Module: AnyCable::Rails::ChannelState::ClassMethods

Defined in:
lib/anycable/rails/channel_state.rb

Instance Method Summary collapse

Instance Method Details

#channel_state_attributes ⇒ Object 



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# File 'lib/anycable/rails/channel_state.rb', line 29

def channel_state_attributes
  return @channel_state_attributes if instance_variable_defined?(:@channel_state_attributes)

  @channel_state_attributes =
    if superclass.respond_to?(:channel_state_attributes)
      superclass.channel_state_attributes.dup
    else
      []
    end
end

#state_attr_accessor(*names) ⇒ Object 



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# File 'lib/anycable/rails/channel_state.rb', line 7

def state_attr_accessor(*names)
  names.each do |name|
    channel_state_attributes << name
    class_eval <<~RUBY, __FILE__, __LINE__ + 1
      def #{name}
        return @#{name} if instance_variable_defined?(:@#{name})
        return unless anycabled?

        raw_val = __istate__["#{name}"]
        val = raw_val.present? ? AnyCable::Serializer.deserialize(JSON.parse(raw_val)) : nil

        @#{name} = val.try(:with_indifferent_access) || val
      end

      def #{name}=(val)
        __istate__["#{name}"] = AnyCable::Serializer.serialize(val).to_json if anycabled?
        instance_variable_set(:@#{name}, val)
      end
    RUBY
  end
end