Files
nabeh/backend/app/Core/Database.php
2026-05-21 00:40:47 +03:00

100 lines
2.7 KiB
PHP

<?php
namespace App\Core;
use PDO;
use PDOException;
/**
* PDO Database wrapper using Singleton pattern.
*/
class Database
{
private static ?PDO $instance = null;
/**
* Get active PDO database instance
*
* @return PDO
* @throws PDOException
*/
public static function getConnection(): PDO
{
if (self::$instance === null) {
$host = getenv('DB_HOST') ?: '127.0.0.1';
$port = getenv('DB_PORT') ?: '3306';
$dbName = getenv('DB_DATABASE') ?: 'nabeh_master';
$username = getenv('DB_USERNAME') ?: 'root';
$password = getenv('DB_PASSWORD') ?: '';
$dsn = "mysql:host={$host};port={$port};dbname={$dbName};charset=utf8mb4";
$options = [
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
PDO::ATTR_EMULATE_PREPARES => false,
];
try {
self::$instance = new PDO($dsn, $username, $password, $options);
} catch (PDOException $e) {
// Log the exact error internally but hide sensitive DSN on production
error_log("Database Connection Error: " . $e->getMessage());
throw new PDOException("Could not connect to the database. Check database settings.");
}
}
return self::$instance;
}
/**
* Shorthand execute statement with parameters
*
* @param string $sql
* @param array $params
* @return \PDOStatement
*/
public static function query(string $sql, array $params = []): \PDOStatement
{
$pdo = self::getConnection();
$stmt = $pdo->prepare($sql);
$stmt->execute($params);
return $stmt;
}
/**
* Retrieve all matching records
*/
public static function select(string $sql, array $params = []): array
{
return self::query($sql, $params)->fetchAll();
}
/**
* Retrieve single matching record
*/
public static function selectOne(string $sql, array $params = [])
{
return self::query($sql, $params)->fetch() ?: null;
}
/**
* Insert record and return last inserted ID
*/
public static function insert(string $sql, array $params = []): string
{
$pdo = self::getConnection();
$stmt = $pdo->prepare($sql);
$stmt->execute($params);
return $pdo->lastInsertId();
}
/**
* Execute generic non-query SQL (Update/Delete) and return affected rows
*/
public static function execute(string $sql, array $params = []): int
{
return self::query($sql, $params)->rowCount();
}
}