canvas-lms/lib/canvas_logger.rb

67 lines
1.8 KiB
Ruby

# frozen_string_literal: true
#
# Copyright (C) 2011 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
class CanvasLogger < ActiveSupport::Logger
def capture_messages(&)
CanvasLogger.prepend Capture unless CanvasLogger.include?(Capture)
capture_messages(&)
end
def capture_messages!
CanvasLogger.prepend Capture unless CanvasLogger.include?(Capture)
captured_message_stack << []
end
module Capture
CAPTURE_LIMIT = 10_000
def captured_message_stack
@captured_message_stack ||= []
end
def capture_messages!
captured_messages.clear
end
def captured_messages
captured_message_stack.last
end
def capture_messages
captured_message_stack.push([])
yield
captured_messages
ensure
captured_message_stack.pop
captured_messages
end
def add(severity, message = nil, progname = nil)
return if level > severity
message = (message || (block_given? && yield) || progname).to_s
captured_message = "[#{Time.now}] #{message}"
captured_message_stack.each do |messages|
messages << captured_message if messages.length < CAPTURE_LIMIT
end
super
end
end
end