/**
  * Build data for contribution form
  *
  * @param string $action
  * @param SystemAccount $account
  * @return AccountContribution|OneTimeContribution
  */
 private function buildFormData($action, SystemAccount $account)
 {
     $clientAccount = $account->getClientAccount();
     $existContribution = $account->getAccountContribution();
     switch ($action) {
         case 'one_time':
             $data = $this->buildOneTimeContributionData($clientAccount, $existContribution);
             break;
         case 'create':
             $data = $this->buildCreateContributionData($clientAccount, $existContribution);
             break;
         default:
             $data = $this->buildUpdateContributionData($existContribution);
             break;
     }
     return $data;
 }