diff --git a/includes/API/Customers_Controller.php b/includes/API/Customers_Controller.php
index d3e62df..a75a055 100644
--- a/includes/API/Customers_Controller.php
+++ b/includes/API/Customers_Controller.php
@@ -2,9 +2,9 @@
 
 namespace WCPOS\WooCommercePOS\API;
 
-\defined('ABSPATH') || die;
+\defined( 'ABSPATH' ) || die;
 
-if ( ! class_exists('WC_REST_Customers_Controller') ) {
+if ( ! class_exists( 'WC_REST_Customers_Controller' ) ) {
 	return;
 }
 
@@ -25,6 +25,7 @@
 class Customers_Controller extends WC_REST_Customers_Controller {
 	use Traits\Uuid_Handler;
 	use Traits\WCPOS_REST_API;
+	use Traits\Query_Helpers;
 
 	/**
 	 * Endpoint namespace.
@@ -58,8 +59,8 @@ public function get_item_schema() {
 		$schema = parent::get_item_schema();
 
 		// Check and remove email format validation from the billing property
-		if (isset($schema['properties']['billing']['properties']['email']['format'])) {
-			unset($schema['properties']['billing']['properties']['email']['format']);
+		if ( isset( $schema['properties']['billing']['properties']['email']['format'] ) ) {
+			unset( $schema['properties']['billing']['properties']['email']['format'] );
 		}
 
 		return $schema;
@@ -73,7 +74,7 @@ public function get_collection_params() {
 		$params = parent::get_collection_params();
 
 		// Check if 'orderby' is set and is an array before modifying it
-		if (isset($params['orderby']) && \is_array($params['orderby']['enum'])) {
+		if ( isset( $params['orderby'] ) && \is_array( $params['orderby']['enum'] ) ) {
 			// Add new fields to the 'orderby' enum list
 			$new_orderby_options = array(
 				'first_name',
@@ -82,8 +83,8 @@ public function get_collection_params() {
 				'role',
 				'username',
 			);
-			foreach ($new_orderby_options as $option) {
-				if ( ! \in_array($option, $params['orderby']['enum'], true)) {
+			foreach ( $new_orderby_options as $option ) {
+				if ( ! \in_array( $option, $params['orderby']['enum'], true ) ) {
 					$params['orderby']['enum'][] = $option;
 				}
 			}
@@ -137,14 +138,14 @@ public function update_item( $request ) {
 	public function wcpos_validate_billing_email( WP_REST_Request $request ) {
 		// Your custom validation logic for the request data
 		$billing = $request['billing'] ?? null;
-		$email   = \is_array($billing) ? ($billing['email'] ?? null) : null;
-	
-		if ( ! \is_null($email) && '' !== $email && ! is_email( $email ) ) {
+		$email   = \is_array( $billing ) ? ( $billing['email'] ?? null ) : null;
+
+		if ( ! \is_null( $email ) && '' !== $email && ! is_email( $email ) ) {
 			return new \WP_Error(
 				'rest_invalid_param',
 				// translators: Use default WordPress translation
 				__( 'Invalid email address.' ),
-				array('status' => 400)
+				array( 'status' => 400 )
 			);
 		}
 
@@ -205,18 +206,24 @@ public function wcpos_customer_response( WP_REST_Response $response, WP_User $us
 			$customer           = new WC_Customer( $user_data->ID );
 			$raw_meta_data      = $customer->get_meta_data();
 
-			$filtered_meta_data = array_filter($raw_meta_data, function ($meta) {
-				return '_woocommerce_pos_uuid' === $meta->key;
-			});
+			$filtered_meta_data = array_filter(
+				$raw_meta_data,
+				function ( $meta ) {
+					return '_woocommerce_pos_uuid' === $meta->key;
+				}
+			);
 
 			// Convert to WC REST API expected format
-			$data['meta_data'] = array_map(function ($meta) {
-				return array(
-					'id'    => $meta->id,
-					'key'   => $meta->key,
-					'value' => $meta->value,
-				);
-			}, array_values($filtered_meta_data));
+			$data['meta_data'] = array_map(
+				function ( $meta ) {
+					return array(
+						'id'    => $meta->id,
+						'key'   => $meta->key,
+						'value' => $meta->value,
+					);
+				},
+				array_values( $filtered_meta_data )
+			);
 		} catch ( Exception $e ) {
 			Logger::log( 'Error getting customer meta data: ' . $e->getMessage() );
 		}
@@ -277,18 +284,18 @@ public function wcpos_get_all_posts( array $fields = array() ): array {
 	public function wcpos_customer_query( array $prepared_args, WP_REST_Request $request ): array {
 		$query_params = $request->get_query_params();
 
-		// Existing meta query
-		$existing_meta_query = $prepared_args['meta_query'] ?? array();
-
 		// add modified_after date_modified_gmt
 		if ( isset( $query_params['modified_after'] ) && '' !== $query_params['modified_after'] ) {
 			$timestamp                   = strtotime( $query_params['modified_after'] );
-			$prepared_args['meta_query'] = array(
+			$prepared_args['meta_query'] = $this->wcpos_combine_meta_queries(
 				array(
-					'key'     => 'last_update',
-					'value'   => $timestamp ? (string) $timestamp : '',
-					'compare' => '>',
+					array(
+						'key'     => 'last_update',
+						'value'   => $timestamp ? (string) $timestamp : '',
+						'compare' => '>',
+					),
 				),
+				$prepared_args['meta_query']
 			);
 		}
 
@@ -340,7 +347,7 @@ public function wcpos_customer_query( array $prepared_args, WP_REST_Request $req
 			unset( $prepared_args['search'] );
 			$prepared_args['_wcpos_search'] = $search_keyword; // store the search keyword for later use
 			add_action( 'pre_user_query', array( $this, 'wcpos_search_user_table' ) );
-	
+
 			$search_meta_query = array(
 				'relation' => 'OR',
 				array(
@@ -380,21 +387,10 @@ public function wcpos_customer_query( array $prepared_args, WP_REST_Request $req
 					'compare' => 'LIKE',
 				),
 			);
-	
-			// Merge with existing meta_query if any
-			if ( ! empty($existing_meta_query)) {
-				$existing_meta_query = array(
-					'relation' => 'AND',
-					$existing_meta_query,
-					$search_meta_query,
-				);
-			} else {
-				$existing_meta_query = $search_meta_query;
-			}
-		}
 
-		// Apply the modified or newly created meta_query
-		$prepared_args['meta_query'] = $existing_meta_query;
+			// Combine the search meta_query with the existing meta_query
+			$prepared_args['meta_query'] = $this->wcpos_combine_meta_queries( $search_meta_query, $prepared_args['meta_query'] );
+		}
 
 		return $prepared_args;
 	}
@@ -406,7 +402,7 @@ public function wcpos_customer_query( array $prepared_args, WP_REST_Request $req
 	 */
 	public function wcpos_search_user_table( $query ): void {
 		global $wpdb;
-		
+
 		// Remove the hook
 		remove_action( 'pre_user_query', array( $this, 'wcpos_search_user_table' ) );
 
