ldc-supportweb/app/Models/Company.php

<?php

namespace App\Models;

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

/**
 * @property int $id
 * @property string $name
 * @property \Illuminate\Support\Carbon|null $created_at
 * @property \Illuminate\Support\Carbon|null $updated_at
 * @property-read \Illuminate\Database\Eloquent\Collection<int, \App\Models\Invoice> $invoices
 * @property-read mixed $value
 * @method static \Database\Factories\CompanyFactory factory($count = null, $state = [])
 * @mixin \Eloquent
 */
class Company extends Model
{
    use HasFactory;

    /**
     * The attributes that are fillable.
     *
     * @var array
     */
    protected $fillable = [
        'name'
    ];

    /**
     * The accessors to append to the model's array form.
     *
     * @var array
     */
    protected $appends = [
        'value'
    ];

    /**
     * HasMany Invoices
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function invoices()
    {
        return $this->hasMany(Invoice::class);
    }

    /**
     * Return value attribute for belongsto search component
     *
     * @return \Illuminate\Database\Eloquent\Casts\Attribute
     */
    protected function value(): Attribute
    {
        return new Attribute(
            get: fn () => $this->id,
        );
    }
}