public function processRequest()
 {
     $request = $this->getRequest();
     $author_phid = $request->getUser()->getPHID();
     $action = $request->getStr('action');
     $engine = PhabricatorMarkupEngine::newDifferentialMarkupEngine();
     $comment = new DifferentialComment();
     $comment->setContent($request->getStr('content'));
     $comment->setAction($action);
     $comment->setAuthorPHID($author_phid);
     $handles = array($author_phid);
     $reviewers = $request->getStr('reviewers');
     if (($action == DifferentialAction::ACTION_ADDREVIEWERS || $action == DifferentialAction::ACTION_REQUEST) && $reviewers) {
         $reviewers = explode(',', $reviewers);
         $comment->setMetadata(array(DifferentialComment::METADATA_ADDED_REVIEWERS => $reviewers));
         $handles = array_merge($handles, $reviewers);
     }
     $ccs = $request->getStr('ccs');
     if ($action == DifferentialAction::ACTION_ADDCCS && $ccs) {
         $ccs = explode(',', $ccs);
         $comment->setMetadata(array(DifferentialComment::METADATA_ADDED_CCS => $ccs));
         $handles = array_merge($handles, $ccs);
     }
     $handles = id(new PhabricatorObjectHandleData($handles))->loadHandles();
     $view = new DifferentialRevisionCommentView();
     $view->setUser($request->getUser());
     $view->setComment($comment);
     $view->setHandles($handles);
     $view->setMarkupEngine($engine);
     $view->setPreview(true);
     $view->setTargetDiff(null);
     $draft = new PhabricatorDraft();
     $draft->setAuthorPHID($author_phid)->setDraftKey('differential-comment-' . $this->id)->setDraft($comment->getContent())->replace();
     return id(new AphrontAjaxResponse())->setContent($view->render());
 }
 public function processRequest()
 {
     $request = $this->getRequest();
     $author_phid = $request->getUser()->getPHID();
     $action = $request->getStr('action');
     $engine = PhabricatorMarkupEngine::newDifferentialMarkupEngine();
     $comment = new DifferentialComment();
     $comment->setContent($request->getStr('content'));
     $comment->setAction($action);
     $comment->setAuthorPHID($author_phid);
     $handles = array($author_phid);
     $reviewers = $request->getStrList('reviewers');
     if (DifferentialAction::allowReviewers($action) && $reviewers) {
         $comment->setMetadata(array(DifferentialComment::METADATA_ADDED_REVIEWERS => $reviewers));
         $handles = array_merge($handles, $reviewers);
     }
     $ccs = $request->getStrList('ccs');
     if ($action == DifferentialAction::ACTION_ADDCCS && $ccs) {
         $comment->setMetadata(array(DifferentialComment::METADATA_ADDED_CCS => $ccs));
         $handles = array_merge($handles, $ccs);
     }
     $handles = $this->loadViewerHandles($handles);
     $view = new DifferentialRevisionCommentView();
     $view->setUser($request->getUser());
     $view->setComment($comment);
     $view->setHandles($handles);
     $view->setMarkupEngine($engine);
     $view->setPreview(true);
     $view->setTargetDiff(null);
     $metadata = array('reviewers' => $reviewers, 'ccs' => $ccs);
     if ($action != DifferentialAction::ACTION_COMMENT) {
         $metadata['action'] = $action;
     }
     id(new PhabricatorDraft())->setAuthorPHID($author_phid)->setDraftKey('differential-comment-' . $this->id)->setDraft($comment->getContent())->setMetadata($metadata)->replaceOrDelete();
     return id(new AphrontAjaxResponse())->setContent($view->render());
 }