@@ -417,7 +413,7 @@ public function wcpos_search_user_table( $query ): void {
 		// Prepare the LIKE statement
 		$like_email = '%' . $wpdb->esc_like( $search_keyword ) . '%';
 		$like_login = '%' . $wpdb->esc_like( $search_keyword ) . '%';
-		
+
 		$insertion = $wpdb->prepare(
 			"({$wpdb->users}.user_email LIKE %s) OR ({$wpdb->users}.user_login LIKE %s) OR ",
 			$like_email,
@@ -427,10 +423,10 @@ public function wcpos_search_user_table( $query ): void {
 		$pattern   = "/\(\s*\w+\.meta_key\s*=\s*'[^']+'\s*AND\s*\w+\.meta_value\s*LIKE\s*'[^']+'\s*\)(\s*OR\s*\(\s*\w+\.meta_key\s*=\s*'[^']+'\s*AND\s*\w+\.meta_value\s*LIKE\s*'[^']+'\s*\))*\s*/";
 
 		// Add the search keyword to the query
-		$modified_where = preg_replace($pattern, "$insertion$0", $query->query_where);
+		$modified_where = preg_replace( $pattern, "$insertion$0", $query->query_where );
 
 		// Check if the replacement was successful and assign it back to query_where
-		if ($modified_where !== $query->query_where) {
+		if ( $modified_where !== $query->query_where ) {
 			$query->query_where = $modified_where;
 		}
 	}
diff --git a/includes/API/Product_Variations_Controller.php b/includes/API/Product_Variations_Controller.php
index 5f765f4..a89dd3e 100644
--- a/includes/API/Product_Variations_Controller.php
+++ b/includes/API/Product_Variations_Controller.php
@@ -27,6 +27,7 @@ class Product_Variations_Controller extends WC_REST_Product_Variations_Controlle
 	use Traits\Product_Helpers;
 	use Traits\Uuid_Handler;
 	use Traits\WCPOS_REST_API;
+	use Traits\Query_Helpers;
 
 	/**
 	 * Endpoint namespace.
@@ -288,7 +289,7 @@ protected function prepare_objects_query( $request ) {
 
 		// Add online_only check
 		if ( $this->wcpos_pos_only_products_enabled() ) {
-			$default_meta_query = array(
+			$meta_query = array(
 				'relation' => 'OR',
 				array(
 					'key'     => '_pos_visibility',
@@ -301,56 +302,91 @@ protected function prepare_objects_query( $request ) {
 				),
 			);
 
-			if ( isset( $args['meta_query'] ) ) {
-				if ( ! isset( $args['meta_query']['relation'] ) ) {
-					$args['meta_query']['relation'] = 'AND';
-				}
-				$args['meta_query'] = array_merge_recursive( $args['meta_query'], $default_meta_query );
-			} else {
-				$args['meta_query'] = $default_meta_query;
-			}
+			// Combine meta queries
+			$args['meta_query'] = $this->wcpos_combine_meta_queries( $args['meta_query'], $meta_query );
+
 		};
 
 		return $args;
 	}
 
 	/**
-	 * Endpoint for searching all product variations.
+	 * Endpoint for getting all product variations, eg: search for sku or barcode.
 	 *
 	 * @param WP_REST_Request $request Full details about the request.
 	 */
 	public function wcpos_get_all_items( $request ) {
-		// Prepare arguments for the product query
-		$args = array(
-			'post_type' => 'product_variation',
-			'posts_per_page' => 10, // Limit to 10 items per page
-			'orderby' => 'ID', // Default ordering
-			'order' => 'ASC',
-			'paged' => ! empty( $request['page'] ) ? $request['page'] : 1, // Handle pagination
-		);
+		$query_args = $this->prepare_objects_query( $request );
+		if ( is_wp_error( current( $query_args ) ) ) {
+			return current( $query_args );
+		}
 
 		// Check if 'search' param is set for SKU search
-		if ( ! empty( $request['search'] ) ) {
-			$args['meta_query'] = array(
-				array(
-					'key' => '_sku',
-					'value' => $request['search'],
-					'compare' => 'LIKE',
-				),
+		if ( ! empty( $query_args['s'] ) ) {
+			$barcode_field = $this->wcpos_get_barcode_field();
+			$meta_query = array(
+				'key' => '_sku',
+				'value' => $query_args['s'],
+				'compare' => 'LIKE',
 			);
+
+			if ( $barcode_field && '_sku' !== $barcode_field ) {
+				$meta_query = array(
+					'relation' => 'OR',
+					$meta_query,
+					array(
+						'key' => $barcode_field,
+						'value' => $query_args['s'],
+						'compare' => 'LIKE',
+					),
+				);
+			}
+
+			// Combine meta queries
+			$query_args['meta_query'] = $this->wcpos_combine_meta_queries( $query_args['meta_query'], $meta_query );
+
+			unset( $query_args['s'] );
+		}
+
+		$query_results = $this->get_objects( $query_args );
+
+		$objects = array();
+		foreach ( $query_results['objects'] as $object ) {
+			if ( ! \wc_rest_check_post_permissions( $this->post_type, 'read', $object->get_id() ) ) {
+				continue;
+			}
+
+			$data      = $this->prepare_object_for_response( $object, $request );
+			$objects[] = $this->prepare_response_for_collection( $data );
 		}
 
-		// Get product variations
-		$query = new WP_Query( $args );
-		$variations = array();
+		$page      = (int) $query_args['paged'];
+		$max_pages = $query_results['pages'];
 
-		foreach ( $query->posts as $variation ) {
-			$object = new WC_Product_Variation( $variation->ID );
-			$response = $this->prepare_object_for_response( $object, $request );
-			$variations[] = $this->prepare_response_for_collection( $response );
+		$response = rest_ensure_response( $objects );
+		$response->header( 'X-WP-Total', $query_results['total'] );
+		$response->header( 'X-WP-TotalPages', (int) $max_pages );
+
+		/**
+		 * Note: custom endpoint for getting all product variations
+		 */
+		$base          = 'products/variations';
+		$base = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $base ) ) );
+
+		if ( $page > 1 ) {
+			$prev_page = $page - 1;
+			if ( $prev_page > $max_pages ) {
+				$prev_page = $max_pages;
+			}
+			$prev_link = add_query_arg( 'page', $prev_page, $base );
+			$response->link_header( 'prev', $prev_link );
+		}
+		if ( $max_pages > $page ) {
+			$next_page = $page + 1;
+			$next_link = add_query_arg( 'page', $next_page, $base );
+			$response->link_header( 'next', $next_link );
 		}
 
