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Rails: ActiveAdmin minimal configuration for creating has_many forms (
Assumption: The required migration is performed.
Parent model
Specify " accepts nested attributes for" with " has many" .
class Book < ActiveRecord::Base has_many :images accepts_nested_attributes_for :images end
Child model
Just make a model.
class Image < ActiveRecord::Base end
resource
Point : Specify attributes in permit_params.
ActiveAdmin.register Book do permit_params :title, images_attributes: [:kind] form do |f| f.inputs do f.input :title end f.inputs do f.has_many :images do |t| t.input :kind end end f.actions end end
environment
- ActiveAdmin 1.0.0.pre1
- Rails 4.0.13
- ruby 2.0.0
reference
Original by
Rails: ActiveAdmin で has_many なフォーム ( nested resouces ) を作るための最小構成
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公開日時
2019-04-16
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