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<?php |
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namespace Padosoft\Uploadable; |
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use DB; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Http\UploadedFile; |
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use Illuminate\Support\Facades\Log; |
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use Illuminate\Support\Facades\URL; |
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use Padosoft\Io\DirHelper; |
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use Padosoft\Io\FileHelper; |
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use Padosoft\Laravel\Request\RequestHelper; |
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use Padosoft\Laravel\Request\UploadedFileHelper; |
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/** |
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* Class Uploadable |
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* Auto upload and save files on save/create/delete model. |
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* @package Padosoft\Uploadable |
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*/ |
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trait Uploadable |
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{ |
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/** @var UploadOptions */ |
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protected $uploadOptions; |
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/** |
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* Determine if the model or given attribute(s) have been modified. |
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* Implemented in \Illuminate\Database\Eloquent\Model |
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* |
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* @param array|string|null $attributes = null |
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* |
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* @return bool |
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*/ |
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abstract public function isDirty($attributes = null); |
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/** |
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* Get the model's original attribute values. |
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* Implemented in \Illuminate\Database\Eloquent\Model |
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* |
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* @param string|null $key = null |
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* @param mixed $default = null |
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* |
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* @return mixed|array |
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*/ |
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abstract public function getOriginal($key = null, $default = null); |
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/** |
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* Boot the trait. |
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*/ |
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public static function bootUploadable() |
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{ |
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self::bindCreateEvents(); |
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self::bindSaveEvents(); |
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self::bindUpdateEvents(); |
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self::bindDeleteEvents(); |
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} |
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/** |
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* Bind create model events. |
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*/ |
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protected static function bindCreateEvents() |
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{ |
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static::creating(function ($model) { |
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$model->uploadOptions = $model->getUploadOptionsOrDefault(); |
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$model->guardAgainstInvalidUploadOptions(); |
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}); |
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} |
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/** |
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* Bind save model events. |
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*/ |
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protected static function bindSaveEvents() |
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{ |
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static::saved(function (Model $model) { |
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$model->uploadFiles(); |
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}); |
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} |
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/** |
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* Bind update model events. |
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*/ |
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protected static function bindUpdateEvents() |
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{ |
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static::updating(function (Model $model) { |
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//check if there is old files to delete |
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$model->checkIfNeedToDeleteOldFiles(); |
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}); |
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} |
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/** |