-		// Return the response
-		return new WP_REST_Response( $variations, 200 );
+		return $response;
 	}
 }
diff --git a/includes/API/Products_Controller.php b/includes/API/Products_Controller.php
index 7119849..4bdf15d 100644
--- a/includes/API/Products_Controller.php
+++ b/includes/API/Products_Controller.php
@@ -2,9 +2,9 @@
 
 namespace WCPOS\WooCommercePOS\API;
 
-\defined('ABSPATH') || die;
+\defined( 'ABSPATH' ) || die;
 
-if ( ! class_exists('WC_REST_Products_Controller') ) {
+if ( ! class_exists( 'WC_REST_Products_Controller' ) ) {
 	return;
 }
 
@@ -26,6 +26,7 @@ class Products_Controller extends WC_REST_Products_Controller {
 	use Traits\Product_Helpers;
 	use Traits\Uuid_Handler;
 	use Traits\WCPOS_REST_API;
+	use Traits\Query_Helpers;
 
 	/**
 	 * Endpoint namespace.
@@ -57,21 +58,21 @@ public function __construct() {
 	 */
 	public function get_item_schema() {
 		$schema = parent::get_item_schema();
-	
+
 		// Add the 'barcode' property if 'properties' exists and is an array
-		if (isset($schema['properties']) && \is_array($schema['properties'])) {
+		if ( isset( $schema['properties'] ) && \is_array( $schema['properties'] ) ) {
 			$schema['properties']['barcode'] = array(
-				'description' => __('Barcode', 'woocommerce-pos'),
+				'description' => __( 'Barcode', 'woocommerce-pos' ),
 				'type'        => 'string',
-				'context'     => array('view', 'edit'),
+				'context'     => array( 'view', 'edit' ),
 				'readonly'    => false,
 			);
 		}
 
 		// Check for 'stock_quantity' and allow decimal
-		if ($this->wcpos_allow_decimal_quantities()     &&
-			isset($schema['properties']['stock_quantity']) &&
-			\is_array($schema['properties']['stock_quantity'])) {
+		if ( $this->wcpos_allow_decimal_quantities() &&
+			isset( $schema['properties']['stock_quantity'] ) &&
+			\is_array( $schema['properties']['stock_quantity'] ) ) {
 			$schema['properties']['stock_quantity']['type'] = 'string';
 		}
 
@@ -84,14 +85,14 @@ public function get_item_schema() {
 	 */
 	public function get_collection_params() {
 		$params = parent::get_collection_params();
-	
+
 		// Check if 'per_page' parameter exists and has a 'minimum' key before modifying
-		if (isset($params['per_page']) && \is_array($params['per_page'])) {
+		if ( isset( $params['per_page'] ) && \is_array( $params['per_page'] ) ) {
 			$params['per_page']['minimum'] = -1;
 		}
 
 		// Ensure 'orderby' is set and is an array before attempting to modify it
-		if (isset($params['orderby']['enum']) && \is_array($params['orderby']['enum'])) {
+		if ( isset( $params['orderby']['enum'] ) && \is_array( $params['orderby']['enum'] ) ) {
 			// Define new sorting options
 			$new_sort_options = array(
 				'sku',
@@ -100,9 +101,9 @@ public function get_collection_params() {
 				'stock_status',
 			);
 			// Merge new options, avoiding duplicates
-			$params['orderby']['enum'] = array_unique(array_merge($params['orderby']['enum'], $new_sort_options));
+			$params['orderby']['enum'] = array_unique( array_merge( $params['orderby']['enum'], $new_sort_options ) );
 		}
-	
+
 		return $params;
 	}
 
@@ -250,11 +251,11 @@ public function wcpos_posts_search( string $search, WP_Query $wp_query ) {
 			$fields_to_search[] = $barcode_field;
 		}
 
-		foreach ((array) $q['search_terms'] as $term) {
-			$term = $n . $wpdb->esc_like($term) . $n;
+		foreach ( (array) $q['search_terms'] as $term ) {
+			$term = $n . $wpdb->esc_like( $term ) . $n;
 
 			foreach ( $fields_to_search as $field ) {
-				if ( \in_array( $field, array('post_title'), true ) ) {
+				if ( \in_array( $field, array( 'post_title' ), true ) ) {
 					$search .= $wpdb->prepare( "{$searchand}($wpdb->posts.$field LIKE %s)", $term );
 				} else {
 					$search .= $wpdb->prepare( "{$searchand}(pm1.meta_value LIKE %s AND pm1.meta_key = '$field')", $term );
@@ -265,7 +266,7 @@ public function wcpos_posts_search( string $search, WP_Query $wp_query ) {
 
 		if ( ! empty( $search ) ) {
 			$search = " AND ({$search}) ";
-			if ( ! is_user_logged_in()) {
+			if ( ! is_user_logged_in() ) {
 				$search .= " AND ($wpdb->posts.post_password = '') ";
 			}
 		}
@@ -333,7 +334,7 @@ public function wcpos_product_query( array $args, WP_REST_Request $request ): ar
 	public function wcpos_posts_join_to_products_search( string $join, WP_Query $wp_query ) {
 		global $wpdb;
 
-		if ( ! empty($wp_query->query_vars['s']) && false === strpos($join, 'pm1')) {
+		if ( ! empty( $wp_query->query_vars['s'] ) && false === strpos( $join, 'pm1' ) ) {
 			$join .= " LEFT JOIN {$wpdb->postmeta} pm1 ON {$wpdb->posts}.ID = pm1.post_id ";
 		}
 
@@ -445,7 +446,7 @@ protected function prepare_objects_query( $request ) {
 
 		// Add online_only check
 		if ( $this->wcpos_pos_only_products_enabled() ) {
-			$default_meta_query = array(
+			$meta_query = array(
 				'relation' => 'OR',
 				array(
 					'key'     => '_pos_visibility',
@@ -457,15 +458,8 @@ protected function prepare_objects_query( $request ) {
 					'compare' => '!=',
 				),
 			);
-	
-			if (isset($args['meta_query'])) {
-				if ( ! isset($args['meta_query']['relation'])) {
-					$args['meta_query']['relation'] = 'AND';
-				}
-				$args['meta_query'] = array_merge_recursive($args['meta_query'], $default_meta_query);
-			} else {
-				$args['meta_query'] = $default_meta_query;
-			}
+
+			$args['meta_query'] = $this->wcpos_combine_meta_queries( $meta_query, $args['meta_query'] );
 		};
 
