public function onSubmit($data)
 {
     //Validation is already mostly done by the form class. Sweet.
     $this->project = $data['project-name'];
     $this->organization = $data['organization-name'];
     $this->group = $data['group-name'];
     $this->reason = $data['reason'];
     $this->old_project = ApprovedRevs::getProjectName($this->getTitle());
     $this->old_organization = ApprovedRevs::getOrganizationName($this->getTitle());
     $this->old_group = ApprovedRevs::getGroup($this->getTitle());
     // no change?
     if ($this->project == $this->old_project && $this->organization == $this->old_organization && $this->group == $this->old_group) {
         return array('approvedrevs-form-error-nochange');
     }
     if (empty($this->old_project)) {
         $action = 'assign';
     } elseif (empty($this->project)) {
         // Already assigned to project
         $action = 'unassign';
     } else {
         $action = 'reassign';
     }
     ApprovedRevs::logProjectAssignment($this->getTitle(), $action, $this->getUser(), $this->project, $this->organization, $this->group, $this->reason);
     ApprovedRevs::saveProjectAssociationInDB($this->getTitle(), $action, $this->project, $this->organization, $this->group);
     return true;
 }