/**
  * Pin project
  *
  * @param void
  * @return null
  */
 function pin()
 {
     if ($this->active_project->isNew()) {
         $this->httpError(HTTP_ERR_NOT_FOUND);
     }
     // if
     if ($this->request->isSubmitted()) {
         $pin = PinnedProjects::pinProject($this->active_project, $this->logged_user);
         if ($pin && !is_error($pin)) {
             if ($this->request->isAsyncCall()) {
                 die($this->active_project->getUnpinUrl());
             } else {
                 flash_success("Project ':name' has been marked as favorite", array('name' => $this->active_project->getName()));
             }
             //if
         } else {
             if ($this->request->isAsyncCall()) {
                 $this->httpError(HTTP_ERR_OPERATION_FAILED);
             } else {
                 flash_error("Failed to mark ':name' project as favorite", array('name' => $this->active_project->getName()));
             }
             // if
         }
         // if
         $this->redirectToReferer(assemble_url('dashboard'));
     } else {
         $this->httpError(HTTP_ERR_BAD_REQUEST);
     }
     // if
 }