Initial commit: Uruk Prize Platform architecture, backend core, mobile app, gateway caller & deployment pipeline

2026-09-18 17:12:05 +03:00
commit 879dd36f1b
1149 changed files with 97122 additions and 0 deletions
@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Core;
+
+use PDO;
+use PDOException;
+use RuntimeException;
+
+class Database
+{
+    private static ?PDO $instance = null;
+
+    private function __construct() {}
+    private function __clone() {}
+
+    public static function getConnection(): PDO
+    {
+        if (self::$instance === null) {
+            $config = require __DIR__ . '/../config/database.php';
+            $dsn = sprintf(
+                'mysql:host=%s;port=%d;dbname=%s;charset=%s',
+                $config['host'],
+                $config['port'],
+                $config['database'],
+                $config['charset']
+            );
+
+            try {
+                self::$instance = new PDO(
+                    $dsn,
+                    $config['username'],
+                    $config['password'],
+                    $config['options']
+                );
+            } catch (PDOException $e) {
+                throw new RuntimeException('Database Connection Failed: ' . $e->getMessage(), (int)$e->getCode());
+            }
+        }
+
+        return self::$instance;
+    }
+}