Change client create_contact response type

omnisend/includes/Internal/V1/class-client.php

@@ -8,6 +8,7 @@
 namespace Omnisend\Internal\V1;
 
 use Omnisend\Sdk\V1\Contact;
+use Omnisend\Sdk\V1\CreateContactResponse;
 use WP_Error;
 
 defined( 'ABSPATH' ) || die( 'no direct access' );
@@ -30,7 +31,7 @@ public function __construct( string $api_key, string $plugin_name, string $plugi
 	}
 
 
-	public function create_contact( $contact ): mixed {
+	public function create_contact( $contact ): CreateContactResponse {
 		$error = new WP_Error();
 
 		if ( $contact instanceof Contact ) {
@@ -42,7 +43,7 @@ public function create_contact( $contact ): mixed {
 		$error->merge_from( $this->check_setup() );
 
 		if ( $error->has_errors() ) {
-			return $error;
+			return new CreateContactResponse( '', $error );
 		}
 
 		$response = wp_remote_post(
@@ -61,31 +62,31 @@ public function create_contact( $contact ): mixed {
 
 		if ( is_wp_error( $response ) ) {
 			error_log('wp_remote_post error: ' . $response->get_error_message()); // phpcs:ignore
-			return $response;
+			return new CreateContactResponse( '', $response );
 		}
 
 		$http_code = wp_remote_retrieve_response_code( $response );
 		if ( $http_code >= 400 ) {
 			$body    = wp_remote_retrieve_body( $response );
 			$err_msg = "HTTP error: {$http_code} - " . wp_remote_retrieve_response_message( $response ) . " - {$body}";
 			$error->add( 'omnisend_api', $err_msg );
-			return $error;
+			return new CreateContactResponse( '', $error );
 		}
 
 		$body = wp_remote_retrieve_body( $response );
 		if ( ! $body ) {
 			$error->add( 'omnisend_api', 'empty response' );
-			return $error;
+			return new CreateContactResponse( '', $error );
 		}
 
 		$arr = json_decode( $body, true );
 
 		if ( empty( $arr['contactID'] ) ) {
 			$error->add( 'omnisend_api', 'contactID not found in response.' );
-			return $error;
+			return new CreateContactResponse( '', $error );
 		}
 
-		return (string) $arr['contactID'];
+		return new CreateContactResponse( (string) $arr['contactID'], $error );
 	}
 
 	/**

omnisend/includes/Sdk/V1/class-client.php

@@ -22,7 +22,7 @@ interface Client {
 	 *
 	 * @param Contact $contact
 	 *
-	 * @return string|WP_Error Created/updated contact identifier (ID) or WP_Error
+	 * @return CreateContactResponse
 	 */
-	public function create_contact( $contact ): mixed;
+	public function create_contact( $contact ): CreateContactResponse;
 }

omnisend/includes/Sdk/V1/class-createcontactresponse.php

@@ -0,0 +1,36 @@
+<?php
+/**
+ * Omnisend Client
+ *
+ * @package OmnisendClient
+ */
+
+namespace Omnisend\Sdk\V1;
+
+use WP_Error;
+
+defined( 'ABSPATH' ) || die( 'no direct access' );
+
+class CreateContactResponse {
+
+	private string $contact_id;
+
+	private WP_Error $wp_error;
+
+	/**
+	 * @param string $contact_id
+	 * @param WP_Error $wp_error
+	 */
+	public function __construct( string $contact_id, WP_Error $wp_error ) {
+		$this->contact_id = $contact_id;
+		$this->wp_error   = $wp_error;
+	}
+
+	public function get_contact_id(): string {
+		return $this->contact_id;
+	}
+
+	public function get_wp_error(): WP_Error {
+		return $this->wp_error;
+	}
+}