chore: complete update

.archive/StreamWrapper/Wrappers/DatabaseStreamWrapper.php

@@ -0,0 +1,205 @@
+<?php
+declare(strict_types=1);
+
+namespace Archive\StreamWrapper\Wrappers;
+
+use App\Framework\Database\DatabaseManager;
+use App\Framework\StreamWrapper\Helper\StreamWrapperHelper;
+use Archive\StreamWrapper\Context\StreamContext;
+use Archive\StreamWrapper\StreamWrapperInterface;
+
+/**
+ * Stream-Wrapper für Database-Operationen
+ * Syntax: db://connection/table/operation?params
+ */
+class DatabaseStreamWrapper implements StreamWrapperInterface
+{
+    public $context;
+    private string $content = '';
+    private int $position = 0;
+    private string $mode = 'r';
+    private array $parsedUrl = [];
+    private ?StreamContext $streamContext = null;
+
+    private DatabaseManager $database;
+    private string $connection;
+    private string $table;
+    private string $operation;
+    private array $params = [];
+
+    public function stream_open(string $path, string $mode, int $options, ?string &$opened_path): bool
+    {
+        $this->streamContext = StreamWrapperHelper::initializeContext($this->context);
+        $this->parsedUrl = StreamWrapperHelper::parseUrl($path);
+        $this->mode = $mode;
+
+        $this->connection = $this->parsedUrl['host'] ?: 'default';
+
+        $pathParts = explode('/', $this->parsedUrl['path']);
+        $this->table = $pathParts[0] ?? '';
+        $this->operation = $pathParts[1] ?? 'select';
+
+        // Query-Parameter parsen
+        if ($this->parsedUrl['query']) {
+            parse_str($this->parsedUrl['query'], $this->params);
+        }
+
+        // Database-Manager initialisieren
+        $this->database = new DatabaseManager();
+
+        // Bei Lese-Operationen Query ausführen
+        if (str_contains($mode, 'r') || str_contains($mode, '+')) {
+            $this->content = $this->loadContent($this->operation);
+        }
+
+        return true;
+    }
+
+    public function stream_read(int $count): string|false
+    {
+        return StreamWrapperHelper::streamRead($this->content, $this->position, $count);
+    }
+
+    public function stream_write(string $data): int|false
+    {
+        return StreamWrapperHelper::streamWrite($this->content, $this->position, $data);
+    }
+
+    public function stream_tell(): int|false
+    {
+        return $this->position;
+    }
+
+    public function stream_eof(): bool
+    {
+        return $this->position >= strlen($this->content);
+    }
+
+    public function stream_seek(int $offset, int $whence = SEEK_SET): bool
+    {
+        return StreamWrapperHelper::streamSeek($this->content, $this->position, $offset, $whence);
+    }
+
+    public function stream_close(): void
+    {
+        // Bei Schreib-Modi Operation ausführen
+        if (str_contains($this->mode, 'w') || str_contains($this->mode, 'a') || str_contains($this->mode, '+')) {
+            $this->saveContent($this->operation, $this->content);
+        }
+
+        $this->content = '';
+        $this->position = 0;
+    }
+
+    public function stream_stat(): array|false
+    {
+        return StreamWrapperHelper::streamStat($this->content);
+    }
+
+    public function url_stat(string $path, int $flags): array|false
+    {
+        return StreamWrapperHelper::createDefaultStat(strlen($this->content));
+    }
+
+    // Nicht unterstützte Operationen
+    public function mkdir(string $path, int $mode, int $options): bool { return false; }
+    public function rmdir(string $path, int $options): bool { return false; }
+    public function dir_opendir(string $path, int $options): bool { return false; }
+    public function dir_readdir(): string|false { return false; }
+    public function dir_rewinddir(): bool { return false; }
+    public function dir_closedir(): bool { return false; }
+    public function rename(string $path_from, string $path_to): bool { return false; }
+    public function unlink(string $path): bool { return false; }
+
+    private function loadContent(string $operation): string
+    {
+        $connection = $this->streamContext?->getOption('db', 'connection', $this->connection);
+
+        $result = match($operation) {
+            'select', 'all' => $this->executeSelect(),
+            'count' => $this->executeCount(),
+            'exists' => $this->executeExists(),
+            default => []
+        };
+
+        return json_encode($result);
+    }
+
+    private function saveContent(string $operation, string $content): bool
+    {
+        $data = json_decode($content, true);
+
+        return match($operation) {
+            'insert' => $this->executeInsert($data),
+            'update' => $this->executeUpdate($data),
+            'delete' => $this->executeDelete($data),
+            'bulk-insert' => $this->executeBulkInsert($data),
+            default => false
+        };
+    }
+
+    private function executeSelect(): array
+    {
+        $query = $this->database->connection($this->connection)->table($this->table);
+
+        foreach ($this->params as $key => $value) {
+            if ($key === 'id') {
+                $query->where('id', $value);
+            } elseif (str_starts_with($key, 'where_')) {
+                $field = substr($key, 6);
+                $query->where($field, $value);
+            }
+        }
+
+        return $query->get()->toArray();
+    }
+
+    private function executeCount(): array
+    {
+        $count = $this->database->connection($this->connection)->table($this->table)->count();
+        return ['count' => $count];
+    }
+
+    private function executeExists(): array
+    {
+        $exists = $this->database->connection($this->connection)->table($this->table);
+
+        if (isset($this->params['id'])) {
+            $exists->where('id', $this->params['id']);
+        }
+
+        return ['exists' => $exists->exists()];
+    }
+
+    private function executeInsert(array $data): bool
+    {
+        return $this->database->connection($this->connection)->table($this->table)->insert($data);
+    }
+
+    private function executeUpdate(array $data): bool
+    {
+        $query = $this->database->connection($this->connection)->table($this->table);
+
+        if (isset($this->params['id'])) {
+            $query->where('id', $this->params['id']);
+        }
+
+        return $query->update($data) > 0;
+    }
+
+    private function executeDelete(array $data): bool
+    {
+        $query = $this->database->connection($this->connection)->table($this->table);
+
+        if (isset($this->params['id'])) {
+            $query->where('id', $this->params['id']);
+        }
+
+        return $query->delete() > 0;
+    }
+
+    private function executeBulkInsert(array $data): bool
+    {
+        return $this->database->connection($this->connection)->table($this->table)->insert($data);
+    }
+}