71 lines
1.9 KiB
PHP
71 lines
1.9 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Services\Baselines\Evidence;
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use Carbon\CarbonImmutable;
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final class EvidenceProvenance
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{
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public const string FidelityContent = 'content';
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public const string FidelityMeta = 'meta';
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public const string SourcePolicyVersion = 'policy_version';
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public const string SourceInventory = 'inventory';
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public const string KeyFidelity = 'fidelity';
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public const string KeySource = 'source';
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public const string KeyObservedAt = 'observed_at';
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public const string KeyObservedOperationRunId = 'observed_operation_run_id';
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/**
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* @return array{
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* fidelity: string,
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* source: string,
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* observed_at: ?string,
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* observed_operation_run_id: ?int
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* }
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*/
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public static function build(
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string $fidelity,
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string $source,
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?CarbonImmutable $observedAt,
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?int $observedOperationRunId,
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): array {
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return [
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self::KeyFidelity => $fidelity,
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self::KeySource => $source,
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self::KeyObservedAt => $observedAt?->toIso8601String(),
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self::KeyObservedOperationRunId => $observedOperationRunId,
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];
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}
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public static function weakerFidelity(string $baselineFidelity, string $currentFidelity): string
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{
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$baselineFidelity = strtolower(trim($baselineFidelity));
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$currentFidelity = strtolower(trim($currentFidelity));
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if ($baselineFidelity === self::FidelityMeta || $currentFidelity === self::FidelityMeta) {
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return self::FidelityMeta;
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}
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return self::FidelityContent;
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}
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public static function isValidFidelity(?string $fidelity): bool
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{
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return in_array($fidelity, [self::FidelityContent, self::FidelityMeta], true);
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}
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public static function isValidSource(?string $source): bool
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{
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return in_array($source, [self::SourcePolicyVersion, self::SourceInventory], true);
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}
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}
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