invoiceninja/app/Services/Migration/CompanyService.php

<?php

namespace App\Services\Migration;

use App\Models\Account;

class CompanyService
{
    protected $isSuccessful;
    protected $companies = [];

    public function start()
    {
        try {
            if (session(SESSION_USER_ACCOUNTS)) {
                foreach (session(SESSION_USER_ACCOUNTS) as $company) {
                    $account = Account::find($company->account_id);

                    if ($account) {
                        $this->companies[] = [
                            'id' => $account->id,
                            'name' => $account->present()->name(),
                            'company_key' => $account->account_key,
                        ];
                    }
                }
            } else {
                $this->companies[] = [
                    'id' => auth()->user()->account->id,
                    'name' => auth()->user()->account->present()->name(),
                    'company_key' => auth()->user()->account->account_key,
                ];
            }

            $this->isSuccessful = true;
        } catch (\Exception $th) {
            $this->isSuccessful = false;
            $this->errors = [];
        }

        return $this;
    }

    public function isSuccessful()
    {
        return $this->isSuccessful;
    }

    public function getCompanies()
    {
        if ($this->isSuccessful) {
            return $this->companies;
        }

        return [];
    }

    public function getErrors()
    {
        return $this->errors;
    }
}