weitere Bearibeitung

2026-06-17 16:45:14 +02:00
parent 06645f1e9c
commit 1891ec0a51
38 changed files with 2720 additions and 109 deletions
@@ -0,0 +1,123 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Core;
+
+use PDO;
+use PDOException;
+use RuntimeException;
+
+/**
+ * SQLite-basierte Datenbank für Test-/Entwicklungsumgebungen.
+ * Ersetzt die MySQL-Database-Klasse und emuliert MySQL-spezifische Features.
+ */
+final class DatabaseSqlite implements DatabaseInterface
+{
+    private ?PDO $pdo = null;
+    private readonly string $dbPath;
+
+    public function __construct(private readonly array $config = [])
+    {
+        $this->dbPath = $this->config['path']
+            ?? dirname(__DIR__, 2) . '/storage/database.sqlite';
+    }
+
+    public function pdo(): PDO
+    {
+        if ($this->pdo instanceof PDO) {
+            return $this->pdo;
+        }
+
+        $dbDir = dirname($this->dbPath);
+
+        if (!is_dir($dbDir) && !mkdir($dbDir, 0775, true) && !is_dir($dbDir)) {
+            throw new RuntimeException('Das Datenbank-Verzeichnis konnte nicht erstellt werden: ' . $dbDir);
+        }
+
+        try {
+            $this->pdo = new PDO(
+                'sqlite:' . $this->dbPath,
+                null,
+                null,
+                [
+                    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+                    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+                    PDO::ATTR_EMULATE_PREPARES => false,
+                ]
+            );
+
+            $this->pdo->exec('PRAGMA journal_mode=WAL');
+            $this->pdo->exec('PRAGMA foreign_keys=ON');
+            $this->pdo->exec('PRAGMA busy_timeout=5000');
+        } catch (PDOException $exception) {
+            throw new PDOException(
+                'SQLite connection failed: ' . $exception->getMessage(),
+                (int) $exception->getCode(),
+                $exception
+            );
+        }
+
+        return $this->pdo;
+    }
+
+    public function isConfigured(): bool
+    {
+        return $this->dbPath !== '';
+    }
+
+    /**
+     * Führt schema.sqlite.sql aus, um die Datenbank zu initialisieren.
+     */
+    public function initializeSchema(): void
+    {
+        $schemaFile = dirname(__DIR__, 2) . '/database/schema.sqlite.sql';
+
+        if (!is_file($schemaFile)) {
+            throw new RuntimeException('SQLite-Schema nicht gefunden: ' . $schemaFile);
+        }
+
+        $schema = file_get_contents($schemaFile);
+
+        if (!is_string($schema) || $schema === '') {
+            throw new RuntimeException('SQLite-Schema konnte nicht geladen werden.');
+        }
+
+        $this->pdo()->exec($schema);
+    }
+
+    /**
+     * SQLite-kompatibler UPSERT: INSERT OR REPLACE + SELECT als Alternative zu ON DUPLICATE KEY.
+     */
+    public function upsertRateLimit(string $actionKey, string $bucketKey, string $now): void
+    {
+        $pdo = $this->pdo();
+
+        $existing = $pdo->prepare(
+            'SELECT id FROM rate_limits WHERE action_key = :action_key AND bucket_key = :bucket_key LIMIT 1'
+        );
+        $existing->execute([
+            'action_key' => $actionKey,
+            'bucket_key' => $bucketKey,
+        ]);
+
+        if (!$existing->fetchColumn()) {
+            $insert = $pdo->prepare(
+                'INSERT INTO rate_limits (action_key, bucket_key, attempts, window_start, last_attempt_at, created_at)
+                 VALUES (:action_key, :bucket_key, 0, :window_start, :last_attempt_at, :created_at)'
+            );
+            $insert->execute([
+                'action_key' => $actionKey,
+                'bucket_key' => $bucketKey,
+                'window_start' => $now,
+                'last_attempt_at' => $now,
+                'created_at' => $now,
+            ]);
+        }
+    }
+
+    public function getDbPath(): string
+    {
+        return $this->dbPath;
+    }
+}