private function getRevisionCommentActions(DifferentialRevision $revision)
 {
     $actions = array(DifferentialAction::ACTION_COMMENT => true);
     $viewer = $this->getRequest()->getUser();
     $viewer_phid = $viewer->getPHID();
     $viewer_is_owner = $viewer_phid == $revision->getAuthorPHID();
     $viewer_is_reviewer = in_array($viewer_phid, $revision->getReviewers());
     $viewer_did_accept = $viewer_phid === $revision->loadReviewedBy();
     $status = $revision->getStatus();
     $allow_self_accept = PhabricatorEnv::getEnvConfig('differential.allow-self-accept', false);
     if ($viewer_is_owner) {
         switch ($status) {
             case ArcanistDifferentialRevisionStatus::NEEDS_REVIEW:
                 $actions[DifferentialAction::ACTION_ACCEPT] = $allow_self_accept;
                 $actions[DifferentialAction::ACTION_ABANDON] = true;
                 $actions[DifferentialAction::ACTION_RETHINK] = true;
                 break;
             case ArcanistDifferentialRevisionStatus::NEEDS_REVISION:
                 $actions[DifferentialAction::ACTION_ACCEPT] = $allow_self_accept;
                 $actions[DifferentialAction::ACTION_ABANDON] = true;
                 $actions[DifferentialAction::ACTION_REQUEST] = true;
                 break;
             case ArcanistDifferentialRevisionStatus::ACCEPTED:
                 $actions[DifferentialAction::ACTION_ABANDON] = true;
                 $actions[DifferentialAction::ACTION_REQUEST] = true;
                 $actions[DifferentialAction::ACTION_RETHINK] = true;
                 $actions[DifferentialAction::ACTION_CLOSE] = true;
                 break;
             case ArcanistDifferentialRevisionStatus::CLOSED:
                 break;
             case ArcanistDifferentialRevisionStatus::ABANDONED:
                 $actions[DifferentialAction::ACTION_RECLAIM] = true;
                 break;
         }
     } else {
         switch ($status) {
             case ArcanistDifferentialRevisionStatus::NEEDS_REVIEW:
                 $actions[DifferentialAction::ACTION_ACCEPT] = true;
                 $actions[DifferentialAction::ACTION_REJECT] = true;
                 $actions[DifferentialAction::ACTION_RESIGN] = $viewer_is_reviewer;
                 break;
             case ArcanistDifferentialRevisionStatus::NEEDS_REVISION:
                 $actions[DifferentialAction::ACTION_ACCEPT] = true;
                 $actions[DifferentialAction::ACTION_RESIGN] = $viewer_is_reviewer;
                 break;
             case ArcanistDifferentialRevisionStatus::ACCEPTED:
                 $actions[DifferentialAction::ACTION_REJECT] = true;
                 $actions[DifferentialAction::ACTION_RESIGN] = $viewer_is_reviewer && !$viewer_did_accept;
                 break;
             case ArcanistDifferentialRevisionStatus::CLOSED:
             case ArcanistDifferentialRevisionStatus::ABANDONED:
                 break;
         }
         if ($status != ArcanistDifferentialRevisionStatus::CLOSED) {
             $actions[DifferentialAction::ACTION_CLAIM] = true;
         }
     }
     $actions[DifferentialAction::ACTION_ADDREVIEWERS] = true;
     $actions[DifferentialAction::ACTION_ADDCCS] = true;
     $actions = array_keys(array_filter($actions));
     $actions_dict = array();
     foreach ($actions as $action) {
         $actions_dict[$action] = DifferentialAction::getActionVerb($action);
     }
     return $actions_dict;
 }
 private function getRevisionCommentActions(DifferentialRevision $revision)
 {
     $actions = array(DifferentialAction::ACTION_COMMENT => true);
     $admin_actions = array();
     $viewer = $this->getRequest()->getUser();
     $viewer_phid = $viewer->getPHID();
     $viewer_is_admin = $viewer->getIsAdmin();
     $viewer_is_owner = $viewer_phid == $revision->getAuthorPHID();
     $viewer_is_reviewer = in_array($viewer_phid, $revision->getReviewers());
     $viewer_did_accept = $viewer_phid === $revision->loadReviewedBy();
     if ($viewer_is_owner) {
         switch ($revision->getStatus()) {
             case DifferentialRevisionStatus::NEEDS_REVIEW:
                 $actions[DifferentialAction::ACTION_ABANDON] = true;
                 $actions[DifferentialAction::ACTION_RETHINK] = true;
                 break;
             case DifferentialRevisionStatus::NEEDS_REVISION:
                 $actions[DifferentialAction::ACTION_ABANDON] = true;
                 $actions[DifferentialAction::ACTION_REQUEST] = true;
                 break;
             case DifferentialRevisionStatus::ACCEPTED:
                 $actions[DifferentialAction::ACTION_ABANDON] = true;
                 $actions[DifferentialAction::ACTION_REQUEST] = true;
                 $actions[DifferentialAction::ACTION_RETHINK] = true;
                 break;
             case DifferentialRevisionStatus::COMMITTED:
                 break;
             case DifferentialRevisionStatus::ABANDONED:
                 $actions[DifferentialAction::ACTION_RECLAIM] = true;
                 break;
         }
     } else {
         switch ($revision->getStatus()) {
             case DifferentialRevisionStatus::NEEDS_REVIEW:
                 $admin_actions[DifferentialAction::ACTION_ABANDON] = $viewer_is_admin;
                 $actions[DifferentialAction::ACTION_ACCEPT] = true;
                 $actions[DifferentialAction::ACTION_REJECT] = true;
                 $actions[DifferentialAction::ACTION_RESIGN] = $viewer_is_reviewer;
                 break;
             case DifferentialRevisionStatus::NEEDS_REVISION:
                 $admin_actions[DifferentialAction::ACTION_ABANDON] = $viewer_is_admin;
                 $actions[DifferentialAction::ACTION_ACCEPT] = true;
                 $actions[DifferentialAction::ACTION_RESIGN] = $viewer_is_reviewer;
                 break;
             case DifferentialRevisionStatus::ACCEPTED:
                 $admin_actions[DifferentialAction::ACTION_ABANDON] = $viewer_is_admin;
                 $actions[DifferentialAction::ACTION_REJECT] = true;
                 $actions[DifferentialAction::ACTION_RESIGN] = $viewer_is_reviewer && !$viewer_did_accept;
                 break;
             case DifferentialRevisionStatus::COMMITTED:
             case DifferentialRevisionStatus::ABANDONED:
                 break;
         }
     }
     $actions[DifferentialAction::ACTION_ADDREVIEWERS] = true;
     $actions[DifferentialAction::ACTION_ADDCCS] = true;
     $actions = array_keys(array_filter($actions));
     $admin_actions = array_keys(array_filter($admin_actions));
     $actions_dict = array();
     foreach ($actions as $action) {
         $actions_dict[$action] = DifferentialAction::getActionVerb($action);
     }
     foreach ($admin_actions as $action) {
         $actions_dict[$action] = '(Admin) ' . DifferentialAction::getActionVerb($action);
     }
     return $actions_dict;
 }