first commit

2026-06-09 08:40:31 +03:00
commit d8901e1a87
3161 changed files with 536187 additions and 0 deletions
--- a/backend/core/Database/Database.php
+++ b/backend/core/Database/Database.php
@@ -0,0 +1,79 @@
+<?php
+// ============================================================
+// core/Database/Database.php — Lazy PDO Singleton (Refactored)
+// يدعم قواعد بيانات متعددة لكل منها Host/User/Pass مختلف
+// ============================================================
+
+class Database
+{
+    private static array $instances = [];
+
+    // خريطة الربط مع متغيرات البيئة (ENV)
+    private static array $map = [
+        'main' => [
+            'name' => 'DB_PRIMARY_NAME_V2',
+            'host' => 'DB_PRIMARY_HOST_V2',
+            'user' => 'DB_PRIMARY_USER_V2',
+            'pass' => 'DB_PRIMARY_PASS_V2',
+        ],
+        'tracking' => [
+            'name' => 'DB_TRACKING_NAME',
+            'host' => 'DB_TRACKING_HOST',
+            'user' => 'DB_TRACKING_USER',
+            'pass' => 'DB_TRACKING_PASS',
+        ],
+        'ride' => [
+            'name' => 'DB_RIDE_NAME',
+            'host' => 'DB_RIDE_HOST',
+            'user' => 'DB_RIDE_USER',
+            'pass' => 'DB_RIDE_PASS',
+        ],
+    ];
+
+    public static function get(string $name = 'main'): PDO
+    {
+        if (!isset(self::$instances[$name])) {
+            self::$instances[$name] = self::connect($name);
+        }
+        return self::$instances[$name];
+    }
+
+    private static function connect(string $name): PDO
+    {
+        if (!isset(self::$map[$name])) {
+            throw new InvalidArgumentException("Unknown database: $name");
+        }
+
+        $cfg = self::$map[$name];
+        
+        $dbname = getenv($cfg['name']);
+        $host   = getenv($cfg['host']) ?: 'localhost';
+        $user   = getenv($cfg['user']);
+        $pass   = getenv($cfg['pass']);
+
+        if (!$dbname || !$user) {
+            error_log("[FATAL] Database config missing for: $name (Check ENV keys: {$cfg['name']}, {$cfg['user']})");
+            throw new RuntimeException("Database configuration error.");
+        }
+
+        $dsn = "mysql:host=$host;dbname=$dbname;charset=utf8mb4";
+        $options = [
+            PDO::ATTR_EMULATE_PREPARES   => false,
+            PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
+            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+            PDO::ATTR_PERSISTENT         => true,
+            PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8mb4 COLLATE utf8mb4_unicode_ci",
+            PDO::ATTR_TIMEOUT            => 10,
+        ];
+
+        try {
+            return new PDO($dsn, $user, $pass, $options);
+        } catch (PDOException $e) {
+            error_log("[DB] Connection failed ($name) at $host: " . $e->getMessage());
+            throw $e;
+        }
+    }
+
+    private function __construct() {}
+    private function __clone() {}
+}