Initial commit

src-backup/includes/database.php

@@ -0,0 +1,38 @@
+<?php
+// Database configuration (use env vars for Docker)
+$host = getenv('DB_HOST') ?: '127.0.0.1';
+$dbname = getenv('DB_NAME') ?: 'attendance_system';
+$username = getenv('DB_USER') ?: 'root';
+$password = getenv('DB_PASS') !== false ? getenv('DB_PASS') : '';
+
+try {
+    // Create PDO connection
+    $pdo = new PDO(
+        "mysql:host=$host;dbname=$dbname;charset=utf8mb4",
+        $username,
+        $password,
+        [
+            PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+            PDO::ATTR_EMULATE_PREPARES => false
+        ]
+    );
+    
+    // Optional: Set timezone
+    $pdo->exec("SET time_zone = '+08:00'");
+    
+    // Uncomment for debugging
+    // error_log("Database connected successfully");
+    
+} catch (PDOException $e) {
+    // Log the error and show user-friendly message
+    error_log("Database connection failed: " . $e->getMessage());
+    
+    // For development - show detailed error
+    if (isset($_SESSION['role']) && $_SESSION['role'] === 'admin') {
+        die("Database connection failed: " . $e->getMessage());
+    } else {
+        die("System temporarily unavailable. Please try again later.");
+    }
+}
+?>