Module: ActionCable::Channel::Broadcasting::ClassMethods

Defined in:
actioncable/lib/action_cable/channel/broadcasting.rb

Instance Method Summary collapse

Instance Method Details

#broadcast_to(model, message) ⇒ Object

Broadcast a hash to a unique broadcasting for this model in this channel.


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# File 'actioncable/lib/action_cable/channel/broadcasting.rb', line 14

def broadcast_to(model, message)
  ActionCable.server.broadcast(broadcasting_for(model), message)
end

#broadcasting_for(model) ⇒ Object

Returns a unique broadcasting identifier for this model in this channel:

CommentsChannel.broadcasting_for("all") # => "comments:all"

You can pass any object as a target (e.g. Active Record model), and it would be serialized into a string under the hood.


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# File 'actioncable/lib/action_cable/channel/broadcasting.rb', line 24

def broadcasting_for(model)
  serialize_broadcasting([ channel_name, model ])
end

#serialize_broadcasting(object) ⇒ Object

:nodoc:


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# File 'actioncable/lib/action_cable/channel/broadcasting.rb', line 28

def serialize_broadcasting(object) # :nodoc:
  case
  when object.is_a?(Array)
    object.map { |m| serialize_broadcasting(m) }.join(":")
  when object.respond_to?(:to_gid_param)
    object.to_gid_param
  else
    object.to_param
  end
end