rails/actioncable/lib/action_cable/connection/identification.rb
Xavier Noria b678eb57e9 applies new string literal convention in actioncable/lib
The current code base is not uniform. After some discussion,
we have chosen to go with double quotes by default.
2016-08-06 19:13:46 +02:00

47 lines
1.4 KiB
Ruby

require "set"
module ActionCable
module Connection
module Identification
extend ActiveSupport::Concern
included do
class_attribute :identifiers
self.identifiers = Set.new
end
class_methods do
# Mark a key as being a connection identifier index that can then be used to find the specific connection again later.
# Common identifiers are current_user and current_account, but could be anything, really.
#
# Note that anything marked as an identifier will automatically create a delegate by the same name on any
# channel instances created off the connection.
def identified_by(*identifiers)
Array(identifiers).each { |identifier| attr_accessor identifier }
self.identifiers += identifiers
end
end
# Return a single connection identifier that combines the value of all the registered identifiers into a single gid.
def connection_identifier
unless defined? @connection_identifier
@connection_identifier = connection_gid identifiers.map { |id| instance_variable_get("@#{id}") }.compact
end
@connection_identifier
end
private
def connection_gid(ids)
ids.map do |o|
if o.respond_to? :to_gid_param
o.to_gid_param
else
o.to_s
end
end.sort.join(":")
end
end
end
end