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File name : UserInvoiceCalculator.php

Content :<?php /* * This file is part of the Kimai time-tracking app. * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace App\Invoice\Calculator; use App\Invoice\CalculatorInterface; use App\Invoice\InvoiceItemInterface; /** * A calculator that sums up the invoice item records by user. */ class UserInvoiceCalculator extends AbstractSumInvoiceCalculator implements CalculatorInterface { protected function calculateSumIdentifier(InvoiceItemInterface $invoiceItem): string { if (null === $invoiceItem->getUser()->getId()) { throw new \Exception('Cannot handle un-persisted user'); } return (string) $invoiceItem->getUser()->getId(); } /** * @return string */ public function getId(): string { return 'user'; } }

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