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<?php |
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namespace yiicod\fileupload\validators; |
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use yii\base\BaseObject; |
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use yiicod\fileupload\components\common\UploadedFile; |
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use yiicod\fileupload\components\traits\ServerVariableTrait; |
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/** |
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* Class FilesCountValidator |
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* |
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* @author Virchenko Maksim <[email protected]> |
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* |
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* @package yiicod\fileupload\validators |
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*/ |
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class FilesCountValidator extends BaseObject implements ValidatorInterface |
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{ |
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use ServerVariableTrait; |
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/** |
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* Error message |
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* |
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* @var string |
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*/ |
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public $message = 'Maximum number of files exceeded'; |
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/** |
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* Minimum file size |
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* |
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* @var int |
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*/ |
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public $maxCountOfFiles; |
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/** |
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* File upload path |
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* |
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* @var string |
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*/ |
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public $uploadDir; |
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/** |
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* Validate file |
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* |
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* @param UploadedFile $file |
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* |
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* @return bool |
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*/ |
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public function validate(UploadedFile &$file): bool |
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{ |
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if (is_int($this->maxCountOfFiles) && |
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($this->countFileObjects() >= $this->maxCountOfFiles) && |
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!is_file($this->getUploadDir($file->name))) { |
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$file->error = $this->message; |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Count file objects |
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* |
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* @return int |
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*/ |
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protected function countFileObjects(): int |
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{ |
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return count($this->getFileObjects('is_valid_file_object')); |
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} |
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/** |
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* Get file objects |
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* |
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* @param string $iterationMethod |
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* |
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* @return array |
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*/ |
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protected function getFileObjects(string $iterationMethod = 'get_file_object'): array |
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{ |
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$uploadDir = $this->getUploadDir(); |
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if (!is_dir($uploadDir)) { |
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return []; |
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} |
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return array_values(array_filter(array_map( |
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[$this, $iterationMethod], |
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scandir($uploadDir) |
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))); |
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} |
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/** |
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* Get upload path |
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* |
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* @param null|string $fileName |
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* @param null|string $version |
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* |
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* @return string |
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*/ |
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protected function getUploadDir(?string $fileName = null, ?string $version = null) |
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{ |
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$fileName = $fileName ? $fileName : ''; |
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if (empty($version)) { |
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$versionPath = ''; |
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} else { |
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$versionPath = $version . '/'; |
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} |
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return $this->uploadDir . $versionPath . $fileName; |
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} |
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} |
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