ladill-pos/app/Models/PosLocation.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;

class PosLocation extends Model
{
    protected $fillable = [
        'owner_ref',
        'name',
        'currency',
        'receipt_footer',
    ];

    public function products(): HasMany
    {
        return $this->hasMany(PosProduct::class, 'location_id');
    }

    public function sales(): HasMany
    {
        return $this->hasMany(PosSale::class, 'location_id');
    }

    public function scopeOwned(Builder $query, string $ownerRef): Builder
    {
        return $query->where('owner_ref', $ownerRef);
    }
}