smms_law_re/app/Models/Intervaldis.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Intervaldis extends Model
{
    use HasFactory;
    protected $table = 'intervaldis';

    protected $fillable = [
        'start_serialnumber',
        'end_serialnumber',
        'distance',
        'limit_speed',
        'outlaw_speed',
        'limit_time',
        'speed_alert',
        'count_alert',
        'location',
        'location_id',
        'certificatenumber',
        'crosspathban',
        'carkindban',
        'start_cert',
        'end_cert',
    ];
    protected $hidden = [
        'created_at',
        'updated_at',
        'deleted_at'
    ];

    protected $appends = ['start_num', 'end_num'];

    public function getStartNumAttribute()
    {
        return IntervalEquipment::find($this->start_serialnumber)->serialnumber;
    }

    public function getEndNumAttribute()
    {
        return IntervalEquipment::find($this->end_serialnumber)->serialnumber;
    }

    public function start()
    {
        return $this->belongsTo(IntervalEquipment::class, 'start_serialnumber', 'serialnumber');
    }

    public function end()
    {
        return $this->belongsTo(IntervalEquipment::class, 'end_serialnumber', 'serialnumber');
    }

}