Backup: old custom PHP API code removed from fahrschultermin.de

backup/old_api_20260520/app/Support/Database.php

@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Support;
+
+use PDO;
+use PDOException;
+
+final class Database
+{
+    private static ?PDO $connection = null;
+    private static array $config = [];
+
+    public static function configure(array $config): void
+    {
+        self::$config = $config;
+        self::$connection = null; // reset on reconfigure
+    }
+
+    public static function connection(): PDO
+    {
+        if (self::$connection instanceof PDO) {
+            return self::$connection;
+        }
+
+        $driver = self::$config['db_driver'] ?? 'sqlite';
+
+        if ($driver === 'pgsql') {
+            $host = self::$config['db_host'] ?? '127.0.0.1';
+            $port = self::$config['db_port'] ?? '5432';
+            $dbname = self::$config['db_database'] ?? '';
+            $user = self::$config['db_username'] ?? '';
+            $password = self::$config['db_password'] ?? '';
+
+            $dsn = "pgsql:host={$host};port={$port};dbname={$dbname}";
+            self::$connection = new PDO($dsn, $user, $password);
+        } else {
+            $path = self::$config['db_path'] ?? self::$config['db_path'] ?? '';
+            $directory = dirname($path);
+            if (!is_dir($directory)) {
+                mkdir($directory, 0775, true);
+            }
+            self::$connection = new PDO('sqlite:' . $path);
+            self::$connection->exec('PRAGMA foreign_keys = ON');
+        }
+
+        self::$connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+        self::$connection->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
+
+        return self::$connection;
+    }
+
+    public static function isPostgres(): bool
+    {
+        return (self::$config['db_driver'] ?? 'sqlite') === 'pgsql';
+    }
+
+    public static function lastInsertId(): string
+    {
+        if (self::isPostgres()) {
+            return self::$connection->query('SELECT lastval()')->fetchColumn();
+        }
+        return self::$connection->lastInsertId();
+    }
+}