params.require(:resource).permit(:title, :description, :challenge, :weight, :status, :subject_primary, :subject_secondary, :subject_tertiary, :concept_primary, :concept_secondary, :material_type, :media_type, :cover_image, :resource_group_id, :content, *Resource.globalize_attribute_names, grade_level: [], extra_data: [:embed_code, :embed_platform, :external_link, :buzz_id, :domainid, :libraryid])

Resource model
belongs_to :resource_group, optional: true

Resource Group Model
 has_many :resources


 resource form:
 .columns
    .column
      %fieldset
        .field
          = f.label :resource_group_id, t("helpers.label.resource.resource_group"), class: 'label'
          .control
            .select.is-fullwidth
              = f.collection_select :resource_group_id, ResourceGroup.all, :id, :name, include_blank: true, prompt: t("admin.resources.select_options_resource_group")



  def change
    add_reference :resources, :resource_group
  end