default_logger.rb

# Represents a logger implementation that logs messages to the console.
class ConsoleLogger < Logger
  # Initializes a new instance of DefaultLogger.
  def initialize
    @logger = ::Logger.new($stdout)
    @logger.formatter = method(:format_log_message)
  end

  # Logs a message to the console with the specified log level.
  # @param level [Symbol] The log level of the message.
  # @param message [String] The message to log.
  # @param params [Hash] Additional parameters to include in the log message.
  def log(level, message, params = {})
    formatted_message = message_with_params(message, params)
    case level
    when Logger::DEBUG
      @logger.debug(formatted_message)
    when Logger::INFO
      @logger.info(formatted_message)
    when Logger::WARN
      @logger.warn(formatted_message)
    when Logger::ERROR
      @logger.error(formatted_message)
    when Logger::FATAL
      @logger.fatal(formatted_message)
    else
      @logger.unknown(formatted_message)
    end
  end

  def format_log_message(severity, _datetime, _progname, msg)
    "#{
       severity.ljust(5) +
       msg
     }\n"
  end

  def message_with_params(message, params)
    message.gsub(/\{([\w-]+)\}/) do |match|
      key = match[1..-2]
      params[key.to_sym] || params[key.to_s]
    end
  end
end