module ViewModel::ActiveRecord::Controller

def create(serialize_context: new_serialize_context, deserialize_context: new_deserialize_context)
  update_hash, refs = parse_viewmodel_updates
  view = nil
  pre_rendered = viewmodel_class.transaction do
    view = viewmodel_class.deserialize_from_view(update_hash, references: refs, deserialize_context: deserialize_context)
    serialize_context.add_includes(deserialize_context.updated_associations)
    view = yield(view) if block_given?
    ViewModel.preload_for_serialization(view, serialize_context: serialize_context)
    prerender_viewmodel(view, serialize_context: serialize_context)
  end
  render_json_string(pre_rendered)
  view
end

def destroy(serialize_context: new_serialize_context, deserialize_context: new_deserialize_context)
  viewmodel_class.transaction do
    view = viewmodel_class.find(viewmodel_id, eager_include: false, serialize_context: serialize_context)
    view.destroy!(deserialize_context: deserialize_context)
  end
  render_viewmodel(nil)
end

def index(scope: nil, viewmodel_class: self.viewmodel_class, serialize_context: new_serialize_context(viewmodel_class: viewmodel_class))
  views = nil
  pre_rendered = viewmodel_class.transaction do
    views = viewmodel_class.load(scope: scope, serialize_context: serialize_context)
    views = yield(views) if block_given?
    prerender_viewmodel(views, serialize_context: serialize_context)
  end
  render_json_string(pre_rendered)
  views
end

def show(scope: nil, viewmodel_class: self.viewmodel_class, serialize_context: new_serialize_context(viewmodel_class: viewmodel_class))
  view = nil
  pre_rendered = viewmodel_class.transaction do
    view = viewmodel_class.find(viewmodel_id, scope: scope, serialize_context: serialize_context)
    view = yield(view) if block_given?
    prerender_viewmodel(view, serialize_context: serialize_context)
  end
  render_json_string(pre_rendered)
  view
end

def viewmodel_id
  parse_param(:id)
end