 		return $args;
diff --git a/includes/API/Traits/Product_Helpers.php b/includes/API/Traits/Product_Helpers.php
index e2890fa..146a242 100644
--- a/includes/API/Traits/Product_Helpers.php
+++ b/includes/API/Traits/Product_Helpers.php
@@ -13,8 +13,8 @@ trait Product_Helpers {
 	 *
 	 * @TODO - should we return a wc_placeholder_img_src if no image is available?
 	 *
-	 * @param array|false $image {
-	 *                           Array of image data, or boolean false if no image is available.
+	 * @param array|false  $image {
+	 *                            Array of image data, or boolean false if no image is available.
 	 *
 	 * @var string $0 Image source URL.
 	 * @var int    $1 Image width in pixels.
@@ -72,7 +72,7 @@ public function wcpos_get_barcode_field() {
 
 			return '';
 		}
-	
+
 		// Check for non-string values
 		if ( ! \is_string( $barcode_field ) ) {
 			Logger::log( 'Unexpected data type for barcode_field. Expected string, got: ' . \gettype( $barcode_field ) );
diff --git a/includes/API/Traits/Query_Helpers.php b/includes/API/Traits/Query_Helpers.php
new file mode 100644
index 0000000..4113c29
--- /dev/null
+++ b/includes/API/Traits/Query_Helpers.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace WCPOS\WooCommercePOS\API\Traits;
+
+use WCPOS\WooCommercePOS\Logger;
+
+trait Query_Helpers {
+	/**
+	 * Combine two meta_query arrays.
+	 */
+	public function wcpos_combine_meta_queries( $meta_query1, $meta_query2 ) {
+		// If either meta_query is empty, return the other.
+		if ( empty( $meta_query1 ) ) {
+			return $meta_query2;
+		}
+		if ( empty( $meta_query2 ) ) {
+			return $meta_query1;
+		}
+
+		// Check if both meta_queries have 'AND' as their top-level relation.
+		if ( isset( $meta_query1['relation'] ) && $meta_query1['relation'] === 'AND' &&
+		 isset( $meta_query2['relation'] ) && $meta_query2['relation'] === 'AND' ) {
+			// Remove the 'relation' element and combine the arrays.
+			unset( $meta_query1['relation'], $meta_query2['relation'] );
+			$combined = array_merge( $meta_query1, $meta_query2 );
+			array_unshift( $combined, array( 'relation' => 'AND' ) );
+			return $combined;
+		}
+
+		// If both meta_queries are not empty and do not both have 'AND', combine them with 'AND' relation.
+		return array(
+			'relation' => 'AND',
+			$meta_query1,
+			$meta_query2,
+		);
+	}
+}
diff --git a/includes/Services/Settings.php b/includes/Services/Settings.php
index 4822cbb..e18a007 100644
--- a/includes/Services/Settings.php
+++ b/includes/Services/Settings.php
@@ -115,16 +115,16 @@ public function get_settings( string $id, $key = null ) {
 				return $settings;
 			}
 
-			if ( ! isset( $settings[$key] ) ) {
+			if ( ! isset( $settings[ $key ] ) ) {
 				return new WP_Error(
 					'woocommerce_pos_settings_error',
 					// translators: 1. %s: Settings group id, 2. %s: Settings key
-					sprintf( __( 'Settings with id %s and key %s not found', 'woocommerce-pos' ), $id, $key ),
+					sprintf( __( 'Settings with id %1$s and key %2$s not found', 'woocommerce-pos' ), $id, $key ),
 					array( 'status' => 400 )
 				);
 			}
 
-			return $settings[$key];
+			return $settings[ $key ];
 		}
 
 		return new WP_Error(
@@ -213,7 +213,7 @@ public function get_checkout_settings(): array {
 		return apply_filters( 'woocommerce_pos_checkout_settings', $settings );
 	}
 
-	
+
 	public function get_access_settings(): array {
 		global $wp_roles;
 		$role_caps = array();
@@ -277,7 +277,7 @@ public function get_tools_settings(): array {
 		return apply_filters( 'woocommerce_pos_tools_settings', $settings );
 	}
 
-	
+
 	public function get_license_settings() {
 		/*
 		 * Filters the license settings.
@@ -329,7 +329,7 @@ public function get_order_statuses(): array {
 		return array_map( 'wc_get_order_status_name', $order_statuses );
 	}
 
-	
+
 	public function get_payment_gateways_settings() {
 		// Note: I need to re-init the gateways here to pass the tests, but it seems to work fine in the app.
 		WC_Payment_Gateways::instance()->init();
@@ -382,7 +382,7 @@ public function get_payment_gateways_settings() {
 	 * @return bool|WP_Error
 	 */
 	public static function delete_settings( $id ) {
-		if ( ! is_super_admin() && ! current_user_can('manage_woocommerce_pos') ) {
+		if ( ! is_super_admin() && ! current_user_can( 'manage_woocommerce_pos' ) ) {
 			return new WP_Error( 'unauthorized', 'You do not have permission to delete this option.' );
 		}
 
@@ -395,10 +395,10 @@ public static function delete_settings( $id ) {
 	 * @return bool|WP_Error
 	 */
 	public static function delete_all_settings() {
-		if ( ! is_super_admin() && ! current_user_can('manage_woocommerce_pos') ) {
+		if ( ! is_super_admin() && ! current_user_can( 'manage_woocommerce_pos' ) ) {
 			return new WP_Error( 'unauthorized', 'You do not have permission to delete this option.' );
 		}
-	
+
 		foreach ( self::$default_settings as $id => $settings ) {
 			delete_option( self::$db_prefix . $id );
 		}
diff --git a/tests/includes/API/Test_Product_Variations_Controller.php b/tests/includes/API/Test_Product_Variations_Controller.php
index fe79365..cf85572 100644
--- a/tests/includes/API/Test_Product_Variations_Controller.php
+++ b/tests/includes/API/Test_Product_Variations_Controller.php
@@ -5,6 +5,7 @@
 use Automattic\WooCommerce\RestApi\UnitTests\Helpers\ProductHelper;
 use Ramsey\Uuid\Uuid;
 use WCPOS\WooCommercePOS\API\Product_Variations_Controller;
+use WCPOS\WooCommercePOS\Products;
 
 /**
  * @internal
@@ -42,6 +43,7 @@ public function test_register_routes(): void {
 		$this->assertArrayHasKey( '/wcpos/v1/products/(?P<product_id>[\d]+)/variations/(?P<id>[\d]+)', $routes );
 		$this->assertArrayHasKey( '/wcpos/v1/products/(?P<product_id>[\d]+)/variations/batch', $routes );
 		$this->assertArrayHasKey( '/wcpos/v1/products/(?P<product_id>[\d]+)/variations/generate', $routes );
+		$this->assertArrayHasKey( '/wcpos/v1/products/variations', $routes );
 	}
 
