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require "active_support/callbacks"
module ActionCable
module Channel
module Callbacks
extend ActiveSupport::Concern
include ActiveSupport::Callbacks
included do
define_callbacks :subscribe
define_callbacks :unsubscribe
end
class_methods do
def before_subscribe(*methods, &block)
set_callback(:subscribe, :before, *methods, &block)
end
def after_subscribe(*methods, &block)
set_callback(:subscribe, :after, *methods, &block)
end
alias_method :on_subscribe, :after_subscribe
def before_unsubscribe(*methods, &block)
set_callback(:unsubscribe, :before, *methods, &block)
end
def after_unsubscribe(*methods, &block)
set_callback(:unsubscribe, :after, *methods, &block)
end
alias_method :on_unsubscribe, :after_unsubscribe
end
end
end
end
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