invoiceninja/app/Import/Transformer/Csv/PaymentTransformer.php

<?php
/**
 * client Ninja (https://clientninja.com).
 *
 * @link https://github.com/clientninja/clientninja source repository
 *
 * @copyright Copyright (c) 2021. client Ninja LLC (https://clientninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\Import\Transformer\Csv;

use App\Import\ImportException;
use App\Import\Transformer\BaseTransformer;

/**
 * Class PaymentTransformer.
 */
class PaymentTransformer extends BaseTransformer
{
	/**
	 * @param $data
	 *
	 * @return array
	 */
	public function transform($data)
	{
		$client_id = $this->getClient(
			$this->getString($data, 'payment.client_id'),
			$this->getString($data, 'payment.client_id')
		);

		if (empty($client_id)) {
			throw new ImportException('Could not find client.');
		}

		$transformed = [
			'company_id' => $this->company->id,
			'number' => $this->getString($data, 'payment.number'),
			'user_id' => $this->getString($data, 'payment.user_id'),
			'amount' => $this->getFloat($data, 'payment.amount'),
			'refunded' => $this->getFloat($data, 'payment.refunded'),
			'applied' => $this->getFloat($data, 'payment.applied'),
			'transaction_reference' => $this->getString(
				$data,
				'payment.transaction_reference '
			),
			'date' => $this->getString($data, 'payment.date'),
			'private_notes' => $this->getString($data, 'payment.private_notes'),
			'custom_value1' => $this->getString($data, 'payment.custom_value1'),
			'custom_value2' => $this->getString($data, 'payment.custom_value2'),
			'custom_value3' => $this->getString($data, 'payment.custom_value3'),
			'custom_value4' => $this->getString($data, 'payment.custom_value4'),
			'client_id' => $client_id,
		];

		if (
			isset($data['payment.invoice_number']) &&
			($invoice_id = $this->getInvoiceId($data['payment.invoice_number']))
		) {
			$transformed['invoices'] = [
				[
					'invoice_id' => $invoice_id,
					'amount' => $transformed['amount'] ?? null,
				],
			];
		}

		return $transformed;
	}
}