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<?php |
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namespace kalanis\kw_locks\Methods; |
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use kalanis\kw_files\Access\CompositeAdapter; |
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use kalanis\kw_files\FilesException; |
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use kalanis\kw_files\Traits\TToString; |
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use kalanis\kw_locks\Interfaces\IKLTranslations; |
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use kalanis\kw_locks\Interfaces\IPassedKey; |
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use kalanis\kw_locks\LockException; |
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use kalanis\kw_locks\Traits\TLang; |
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use kalanis\kw_paths\ArrayPath; |
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use kalanis\kw_paths\PathsException; |
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/** |
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* Class FilesLock |
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* @package kalanis\kw_locks\Methods |
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*/ |
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class FilesLock implements IPassedKey |
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{ |
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use TLang; |
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use TToString; |
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protected ArrayPath $arrPt; |
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protected CompositeAdapter $files; |
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/** @var string[] */ |
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protected array $specialKey = []; |
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protected string $checkContent = ''; |
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public function __construct(CompositeAdapter $files, ?IKLTranslations $lang = null) |
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{ |
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$this->arrPt = new ArrayPath(); |
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$this->files = $files; |
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$this->setKlLang($lang); |
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} |
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public function __destruct() |
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{ |
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try { |
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$this->delete(); |
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} catch (LockException $ex) { |
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// do nothing instead of |
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// register_shutdown_function([$this, 'delete']); |
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} |
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} |
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public function setKey(string $key, string $checkContent = ''): void |
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{ |
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try { |
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$this->specialKey = $this->arrPt->setString($key)->getArray(); |
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$this->checkContent = empty($checkContent) ? strval(getmypid()) : $checkContent ; |
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// @codeCoverageIgnoreStart |
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} catch (PathsException $ex) { |
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throw new LockException($this->getKlLang()->iklCannotUsePath($key), $ex->getCode(), $ex); |
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} |
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// @codeCoverageIgnoreEnd |
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} |
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public function has(): bool |
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{ |
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try { |
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if (!$this->files->exists($this->specialKey)) { |
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return false; |
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} |
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if ($this->checkContent == $this->toString('lock', $this->files->readFile($this->specialKey))) { |
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return true; |
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} |
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throw new LockException($this->getKlLang()->iklLockedByOther()); |
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} catch (FilesException | PathsException $ex) { |
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throw new LockException($this->getKlLang()->iklProblemWithStorage(), $ex->getCode(), $ex); |
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} |
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} |
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public function create(bool $force = false): bool |
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{ |
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if (!$force && $this->has()) { |
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return false; |
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} |
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try { |
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$result = $this->files->saveFile($this->specialKey, $this->checkContent); |
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return $result; |
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} catch (FilesException | PathsException $ex) { |
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throw new LockException($this->getKlLang()->iklProblemWithStorage(), $ex->getCode(), $ex); |
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} |
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} |
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public function delete(bool $force = false): bool |
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{ |
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if (!$force && !$this->has()) { |
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return true; |
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} |
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try { |
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return $this->files->deleteFile($this->specialKey); |
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} catch (FilesException | PathsException $ex) { |
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throw new LockException($this->getKlLang()->iklProblemWithStorage(), $ex->getCode(), $ex); |
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} |
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} |
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} |
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alex-kalanis /
kw_locks