 	/**
@@ -563,4 +565,90 @@ function () {
 	// */
 	// public function test_variation_orderby_menu_order(): void {
 	// }
+
+	/**
+	 * Test search using the products/variations endpoint.
+	 */
+	public function test_variation_search(): void {
+		// enable barcode and pos_only_products
+		add_filter(
+			'woocommerce_pos_general_settings',
+			function () {
+				return array(
+					'barcode_field' => '_barcode',
+					'pos_only_products' => true,
+				);
+			}
+		);
+
+		$random_sku1         = wp_generate_password( 8, false );
+		$random_sku2         = wp_generate_password( 8, false );
+		$random_barcode1     = wp_generate_password( 10, false );
+		$random_barcode2     = wp_generate_password( 10, false );
+
+		// create two variable products
+		$product1 = ProductHelper::create_variation_product(); // has two variations
+		$variation_ids1 = $product1->get_children();
+		update_post_meta( $variation_ids1[0], '_sku', $random_sku1 );
+		update_post_meta( $variation_ids1[0], '_barcode', $random_barcode1 );
+		update_post_meta( $variation_ids1[1], '_sku', $random_sku2 );
+		update_post_meta( $variation_ids1[1], '_barcode', $random_barcode2 );
+
+		$product2 = ProductHelper::create_variation_product(); // has two variations
+		$variation_ids2 = $product2->get_children();
+		update_post_meta( $variation_ids2[0], '_sku', $random_sku1 );
+		update_post_meta( $variation_ids2[0], '_barcode', $random_barcode1 );
+		update_post_meta( $variation_ids2[1], '_sku', $random_sku2 );
+		update_post_meta( $variation_ids2[1], '_barcode', $random_barcode2 );
+
+		$request  = $this->wp_rest_get_request( '/wcpos/v1/products/variations' );
+
+		// empty search
+		$request->set_query_params( array( 'search' => '' ) );
+		$response     = $this->server->dispatch( $request );
+		$data         = $response->get_data();
+		$this->assertEquals( 200, $response->get_status() );
+		$this->assertEquals( 4, \count( $data ) );
+
+		// search for sku1
+		$request->set_query_params( array( 'search' => $random_sku1 ) );
+		$response     = $this->server->dispatch( $request );
+		$data         = $response->get_data();
+		$this->assertEquals( 200, $response->get_status() );
+		$this->assertEquals( 2, \count( $data ) );
+		$this->assertEqualsCanonicalizing( array( $variation_ids1[0], $variation_ids2[0] ), wp_list_pluck( $data, 'id' ) );
+
+		// search for sku2
+		$request->set_query_params( array( 'search' => $random_sku2 ) );
+		$response     = $this->server->dispatch( $request );
+		$data         = $response->get_data();
+		$this->assertEquals( 200, $response->get_status() );
+		$this->assertEquals( 2, \count( $data ) );
+		$this->assertEqualsCanonicalizing( array( $variation_ids1[1], $variation_ids2[1] ), wp_list_pluck( $data, 'id' ) );
+
+		// search for barcode1
+		$request->set_query_params( array( 'search' => $random_barcode1 ) );
+		$response     = $this->server->dispatch( $request );
+		$data         = $response->get_data();
+		$this->assertEquals( 200, $response->get_status() );
+		$this->assertEquals( 2, \count( $data ) );
+		$this->assertEqualsCanonicalizing( array( $variation_ids1[0], $variation_ids2[0] ), wp_list_pluck( $data, 'id' ) );
+
+		// search for barcode2
+		$request->set_query_params( array( 'search' => $random_barcode2 ) );
+		$response     = $this->server->dispatch( $request );
+		$data         = $response->get_data();
+		$this->assertEquals( 200, $response->get_status() );
+		$this->assertEquals( 2, \count( $data ) );
+		$this->assertEqualsCanonicalizing( array( $variation_ids1[1], $variation_ids2[1] ), wp_list_pluck( $data, 'id' ) );
+
+		// make sure online_only variations are not returned
+		update_post_meta( $variation_ids1[1], '_pos_visibility', 'online_only' );
+		$request->set_query_params( array( 'search' => $random_barcode2 ) );
+		$response     = $this->server->dispatch( $request );
+		$data         = $response->get_data();
+		$this->assertEquals( 200, $response->get_status() );
+		$this->assertEquals( 1, \count( $data ) );
+		$this->assertEquals( array( $variation_ids2[1] ), wp_list_pluck( $data, 'id' ) );
+	}
 }
diff --git a/tests/includes/API/Test_Products_Controller.php b/tests/includes/API/Test_Products_Controller.php
index 3d2d195..dcccd2d 100644
--- a/tests/includes/API/Test_Products_Controller.php
+++ b/tests/includes/API/Test_Products_Controller.php
@@ -22,15 +22,15 @@ public function tearDown(): void {
 	}
 
 	public function test_namespace_property(): void {
-		$namespace = $this->get_reflected_property_value('namespace');
+		$namespace = $this->get_reflected_property_value( 'namespace' );
 
-		$this->assertEquals('wcpos/v1', $namespace );
+		$this->assertEquals( 'wcpos/v1', $namespace );
 	}
 
 	public function test_rest_base(): void {
-		$rest_base = $this->get_reflected_property_value('rest_base');
+		$rest_base = $this->get_reflected_property_value( 'rest_base' );
 
-		$this->assertEquals('products', $rest_base);
+		$this->assertEquals( 'products', $rest_base );
 	}
 
 	/**
@@ -145,7 +145,7 @@ public function test_product_api_get_all_ids(): void {
 		$product2  = ProductHelper::create_simple_product();
 		$request   = $this->wp_rest_get_request( '/wcpos/v1/products' );
 		$request->set_param( 'posts_per_page', -1 );
-		$request->set_param( 'fields', array('id') );
+		$request->set_param( 'fields', array( 'id' ) );
 
 		$response = $this->server->dispatch( $request );
 		$this->assertEquals( 200, $response->get_status() );
@@ -162,37 +162,40 @@ public function test_product_api_get_all_ids(): void {
 	public function test_product_response_contains_uuid_meta_data(): void {
 		$product  = ProductHelper::create_simple_product();
 		$request  = $this->wp_rest_get_request( '/wcpos/v1/products/' . $product->get_id() );
-		$response = $this->server->dispatch($request);
+		$response = $this->server->dispatch( $request );
 
 		$data = $response->get_data();
 
-		$this->assertEquals(200, $response->get_status());
+		$this->assertEquals( 200, $response->get_status() );
 
 		$found      = false;
 		$uuid_value = '';
 		$count      = 0;
 
 		// Look for the _woocommerce_pos_uuid key in meta_data
-		foreach ($data['meta_data'] as $meta) {
-			if ('_woocommerce_pos_uuid' === $meta['key']) {
+		foreach ( $data['meta_data'] as $meta ) {
+			if ( '_woocommerce_pos_uuid' === $meta['key'] ) {
 				$count++;
 				$uuid_value = $meta['value'];
 			}
 		}
 
