belongsTo('App\Seat'); } public function singleSeatUser(){ return $this->belongsTo('App\SingleSeatsUser'); } public function calcSeatName(){ $seatNamePrinter = new SeatNamePrinter($this); return $seatNamePrinter->calcSeatName(); } public function culturecardTicket(){ return $this->hasOne('App\CulturecardTicket', 'singleseat_id'); } }