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<?php |
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namespace AnkitPokhrel\LaravelImage; |
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use Illuminate\Support\Facades\Input; |
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use Illuminate\Support\Facades\Validator; |
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/** |
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* Handles all image upload operation |
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* |
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* @author Ankit Pokhrel |
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*/ |
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class ImageUploadService |
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{ |
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/** @var string Image field */ |
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protected $field = 'image'; |
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/** @var string Upload dir */ |
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protected $uploadDir = 'upload_dir'; |
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/** @var string Original image name field */ |
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protected $originalImageNameField = 'original_image_name'; |
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/** @var string Upload base path */ |
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protected $basePath = 'uploads/'; |
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/** @var string Relative path to upload dir */ |
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protected $uploadPath = ''; |
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/** @var bool Is file uploaded in public dir? */ |
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protected $publicPath = true; |
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/** @var string File save destination */ |
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protected $destination = ''; |
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/** @var array Uploaded file info */ |
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protected $uploadedFileInfo = []; |
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/** @var string Image validation rules */ |
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protected $validationRules; |
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/** @var array|object Validation errors */ |
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protected $errors = []; |
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/** |
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* @constructor |
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* |
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* @param null $validationRules |
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*/ |
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public function __construct($validationRules = null) |
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{ |
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// Default validation rules |
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$this->validationRules = $validationRules ? $validationRules : config('laravelimage.validationRules'); |
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// Set default upload folder |
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$this->setUploadFolder('contents'); |
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} |
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/** |
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* Get uploaded file info. |
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* |
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* @return array |
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*/ |
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public function getUploadedFileInfo() |
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{ |
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return $this->uploadedFileInfo; |
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} |
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/** |
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* Set upload field. |
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* |
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* @param $fieldName |
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*/ |
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public function setUploadField($fieldName) |
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{ |
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$this->field = $fieldName; |
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} |
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/** |
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* get upload field. |
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* |
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* return string |
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*/ |
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public function getUploadField() |
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{ |
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return $this->field; |
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} |
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/** |
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* Set upload directory. |
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* |
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* @param string $dir |
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*/ |
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public function setUploadDir($dir) |
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{ |
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$this->uploadDir = $dir; |
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} |
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/** |
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* get upload directory. |
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* |
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* return string |
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*/ |
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public function getUploadDir() |
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{ |
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return $this->uploadDir; |
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} |
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/** |
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* Set original image name field. |
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* |
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* @param string $originalImageName |
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*/ |
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public function setOriginalImageNameField($originalImageName) |
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{ |
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$this->originalImageNameField = $originalImageName; |
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} |
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/** |
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* get original image name field. |
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* |
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* return string |
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*/ |
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public function getOriginalImageNameField() |
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{ |
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return $this->originalImageNameField; |
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} |
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/** |
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* Set base path. |
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* |
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* @param $path |
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* @param $publicPath |
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*/ |
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public function setBasePath($path, $publicPath = true) |
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{ |
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$this->basePath = $path; |
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$this->publicPath = $publicPath; |
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} |
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/** |
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* Get base path. |
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* |
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* @return string |
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*/ |
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public function getBasePath() |
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{ |
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return $this->basePath; |
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} |
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/** |
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* Get public path. |
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*/ |
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public function getPublicPath() |
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{ |
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return $this->publicPath; |
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} |
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/** |
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* Set upload folder. |
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* |
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* @param $folder |
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*/ |
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public function setUploadFolder($folder) |
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{ |
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$this->uploadPath = $this->basePath . $folder . '/' . $this->getUniqueFolderName() . '/'; |
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$this->destination = $this->publicPath ? public_path($this->uploadPath) : $this->uploadPath; |
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} |
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/** |
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* Get upload destination. |
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* @return string |
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*/ |
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public function getDestination() |
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{ |
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return $this->destination; |
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} |
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/** |
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* Get upload path |
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* |
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* @return string |
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*/ |
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public function getUploadPath() |
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{ |
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return $this->uploadPath; |
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} |
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/** |
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* @param $rules |
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*/ |
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public function setValidationRules($rules) |
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{ |
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$this->validationRules = $rules; |
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} |
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/** |
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* Get validation rules. |
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*/ |
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public function getValidationRules() |
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{ |
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return $this->validationRules; |
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} |
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/** |
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* Perform image validation. |
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* |
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* @param $file |
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* |
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* @return bool |
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*/ |
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protected function validate($file) |
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{ |
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// Check if file is valid |
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if ( ! $file->isValid()) { |
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return false; |
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} |
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$inputFile = [$this->field => $file]; |
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$rules = [$this->field => $this->validationRules]; |
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// Validate |
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$validator = Validator::make($inputFile, $rules); |
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if ($validator->fails()) { |
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$this->errors = $validator; |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Uploads file to required destination. |
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* |
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* @return bool |
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*/ |
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public function upload() |
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{ |
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$file = Input::file($this->field); |
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if ( ! $this->validate($file)) { |
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return false; |
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} |
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$originalFileName = $file->getClientOriginalName(); |
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$encryptedFileName = $this->getUniqueFilename($originalFileName); |
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$mimeType = $file->getMimeType(); |
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$size = $file->getSize(); |
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if ($file->move($this->getDestination(), $encryptedFileName)) { |
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$this->uploadedFileInfo = [ |
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$this->originalImageNameField => $originalFileName, |
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$this->field => $encryptedFileName, |
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$this->uploadDir => $this->getUploadPath(), |
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'size' => $size, |
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'extension' => $file->getClientOriginalExtension(), |
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'mime_type' => $mimeType, |
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]; |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @return array|object |
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*/ |
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public function getValidationErrors() |
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{ |
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return $this->errors; |
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} |
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/** |
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* Clear out a folder and its content. |
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* |
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* @param string $folder Absolute path to the folder |
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* @param bool $removeDirectory If you want to remove the folder as well |
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* |
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* @throws \Exception |
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*/ |
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public function clean($folder, $removeDirectory = false) |
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{ |
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if ( ! is_dir($folder)) { |
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throw new \Exception(('Not a folder.')); |
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} |
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array_map('unlink', glob($folder . DIRECTORY_SEPARATOR . '*')); |
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if ($removeDirectory && file_exists($folder)) { |
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rmdir($folder); |
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} |
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} |
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/** |
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* function to generate unique filename for images. |
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* |
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* @param string $filename |
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* |
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* @return string |
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*/ |
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public function getUniqueFilename($filename) |
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{ |
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$uniqueName = uniqid(); |
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$fileExt = explode('.', $filename); |
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$mimeType = end($fileExt); |
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$filename = $uniqueName . '.' . $mimeType; |
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return $filename; |
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} |
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/** |
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* Generate a random UUID for folder name (version 4). |
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* |
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* @see http://www.ietf.org/rfc/rfc4122.txt |
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* |
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* @return string RFC 4122 UUID |
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* |
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* @copyright Matt Farina MIT License https://github.com/lootils/uuid/blob/master/LICENSE |
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*/ |
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public function getUniqueFolderName() |
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{ |
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return sprintf( |
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'%04x%04x-%04x-%04x-%04x-%04x%04x%04x', |
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mt_rand(0, 65535), |
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mt_rand(0, 65535), |
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mt_rand(0, 65535), |
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mt_rand(0, 4095) | 0x4000, |
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mt_rand(0, 0x3fff) | 0x8000, |
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mt_rand(0, 65535), |
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mt_rand(0, 65535), |
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mt_rand(0, 65535) |
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); |
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} |
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} |
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