, 'store']);
+$router->get('/sessions/history', [\App\Controllers\SessionController::class, 'history']);
+$router->get('/sessions/{id}', [\App\Controllers\SessionController::class, 'show']);
+$router->post('/sessions/{id}/status', [\App\Controllers\SessionController::class, 'updateStatus']);
+$router->post('/sessions/{id}/add-menu', [\App\Controllers\SessionController::class, 'addMenu']);
+$router->post('/sessions/{id}/delete-menu', [\App\Controllers\SessionController::class, 'deleteMenu']);
+$router->post('/sessions/{id}/settle-prices', [\App\Controllers\SessionController::class, 'settlePrices']);
+
+// Employee Self-Orders
+$router->post('/employee-orders', [\App\Controllers\EmployeeOrderController::class, 'store']);
+$router->post('/employee-orders/{id}/toggle-paid', [\App\Controllers\EmployeeOrderController::class, 'togglePaid']);
+$router->post('/employee-orders/{id}/delete', [\App\Controllers\EmployeeOrderController::class, 'delete']);
+
+// Coworkers & Balances
+$router->get('/employees', [\App\Controllers\EmployeeController::class, 'index']);
+
+// 404 Fallback
+$router->setNotFound(function ($req, $res) {
+    return $res->setStatusCode(404)->setContent(
+        '<div style="text-align:center; padding: 4rem; font-family: sans-serif;">
+            <h1>404 - Page Not Found</h1>
+            <p>The page or food session you requested does not exist.</p>
+            <p><a href="/" style="color: #4f46e5; text-decoration: none; font-weight: 600;">&larr; Back to Food Sessions</a></p>
+        </div>'
+    );
+});
+
+// Dispatch and send response
+$result = $router->dispatch($request, $response);
+$result->send();