First commit

app/Jobs/ReindexDocumentJob.php

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+<?php
+
+namespace App\Jobs;
+
+use App\Models\DocumentVersion;
+use App\Services\KnowledgeBase\AuditService;
+use App\Services\KnowledgeBase\IngestionService;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Foundation\Bus\Dispatchable;
+use Illuminate\Queue\InteractsWithQueue;
+use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\Log;
+use Throwable;
+
+/**
+ * ReindexDocumentJob
+ *
+ * Reindex (reprocess embedding) untuk document version tertentu.
+ * Berguna bila:
+ * - model embedding ditukar
+ * - chunking strategy dikemaskini
+ * - Qdrant collection diset semula
+ *
+ * Proses: Deactivate chunk lama → Delete chunk lama → Re-chunk → Re-embed → Qdrant
+ */
+class ReindexDocumentJob implements ShouldQueue
+{
+    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
+
+    public int $tries = 2;
+    public int $backoff = 60;
+    public int $timeout = 600;
+
+    public function __construct(
+        private readonly int $documentVersionId
+    ) {
+        $this->onQueue(config('knowledgebase.queue.ingestion', 'default'));
+    }
+
+    public function handle(IngestionService $ingestionService, AuditService $auditService): void
+    {
+        $version = DocumentVersion::with(['document.category'])->findOrFail($this->documentVersionId);
+
+        Log::info("ReindexDocumentJob mula untuk version {$this->documentVersionId}");
+
+        // Deactivate point lama dalam Qdrant
+        $ingestionService->deactivateVersionInQdrant($version);
+
+        // Padam chunk lama dari MySQL untuk reprocess
+        $version->chunks()->delete();
+
+        // Reset status dan mula proses semula
+        $version->update([
+            'processing_status'      => DocumentVersion::STATUS_PENDING,
+            'processing_error'       => null,
+            'processing_completed_at' => null,
+        ]);
+
+        // Reprocess
+        $ingestionService->processDocumentVersion($version);
+
+        $auditService->documentReindexed($version->document, $version);
+
+        Log::info("ReindexDocumentJob selesai untuk version {$this->documentVersionId}");
+    }
+
+    public function failed(Throwable $exception): void
+    {
+        Log::error("ReindexDocumentJob GAGAL untuk version {$this->documentVersionId}", [
+            'error' => $exception->getMessage(),
+        ]);
+
+        $version = DocumentVersion::find($this->documentVersionId);
+        $version?->updateStatus(
+            DocumentVersion::STATUS_FAILED,
+            'Reindex gagal: ' . $exception->getMessage()
+        );
+    }
+}