LoggerFacade.php

<?php

namespace WPDesk\Logger;

use Monolog\Logger;
use Psr\Log\LogLevel;
use WP_Error;
use Exception;

/**
 * Facilitates creation of logger with default WPDesk settings
 *
 * @package WPDesk\Logger
 */
class LoggerFacade
{
    const BACKTRACE_FILENAME_KEY = 'file';

    /** @var LoggerFactory */
    private static $factory;

    /**
     * @return Logger
     */
    public static function getLogger()
    {
        if (self::$factory === null) {
            self::$factory = new WPDeskLoggerFactory();
        }
        return self::$factory->createWPDeskLogger();
    }

    /**
     * Snake case alias for getLogger
     *
     * @return Logger
     */
    public static function get_logger()
    {
        return self::getLogger();
    }

    /**
     * Log this exception into WPDesk logger
     *
     * @param WP_Error $e Error to log.
     * @param array $backtrace Backtrace information with snapshot of error env.
     * @param string $level Level of error.
     *
     * @see http://php.net/manual/en/function.debug-backtrace.php
     */
    public static function log_wp_error(WP_Error $e, array $backtrace, $level = LogLevel::ERROR)
    {
        $message = 'Error: ' . get_class($e) . ' Code: ' . $e->get_error_code() . ' Message: ' . $e->get_error_message();

        self::log_message_backtrace($message, $backtrace, $level);
    }

    /**
     * Log this exception into WPDesk logger
     *
     * @param Exception $e Exception to log.
     * @param string $level Level of error.
     */
    public static function log_exception(Exception $e, $level = LogLevel::ERROR)
    {
        $message = 'Exception: ' . get_class($e) . ' Code: ' . $e->getCode() . ' Message: ' . $e->getMessage() . ' Stack: ' . $e->getTraceAsString();

        self::log_message($message, ['exception' => $e], $e->getFile(), $level);
    }

    /**
     * Log message into WPDesk logger
     *
     * @param string $message Message to log.
     * @param array $context Context to log
     * @param string $source Source of the message - can be file name, class name or whatever.
     * @param string $level Level of error.
     */
    public static function log_message(
        $message,
        array $context = array(),
        $source = 'unknown',
        $level = LogLevel::DEBUG
    ) {
        $logger = self::getLogger();

        $logger->log($level, $message, array_merge($context, ['source' => $source]));
    }

    /**
     * Log message into WPDesk logger
     *
     * @param string $message Message to log.
     * @param array $backtrace Backtrace information with snapshot of error env.
     * @param string $level Level of error.
     */
    public static function log_message_backtrace($message, array $backtrace, $level = LogLevel::DEBUG)
    {
        $message .= ' Backtrace: ' . json_encode($backtrace);

        self::log_message($message, $backtrace[self::BACKTRACE_FILENAME_KEY], $level);
    }
}