public function newAction()
 {
     if (!isset($this->admin_session->user)) {
         header("Location: /");
     }
     $project_model = new ProjectModel();
     $contributions_model = new ContributionModel();
     $image_model = new ImageModel();
     $contributions = explode(", ", $_POST['contributions']);
     $project = array($_POST['title'], $_POST['description'], $_POST['url']);
     //Create project
     $project_id = $project_model->addOne($project);
     //Create default image
     $image_model->addDefault($project_id);
     if ($project_id && !empty($contributions)) {
         foreach ($contributions as $contribution) {
             $contributions_model->addOne(array($project_id), array($contribution));
         }
     }
     header("Location: /admin/projects");
 }