portal-api/app/Models/ServiceCancellationRequest.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class ServiceCancellationRequest extends Model
{
    public const STATUS_PENDING = 'pending';

    public const STATUS_APPROVED = 'approved';

    public const STATUS_REJECTED = 'rejected';

    protected $casts = ['resolved_at' => 'datetime'];

    protected $guarded = [];

    public function service()
    {
        return $this->belongsTo(Service::class);
    }

    public function customer()
    {
        return $this->belongsTo(Customer::class);
    }

    public function scopePending($query)
    {
        return $query->where('status', self::STATUS_PENDING);
    }
}