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ActiveAdmin 画面遷移時にfilterのパラメーターをセットする

親要素から子要素に遷移する際, 親要素のidで絞りたい

これだけと何をいってるかわからないので

例)
Company : Shop = 1 : N のRelationの時,

Companyの画面から, Shopの一覧画面へ遷移する時,
そのままではデータが大きすぎるので,
最初からShopを外部キーのCompany_Idで絞っておきたい

  # カスタム アクション
  # 一度変数に入れないと, エスケープされずエラーとなる
  query = "q[company_id_equals]"
  action_item :my_button1, only: :show do
    link_to "店舗の一覧に遷移する", active_admin_shops_path({query => company.id})
  end

これだけで遷移と同時にfilterがかかります.
調べても載っておらず, 尚且つ需要があると思うので書きました.

nacopon
ゴリラです。
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