Field::HasManyとField::NestedHasManyをcollection_attributesに移行する

[goosys]

Issues

• taking :skip in nested collection into account nickcharlton/administrate-field-nested_has_many#54
• hasMany collection columns thoughtbot/administrate#2415

Tasks

• feat: Add :collection_attributes option to Field::NestedHasMany #21

Usage

class Book < ApplicationRecord
  has_many :book_printing_histories
  accepts_nested_attributes_for :book_printing_histories, allow_destroy: true

  def least_book_printing_histories
    book_printing_histories.where(id: book_printing_histories.order(printing_number: :desc).limit(1).pluck(:id))
  end
end

class BookDashboard < Administrate::BaseDashboard
  ATTRIBUTE_TYPES = {
    book_printing_histories: Field::NestedHasMany.with_options(
      parent: :book,
      skip: [:book]
    ),
    least_book_printing_histories: Field::NestedHasMany.with_options(
      dashboard_name: "BookPrintingHistoryDashboard",
      skip: [:book],
      collection_attributes: %i[printing_number printed_at]
    ),

Todos

• spec