-		$this->assertEquals(1, $count, 'There should only be one _woocommerce_pos_uuid.');
-		$this->assertTrue(Uuid::isValid($uuid_value), 'The UUID value is not valid.');
+		$this->assertEquals( 1, $count, 'There should only be one _woocommerce_pos_uuid.' );
+		$this->assertTrue( Uuid::isValid( $uuid_value ), 'The UUID value is not valid.' );
 	}
 
 	/**
 	 * Barcode.
 	 */
 	public function test_product_get_barcode(): void {
-		add_filter( 'woocommerce_pos_general_settings', function() {
-			return array(
-				'barcode_field' => 'foo',
-			);
-		});
+		add_filter(
+			'woocommerce_pos_general_settings',
+			function () {
+				return array(
+					'barcode_field' => 'foo',
+				);
+			}
+		);
 
 		$product  = ProductHelper::create_simple_product();
 		$product->update_meta_data( 'foo', 'bar' );
@@ -201,43 +204,51 @@ public function test_product_get_barcode(): void {
 
 
 	public function test_product_response_contains_barcode(): void {
-		add_filter( 'woocommerce_pos_general_settings', function() {
-			return array(
-				'barcode_field' => '_some_field',
-			);
-		});
+		add_filter(
+			'woocommerce_pos_general_settings',
+			function () {
+				return array(
+					'barcode_field' => '_some_field',
+				);
+			}
+		);
 
 		$product  = ProductHelper::create_simple_product();
 		$product->update_meta_data( '_some_field', 'some_string' );
 		$product->save_meta_data();
 		$request  = $this->wp_rest_get_request( '/wcpos/v1/products/' . $product->get_id() );
-		$response = $this->server->dispatch($request);
-	
+		$response = $this->server->dispatch( $request );
+
 		$data = $response->get_data();
-	
-		$this->assertEquals(200, $response->get_status());
-			
+
+		$this->assertEquals( 200, $response->get_status() );
+
 		$this->assertEquals( 'some_string', $data['barcode'] );
 	}
 
 	public function test_product_update_barcode(): void {
-		add_filter( 'woocommerce_pos_general_settings', function() {
-			return array(
-				'barcode_field' => 'barcode',
-			);
-		});
+		add_filter(
+			'woocommerce_pos_general_settings',
+			function () {
+				return array(
+					'barcode_field' => 'barcode',
+				);
+			}
+		);
 
 		$product  = ProductHelper::create_simple_product( array( 'sku' => 'sku-12345' ) );
 		$request  = $this->wp_rest_patch_request( '/wcpos/v1/products/' . $product->get_id() );
-		$request->set_body_params( array(
-			'barcode' => 'foo-12345',
-		) );
-		$response = $this->server->dispatch($request);
-	
+		$request->set_body_params(
+			array(
+				'barcode' => 'foo-12345',
+			)
+		);
+		$response = $this->server->dispatch( $request );
+
 		$data = $response->get_data();
-	
-		$this->assertEquals(200, $response->get_status());
-			
+
+		$this->assertEquals( 200, $response->get_status() );
+
 		$this->assertEquals( 'foo-12345', $data['barcode'] );
 	}
 
@@ -250,7 +261,12 @@ public function test_product_orderby_sku(): void {
 		$product3  = ProductHelper::create_simple_product( array( 'sku' => '123456789' ) );
 		$product4  = ProductHelper::create_simple_product( array( 'sku' => 'alpha' ) );
 		$request   = $this->wp_rest_get_request( '/wcpos/v1/products' );
-		$request->set_query_params( array( 'orderby' => 'sku', 'order' => 'asc' ) );
+		$request->set_query_params(
+			array(
+				'orderby' => 'sku',
+				'order' => 'asc',
+			)
+		);
 		$response     = $this->server->dispatch( $request );
 		$data         = $response->get_data();
 		$skus         = wp_list_pluck( $data, 'sku' );
@@ -258,7 +274,12 @@ public function test_product_orderby_sku(): void {
 		$this->assertEquals( $skus, array( '123456789', '987654321', 'alpha', 'zeta' ) );
 
 		// reverse order
-		$request->set_query_params( array( 'orderby' => 'sku', 'order' => 'desc' ) );
+		$request->set_query_params(
+			array(
+				'orderby' => 'sku',
+				'order' => 'desc',
+			)
+		);
 		$response     = $this->server->dispatch( $request );
 		$data         = $response->get_data();
 		$skus         = wp_list_pluck( $data, 'sku' );
@@ -267,11 +288,14 @@ public function test_product_orderby_sku(): void {
 	}
 
 	public function test_product_orderby_barcode(): void {
-		add_filter( 'woocommerce_pos_general_settings', function() {
-			return array(
-				'barcode_field' => '_barcode',
-			);
-		});
+		add_filter(
+			'woocommerce_pos_general_settings',
+			function () {
+				return array(
+					'barcode_field' => '_barcode',
+				);
+			}
+		);
 
 		$product1  = ProductHelper::create_simple_product();
 		$product1->update_meta_data( '_barcode', 'alpha' );
@@ -282,7 +306,12 @@ public function test_product_orderby_barcode(): void {
 		$product2->save_meta_data();
 
 		$request  = $this->wp_rest_get_request( '/wcpos/v1/products' );
-		$request->set_query_params( array( 'orderby' => 'barcode', 'order' => 'asc' ) );
+		$request->set_query_params(
+			array(
+				'orderby' => 'barcode',
+				'order' => 'asc',
+			)
+		);
 		$response         = $this->server->dispatch( $request );
 		$data             = $response->get_data();
 		$barcodes         = wp_list_pluck( $data, 'barcode' );
@@ -290,7 +319,12 @@ public function test_product_orderby_barcode(): void {
 		$this->assertEquals( $barcodes, array( 'alpha', 'zeta' ) );
 
 		// reverse order
-		$request->set_query_params( array( 'orderby' => 'barcode', 'order' => 'desc' ) );
+		$request->set_query_params(
+			array(
+				'orderby' => 'barcode',
+				'order' => 'desc',
+			)
+		);
 		$response         = $this->server->dispatch( $request );
 		$data             = $response->get_data();
 		$barcodes         = wp_list_pluck( $data, 'barcode' );
@@ -302,7 +336,12 @@ public function test_product_orderby_stock_status(): void {
 		$product1  = ProductHelper::create_simple_product( array( 'stock_status' => 'instock' ) );
 		$product2  = ProductHelper::create_simple_product( array( 'stock_status' => 'outofstock' ) );
 		$request   = $this->wp_rest_get_request( '/wcpos/v1/products' );
-		$request->set_query_params( array( 'orderby' => 'stock_status', 'order' => 'asc' ) );
+		$request->set_query_params(
+			array(
+				'orderby' => 'stock_status',
+				'order' => 'asc',
+			)
+		);
 		$response     = $this->server->dispatch( $request );
 		$data         = $response->get_data();
 		$skus         = wp_list_pluck( $data, 'stock_status' );
@@ -310,7 +349,12 @@ public function test_product_orderby_stock_status(): void {
 		$this->assertEquals( $skus, array( 'instock', 'outofstock' ) );
 
