invoiceninja/app/Import/Transformers/Invoicely/InvoiceTransformer.php

<?php
/**
 * client Ninja (https://clientninja.com).
 *
 * @link https://github.com/clientninja/clientninja source repository
 *
 * @copyright Copyright (c) 2022. client Ninja LLC (https://clientninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\Import\Transformers\Invoicely;

use App\Import\ImportException;
use App\Import\Transformers\BaseTransformer;
use App\Models\Invoice;

/**
 * Class InvoiceTransformer.
 */
class InvoiceTransformer extends BaseTransformer {
	/**
	 * @param $data
	 *
	 * @return bool|array
	 */
	public function transform( $data ) {
		if ( $this->hasInvoice( $data['Details'] ) ) {
			throw new ImportException( 'Invoice number already exists' );
		}

		$transformed = [
			'company_id' => $this->maps['company']->id,
			'client_id'  => $this->getClient( $this->getString( $data, 'Client' ), null ),
			'number'     => $this->getString( $data, 'Details' ),
			'date'       => isset( $data['Date'] ) ? date( 'Y-m-d', strtotime( $data['Date'] ) ) : null,
			'due_date'   => isset( $data['Due'] ) ? date( 'Y-m-d', strtotime( $data['Due'] ) ) : null,
			'status_id'  => Invoice::STATUS_SENT,
			'line_items' => [
				[
					'cost'     => $amount = $this->getFloat( $data, 'Total' ),
					'quantity' => 1,
				],
			],
		];

		if ( strtolower( $data['Status'] ) === 'paid' ) {
			$transformed['payments'] = [
				[
					'date'   => date( 'Y-m-d' ),
					'amount' => $amount,
				],
			];
		}

		return $transformed;
	}
}