Class: LiveChannel

Inherits:
ActionCable::Channel::Base
  • Object
show all
Defined in:
app/channels/live_channel.rb

Instance Method Summary collapse

Instance Method Details

#broadcast(data) ⇒ Object

Exposes #transmit, which ActionCable keeps private to the channel.



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# File 'app/channels/live_channel.rb', line 45

def broadcast(data)
  transmit(data)
end

#receive(data) ⇒ Object 



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# File 'app/channels/live_channel.rb', line 33

def receive(data)
  live_connection.receive(component, data)
end

#subscribed ⇒ Object 



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# File 'app/channels/live_channel.rb', line 4

def subscribed
  instance = nil

  # Build live_id from component and id params
  live_id = "#{params[:component]}/#{params[:id]}"

  instance = live_connection.get_component(live_id)
  rendered = instance.present?

  unless instance
    instance = LiveCable.instance_from_string(params[:component], params[:id])
    live_connection.add_component(instance)
    instance.defaults = params[:defaults]
    instance.apply_defaults
  end

  instance.connect(self)

  if rendered
    instance.broadcast_subscribe
  else
    instance.broadcast_render
  end

  @component = instance
rescue StandardError => error
  live_connection.handle_error(instance, error) if instance
end

#unsubscribed ⇒ Object 



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# File 'app/channels/live_channel.rb', line 37

def unsubscribed
  return unless component

  component.disconnect
  @component = nil
end