/**
  * Upload the review version of an article.
  * @param $sectionEditorSubmission object
  */
 function uploadReviewVersion($sectionEditorSubmission)
 {
     import('classes.file.ArticleFileManager');
     $articleFileManager = new ArticleFileManager($sectionEditorSubmission->getId());
     $sectionEditorSubmissionDao =& DAORegistry::getDAO('SectionEditorSubmissionDAO');
     $fileName = 'upload';
     if ($articleFileManager->uploadedFileExists($fileName) && !HookRegistry::call('SectionEditorAction::uploadReviewVersion', array(&$sectionEditorSubmission))) {
         if ($sectionEditorSubmission->getReviewFileId() != null) {
             $reviewFileId = $articleFileManager->uploadReviewFile($fileName, $sectionEditorSubmission->getReviewFileId());
             // Increment the review revision.
             $sectionEditorSubmission->setReviewRevision($sectionEditorSubmission->getReviewRevision() + 1);
         } else {
             $reviewFileId = $articleFileManager->uploadReviewFile($fileName);
             $sectionEditorSubmission->setReviewRevision(1);
         }
         $editorFileId = $articleFileManager->copyToEditorFile($reviewFileId, $sectionEditorSubmission->getReviewRevision(), $sectionEditorSubmission->getEditorFileId());
     }
     if (isset($reviewFileId) && $reviewFileId != 0 && isset($editorFileId) && $editorFileId != 0) {
         $sectionEditorSubmission->setReviewFileId($reviewFileId);
         $sectionEditorSubmission->setEditorFileId($editorFileId);
         $sectionEditorSubmissionDao->updateSectionEditorSubmission($sectionEditorSubmission);
     }
 }