Class: Pakyow::UI::Handler Private

Inherits:
Object
  • Object
show all
Defined in:
lib/pakyow/ui/handler.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Handler

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Handler.



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# File 'lib/pakyow/ui/handler.rb', line 16

def initialize(app)
  @app = app
end

Instance Method Details

#call(args, subscription: nil, result: nil) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/pakyow/ui/handler.rb', line 20

def call(args, subscription: nil, result: nil)
  renderer = Marshal.restore(args[:metadata])[:renderer]
  renderer.presentables[:__ui_transform] = true

  # If an ephemeral caused the update, replace the value for any matching presentables.
  #
  if result.is_a?(Data::Sources::Ephemeral)
    renderer.presentables.each do |key, value|
      if value.is_a?(Data::Proxy) && value.source.is_a?(Data::Sources::Ephemeral) && value.source.type == result.type && value.source.qualifications == result.qualifications
        value.instance_variable_set(:@source, result)
      end
    end
  end

  renderer.perform

  @app.websocket_server.subscription_broadcast(
    Realtime::Channel.new(:transformation, subscription[:id]),
    { id: args[:transformation_id], calls: renderer.presenter }
  )
end