public function buildSprintIconNavView(PhabricatorProject $project)
 {
     $viewer = $this->getViewer();
     $id = $project->getID();
     $picture = $project->getProfileImageURI();
     $name = $project->getName();
     $enable_phragile = PhabricatorEnv::getEnvConfig('sprint.enable-phragile');
     $phragile_base_uri = PhabricatorEnv::getEnvConfig('sprint.phragile-uri');
     $phragile_uri = new PhutilURI($phragile_base_uri . $id);
     $columns = id(new PhabricatorProjectColumnQuery())->setViewer($viewer)->withProjectPHIDs(array($project->getPHID()))->execute();
     if ($columns) {
         $board_icon = 'fa-columns';
     } else {
         $board_icon = 'fa-columns grey';
     }
     $nav = new AphrontSideNavFilterView();
     $nav->setIconNav(true);
     if ($this->isSprint($project) !== false) {
         $nav->setBaseURI(new PhutilURI($this->getApplicationURI()));
         $nav->addIcon("profile/{$id}/", $name, null, $picture, null);
         $nav->addIcon("burn/{$id}/", pht('Burndown'), 'fa-fire', null, null);
         if ($enable_phragile) {
             $nav->addIcon("sprints/{$id}/", pht('Phragile'), 'fa-pie-chart', null, $phragile_uri);
         }
         $nav->addIcon("board/{$id}/", pht('Sprint Board'), $board_icon, null, null);
         $nav->addIcon('.', pht('Sprint List'), 'fa-bar-chart', null, null);
     } else {
         $nav->setBaseURI(new PhutilURI($this->getProjectsURI()));
         $nav->addIcon("profile/{$id}/", $name, null, $picture);
         $nav->addIcon("board/{$id}/", pht('Workboard'), $board_icon);
     }
     $class = 'PhabricatorManiphestApplication';
     if (PhabricatorApplication::isClassInstalledForViewer($class, $viewer)) {
         $phid = $project->getPHID();
         $query_uri = urisprintf('/maniphest/?statuses=open()&projects=%s#R', $phid);
         $nav->addIcon(null, pht('Open Tasks'), 'fa-anchor', null, $query_uri);
     }
     $nav->addIcon("feed/{$id}/", pht('Feed'), 'fa-newspaper-o', null, null);
     $nav->addIcon("members/{$id}/", pht('Members'), 'fa-group', null, null);
     $nav->addIcon("details/{$id}/", pht('Edit Details'), 'fa-pencil', null, null);
     return $nav;
 }