Files

127 lines
4.4 KiB
PHP

<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Core\Settings;
use TYPO3\CMS\Core\Utility\ArrayUtility;
/**
* @internal
*/
final readonly class SettingsDiff
{
/**
* @param string[] $changes
* @param string[] $deletions
*/
public function __construct(
public array $settings,
public array $changes,
public array $deletions,
) {}
public function asArray(): array
{
return $this->settings;
}
/**
* Calculate a new settings tree for the given $targetSettings
*
* Settings that have the same value as their default value
* are removed (tree is minified) if the list of default settings
* via $defaultSettings.
*
* @param array $currentSettings Current settings
* In case of site settings: config/sites/…/settings.yaml
* @param SettingsInterface $targetSettings Target settings
* (values as supplied via the settings editor)
* @param SettingsInterface $defaultSettings Default settings, without local settings tree applied.
* In case of site settings: Combination of all settings
* defined in settings.definitions.yaml + setting.yaml
* from all selected sets combined
*/
public static function create(
array $currentSettings,
SettingsInterface $targetSettings,
?SettingsInterface $defaultSettings = null,
): self {
// Copy existing settings from current settings map/tree, to keep any settings
// that have been present before (and are not defined in $defaultSettings)
// Usecase for site settings:
// Preserve "anonymous" v12-style site settings that have no definition in settings.definitions.yaml
// and are stored as a tree instead of a map
$settings = $currentSettings;
// Merge target settings into current settings
$changes = [];
$deletions = [];
foreach ($targetSettings->getIdentifiers() as $key) {
$value = $targetSettings->get($key);
if ($defaultSettings !== null && $value === $defaultSettings->get($key)) {
if (ArrayUtility::isValidPath($settings, $key, '.')) {
$settings = self::removeByPathWithAncestors($settings, $key, '.');
$deletions[] = $key;
}
if (array_key_exists($key, $settings)) {
unset($settings[$key]);
$deletions[] = $key;
}
continue;
}
// Remove key from legacy tree
if (str_contains($key, '.') && ArrayUtility::isValidPath($settings, $key, '.')) {
$settings = self::removeByPathWithAncestors($settings, $key, '.');
}
if (!array_key_exists($key, $settings)
|| $value !== $settings[$key]
) {
$settings[$key] = $value;
$changes[] = $key;
}
}
return new self(
$settings,
$changes,
$deletions
);
}
private static function removeByPathWithAncestors(array $array, string $path, string $delimiter): array
{
if ($path === '' || !ArrayUtility::isValidPath($array, $path, $delimiter)) {
return $array;
}
$array = ArrayUtility::removeByPath($array, $path, $delimiter);
$parts = explode($delimiter, $path);
array_pop($parts);
$parentPath = implode($delimiter, $parts);
if ($parentPath !== '' && ArrayUtility::isValidPath($array, $parentPath, $delimiter)) {
$parent = ArrayUtility::getValueByPath($array, $parentPath, $delimiter);
if ($parent === []) {
return self::removeByPathWithAncestors($array, $parentPath, $delimiter);
}
}
return $array;
}
}