private function addRowToOutput($day, $cashier_log_row, $work_hours_one_row)
    {
        $row_data = [
            'day' => $day,
            'normal_work_hours' => $work_hours_one_row[0]->normal_work_hours,
            'night_work_hours' => $work_hours_one_row[0]->night_work_hours,
            'holiday_work_hours' => $work_hours_one_row[0]->holiday_work_hours
        ];

        if ($this->for_sell_point_report || $this->for_month_time_card) {

            $row_data['last_name'] = $cashier_log_row->last_name;
            $row_data['first_name'] = $cashier_log_row->first_name;
            // id will be needed to group by cashier
            $row_data['id'] = $cashier_log_row->id;
            // needed for month time card. For sell point report not needed
            $row_data['is_weekend'] = $this->isWeekend($day);

            // $cashier_log_row->id is cashier id. This say we have day and cashier id unique keys, for easier search
            // later if exists row with day and cashier combination
            $this->output_rows[$day . $cashier_log_row->id] = $row_data;
        }
        else {
            // for cashier report

            $row_data['shops'] = [$cashier_log_row->address];

            $this->output_rows[$day] = $row_data;
        }
    }