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* Bind delete model events. |
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*/ |
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protected static function bindDeleteEvents() |
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{ |
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static::deleting(function (Model $model) { |
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$model->uploadOptions = $model->getUploadOptionsOrDefault(); |
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$model->guardAgainstInvalidUploadOptions(); |
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//check if there is old files to delete |
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$model->checkIfNeedToDeleteOldFiles(); |
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}); |
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static::deleted(function (Model $model) { |
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$model->deleteUploadedFiles(); |
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}); |
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} |
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/** |
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* Retrive a specifice UploadOptions for this model, or return default UploadOptions |
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* @return UploadOptions |
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*/ |
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public function getUploadOptionsOrDefault() : UploadOptions |
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{ |
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if ($this->uploadOptions) { |
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return $this->uploadOptions; |
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} |
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if (method_exists($this, 'getUploadOptions')) { |
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$method = 'getUploadOptions'; |
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$this->uploadOptions = $this->{$method}(); |
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} else { |
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$this->uploadOptions = UploadOptions::create()->getUploadOptionsDefault() |
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->setUploadBasePath(public_path('upload/' . $this->getTable())); |
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} |
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return $this->uploadOptions; |
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} |
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/** |
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* This function will throw an exception when any of the options is missing or invalid. |
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* @throws InvalidOption |
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*/ |
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public function guardAgainstInvalidUploadOptions() |
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{ |
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if (!count($this->uploadOptions->uploads)) { |
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throw InvalidOption::missingUploadFields(); |
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} |
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if ($this->uploadOptions->uploadBasePath === null || $this->uploadOptions->uploadBasePath == '') { |
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throw InvalidOption::missingUploadBasePath(); |
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} |
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} |
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/** |
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* Handle file upload. |
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*/ |
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public function uploadFiles() |
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{ |
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//invalid model |
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if ($this->id < 1) { |
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return; |
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} |
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//loop for every upload model attributes and do upload if has a file in request |
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foreach ($this->getUploadsAttributesSafe() as $uploadField) { |
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$this->uploadFile($uploadField); |
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} |
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} |
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/** |
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* Upload a file releted to a passed attribute name |
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* @param string $uploadField |
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*/ |
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public function uploadFile(string $uploadField) |
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{ |
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//check if there is a valid file in request for current attribute |
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if (!RequestHelper::isValidCurrentRequestUploadFile($uploadField, |
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$this->getUploadOptionsOrDefault()->uploadsMimeType) |
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) { |
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return; |
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} |
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//retrive the uploaded file |
