90 lines
2.3 KiB
PHP
90 lines
2.3 KiB
PHP
<?php
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namespace App\Services\Inventory;
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class InventorySelectionHasher
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{
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/**
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* @param array<string, mixed> $selectionPayload
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* @return array{policy_types: list<string>, categories: list<string>, include_foundations: bool, include_dependencies: bool}
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*/
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public function normalize(array $selectionPayload): array
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{
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$policyTypes = $this->stringList($selectionPayload['policy_types'] ?? []);
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sort($policyTypes);
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$categories = $this->stringList($selectionPayload['categories'] ?? []);
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sort($categories);
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return [
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'policy_types' => $policyTypes,
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'categories' => $categories,
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'include_foundations' => (bool) ($selectionPayload['include_foundations'] ?? false),
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'include_dependencies' => (bool) ($selectionPayload['include_dependencies'] ?? false),
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];
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}
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/**
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* @param array<string, mixed> $selectionPayload
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*/
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public function canonicalJson(array $selectionPayload): string
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{
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$normalized = $this->normalize($selectionPayload);
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$normalized = $this->ksortRecursive($normalized);
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return (string) json_encode($normalized, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
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}
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/**
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* @param array<string, mixed> $selectionPayload
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*/
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public function hash(array $selectionPayload): string
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{
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return hash('sha256', $this->canonicalJson($selectionPayload));
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}
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/**
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* @return list<string>
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*/
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private function stringList(mixed $value): array
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{
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if (! is_array($value)) {
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return [];
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}
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$result = [];
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foreach ($value as $item) {
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if (! is_string($item)) {
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continue;
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}
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$item = trim($item);
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if ($item === '') {
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continue;
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}
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$result[] = $item;
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}
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return array_values(array_unique($result));
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}
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private function ksortRecursive(mixed $value): mixed
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{
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if (! is_array($value)) {
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return $value;
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}
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$isList = array_is_list($value);
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if (! $isList) {
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ksort($value);
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}
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foreach ($value as $key => $child) {
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$value[$key] = $this->ksortRecursive($child);
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}
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return $value;
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}
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}
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