original_string: public function beforeAction($action)
      {
          try {
              if (parent::beforeAction($action)) {
                  $this->db = !$this->db ? Podium::getInstance()->getDb() : Instance::ensure($this->db, Connection::className());
                  $this->mailer = Instance::ensure($this->mailer, BaseMailer::className());
                  return true;
              }
          } catch (Exception $e) {
              $this->stderr("ERROR: " . $e->getMessage() . "\n");
          }
          return false;
      }
code: public function beforeAction($action)
      {
          try {
              if (parent::beforeAction($action)) {
                  $this->db = !$this->db ? Podium::getInstance()->getDb() : Instance::ensure($this->db, Connection::className());
                  $this->mailer = Instance::ensure($this->mailer, BaseMailer::className());
                  return true;
              }
          } catch (Exception $e) {
              $this->stderr("ERROR: " . $e->getMessage() . "\n");
          }
          return false;
      }
code_tokens: public function beforeAction ( $ action ) { try { if ( parent :: beforeAction ( $ action ) ) { $ this -> db = ! $ this -> db ? Podium :: getInstance ( ) -> getDb ( ) : Instance :: ensure ( $ this -> db , Connection :: className ( ) ) ; $ this -> mailer = Instance :: ensure ( $ this -> mailer , BaseMailer :: className ( ) ) ; return true ; } } catch ( Exception $ e ) { $ this -> stderr ( "ERROR: " . $ e -> getMessage ( ) . "\n" ) ; } return false ; }
docstring: Checks the existence of the db and mailer components.
  @param Action $action the action to be executed.
  @return bool whether the action should continue to be executed.
docstring_tokens: Checks the existence of the db and mailer components .