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simple_formでnestしたmodelの多言語化対応

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simple_fromでuserが複数profileを持っているような場合、localeファイルは、親model配下にnestした上で複数系で指定する。

user.rb
class User < ActiveRecord::Base
  has_many :profiles, dependent: :destroy
  accepts_nested_attributes_for :profiles
  # …
end
profile.rb
class Profile < ActiveRecord::Base
  belongs_to :user
  # …
end

正解

config/locales/simple_form.ja.yml
ja:
  simple_form:
    # ...
    labels:
      defaults:
      # ...
      user:
        # ...
        profiles:
          hoge: "ほげ"
          huga: "ふが"

不正解

親modelと同じ階層

config/locales/simple_form.ja.yml
ja:
  simple_form:
    # ...
    labels:
      defaults:
      # ...
      user:
      # ...
      profile:
        hoge: "ほげ"
        huga: "ふが"

単数形

config/locales/simple_form.ja.yml
ja:
  simple_form:
    # ...
    labels:
      defaults:
      # ...
      user:
        # ...
        profile:
          hoge: "ほげ"
          huga: "ふが"
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