 		// reverse order
-		$request->set_query_params( array( 'orderby' => 'stock_status', 'order' => 'desc' ) );
+		$request->set_query_params(
+			array(
+				'orderby' => 'stock_status',
+				'order' => 'desc',
+			)
+		);
 		$response     = $this->server->dispatch( $request );
 		$data         = $response->get_data();
 		$skus         = wp_list_pluck( $data, 'stock_status' );
@@ -319,14 +363,44 @@ public function test_product_orderby_stock_status(): void {
 	}
 
 	public function test_product_orderby_stock_quantity(): void {
-		$product1  = ProductHelper::create_simple_product( array( 'stock_quantity' => 1, 'manage_stock' => true ) );
-		$product2  = ProductHelper::create_simple_product( array( 'stock_quantity' => 2, 'manage_stock' => true ) );
-		$product3  = ProductHelper::create_simple_product( array( 'stock_quantity' => null, 'manage_stock' => true ) );
-		$product4  = ProductHelper::create_simple_product( array( 'stock_quantity' => 0, 'manage_stock' => true ) );
-		$product5  = ProductHelper::create_simple_product( array( 'stock_quantity' => -1, 'manage_stock' => true ) );
+		$product1  = ProductHelper::create_simple_product(
+			array(
+				'stock_quantity' => 1,
+				'manage_stock' => true,
+			)
+		);
+		$product2  = ProductHelper::create_simple_product(
+			array(
+				'stock_quantity' => 2,
+				'manage_stock' => true,
+			)
+		);
+		$product3  = ProductHelper::create_simple_product(
+			array(
+				'stock_quantity' => null,
+				'manage_stock' => true,
+			)
+		);
+		$product4  = ProductHelper::create_simple_product(
+			array(
+				'stock_quantity' => 0,
+				'manage_stock' => true,
+			)
+		);
+		$product5  = ProductHelper::create_simple_product(
+			array(
+				'stock_quantity' => -1,
+				'manage_stock' => true,
+			)
+		);
 		$product6  = ProductHelper::create_simple_product();
 		$request   = $this->wp_rest_get_request( '/wcpos/v1/products' );
-		$request->set_query_params( array( 'orderby' => 'stock_quantity', 'order' => 'asc' ) );
+		$request->set_query_params(
+			array(
+				'orderby' => 'stock_quantity',
+				'order' => 'asc',
+			)
+		);
 		$response     = $this->server->dispatch( $request );
 		$data         = $response->get_data();
 		$skus         = wp_list_pluck( $data, 'stock_quantity' );
@@ -334,12 +408,17 @@ public function test_product_orderby_stock_quantity(): void {
 		$this->assertEquals( $skus, array( -1, 0, 1, 2, null, null ) );
 
 		// reverse order
-		$request->set_query_params( array( 'orderby' => 'stock_quantity', 'order' => 'desc' ) );
+		$request->set_query_params(
+			array(
+				'orderby' => 'stock_quantity',
+				'order' => 'desc',
+			)
+		);
 		$response     = $this->server->dispatch( $request );
 		$data         = $response->get_data();
 		$skus         = wp_list_pluck( $data, 'stock_quantity' );
 
-		$this->assertEquals( $skus, array( 2, 1, 0 , -1, null, null ) );
+		$this->assertEquals( $skus, array( 2, 1, 0, -1, null, null ) );
 	}
 
 	/**
@@ -366,12 +445,12 @@ public function test_product_response_with_decimal_quantities(): void {
 		$product->save();
 
 		$request  = $this->wp_rest_get_request( '/wcpos/v1/products/' . $product->get_id() );
-		$response = $this->server->dispatch($request);
-	
+		$response = $this->server->dispatch( $request );
+
 		$data = $response->get_data();
-	
-		$this->assertEquals(200, $response->get_status());
-			
+
+		$this->assertEquals( 200, $response->get_status() );
+
 		$this->assertEquals( 1.5, $data['stock_quantity'] );
 	}
 
@@ -385,14 +464,16 @@ public function test_product_update_decimal_quantities(): void {
 		$product->save();
 
 		$request  = $this->wp_rest_patch_request( '/wcpos/v1/products/' . $product->get_id() );
-		$request->set_body_params( array(
-			'stock_quantity' => '3.85',
-		) );
-		$response       = $this->server->dispatch($request);
+		$request->set_body_params(
+			array(
+				'stock_quantity' => '3.85',
+			)
+		);
+		$response       = $this->server->dispatch( $request );
 		$data           = $response->get_data();
-	
-		$this->assertEquals(200, $response->get_status());
-			
+
+		$this->assertEquals( 200, $response->get_status() );
+
 		$this->assertEquals( 3.85, $data['stock_quantity'] );
 	}
 
@@ -400,20 +481,45 @@ public function test_product_orderby_decimal_stock_quantity(): void {
 		$this->setup_decimal_quantity_tests();
 		$this->assertTrue( woocommerce_pos_get_settings( 'general', 'decimal_qty' ) );
 
-		$product1  = ProductHelper::create_simple_product( array( 'stock_quantity' => '11.2', 'manage_stock' => true ) );
-		$product2  = ProductHelper::create_simple_product( array( 'stock_quantity' => '3.5', 'manage_stock' => true ) );
-		$product2  = ProductHelper::create_simple_product( array( 'stock_quantity' => '20.7', 'manage_stock' => true ) );
+		$product1  = ProductHelper::create_simple_product(
+			array(
+				'stock_quantity' => '11.2',
+				'manage_stock' => true,
+			)
+		);
+		$product2  = ProductHelper::create_simple_product(
+			array(
+				'stock_quantity' => '3.5',
+				'manage_stock' => true,
+			)
+		);
+		$product2  = ProductHelper::create_simple_product(
+			array(
+				'stock_quantity' => '20.7',
+				'manage_stock' => true,
+			)
+		);
 		$request   = $this->wp_rest_get_request( '/wcpos/v1/products' );
-		$request->set_query_params( array( 'orderby' => 'stock_quantity', 'order' => 'asc' ) );
-		$response  = $this->server->dispatch($request);
+		$request->set_query_params(
+			array(
+				'orderby' => 'stock_quantity',
+				'order' => 'asc',
+			)
+		);
+		$response  = $this->server->dispatch( $request );
 		$data      = $response->get_data();
 		$skus      = wp_list_pluck( $data, 'stock_quantity' );
 
