erpsaas/app/Concerns/CompanyOwned.php

<?php

namespace App\Concerns;

use App\Scopes\CurrentCompanyScope;
use Illuminate\Database\Eloquent\ModelNotFoundException;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Log;
use Wallo\FilamentCompanies\FilamentCompanies;

trait CompanyOwned
{
    public static function bootCompanyOwned(): void
    {
        static::creating(static function ($model) {
            if (empty($model->company_id)) {
                $companyId = session('current_company_id');

                if (! $companyId && Auth::check()) {
                    $companyId = Auth::user()->currentCompany->id;
                    session(['current_company_id' => $companyId]);
                }

                if ($companyId) {
                    $model->company_id = $companyId;
                } else {
                    Log::error('CurrentCompanyScope: No company_id found for user ' . Auth::id());

                    throw new ModelNotFoundException('CurrentCompanyScope: No company_id set in the session, user, or database.');
                }
            }
        });

        static::addGlobalScope(new CurrentCompanyScope);
    }

    public function company(): BelongsTo
    {
        return $this->belongsTo(FilamentCompanies::companyModel(), 'company_id');
    }
}