philiplb / CRUDlex

     * @param string $entityName

     * the name of the entity as this class here is not aware of it

     */

    public function createFiles(Request $request, Entity $entity, $entityName) {

        $result = $this->shouldExecuteEvents($entity, 'before', 'createFiles');

        if (!$result) {

            return false;

        }

        $fileProcessor = $this->fileProcessor;

        $this->performOnFiles($entity, $entityName, function($entity, $entityName, $field) use ($fileProcessor, $request) {

            $fileProcessor->createFile($request, $entity, $entityName, $field);

        });

        $this->shouldExecuteEvents($entity, 'after', 'createFiles');

        return true;

    }

    /**

     * Updates the uploaded files of an updated entity.

     * @return boolean

     * true on successful update

     */

    public function updateFiles(Request $request, Entity $entity, $entityName) {

        $result = $this->shouldExecuteEvents($entity, 'before', 'updateFiles');

        if (!$result) {

            return false;

        }

        $fileProcessor = $this->fileProcessor;

        $this->performOnFiles($entity, $entityName, function($entity, $entityName, $field) use ($fileProcessor, $request) {

            $fileProcessor->updateFile($request, $entity, $entityName, $field);

        });

        $this->shouldExecuteEvents($entity, 'after', 'updateFiles');

        return true;

    }

    /**

     * Deletes a specific file from an existing entity.

     * @return boolean

     * true on successful deletion

     */

    public function deleteFiles(Entity $entity, $entityName) {

        $result = $this->shouldExecuteEvents($entity, 'before', 'deleteFiles');

        if (!$result) {

            return false;

        }

        $fileProcessor = $this->fileProcessor;

        $this->performOnFiles($entity, $entityName, function($entity, $entityName, $field) use ($fileProcessor) {

            $fileProcessor->deleteFile($entity, $entityName, $field);

        });

        $this->shouldExecuteEvents($entity, 'after', 'deleteFiles');

        return true;

    }

    /**

     * Renders (outputs) a file of an entity. This includes setting headers