blob: 2691a3b145369f9c2d65feb725ced49f3daaab08 (
plain) (
blame)
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
|
module ActionCable
module Channel
module Redis
extend ActiveSupport::Concern
included do
on_unsubscribe :unsubscribe_from_redis_channels
delegate :pubsub, to: :connection
end
def subscribe_to(redis_channel, callback = nil)
callback ||= -> (message) { broadcast ActiveSupport::JSON.decode(message) }
@_redis_channels ||= []
@_redis_channels << [ redis_channel, callback ]
pubsub.subscribe(redis_channel, &callback)
end
protected
def unsubscribe_from_redis_channels
if @_redis_channels
@_redis_channels.each { |channel, callback| pubsub.unsubscribe_proc(channel, callback) }
end
end
end
end
end
|