checkout-logging.php

checkout-logging.php

<?php

$PRIORITY=-1;

/**
 * Log reaching the thank-you page with the order number
 */
add_action( 'woocommerce_thankyou', function($order_id) {
    printLogMessage("Thank you page reached (order_id: " . $order_id . ")");
}, $PRIORITY, 1 );

if (!function_exists('str_ends_with')) {
    function str_ends_with($haystack, $needle) {
        return substr($haystack, -strlen($needle)) === $needle;
    }
}

/**
 * Log all incoming HTTP requests (unf we don't know the result code at this point)
 */
add_filter( 'parse_request', function( $query ) {
    $uri = $_SERVER['REQUEST_URI'];
    if (strpos($uri, "checkout") !== false) {
        printLogMessage("ACCESS: $uri");
    }
}, $PRIORITY, 1 );

/**
 * Log all HTTP API requests made by the backend to other services like Paypal
 */
add_filter( 'http_response', function( $response, $args, $url ) {
    if (strpos($url, "facebook") !== false || strpos($url, "mailchimp") !== false ||
        strpos($url, "translate.wordpress.com") !== false || strpos($url, "updates.wpbakery.com") !== false
        || strpos($url, "upgrade") !== false || strpos($url, "update") !== false
        || strpos($url, "api.wordpress.org") !== false) {
        return $response;
    }

    $msg = "API Response " . $response['response']['code'] . " [url=" . $url . ", method=" . $args['method'] . ", response_code=" . $response['response']['code'] . "]";
    printLogMessage($msg);
    return $response;
}, $PRIORITY, 3 );

add_action( 'woocommerce_checkout_process', function() {
    printLogMessage('woocommerce_checkout_process action');
}, $PRIORITY);

add_action( 'woocommerce_after_checkout_validation', function($data, $errors) {
    printLogMessage('woocommerce_after_checkout_validation action');
}, $PRIORITY, 2);

add_filter( 'woocommerce_add_error', function($message) {
    printLogMessage("woocommerce_add_error (message: " . print_r($message, true) . ")");
    return $message;
}, $PRIORITY, 1);

add_action( 'woocommerce_checkout_order_processed', function($order_id, $posted_data, $order) {
    printLogMessage("woocommerce_checkout_order_processed action (order_id: $order_id)");
}, $PRIORITY, 3);

add_filter( 'woocommerce_payment_successful_result', function($result, $order_id) {
    printLogMessage("woocommerce_payment_successful_result filter (order_id: $order_id)");
    return $result;
}, $PRIORITY, 2);

function printLogMessage($msg) {
    if (!function_exists('wc_get_logger') || !function_exists('wp_get_current_user')) return;
    $logger = wc_get_logger();
    try {
        $user = wp_get_current_user();
        $user_id = $user->ID;
        if ($user_id != 0) {
            $logger->info("$user_id : $msg",
                array('source' => 'user-tracking'));
        }
    } catch (Exception $e) {
        $logger->error("Error during user tracking: " . $e->getMessage(), array('source' => 'user-tracking'));
    }
}