Module: ModelUpdates::ModelExtensions::ClassMethods

Defined in:
lib/model_updates/model_extensions.rb

Instance Method Summary collapse

Instance Method Details

#model_updates_broadcast_attributes(args) ⇒ Object



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# File 'lib/model_updates/model_extensions.rb', line 7

def model_updates_broadcast_attributes(args)
  after_save do
    changes = {}

    args.fetch(:attributes).each do |attribute_name|
      if Rails::VERSION::MAJOR >= 5 && Rails::VERSION::MINOR >= 1
        method_changed = "saved_change_to_#{attribute_name}?"
      else
        method_changed = "#{attribute_name}_changed?"
      end

      next unless __send__(method_changed)
      changes[attribute_name] = __send__(attribute_name)
    end

    if changes.any?
      ModelUpdates::ModelChannel.broadcast_to(
        self,
        id: id,
        model: self.class.name,
        changes: changes
      )
    end
  end
end