fix for Windows servers

Author: kilbot

includes/API/Customers_Controller.php

@@ -336,7 +336,7 @@ public function wcpos_get_all_posts( $request ) {
 			// Collect execution time and server load.
 			$execution_time = microtime( true ) - $start_time;
 			$execution_time_ms = number_format( $execution_time * 1000, 2 );
-			$server_load = sys_getloadavg();
+			$server_load = $this->get_server_load();
 
 			$response = rest_ensure_response( $formatted_results );
 			$response->header( 'X-WP-Total', (int) $total );

includes/API/Orders_Controller.php

@@ -734,7 +734,7 @@ function ( $status ) {
 			// Collect execution time and server load.
 			$execution_time = microtime( true ) - $start_time;
 			$execution_time_ms = number_format( $execution_time * 1000, 2 );
-			$server_load = sys_getloadavg();
+			$server_load = $this->get_server_load();
 
 			$response = rest_ensure_response( $formatted_results );
 			$response->header( 'X-WP-Total', (int) $total );

includes/API/Product_Categories_Controller.php

@@ -178,7 +178,7 @@ function ( $id ) {
 			// Collect execution time and server load.
 			$execution_time = microtime( true ) - $start_time;
 			$execution_time_ms = number_format( $execution_time * 1000, 2 );
-			$server_load = sys_getloadavg();
+			$server_load = $this->get_server_load();
 
 			$response = rest_ensure_response( $formatted_results );
 			$response->header( 'X-WP-Total', (int) $total );

includes/API/Product_Tags_Controller.php

@@ -178,7 +178,7 @@ function ( $id ) {
 			// Collect execution time and server load.
 			$execution_time = microtime( true ) - $start_time;
 			$execution_time_ms = number_format( $execution_time * 1000, 2 );
-			$server_load = sys_getloadavg();
+			$server_load = $this->get_server_load();
 
 			$response = rest_ensure_response( $formatted_results );
 			$response->header( 'X-WP-Total', (int) $total );

includes/API/Product_Variations_Controller.php

@@ -453,7 +453,7 @@ public function wcpos_get_all_posts( $request ) {
 			// Collect execution time and server load.
 			$execution_time = microtime( true ) - $start_time;
 			$execution_time_ms = number_format( $execution_time * 1000, 2 );
-			$server_load = sys_getloadavg();
+			$server_load = $this->get_server_load();
 
 			$response = rest_ensure_response( $formatted_results );
 			$response->header( 'X-WP-Total', (int) $total );

includes/API/Products_Controller.php

@@ -509,7 +509,7 @@ public function wcpos_get_all_posts( $request ) {
 			// Collect execution time and server load.
 			$execution_time = microtime( true ) - $start_time;
 			$execution_time_ms = number_format( $execution_time * 1000, 2 );
-			$server_load = sys_getloadavg();
+			$server_load = $this->get_server_load();
 
 			$response = rest_ensure_response( $formatted_results );
 			$response->header( 'X-WP-Total', (int) $total );

includes/API/Taxes_Controller.php

@@ -247,7 +247,7 @@ function ( $item ) {
 			// Collect execution time and server load.
 			$execution_time = microtime( true ) - $start_time;
 			$execution_time_ms = number_format( $execution_time * 1000, 2 );
-			$server_load = sys_getloadavg();
+			$server_load = $this->get_server_load();
 
 			$response = rest_ensure_response( $formatted_results );
 			$response->header( 'X-WP-Total', (int) $total );

includes/API/Traits/WCPOS_REST_API.php

@@ -97,4 +97,33 @@ public function wcpos_allow_decimal_quantities() {
 		// make sure it's true, just in case there's a corrupt setting
 		return true === $allow_decimal_quantities;
 	}
+
+	/**
+	 * Get server load average.
+	 *
+	 * @return array The load average.
+	 */
+	public function get_server_load() {
+		try {
+			if ( stristr( PHP_OS, 'win' ) ) {
+					// Use WMIC to get load percentage from Windows.
+					$load = @shell_exec( 'wmic cpu get loadpercentage /all' );
+				if ( $load ) {
+						$load = explode( "\n", $load );
+					if ( isset( $load[1] ) ) {
+						$load = intval( $load[1] );
+						return array( $load, $load, $load ); // Mimic the array structure of sys_getloadavg().
+					}
+				}
+			} elseif ( function_exists( 'sys_getloadavg' ) ) {
+				return sys_getloadavg();
+			}
+		} catch ( Exception $e ) {
+			// Log the error for debugging purposes.
+			Logger::log( 'Error getting server load: ' . $e->getMessage() );
+		}
+
+		// Fallback if no method is available or an error occurs.
+		return array( 0, 0, 0 );
+	}
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wcpos/woocommerce-pos",
-  "version": "1.6.1",
+  "version": "1.6.2",
   "description": "A simple front-end for taking WooCommerce orders at the Point of Sale.",
   "main": "index.js",
   "workspaces": {

readme.txt

@@ -80,6 +80,9 @@ There is more information on our website at [https://wcpos.com](https://wcpos.co
 
 == Changelog ==
 
+= 1.6.2 - 2024/06/20 = 
+- Fix: Error preventing resources (products, orders, customers, etc) from loading on Windows servers
+
 = 1.6.1 - 2024/06/18 = 
 - Enhancement: Changed the way POS Only and Online Only products are managed
   - Moved from using postmeta (`_pos_visibility`) to using centralized settings in the options table (`woocommerce_pos_settings_visibility`)