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<?php |
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namespace Lincable\Http; |
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use Illuminate\Http\Request; |
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use Illuminate\Http\UploadedFile; |
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use Lincable\Concerns\BuildClassnames; |
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use Illuminate\Contracts\Container\Container; |
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use Symfony\Component\HttpFoundation\File\File; |
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abstract class FileRequest |
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{ |
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use BuildClassnames; |
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/** |
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* The uploaded file instance. |
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* |
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* @var \Illuminate\Http\File |
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*/ |
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protected $file; |
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/** |
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* The request instance. |
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* |
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* @var \Illuminate\Http\Request |
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*/ |
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protected $request; |
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/** |
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* Determine wheter has been booted with a request. |
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* |
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* @var bool |
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*/ |
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protected $booted = false; |
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/** |
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* The directory where the uploaded file will be temporary moved. |
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* |
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* @var string |
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*/ |
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protected $tempDirectory = '/tmp'; |
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/** |
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* Rules to validate the file on request. |
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* |
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* @param \Illuminate\Http\UploadedFile $file |
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* @return mixed |
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*/ |
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abstract protected function rules(UploadedFile $file); |
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/** |
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* Boot the instance with the request. |
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* |
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* @param \Illuminate\Http\Request $request |
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* @return void |
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*/ |
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public function boot(Request $request) |
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{ |
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$this->request = $request; |
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$this->guardFile($request->file($this->getParameter())); |
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$this->booted = true; |
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} |
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/** |
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* Return wheter the file request is booted. |
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* |
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* If is booted that means the file has been validated and |
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* a request instance is available on instance. |
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* |
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* @return bool |
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*/ |
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public function isBooted() |
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{ |
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return $this->booted; |
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} |
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/** |
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* Return the file on request. |
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* |
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* @return \Illuminate\Http\UploadedFile |
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*/ |
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public function getFile() |
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{ |
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return $this->file; |
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} |
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/** |
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* Return the current request instance. |
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* |
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* @return \Illuminate\Http\Request |
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*/ |
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public function getRequest() |
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{ |
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return $this->request; |
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} |
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/** |
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* Prepared the file to send. |
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* |
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* @param \Illuminate\Contracts\Container\Container $app |
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* @return \Symfony\Component\HttpFoundation\File\File |
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*/ |
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public function prepareFile(Container $app) |
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{ |
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$file = $this->moveFileToTempDirectory(); |
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$this->executeFileEvents($app, $file); |
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return $file; |
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} |
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/** |
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* Return the file parameter on request. |
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* |
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* @return string |
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*/ |
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protected function getParameter() |
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{ |
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$className = static::class; |
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return $this->nameFromClass($className); |
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} |
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/** |
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* Guard the file through validations and then set |
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* the file on class instance. |
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* |
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* @param \Illuminate\Http\UploadedFile $file |
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* @return void |
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*/ |
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protected function guardFile(UploadedFile $file) |
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{ |
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$validationRules = $this->parseValidationRules($file); |
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// Validate the request file from rules. |
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$this->request->validate($validationRules); |
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$this->file = $file; |
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} |
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/** |
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* Get the rules for the file validation. |
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* |
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* @param \Illuminate\Http\UploadedFile $file |
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* @return array |
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*/ |
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protected function parseValidationRules(UploadedFile $file) |
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{ |
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return [$this->getParameter() => $this->rules($file)]; |
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} |
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/** |
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* Move the file to a temporary destination. |
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* |
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* @return \Symfony\Component\HttpFoundation\File\File |
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*/ |
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protected function moveFileToTempDirectory() |
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{ |
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$destination = $this->file->hashName($this->tempDirectory); |
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return $this->file->move($destination); |
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} |
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/** |
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* Execute some generic event methods on class if available. |
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* |
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* Here the file can be changed, optimized, etc... |
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* |
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* @param \Illuminate\Contracts\Container\Container $app |
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* @param \Symfony\Component\HttpFoundation\File\File $file |
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* @return void |
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*/ |
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protected function executeFileEvents(Container $app, File $file) |
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{ |
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$eventMethod = 'beforeSend'; |
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if (method_exists($this, $eventMethod)) { |
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$app->call([$this, $eventMethod], $file); |
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} |
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} |
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/** |
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* Return the class suffix convention. |
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* |
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* @return string |
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*/ |
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protected function getSuffix() |
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{ |
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return class_basename(__CLASS__); |
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} |
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} |
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