70 lines
2.8 KiB
PHP
70 lines
2.8 KiB
PHP
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<?php
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namespace App\Services\DeploymentConfiguration;
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class ConfigurationDiffer
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{
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/**
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* @param array<string, mixed> $previousSnapshot
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* @param array<string, mixed> $currentSnapshot
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*/
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public function diff(array $previousSnapshot, array $currentSnapshot): ConfigurationDiff
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{
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$previousItems = $this->flattenItems($previousSnapshot);
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$currentItems = $this->flattenItems($currentSnapshot);
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$keys = collect(array_keys($previousItems))->merge(array_keys($currentItems))->unique()->sort();
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$changes = [];
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foreach ($keys as $key) {
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$previous = $previousItems[$key] ?? null;
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$current = $currentItems[$key] ?? null;
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if (($previous['compare_value'] ?? null) === ($current['compare_value'] ?? null)) {
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continue;
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}
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$item = $current ?? $previous;
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$sensitive = (bool) data_get($item, 'sensitive', false);
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$type = $previous === null ? 'added' : ($current === null ? 'removed' : 'changed');
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$displaySummary = $sensitive && $type === 'changed' ? 'Changed' : null;
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$changes[] = [
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'key' => $key,
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'section' => data_get($item, 'section'),
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'section_label' => data_get($item, 'section_label'),
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'label' => data_get($item, 'label'),
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'type' => $type,
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'impact' => data_get($item, 'impact', 'redeploy'),
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'sensitive' => $sensitive,
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'display_summary' => $displaySummary,
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'old_display_value' => $sensitive ? ($previous === null ? 'Not set' : 'Set') : data_get($previous, 'display_value', 'Not set'),
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'new_display_value' => $sensitive ? ($current === null ? 'Removed' : 'Set') : data_get($current, 'display_value', 'Not set'),
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];
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}
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return ConfigurationDiff::fromChanges($changes);
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}
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/**
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* @param array<string, mixed> $snapshot
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* @return array<string, array<string, mixed>>
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*/
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private function flattenItems(array $snapshot): array
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{
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return collect(data_get($snapshot, 'sections', []))
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->flatMap(function (array $section, string $sectionKey): array {
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return collect(data_get($section, 'items', []))
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->mapWithKeys(function (array $item) use ($section, $sectionKey): array {
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$key = $sectionKey.'.'.$item['key'];
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return [$key => array_merge($item, [
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'section' => $sectionKey,
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'section_label' => data_get($section, 'label', str($sectionKey)->headline()->value()),
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])];
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})
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->all();
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})
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->all();
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}
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}
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