class Avo::ExecutionContext

def handle
  target.respond_to?(:call) ? instance_exec(&target) : target
end

def initialize(**args)
  # Extend the class with custom modules if required.
  if args[:include].present?
    args[:include].each do |mod|
      self.class.send(:include, mod)
    end
  end
  # If target doesn't respond to call, we don't need to initialize the others attr_accessors.
  return unless (@target = args[:target]).respond_to? :call
  args.except(:target).each do |key, value|
    singleton_class.class_eval { attr_accessor key }
    instance_variable_set("@#{key}", value)
  end
  # Set defaults on not initialized accessors
  @context ||= Avo::Current.context
  @current_user ||= Avo::Current.user
  @params ||= Avo::Current.params
  @request ||= Avo::Current.request
  @view_context ||= Avo::Current.view_context
  @main_app ||= @view_context.main_app
  @avo ||= @view_context.avo
end