 		$this->assertEquals( $skus, array( 3.5, 11.2, 20.7 ) );
 
 		// reverse order
-		$request->set_query_params( array( 'orderby' => 'stock_quantity', 'order' => 'desc' ) );
-		$response  = $this->server->dispatch($request);
+		$request->set_query_params(
+			array(
+				'orderby' => 'stock_quantity',
+				'order' => 'desc',
+			)
+		);
+		$response  = $this->server->dispatch( $request );
 		$data      = $response->get_data();
 		$skus      = wp_list_pluck( $data, 'stock_quantity' );
 
@@ -421,20 +527,33 @@ public function test_product_orderby_decimal_stock_quantity(): void {
 	}
 
 	public function test_product_search(): void {
-		add_filter( 'woocommerce_pos_general_settings', function() {
-			return array(
-				'barcode_field' => '_barcode',
-			);
-		});
-
-		$random_title       = wp_generate_password(12, false);
-		$random_sku         = wp_generate_password(8, false);
-		$random_barcode     = wp_generate_password(10, false);
+		add_filter(
+			'woocommerce_pos_general_settings',
+			function () {
+				return array(
+					'barcode_field' => '_barcode',
+				);
+			}
+		);
+
+		$random_title       = wp_generate_password( 12, false );
+		$random_sku         = wp_generate_password( 8, false );
+		$random_barcode     = wp_generate_password( 10, false );
 		$random_description = 'A string containing ' . $random_title . ' and ' . $random_sku . ' and ' . $random_barcode;
 
 		$product1  = ProductHelper::create_simple_product( array( 'description' => $random_description ) );
-		$product2  = ProductHelper::create_simple_product( array( 'description' => $random_description, 'name' => 'Foo ' . $random_title . ' bar' ) );
-		$product3  = ProductHelper::create_simple_product( array( 'description' => $random_description, 'sku' => 'foo-' . $random_sku . '-bar' ) );
+		$product2  = ProductHelper::create_simple_product(
+			array(
+				'description' => $random_description,
+				'name' => 'Foo ' . $random_title . ' bar',
+			)
+		);
+		$product3  = ProductHelper::create_simple_product(
+			array(
+				'description' => $random_description,
+				'sku' => 'foo-' . $random_sku . '-bar',
+			)
+		);
 		$product4  = ProductHelper::create_simple_product( array( 'description' => $random_description ) );
 		$product4->update_meta_data( '_barcode', 'foo-' . $random_barcode . '-bar' );
 		$product4->save_meta_data();
@@ -443,32 +562,32 @@ public function test_product_search(): void {
 
 		// empty search
 		$request->set_query_params( array( 'search' => '' ) );
-		$response     = $this->server->dispatch($request);
+		$response     = $this->server->dispatch( $request );
 		$data         = $response->get_data();
-		$this->assertEquals(200, $response->get_status());
+		$this->assertEquals( 200, $response->get_status() );
 		$this->assertEquals( 4, \count( $data ) );
 
 		// search for title
 		$request->set_query_params( array( 'search' => $random_title ) );
-		$response     = $this->server->dispatch($request);
+		$response     = $this->server->dispatch( $request );
 		$data         = $response->get_data();
-		$this->assertEquals(200, $response->get_status());
+		$this->assertEquals( 200, $response->get_status() );
 		$this->assertEquals( 1, \count( $data ) );
 		$this->assertEquals( $product2->get_id(), $data[0]['id'] );
 
 		// search for sku
 		$request->set_query_params( array( 'search' => $random_sku ) );
-		$response     = $this->server->dispatch($request);
+		$response     = $this->server->dispatch( $request );
 		$data         = $response->get_data();
-		$this->assertEquals(200, $response->get_status());
+		$this->assertEquals( 200, $response->get_status() );
 		$this->assertEquals( 1, \count( $data ) );
 		$this->assertEquals( $product3->get_id(), $data[0]['id'] );
 
 		// search for barcode
 		$request->set_query_params( array( 'search' => $random_barcode ) );
-		$response     = $this->server->dispatch($request);
+		$response     = $this->server->dispatch( $request );
 		$data         = $response->get_data();
-		$this->assertEquals(200, $response->get_status());
+		$this->assertEquals( 200, $response->get_status() );
 		$this->assertEquals( 1, \count( $data ) );
 		$this->assertEquals( $product4->get_id(), $data[0]['id'] );
 	}
@@ -477,17 +596,20 @@ public function test_product_search(): void {
 	 * Online Only products.
 	 */
 	public function test_pos_only_products(): void {
-		add_filter( 'woocommerce_pos_general_settings', function() {
-			return array(
-				'pos_only_products' => true,
-			);
-		});
+		add_filter(
+			'woocommerce_pos_general_settings',
+			function () {
+				return array(
+					'pos_only_products' => true,
+				);
+			}
+		);
 
 		// online only
 		$product1  = ProductHelper::create_simple_product();
 		$product1->update_meta_data( '_pos_visibility', 'online_only' );
 		$product1->save_meta_data();
-		
+
 		// both
 		$product2  = ProductHelper::create_simple_product();
 		$product2->update_meta_data( '_pos_visibility', '' );
@@ -497,17 +619,17 @@ public function test_pos_only_products(): void {
 		$product3  = ProductHelper::create_simple_product();
 		$product3->update_meta_data( '_pos_visibility', 'pos_only' );
 		$product3->save_meta_data();
-	
+
 		// new product
-		$product4	 = ProductHelper::create_simple_product();
+		$product4    = ProductHelper::create_simple_product();
 
 		// test get all ids
 		$request  = $this->wp_rest_get_request( '/wcpos/v1/products' );
 		$request->set_param( 'posts_per_page', -1 );
-		$request->set_param( 'fields', array('id') );
-		$response     = $this->server->dispatch($request);
+		$request->set_param( 'fields', array( 'id' ) );
+		$response     = $this->server->dispatch( $request );
 		$data         = $response->get_data();
-		$this->assertEquals(200, $response->get_status());
+		$this->assertEquals( 200, $response->get_status() );
 		$this->assertEquals( 3, \count( $data ) );
 		$ids         = wp_list_pluck( $data, 'id' );
 
@@ -515,9 +637,9 @@ public function test_pos_only_products(): void {
 
 		// test products response
 		$request      = $this->wp_rest_get_request( '/wcpos/v1/products' );
-		$response     = $this->server->dispatch($request);
+		$response     = $this->server->dispatch( $request );
 		$data         = $response->get_data();
-		$this->assertEquals(200, $response->get_status());
+		$this->assertEquals( 200, $response->get_status() );
 		$this->assertEquals( 3, \count( $data ) );
 		$ids         = wp_list_pluck( $data, 'id' );