1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
# frozen_string_literal: true
# :markup: markdown
require "set"
module ActionCable
module Connection
module Identification
extend ActiveSupport::Concern
included do
class_attribute :identifiers, default: Set.new
end
module ClassMethods
# 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.filter_map { |id| instance_variable_get("@#{id}") }
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
|
