Class: Rack::GrayLogger::Middleware

Inherits:
Object
  • Object
show all
Includes:
GrayLogger::Support
Defined in:
lib/gray_logger/rack.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from GrayLogger::Support

included

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/gray_logger/rack.rb', line 9

def initialize(app)
  @app = app
end

Instance Attribute Details

#gray_logger ⇒ Object

Returns the value of attribute gray_logger.



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# File 'lib/gray_logger/rack.rb', line 7

def gray_logger
  @gray_logger
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/gray_logger/rack.rb', line 13

def call(env)
  gray_logger = ::GrayLogger.proxy.gray_logger
  if gray_logger.nil?
    @app.call(env)
  else
    begin
      gray_logger.reset!
      status, headers, body = @app.call(env)
    rescue Exception => e

      # Ensure the original exception can be re-raised
      begin
        gray_logger.log_exception(e) if gray_logger.automatic_logging?
      rescue
        $stderr.puts "gray_logger threw an error and shouldn't"
      end

      raise e
    ensure
      begin
        req = Rack::Request.new(env)
        if ::GrayLogger.configuration.automatic_logging?
          gray_logger.log_exception(env['rack.exception']) if env['rack.exception']
          gray_logger.after_request_log.status_code = status.to_i
          gray_logger.after_request_log.short_message = "Request: #{req.path} (#{status.to_i})" if gray_logger.after_request_log[:short_message].nil?
          gray_logger.flush
        else
          gray_logger.reset!
        end
      rescue Exception => e
        $stderr.puts "gray_logger threw an error and shouldn't"
      ensure
        [status, headers, body]
      end
    end
  end
end