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simple_formのcollection_radio_buttonsのinclude_hiddenオプション

simple_formのcollection_radio_buttonsで詰まったところがあったので記載。

環境

Rails 5.2.2
simple_form 4.1.0

詰まった時の状況

特定のレコードの状態の時に collection_radio_buttons で生成したradio buttonをdisableにしていた。
対象のカラムはint(modelでenum指定)でnot null

collection_radio_buttons で生成する際に

<input type="hidden" name="model_name[column_name]" value="">

も一緒に生成され、対応するカラムのparamがblankでpostされてしまった。

対応

include_hidden: false をオプションとして渡す

<%= f.collection_radio_buttons :column_name, ~~, include_hidden: false %>

Readme等に記載見当たらずなかなかたどり着けなかった。。。

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