213 lines
9.9 KiB
PHP
213 lines
9.9 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Services;
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use App\Core\Database;
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use App\Core\AI;
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use App\Core\Encryption;
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use App\Middleware\QuotaMiddleware;
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class InvoiceProcessor
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{
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private static function log(string $msg): void
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{
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$line = "[" . date('Y-m-d H:i:s') . "] [InvoiceProcessor] " . $msg . "\n";
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@file_put_contents(STORAGE_PATH . '/logs/worker.log', $line, FILE_APPEND);
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// Also echo for CLI/terminal usage
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if (php_sapi_name() === 'cli') {
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echo $line;
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}
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}
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/**
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* Processes a single invoice queue item by its ID.
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*/
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public static function processQueueItem(int $queueId): bool
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{
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self::log("Starting processQueueItem($queueId)");
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try {
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$db = Database::getInstance();
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} catch (\Throwable $e) {
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self::log("FATAL: Cannot connect to DB: " . $e->getMessage());
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return false;
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}
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try {
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// Fetch the queue item and its batch info
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$stmt = $db->prepare("
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SELECT q.*, b.tenant_id, b.company_id, b.uploaded_by, b.total_images
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FROM invoice_processing_queue q
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JOIN invoice_batches b ON q.batch_id = b.id
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WHERE q.id = ? AND q.status = 'pending'
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");
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$stmt->execute([$queueId]);
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$item = $stmt->fetch();
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if (!$item) {
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self::log("Queue ID $queueId: Not found or not pending. Skipping.");
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return false;
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}
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$batchId = $item['batch_id'];
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$tenantId = $item['tenant_id'];
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$companyId = $item['company_id'];
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$userId = $item['uploaded_by'];
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$imagePath = $item['image_path'];
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self::log("Queue ID $queueId: Image=$imagePath, Batch=$batchId");
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// Mark as processing
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$db->prepare("UPDATE invoice_processing_queue SET status = 'processing' WHERE id = ?")->execute([$queueId]);
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// Check file exists
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if (!file_exists($imagePath)) {
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self::log("Queue ID $queueId: FILE NOT FOUND: $imagePath");
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$db->prepare("UPDATE invoice_processing_queue SET status = 'failed', error_message = 'File not found' WHERE id = ?")->execute([$queueId]);
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return false;
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}
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self::log("Queue ID $queueId: File exists (" . filesize($imagePath) . " bytes). Starting AI extraction...");
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$mimeType = mime_content_type($imagePath) ?: 'image/jpeg';
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$fileContent = file_get_contents($imagePath);
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$base64Data = base64_encode($fileContent);
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// AI Extraction (this takes ~5-15 seconds)
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$extracted = AI::extractInvoiceData($base64Data, $mimeType);
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if (!$extracted) {
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self::log("Queue ID $queueId: AI extraction returned NULL (failed).");
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$db->prepare("UPDATE invoice_processing_queue SET status = 'failed', error_message = 'AI failed to extract data from image' WHERE id = ?")->execute([$queueId]);
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return false;
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}
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self::log("Queue ID $queueId: AI extraction successful. Saving to DB...");
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// Save to database in a transaction
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$db->beginTransaction();
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try {
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$invoiceId = vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex(random_bytes(16)), 4));
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$supplierTin = $extracted['supplier']['tin'] ?? '';
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$invoiceNum = $extracted['invoice_number'] ?? '';
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$invoiceDate = $extracted['invoice_date'] ?? '';
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$validDate = (!empty($invoiceDate) && strtotime($invoiceDate)) ? $invoiceDate : null;
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$stmt = $db->prepare("
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INSERT INTO invoices (
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id, tenant_id, company_id, uploaded_by, original_file_path, status,
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invoice_number, invoice_date, invoice_type, invoice_category,
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supplier_tin, supplier_name, supplier_address,
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buyer_tin, buyer_name, buyer_national_id,
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subtotal, tax_amount, discount_total, grand_total, currency_code,
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created_at
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) VALUES (
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?, ?, ?, ?, ?, 'extracted',
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?, ?, ?, ?, ?, ?, ?, ?, ?, ?,
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?, ?, ?, ?, ?,
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NOW()
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)
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");
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$stmt->execute([
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$invoiceId, $tenantId, $companyId, $userId, $imagePath,
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$invoiceNum, $validDate, $extracted['invoice_type'] ?? 'cash', $extracted['invoice_category'] ?? 'simplified',
