80 lines
2.6 KiB
PHP
80 lines
2.6 KiB
PHP
<?php
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// ============================================================
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// core/Database/Database.php — Lazy PDO Singleton (Refactored)
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// يدعم قواعد بيانات متعددة لكل منها Host/User/Pass مختلف
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// ============================================================
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class Database
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{
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private static array $instances = [];
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// خريطة الربط مع متغيرات البيئة (ENV)
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private static array $map = [
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'main' => [
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'name' => 'DB_PRIMARY_NAME_V2',
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'host' => 'DB_PRIMARY_HOST_V2',
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'user' => 'DB_PRIMARY_USER_V2',
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'pass' => 'DB_PRIMARY_PASS_V2',
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],
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'tracking' => [
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'name' => 'dbname_track',
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'host' => 'DB_TRACKING_HOST',
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'user' => 'DB_TRACKING_USER',
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'pass' => 'DB_TRACKING_PASS',
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],
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'ride' => [
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'name' => 'dbname_ride',
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'host' => 'DB_RIDE_HOST',
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'user' => 'DB_RIDE_USER',
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'pass' => 'DB_RIDE_PASS',
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],
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];
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public static function get(string $name = 'main'): PDO
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{
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if (!isset(self::$instances[$name])) {
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self::$instances[$name] = self::connect($name);
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}
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return self::$instances[$name];
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}
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private static function connect(string $name): PDO
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{
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if (!isset(self::$map[$name])) {
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throw new InvalidArgumentException("Unknown database: $name");
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}
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$cfg = self::$map[$name];
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$dbname = getenv($cfg['name']);
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$host = getenv($cfg['host']) ?: 'localhost';
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$user = getenv($cfg['user']);
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$pass = getenv($cfg['pass']);
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if (!$dbname || !$user) {
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error_log("[FATAL] Database config missing for: $name (Check ENV keys: {$cfg['name']}, {$cfg['user']})");
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throw new RuntimeException("Database configuration error.");
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}
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$dsn = "mysql:host=$host;dbname=$dbname;charset=utf8mb4";
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$options = [
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PDO::ATTR_EMULATE_PREPARES => false,
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
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PDO::ATTR_PERSISTENT => true,
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PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8mb4 COLLATE utf8mb4_unicode_ci",
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PDO::ATTR_TIMEOUT => 10,
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];
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try {
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return new PDO($dsn, $user, $pass, $options);
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} catch (PDOException $e) {
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error_log("[DB] Connection failed ($name) at $host: " . $e->getMessage());
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throw $e;
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}
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}
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private function __construct() {}
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private function __clone() {}
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}
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