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$uploadedFile = RequestHelper::getCurrentRequestFileSafe($uploadField); |
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if ($uploadedFile === null) { |
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return; |
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} |
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//calcolate new file name and set it to model attribute |
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$this->generateNewUploadFileNameAndSetAttribute($uploadField); |
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//do the work |
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$newName = $this->doUpload($uploadedFile, $uploadField); |
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//save on db (not call model save because invoke event and entering in loop) |
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$this->updateDb($uploadField, $newName); |
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} |
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/** |
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* Get an UploadedFile, generate new name, and save it in destination path. |
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* Return empty string if it fails, otherwise return the saved file name. |
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* @param UploadedFile $uploadedFile |
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* @param string $uploadAttribute |
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* @return string |
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*/ |
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public function doUpload(UploadedFile $uploadedFile, $uploadAttribute) : string |
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{ |
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if (!$uploadAttribute) { |
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return ''; |
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} |
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//get file name by attribute |
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$newName = $this->{$uploadAttribute}; |
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//get upload path to store (method create dir if not exists and return '' if it failed) |
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$pathToStore = $this->getUploadFileBasePath($uploadAttribute); |
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//delete if file already exists |
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FileHelper::unlinkSafe(DirHelper::njoin($pathToStore, $newName)); |
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//move file to destination folder |
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try { |
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$targetFile = $uploadedFile->move($pathToStore, $newName); |
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} catch (\Symfony\Component\HttpFoundation\File\Exception\FileException $e) { |
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$targetFile = null; |
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Log::warning('Error in doUpload() when try to move ' . $newName . ' to folder: ' . $pathToStore . PHP_EOL . $e->getMessage() . PHP_EOL . $e->getTraceAsString()); |
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} |
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return $targetFile ? $newName : ''; |
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} |
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/** |
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* Check request for valid files and server for correct paths defined in model |
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* @return bool |
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*/ |
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public function requestHasValidFilesAndCorrectPaths() : bool |
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{ |
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//current request has not uploaded files |
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if (!RequestHelper::currentRequestHasFiles()) { |
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return false; |
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} |
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//ensure that all upload path are ok or create it. |
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if (!$this->checkOrCreateAllUploadBasePaths()) { |
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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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* Generate a new file name for uploaded file. |
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* Return empty string if uploadedFile is null, otherwise return the new file name.. |
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* @param UploadedFile $uploadedFile |
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* @return string |
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* @internal param string $uploadField |
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*/ |
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public function generateNewUploadFileName(UploadedFile $uploadedFile) : string |
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{ |
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if (!$this->id && $this->getUploadOptionsOrDefault()->appendModelIdSuffixInUploadedFileName) { |
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return ''; |
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} |
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//check if file need a new name |
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$newName = $this->calcolateNewUploadFileName($uploadedFile); |
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if ($newName != '') { |
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return $newName; |
