Payment Transformer for CSV imports

app/Import/Transformer/Csv/PaymentTransformer.php

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+<?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->maps['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;
+	}
+}