53 lines
1.5 KiB
PHP
53 lines
1.5 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Services\Alerts;
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use App\Models\AlertDestination;
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use App\Models\AlertRule;
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class AlertFingerprintService
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{
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/**
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* @param array<string, mixed> $event
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*/
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public function hash(AlertRule $rule, AlertDestination $destination, int $tenantId, array $event): string
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{
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$fingerprintKey = trim((string) ($event['fingerprint_key'] ?? ''));
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if ($fingerprintKey === '') {
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$fingerprintKey = trim((string) ($event['idempotency_key'] ?? ''));
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}
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$payload = [
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'workspace_id' => (int) $rule->workspace_id,
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'rule_id' => (int) $rule->getKey(),
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'destination_id' => (int) $destination->getKey(),
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'tenant_id' => $tenantId,
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'event_type' => trim((string) ($event['event_type'] ?? '')),
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'severity' => strtolower(trim((string) ($event['severity'] ?? ''))),
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'fingerprint_key' => $fingerprintKey,
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];
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return hash('sha256', json_encode($this->normalizeArray($payload), JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_THROW_ON_ERROR));
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}
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/**
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* @param array<string, mixed> $payload
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* @return array<string, mixed>
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*/
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private function normalizeArray(array $payload): array
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{
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ksort($payload);
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foreach ($payload as $key => $value) {
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if (is_array($value)) {
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$payload[$key] = $this->normalizeArray($value);
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}
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}
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return $payload;
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}
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}
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