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} |
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//no new file name, return original file name |
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return $uploadedFile->getFilename(); |
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} |
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/** |
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* Check if file need a new name and return it, otherwise return empty string. |
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* @param UploadedFile $uploadedFile |
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* @return string |
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*/ |
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public function calcolateNewUploadFileName(UploadedFile $uploadedFile) : string |
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{ |
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if (!$this->getUploadOptionsOrDefault()->appendModelIdSuffixInUploadedFileName) { |
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return ''; |
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} |
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//retrive original file name and extension |
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$filenameWithoutExtension = UploadedFileHelper::getFilenameWithoutExtension($uploadedFile); |
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$ext = $uploadedFile->getClientOriginalExtension(); |
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$newName = $filenameWithoutExtension . $this->getUploadOptionsOrDefault()->uploadFileNameSuffixSeparator . $this->id . '.' . $ext; |
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return sanitize_filename($newName); |
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} |
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/** |
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* delete all Uploaded Files |
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*/ |
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public function deleteUploadedFiles() |
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{ |
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//loop for every upload model attributes |
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foreach ($this->getUploadOptionsOrDefault()->uploads as $uploadField) { |
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$this->deleteUploadedFile($uploadField); |
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} |
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} |
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/** |
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* Delete upload file related to passed attribute name |
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* @param string $uploadField |
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*/ |
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public function deleteUploadedFile(string $uploadField) |
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{ |
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if (!$uploadField) { |
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return; |
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} |
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if (!$this->{$uploadField}) { |
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return; |
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} |
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//retrive correct upload storage path for current attribute |
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$uploadFieldPath = $this->getUploadFileBasePath($uploadField); |
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//unlink file |
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$path = DirHelper::njoin($uploadFieldPath, $this->{$uploadField}); |
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FileHelper::unlinkSafe($path); |
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//reset model attribute and update db field |
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$this->setBlanckAttributeAndDB($uploadField); |
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} |
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/** |
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* Reset model attribute and update db field |
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* @param string $uploadField |
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*/ |
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public function setBlanckAttributeAndDB(string $uploadField) |
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{ |
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if (!$uploadField) { |
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return; |
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} |
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//set to black attribute |
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$this->{$uploadField} = ''; |
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//save on db (not call model save because invoke event and entering in loop) |
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$this->updateDb($uploadField, ''); |
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} |
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/** |
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* Return true If All Upload atrributes Are Empty or |
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* if the uploads array is not set. |
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* @return bool |
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*/ |
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public function checkIfAllUploadFieldsAreEmpty() : bool |
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{ |