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Encryption::encrypt($supplierTin), Encryption::encrypt($extracted['supplier']['name'] ?? ''), Encryption::encrypt($extracted['supplier']['address'] ?? ''),
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Encryption::encrypt($extracted['buyer']['tin'] ?? ''), Encryption::encrypt($extracted['buyer']['name'] ?? ''), Encryption::encrypt($extracted['buyer']['national_id'] ?? ''),
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$extracted['subtotal'] ?? 0, $extracted['tax_amount'] ?? 0, $extracted['discount_total'] ?? 0, $extracted['grand_total'] ?? 0, $extracted['currency_code'] ?? 'JOD'
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]);
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// Save invoice line items
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if (!empty($extracted['lines'])) {
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$lineStmt = $db->prepare("INSERT INTO invoice_lines (id, invoice_id, line_number, description, quantity, unit_price, tax_rate, line_total) VALUES (?,?,?,?,?,?,?,?)");
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foreach ($extracted['lines'] as $idx => $line) {
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$lineStmt->execute([
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vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex(random_bytes(16)), 4)),
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$invoiceId, $line['line_number'] ?? ($idx + 1), $line['description'] ?? '', $line['quantity'] ?? 1, $line['unit_price'] ?? 0, $line['tax_rate'] ?? 0, $line['line_total'] ?? $line['total_amount'] ?? 0
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]);
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}
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self::log("Queue ID $queueId: Saved " . count($extracted['lines']) . " line items.");
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}
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// Mark queue item done
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$db->prepare("UPDATE invoice_processing_queue SET status = 'done', invoice_id = ?, processed_at = NOW() WHERE id = ?")->execute([$invoiceId, $queueId]);
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// Update batch progress
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$db->prepare("UPDATE invoice_batches SET processed_images = processed_images + 1 WHERE id = ?")->execute([$batchId]);
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// Increment quota
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QuotaMiddleware::incrementInvoiceUsage($tenantId);
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$db->commit();
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self::log("Queue ID $queueId: ✓ Invoice $invoiceId created and committed.");
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} catch (\Throwable $e) {
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if ($db->inTransaction()) {
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$db->rollBack();
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}
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self::log("Queue ID $queueId: DB ERROR: " . $e->getMessage());
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try {
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$db->prepare("UPDATE invoice_processing_queue SET status = 'failed', error_message = ? WHERE id = ?")->execute([$e->getMessage(), $queueId]);
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} catch (\Throwable $e2) {}
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return false;
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}
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// Check if entire batch is complete
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self::checkBatchCompletion($batchId);
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// Send push notification (non-critical, don't fail on error)
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try {
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$stmt = $db->prepare("SELECT total_images, processed_images, uploaded_by FROM invoice_batches WHERE id = ?");
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$stmt->execute([$batchId]);
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$currentBatch = $stmt->fetch();
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if ($currentBatch) {
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$notifier = new NotificationService();
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$notifier->sendDataNotification($currentBatch['uploaded_by'], [
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'type' => 'batch_progress',
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'batch_id' => $batchId,
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'processed' => $currentBatch['processed_images'],
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'total' => $currentBatch['total_images']
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]);
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}
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} catch (\Throwable $pushErr) {
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self::log("Queue ID $queueId: Push notification failed (non-critical): " . $pushErr->getMessage());
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}
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return true;
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} catch (\Throwable $e) {
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self::log("Queue ID $queueId: UNHANDLED EXCEPTION: " . $e->getMessage() . "\n" . $e->getTraceAsString());
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return false;
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}
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}
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public static function checkBatchCompletion(string $batchId): void
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{
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try {
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$db = Database::getInstance();
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$stmt = $db->prepare("SELECT total_images, processed_images, uploaded_by FROM invoice_batches WHERE id = ?");
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$stmt->execute([$batchId]);
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$batch = $stmt->fetch();
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if ($batch && $batch['processed_images'] >= $batch['total_images']) {
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$db->prepare("UPDATE invoice_batches SET status = 'done', completed_at = NOW() WHERE id = ?")->execute([$batchId]);
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self::log("Batch $batchId: COMPLETE ({$batch['processed_images']}/{$batch['total_images']})");
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try {
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$notifier = new NotificationService();
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$notifier->sendNotification(
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$batch['uploaded_by'],
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"اكتملت معالجة الدفعة",
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"تمت معالجة جميع الفواتير بنجاح. يمكنك الآن مراجعتها وتدقيقها في لوحة التحكم قبل اعتمادها.",
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['batch_id' => $batchId]
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);
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} catch (\Throwable $e) {
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self::log("Batch $batchId: Completion notification failed: " . $e->getMessage());
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}
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}
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} catch (\Throwable $e) {
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self::log("Batch $batchId: checkBatchCompletion error: " . $e->getMessage());
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}
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}
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}
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