exchange-2.0/app/Models/SegmentConstant.php

<?php

namespace App\Models;

use App\Classes\ValueObjects\Constants\SegmentConstants;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\SoftDeletes;

/**
 * Class SegmentConstant
 * @package App\Models
 *
 * @property int $segment_id
 * @property object $detail
 */
class SegmentConstant extends AbstractModel
{
    use SoftDeletes;

    protected $table = 'segment_constants';

    /**
     * Get the attributes that should be cast.
     *
     * @return array<string, string>
     */
    protected function casts(): array
    {
        return [
            'detail'     => 'object',
            'deleted_at' => 'datetime',
        ];
    }

    /**
     * @return BelongsTo
     */
    public function segment(): BelongsTo
    {
        return $this->BelongsTo(Segment::class, 'segment_id', 'id');
    }

    /**
     * @return mixed
     */
    public function service(){
        return $this->hasOne(ServiceType::class, 'id', 'detail->id')
            ->whereIn('reference', [SegmentConstants::SERVICE_TYPE, SegmentConstants::CUSTOM_SERVICE_TYPE]);
    }



}