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foreach ($this->getUploadsAttributesSafe() as $uploadField) { |
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//for performance if one attribute has value exit false |
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if ($uploadField && $this->{$uploadField}) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Check all attributes upload path, and try to create dir if not already exists. |
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* Return false if it fails to create all founded dirs. |
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* @return bool |
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*/ |
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public function checkOrCreateAllUploadBasePaths() : bool |
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{ |
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foreach ($this->getUploadsAttributesSafe() as $uploadField) { |
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if (!$this->checkOrCreateUploadBasePath($uploadField)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Check uploads property and return a uploads class field |
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* or empty array if somethings wrong. |
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* @return array |
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*/ |
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public function getUploadsAttributesSafe() : array |
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{ |
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if (!is_array($this->getUploadOptionsOrDefault()->uploads)) { |
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return []; |
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} |
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return $this->getUploadOptionsOrDefault()->uploads; |
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} |
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/** |
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* Check attribute upload path, and try to create dir if not already exists. |
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* Return false if it fails to create the dir. |
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* @param string $uploadField |
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* @return bool |
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*/ |
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public function checkOrCreateUploadBasePath(string $uploadField) : bool |
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{ |
388
|
|
|
$uploadFieldPath = $this->getUploadFileBasePath($uploadField); |
389
|
|
|
|
390
|
|
|
return $uploadFieldPath == '' ? '' : DirHelper::checkDirExistOrCreate($uploadFieldPath, |
391
|
|
|
$this->getUploadOptionsOrDefault()->uploadCreateDirModeMask); |
392
|
|
|
} |
393
|
|
|
|
394
|
|
|
/** |
395
|
|
|
* Return the upload path for the passed attribute and try to create it if not exists. |
396
|
|
|
* Returns empty string if dir if not exists and fails to create it. |
397
|
|
|
* @param string $uploadField |
398
|
|
|
* @return string |
399
|
|
|
*/ |
400
|
|
|
public function getUploadFileBasePath(string $uploadField) : string |
401
|
|
|
{ |
402
|
|
|
//default model upload path |
403
|
|
|
$uploadFieldPath = DirHelper::canonicalize($this->getUploadOptionsOrDefault()->uploadBasePath); |
404
|
|
|
|
405
|
|
|
//overwrite if there is specific path for the field |
406
|
|
|
$specificPath = $this->getUploadFileBasePathSpecific($uploadField); |
407
|
|
|
if ($specificPath != '') { |
408
|
|
|
$uploadFieldPath = $specificPath; |
409
|
|
|
} |
410
|
|
|
|
411
|
|
|
//check if exists or try to create dir |
412
|
|
|
if (!DirHelper::checkDirExistOrCreate($uploadFieldPath, |
413
|
|
|
$this->getUploadOptionsOrDefault()->uploadCreateDirModeMask) |
414
|
|
|
) { |
415
|
|
|
return ''; |
416
|
|
|
} |
417
|
|
|
|
418
|
|
|
return $uploadFieldPath; |
419
|
|
|
} |
420
|
|
|
|
421
|
|
|
/** |
422
|
|
|
* Return the specific upload path (by uploadPaths prop) for the passed attribute if exists, |
423
|
|
|
* otherwise return empty string. |
424
|
|
|
* If uploadPaths for this field is relative, a public_path was appended. |
425
|
|
|
* @param string $uploadField |
426
|
|
|
* @return string |
427
|
|
|
*/ |
428
|
|
|
public function getUploadFileBasePathSpecific(string $uploadField) : string |
429
|
|
|
{ |
430
|
|
|
//check if there is a specified upload path for this field |
431
|
|
|
if (!$this->hasUploadPathSpecifiedForThisField($uploadField)) { |
432
|
|
|
return ''; |
433
|
|
|
} |
434
|
|
|
|
435
|
|
|
$path = $this->getUploadOptionsOrDefault()->uploadPaths[$uploadField]; |
436
|
|
|
|
437
|
|
|
//if path is relative, adjust it by public puth. |
438
|
|
|
if (DirHelper::isRelative($path)) { |
439
|
|
|
$path = public_path($path); |
440
|
|
|
} |
441
|
|
|
|
442
|
|
|
return DirHelper::canonicalize($path); |
443
|
|
|
} |
444
|
|
|
|
445
|
|
|
/** |
446
|
|
|
* Check if there is a specified upload path setted for this field |
447
|
|
|
* @param string $uploadField |
448
|
|
|
* @return bool |
449
|
|
|
*/ |
450
|
|
|
public function hasUploadPathSpecifiedForThisField(string $uploadField) : bool |
451
|
|
|
{ |
452
|
|
|
return !(empty($this->getUploadOptionsOrDefault()->uploadPaths) |
453
|
|
|
|| count($this->getUploadOptionsOrDefault()->uploadPaths) < 1 |
454
|
|
|
|| !array_key_exists($uploadField, $this->getUploadOptionsOrDefault()->uploadPaths) |
455
|
|
|
); |
456
|
|
|
} |
457
|
|
|
|
458
|
|
|
/** |
459
|
|
|
* Return the full (path+filename) upload abs path for the passed attribute. |
460
|
|
|
* Returns empty string if dir if not exists. |
461
|
|
|
* @param string $uploadField |
462
|
|
|
* @return string |
463
|
|
|
*/ |
464
|
|
|
public |
465
|
|
|
function getUploadFileFullPath( |
466
|
|
|
string $uploadField |
467
|
|
|
) : string |
468
|
|
|
{ |
469
|
|
|
$uploadFieldPath = $this->getUploadFileBasePath($uploadField); |
