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<?php |
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/** |
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* This file is part of fswatch |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Slick\FsWatch\Directory; |
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use Slick\FsWatch\Directory; |
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use Slick\FsWatch\FileTools; |
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/** |
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* Snapshot |
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* |
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* @package Slick\FsWatch\Directory |
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*/ |
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final class Snapshot |
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{ |
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/** @var array<string, mixed> */ |
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protected array $sizeMap; |
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private string $path; |
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private FileTools $fileTools; |
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/** |
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* Creates a Snapshot |
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* |
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* @param Directory $directory |
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*/ |
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public function __construct(Directory $directory) |
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{ |
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$this->sizeMap = $directory->sizeMap(); |
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$this->path = $directory->path(); |
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$this->fileTools = new FileTools(); |
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} |
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/** |
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* Directory content size hash |
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* |
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* @return string |
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*/ |
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public function hash(): string |
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{ |
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return sha1(serialize($this->sizeMap)); |
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} |
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/** |
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* Directory path |
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* |
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* @return string |
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*/ |
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public function path(): string |
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{ |
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return $this->path; |
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} |
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/** |
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* @return array<string, mixed> |
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*/ |
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public function __serialize(): array |
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{ |
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return [ |
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"path" => $this->path, |
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"size" => $this->sizeMap, |
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]; |
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} |
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/** |
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* @param array<string, mixed> $data |
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* @return void |
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*/ |
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public function __unserialize(array $data): void |
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{ |
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$this->path = $data['path']; |
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$this->sizeMap = $data['size']; |
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$this->fileTools = new FileTools(); |
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} |
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/** |
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* Compares the current Snapshot with another Snapshot and determines the changes that occurred. |
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* |
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* @param Snapshot $secondSnapshot The second Snapshot to compare with. |
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* @return Changes The changes that occurred between the two Snapshots. |
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*/ |
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public function compareTo(Snapshot $secondSnapshot): Changes |
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{ |
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$changes = new Changes(); |
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$second = $this->fileTools->flattenSizeMap($secondSnapshot->sizeMap); |
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$first = $this->fileTools->flattenSizeMap($this->sizeMap); |
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$diff = array_diff_assoc($second, $first); |
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foreach (array_keys($diff) as $key) { |
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if (array_key_exists($key, $first)) { |
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$changes->add($this->path.'/'.$key, FileChange::CHANGED); |
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continue; |
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} |
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$changes->add($this->path.'/'.$key, FileChange::ADDED); |
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} |
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$diff = array_diff_assoc($first, $second); |
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foreach (array_keys($diff) as $key) { |
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if (!array_key_exists($key, $second)) { |
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$changes->add($this->path.'/'.$key, FileChange::DELETED); |
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} |
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} |
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return $changes; |
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} |
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} |
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slickframework /
fswatch
