chore: complete update

src/Framework/Queue/FileQueue.php

@@ -0,0 +1,129 @@
+<?php
+
+namespace App\Framework\Queue;
+
+use App\Framework\Cache\Serializer;
+use App\Framework\Cache\Serializer\PhpSerializer;
+
+final readonly class FileQueue implements Queue
+{
+    private string $queueDir;
+
+    public function __construct(
+        string $queueDir,
+        private Serializer $serializer = new PhpSerializer())
+    {
+        $this->queueDir = $queueDir;
+        if (!is_dir($queueDir)) {
+            mkdir($queueDir, 0777, true);
+        }
+    }
+
+    public function push(object $job): void
+    {
+        // Job-Hash für Deduplication
+        $jobHash = md5($this->serializer->serialize($job));
+        $hashFile = $this->queueDir . '/hash_' . $jobHash . '.job';
+
+        // DETAILED DEBUG: Wer ruft push() auf?
+        $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 10);
+        $caller = '';
+        foreach ($trace as $frame) {
+            if (isset($frame['file']) && isset($frame['line'])) {
+                $caller .= basename($frame['file']) . ':' . $frame['line'] . ' -> ';
+            }
+        }
+
+        error_log("FileQueue Debug: PUSH called from: " . $caller);
+        error_log("FileQueue Debug: Job class: " . get_class($job));
+        error_log("FileQueue Debug: Job data: " . json_encode($job));
+        error_log("FileQueue Debug: Job hash: " . $jobHash);
+
+        // Prüfe ob identischer Job bereits existiert
+        if (file_exists($hashFile)) {
+            error_log("FileQueue Debug: ⚠️  DUPLICATE JOB REJECTED - hash already exists: " . $jobHash);
+            error_log("FileQueue Debug: Called from: " . $caller);
+            return; // Job wird nicht hinzugefügt
+        }
+
+        // Verwende Hash als Dateiname für automatische Deduplication
+        file_put_contents($hashFile, $this->serializer->serialize($job));
+        error_log("FileQueue Debug: ✅ Job added with hash: " . $jobHash);
+    }
+
+    public function pop(): ?object
+    {
+        $files = glob($this->queueDir . '/*.job');
+
+        // Debug: Queue-Status loggen
+        if (empty($files)) {
+            return null;
+        }
+
+        error_log("FileQueue Debug: Found " . count($files) . " job files in " . $this->queueDir);
+        error_log("FileQueue Debug: Files: " . implode(', ', array_map('basename', $files)));
+
+        // Sortiere nach Erstellungsdatum (FIFO)
+        usort($files, function($a, $b) {
+            return filemtime($a) <=> filemtime($b);
+        });
+
+        $file = $files[0];
+        $lockFile = $file . '.lock';
+
+        // Atomic Lock-Mechanismus um race conditions zu verhindern
+        if (file_exists($lockFile)) {
+            error_log("FileQueue Debug: Job file is locked: $file");
+            return null; // Job wird bereits verarbeitet
+        }
+
+        // Lock erstellen
+        if (!@touch($lockFile)) {
+            error_log("FileQueue Debug: Could not create lock file: $lockFile");
+            return null;
+        }
+
+        try {
+            // Prüfe ob Datei noch existiert (race condition)
+            if (!file_exists($file) || !is_readable($file)) {
+                error_log("FileQueue Debug: Job file not accessible: $file");
+                @unlink($lockFile);
+                return $this->pop();
+            }
+
+            $content = file_get_contents($file);
+            if ($content === false) {
+                error_log("FileQueue Debug: Could not read job file: $file");
+                @unlink($file);
+                @unlink($lockFile);
+                return $this->pop();
+            }
+
+            $job = $this->serializer->unserialize($content);
+
+            // Atomic delete: Erst rename, dann delete
+            $tempFile = $file . '.deleting.' . time() . '.' . getmypid();
+            if (rename($file, $tempFile)) {
+                unlink($tempFile);
+                error_log("FileQueue Debug: Successfully deleted job file: " . basename($file));
+            } else {
+                error_log("FileQueue Debug: Failed to rename job file for deletion: $file");
+                // Fallback: direktes löschen versuchen
+                if (!@unlink($file)) {
+                    error_log("FileQueue Debug: Failed to delete job file: $file - moving to processed");
+                    $processedFile = $file . '.processed.' . time();
+                    @rename($file, $processedFile);
+                }
+            }
+
+            @unlink($lockFile);
+            return $job;
+
+        } catch (\Throwable $e) {
+            error_log("FileQueue Debug: Failed to process job from file $file: " . $e->getMessage());
+            @unlink($file);
+            @unlink($lockFile);
+            return $this->pop();
+        }
+    }
+}