50 lines
1.7 KiB
PHP
50 lines
1.7 KiB
PHP
<?php
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namespace common\components;
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use Yii;
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use yii\web\UploadedFile;
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use \yii\web\HttpException;
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use yii\helpers\Inflector;
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use yii\helpers\StringHelper;
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use yii\helpers\FileHelper;
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class Upload
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{
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public static $UPLOADS_DIR = 'uploads';
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public static function file(UploadedFile $fileInstance, $dir = '', $namePostfix = true)
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{
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$fileName = Upload::getUploadPath($dir) . DIRECTORY_SEPARATOR . Upload::getFileName($fileInstance, $namePostfix);
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if(!$fileInstance->saveAs($fileName)){
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throw new HttpException(500, 'Cannot upload file "'.$fileName.'". Please check write permissions.');
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}
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return Upload::getLink($fileName);
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}
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static function getUploadPath($dir)
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{
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$uploadPath = $dir = Yii::getAlias('@frontend/web').DIRECTORY_SEPARATOR.self::$UPLOADS_DIR.($dir ? DIRECTORY_SEPARATOR.$dir : '');
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if(!FileHelper::createDirectory($uploadPath)){
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throw new HttpException(500, 'Cannot create "'.$uploadPath.'". Please check write permissions.');
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}
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return $uploadPath;
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}
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static function getLink($fileName)
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{
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return str_replace('\\', '/', str_replace(Yii::getAlias('@frontend/web'), '', $fileName));
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}
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static function getFileName($fileInstanse, $namePostfix = true)
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{
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$baseName = str_ireplace('.'.$fileInstanse->extension, '', $fileInstanse->name);
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$fileName = StringHelper::truncate(Inflector::slug($baseName), 32, '');
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if($namePostfix || !$fileName) {
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$fileName .= ($fileName ? '-' : '') . substr(uniqid(md5(rand()), true), 0, 10);
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}
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$fileName .= '.' . $fileInstanse->extension;
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return $fileName;
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}
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} |