class Rails::Rack::HotCatchLogger

Sets log tags, logs the request, calls the app, and flushes the logs.

Log tags (taggers) can be an Array containing: methods that the request object responds to, objects that respond to to_s or Proc objects that accept an instance of the request object.

Public Class Methods

new(app, taggers = nil) click to toggle source
# File lib/hot_catch/hot_catch_logger.rb, line 16
def initialize(app, taggers = nil)
  @app          = app
  @taggers      = taggers || []
end

Public Instance Methods

call(env) click to toggle source
# File lib/hot_catch/hot_catch_logger.rb, line 21
def call(env)
  request = ActionDispatch::Request.new(env)

  if logger.respond_to?(:tagged)
    logger.tagged(compute_tags(request)) { call_app(request, env) }
  else
    call_app(request, env)
  end
end

Protected Instance Methods

call_app(request, env) click to toggle source
# File lib/hot_catch/hot_catch_logger.rb, line 33
def call_app(request, env)
  instrumenter = ActiveSupport::Notifications.instrumenter
  instrumenter.start 'request.action_dispatch', request: request
  logger.info { started_request_message(request) }
  resp = @app.call(env)
  resp[2] = ::Rack::BodyProxy.new(resp[2]) { finish(request) }
  resp
rescue Exception
  finish(request)
  raise
ensure
  ActiveSupport::LogSubscriber.flush_all!
end
compute_tags(request) click to toggle source
# File lib/hot_catch/hot_catch_logger.rb, line 56
def compute_tags(request)
  @taggers.collect do |tag|
    case tag
    when Proc
      tag.call(request)
    when Symbol
      request.send(tag)
    else
      tag
    end
  end
end
started_request_message(request) click to toggle source

Started GET “/session/new” for 127.0.0.1 at 2012-09-26 14:51:42 -0700

# File lib/hot_catch/hot_catch_logger.rb, line 48
def started_request_message(request)
  'Started %s "%s" for %s at %s' % [
    request.request_method,
    request.filtered_path,
    request.ip,
    Time.now.to_default_s ]
end

Private Instance Methods

finish(request) click to toggle source
# File lib/hot_catch/hot_catch_logger.rb, line 71
def finish(request)
  # Считали данные из основного лог-файла
  log = ""
  File.open('tmp/hot_catch_buf_file'){ |file| log = file.read}
  File.open('tmp/hot_catch_buf_file', 'w'){ |file| file.print "" }

  # получаем статус из лога
  status = log.match(/!!!(\d{3})!!!/)
  status = status[1] if status
  log.gsub!(/!!!(\d{3})!!!\s/, "")
  # отправляем логи
  Rails.application.config.sender_logs.rails_g_log(log, status) unless log.strip =~ /assets/

  instrumenter = ActiveSupport::Notifications.instrumenter
  instrumenter.finish 'request.action_dispatch', request: request
end
logger() click to toggle source
# File lib/hot_catch/hot_catch_logger.rb, line 88
def logger
  Rails.logger
end