470
|
|
|
$uploadFieldPath = DirHelper::canonicalize(DirHelper::addFinalSlash($uploadFieldPath) . $this->{$uploadField}); |
471
|
|
|
|
472
|
|
|
if ($this->isSlashOrEmptyDir($uploadFieldPath)) { |
473
|
|
|
return ''; |
474
|
|
|
} |
475
|
|
|
|
476
|
|
|
return $uploadFieldPath; |
477
|
|
|
} |
478
|
|
|
|
479
|
|
|
/** |
480
|
|
|
* Return the full url (base url + filename) for the passed attribute. |
481
|
|
|
* Returns empty string if dir if not exists. |
482
|
|
|
* Ex.: http://localhost/laravel/public/upload/news/pippo.jpg |
483
|
|
|
* @param string $uploadField |
484
|
|
|
* @return string |
485
|
|
|
*/ |
486
|
|
|
public |
487
|
|
|
function getUploadFileUrl( |
488
|
|
|
string $uploadField |
489
|
|
|
) : string |
490
|
|
|
{ |
491
|
|
|
$Url = $this->getUploadFileFullPath($uploadField); |
492
|
|
|
|
493
|
|
|
$uploadFieldPath = DirHelper::canonicalize($this->removePublicPath($Url)); |
494
|
|
|
|
495
|
|
|
return $uploadFieldPath == '' ? '' : URL::to($uploadFieldPath); |
496
|
|
|
} |
497
|
|
|
|
498
|
|
|
/** |
499
|
|
|
* get a path and remove public_path. |
500
|
|
|
* @param string $path |
501
|
|
|
* @return string |
502
|
|
|
*/ |
503
|
|
|
public |
504
|
|
|
function removePublicPath( |
505
|
|
|
string $path |
506
|
|
|
) : string |
507
|
|
|
{ |
508
|
|
|
if ($path == '') { |
509
|
|
|
return ''; |
510
|
|
|
} |
511
|
|
|
$path = str_replace(DirHelper::canonicalize(public_path()), '', DirHelper::canonicalize($path)); |
512
|
|
|
if ($this->isSlashOrEmptyDir($path)) { |
513
|
|
|
return ''; |
514
|
|
|
} |
515
|
|
|
|
516
|
|
|
return $path; |
517
|
|
|
} |
518
|
|
|
|
519
|
|
|
/** |
520
|
|
|
* Return the base url (without filename) for the passed attribute. |
521
|
|
|
* Returns empty string if dir if not exists. |
522
|
|
|
* Ex.: http://localhost/laravel/public/upload/ |
523
|
|
|
* @param string $uploadField |
524
|
|
|
* @return string |
525
|
|
|
*/ |
526
|
|
|
public |
527
|
|
|
function getUploadFileBaseUrl( |
528
|
|
|
string $uploadField |
529
|
|
|
) : string |
530
|
|
|
{ |
531
|
|
|
$uploadFieldPath = $this->getUploadFileBasePath($uploadField); |
532
|
|
|
|
533
|
|
|
$uploadFieldPath = DirHelper::canonicalize(DirHelper::addFinalSlash($this->removePublicPath($uploadFieldPath))); |
534
|
|
|
|
535
|
|
|
if ($this->isSlashOrEmptyDir($uploadFieldPath)) { |
536
|
|
|
return ''; |
537
|
|
|
} |
538
|
|
|
|
539
|
|
|
return URL::to($uploadFieldPath); |
540
|
|
|
} |
541
|
|
|
|
542
|
|
|
/** |
543
|
|
|
* Calcolate the new name for ALL uploaded files and set relative upload attributes |
544
|
|
|
*/ |
545
|
|
|
public |
546
|
|
|
function generateAllNewUploadFileNameAndSetAttribute() |
547
|
|
|
{ |
548
|
|
|
foreach ($this->getUploadsAttributesSafe() as $uploadField) { |
549
|
|
|
$this->generateNewUploadFileNameAndSetAttribute($uploadField); |
550
|
|
|
} |
551
|
|
|
} |
552
|
|
|
|
553
|
|
|
/** |
554
|
|
|
* Calcolate the new name for uploaded file relative to passed attribute name and set the upload attribute |
555
|
|
|
* @param string $uploadField |
556
|
|
|
*/ |
557
|
|
|
public |
558
|
|
|
function generateNewUploadFileNameAndSetAttribute( |
559
|
|
|
string $uploadField |
560
|
|
|
) { |
561
|
|
|
if (!trim($uploadField)) { |
562
|
|
|
return; |
563
|
|
|
} |
564
|
|
|
|
565
|
|
|
//generate new file name |
566
|
|
|
$uploadedFile = RequestHelper::getCurrentRequestFileSafe($uploadField); |
567
|
|
|
if ($uploadedFile === null) { |
568
|
|
|
return; |
569
|
|
|
} |
570
|
|
|
$newName = $this->generateNewUploadFileName($uploadedFile); |
|
|
|
|
571
|
|
|
if ($newName == '') { |
572
|
|
|
return; |
573
|
|
|
} |
574
|
|
|
|
575
|
|
|
//set attribute |
576
|
|
|
$this->{$uploadField} = $newName; |
577
|
|
|
} |
578
|
|
|
|
579
|
|
|
/** |
580
|
|
|
* @param string $uploadField |
581
|
|
|
* @param string $newName |
582
|
|
|
*/ |
583
|
|
|
public |
584
|
|
|
function updateDb( |
585
|
|
|
string $uploadField, |
586
|
|
|
string $newName |
587
|
|
|
) { |
588
|
|
|
if ($this->id < 1) { |
589
|
|
|
return; |
590
|
|
|
} |
591
|
|
|
DB::table($this->getTable()) |
|
|
|
|
592
|
|
|
->where('id', $this->id) |
593
|
|
|
->update([$uploadField => $newName]); |
594
|
|
|
} |
595
|
|
|
|
596
|
|
|
/** |
597
|
|
|
* @param string $path |
598
|
|
|
* @return bool |
599
|
|
|
*/ |
600
|
|
|
public |
601
|
|
|
function isSlashOrEmptyDir( |
602
|
|
|
string $path |
603
|
|
|
):bool |
604
|
|
|
{ |
605
|
|
|
return isNullOrEmpty($path) || $path == '\/' || $path == DIRECTORY_SEPARATOR; |
606
|
|
|
} |
607
|
|
|
|
608
|
|
|
/** |
609
|
|
|
* Check if all uploadedFields are changed, so there is an old value |
610
|
|
|
* for attribute and if true try to unlink old file. |
611
|
|
|
*/ |
612
|
|
|
public |
613
|
|
|
function checkIfNeedToDeleteOldFiles() |
614
|
|
|
{ |
615
|
|
|
foreach ($this->getUploadsAttributesSafe() as $uploadField) { |
616
|
|
|
$this->checkIfNeedToDeleteOldFile($uploadField); |
617
|
|
|
} |
618
|
|
|
} |
619
|
|
|
|
620
|
|
|
/** |
621
|
|
|
* Check if $uploadField are changed, so there is an old value |
622
|
|
|
* for $uploadField attribute and if true try to unlink old file. |
623
|
|
|
* @param string $uploadField |
624
|
|
|
*/ |
625
|
|
|
public |
626
|
|
|
function checkIfNeedToDeleteOldFile( |
627
|
|
|
string $uploadField |
628
|
|
|
) { |
629
|
|
|
if (isNullOrEmpty($uploadField) |
630
|
|
|
|| !$this->isDirty($uploadField) |
631
|
|
|
|| ($this->{$uploadField} == $this->getOriginal($uploadField)) |
632
|
|
|
) { |
633
|
|
|
return; |
634
|
|
|
} |
635
|
|
|
|
636
|
|
|
$oldValue = $this->getOriginal($uploadField); |
637
|
|
|
|
638
|
|
|
FileHelper::unlinkSafe(DirHelper::njoin($this->getUploadFileBasePath($uploadField), $oldValue)); |
639
|
|
|
} |
640
|
|
|
} |
641
|
|
|
|
This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idable
provides a methodequalsId
that in turn relies on the methodgetId()
. If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()
as an abstract method to the trait will make sure it is available.