' . esc_html( is_object( $handler ) ? get_class( $handler ) : $handler ) . '', 'Cartflows_Log_Handler_Interface' ), '3.0' ); } } } if ( null !== $threshold ) { $threshold = Cartflows_Log_Levels::get_level_severity( $threshold ); } elseif ( defined( 'WC_LOG_THRESHOLD' ) && Cartflows_Log_Levels::is_valid_level( WC_LOG_THRESHOLD ) ) { $threshold = Cartflows_Log_Levels::get_level_severity( WC_LOG_THRESHOLD ); } else { $threshold = null; } $this->handlers = $register_handlers; $this->threshold = $threshold; } /** * Determine whether to handle or ignore log. * * @param string $level emergency|alert|critical|error|warning|notice|info|debug. * @return bool True if the log should be handled. */ protected function should_handle( $level ) { if ( null === $this->threshold ) { return true; } return $this->threshold <= Cartflows_Log_Levels::get_level_severity( $level ); } /** * Add a log entry. * * This is not the preferred method for adding log messages. Please use log() or any one of * the level methods (debug(), info(), etc.). This method may be deprecated in the future. * * @param string $handle File handle. * @param string $message Message to log. * @param string $level Logging level. * @return bool */ public function add( $handle, $message, $level = Cartflows_Log_Levels::NOTICE ) { $message = apply_filters( 'cartflows_logger_add_message', $message, $handle ); $this->log( $level, $message, array( 'source' => $handle, '_legacy' => true, ) ); wc_do_deprecated_action( 'cartflows_log_add', array( $handle, $message ), '3.0', 'This action has been deprecated with no alternative.' ); return true; } /** * Add a log entry. * * @param string $level One of the following: * 'emergency': System is unusable. * 'alert': Action must be taken immediately. * 'critical': Critical conditions. * 'error': Error conditions. * 'warning': Warning conditions. * 'notice': Normal but significant condition. * 'info': Informational messages. * 'debug': Debug-level messages. * @param string $message Log message. * @param array $context Optional. Additional information for log handlers. */ public function log( $level, $message, $context = array() ) { if ( ! Cartflows_Log_Levels::is_valid_level( $level ) ) { /* translators: 1: Cartflows_WC_Logger::log 2: level */ wc_doing_it_wrong( __METHOD__, sprintf( __( '%1$s was called with an invalid level "%2$s".', 'cartflows' ), 'Cartflows_WC_Logger::log', $level ), '3.0' ); } if ( $this->should_handle( $level ) ) { $timestamp = time(); $message = apply_filters( 'cartflows_logger_log_message', $message, $level, $context ); foreach ( $this->handlers as $handler ) { $handler->handle( $timestamp, $level, $message, $context ); } } } /** * Adds an emergency level message. * * System is unusable. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. */ public function emergency( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::EMERGENCY, $message, $context ); } /** * Adds an alert level message. * * Action must be taken immediately. * Example: Entire website down, database unavailable, etc. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. */ public function alert( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::ALERT, $message, $context ); } /** * Adds a critical level message. * * Critical conditions. * Example: Application component unavailable, unexpected exception. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. */ public function critical( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::CRITICAL, $message, $context ); } /** * Adds an error level message. * * Runtime errors that do not require immediate action but should typically be logged * and monitored. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. */ public function error( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::ERROR, $message, $context ); } /** * Adds a warning level message. * * Exceptional occurrences that are not errors. * * Example: Use of deprecated APIs, poor use of an API, undesirable things that are not * necessarily wrong. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. */ public function warning( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::WARNING, $message, $context ); } /** * Adds a notice level message. * * Normal but significant events. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. */ public function notice( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::NOTICE, $message, $context ); } /** * Adds a info level message. * * Interesting events. * Example: User logs in, SQL logs. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. */ public function info( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::INFO, $message, $context ); } /** * Adds a debug level message. * * Detailed debug information. * * @see Cartflows_WC_Logger::log * * @param string $message Message to log. * @param array $context Log context. */ public function debug( $message, $context = array() ) { $this->log( Cartflows_Log_Levels::DEBUG, $message, $context ); } /** * Clear entries for a chosen file/source. * * @param string $source Source/handle to clear. * @return bool */ public function clear( $source = '' ) { if ( ! $source ) { return false; } foreach ( $this->handlers as $handler ) { if ( is_callable( array( $handler, 'clear' ) ) ) { $handler->clear( $source ); } } return true; } /** * Clear all logs older than a defined number of days. Defaults to 30 days. * * @since 3.4.0 */ public function clear_expired_logs() { $days = absint( apply_filters( 'cartflows_logger_days_to_retain_logs', 30 ) ); $timestamp = strtotime( "-{$days} days" ); foreach ( $this->handlers as $handler ) { if ( is_callable( array( $handler, 'delete_logs_before_timestamp' ) ) ) { $handler->delete_logs_before_timestamp( $timestamp ); } } } }