You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
3.5 KiB
101 lines
3.5 KiB
module Semantic
|
|
# use the Zeitwerk autoloader to reattach_appender for development autoreloading feature
|
|
class DevLoader
|
|
def initialize(session_key)
|
|
@session_key = session_key
|
|
force_preload_module
|
|
|
|
once_and_reload do
|
|
append_ansi_formatter
|
|
register_log_subscriber
|
|
end
|
|
|
|
# FIXME: proper unsubscribe!!!
|
|
# RailsSemanticLogger::ActionController::LogSubscriber.logger.level = :fatal
|
|
|
|
#
|
|
# RailsSemanticLogger.swap_subscriber(
|
|
# RailsSemanticLogger::ActionController::LogSubscriber,
|
|
# @log_subscriber, # attach missing!!!
|
|
# :action_controller
|
|
# )
|
|
|
|
# ActiveSupport::LogSubscriber.subscribers.each do |sub|
|
|
# puts "subscriber #{sub.pattern}"
|
|
# end
|
|
# RailsSemanticLogger.swap_subscriber(RailsSemanticLogger::ActionController::LogSubscriber,
|
|
# @log_subscriber, :action_controller)
|
|
end
|
|
|
|
private
|
|
|
|
def once_and_reload(&)
|
|
yield
|
|
Rails.autoloaders.main.on_load('ApplicationController', &)
|
|
end
|
|
|
|
def force_preload_module
|
|
self.class.module_parent.constants.each { |const| self.class.module_parent.const_get(const) }
|
|
end
|
|
|
|
def append_ansi_formatter
|
|
SemanticLogger.clear_appenders!
|
|
formatter = Semantic::AnsiFormatter.new
|
|
SemanticLogger.add_appender(io: $stdout,
|
|
formatter:,
|
|
filter: ->(log) { !formatter.reject(log) })
|
|
end
|
|
|
|
def register_log_subscriber
|
|
reset_subscribers
|
|
register_to_action_controller(:start_processing)
|
|
register_to_action_controller(:process_action, :finish_processing)
|
|
register_to_action_controller(:redirect_to)
|
|
%i[send_file send_data halted_callback unpermitted_parameters send_stream write_fragment
|
|
read_fragment expire_fragment exist_fragment?].each do |hook|
|
|
register_to_action_controller(hook, :any_hook)
|
|
end
|
|
end
|
|
|
|
def register_to_action_controller(hook, method = hook)
|
|
@subscribers << ActiveSupport::Notifications.subscribe("#{hook}.action_controller") do |event|
|
|
@log_subscriber.send(method, event)
|
|
end
|
|
end
|
|
|
|
def subscriber_patterns(subscriber)
|
|
subscriber.patterns.respond_to?(:keys) ? subscriber.patterns.keys : subscriber.patterns
|
|
end
|
|
|
|
def unattach(subscriber, pattern)
|
|
subscriber_patterns(subscriber).each do |sub_pattern|
|
|
ActiveSupport::Notifications.notifier.listeners_for(sub_pattern).each do |sub|
|
|
next unless sub.instance_variable_get(:@delegate) == subscriber
|
|
next unless pattern.match(sub_pattern)
|
|
|
|
# puts "FOUND subscriber=#{subscriber} for sub_pattern=#{sub_pattern} with logger #{subscriber.logger.name}"
|
|
# puts 'remove notification then log_subscriber'
|
|
|
|
ActiveSupport::Notifications.unsubscribe(sub)
|
|
ActiveSupport::LogSubscriber.subscribers.delete(subscriber)
|
|
end
|
|
end
|
|
end
|
|
|
|
# pattern could be either a string 'start_processing.action_controller' or a regex /\.action_controller$/
|
|
def clear_subscribers(pattern)
|
|
ActiveSupport::LogSubscriber.subscribers.each { |sub| unattach(sub, pattern) }
|
|
end
|
|
|
|
def reset_subscribers
|
|
clear_subscribers(/\.action_controller$/)
|
|
if defined?(@subscribers)
|
|
@subscribers.each { |sub| ActiveSupport::Notifications.unsubscribe(sub) }
|
|
@subscribers.clear
|
|
else
|
|
@subscribers = []
|
|
end
|
|
@log_subscriber = Semantic::LogSubscriber.new(@session_key)
|
|
end
|
|
end
|
|
end
|