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Contents
# frozen_string_literal: true
require "active_support/callbacks"
module ActionCable
module Connection
# = Action Cable \Connection \Callbacks
#
# The {before_command}[rdoc-ref:ClassMethods#before_command],
# {after_command}[rdoc-ref:ClassMethods#after_command], and
# {around_command}[rdoc-ref:ClassMethods#around_command] callbacks are
# invoked when sending commands to the client, such as when subscribing,
# unsubscribing, or performing an action.
#
# ==== Example
#
# module ApplicationCable
# class Connection < ActionCable::Connection::Base
# identified_by :user
#
# around_command :set_current_account
#
# private
#
# def set_current_account
# # Now all channels could use Current.account
# Current.set(account: user.account) { yield }
# end
# end
# end
#
module Callbacks
extend ActiveSupport::Concern
include ActiveSupport::Callbacks
included do
define_callbacks :command
end
module ClassMethods
def before_command(*methods, &block)
set_callback(:command, :before, *methods, &block)
end
def after_command(*methods, &block)
set_callback(:command, :after, *methods, &block)
end
def around_command(*methods, &block)
set_callback(:command, :around, *methods, &block)
end
end
end
end
end
Version data entries
14 entries across 14 versions & 4 rubygems