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CarrierWave configure asset_hostにはブロックが渡せる

Posted at

まぁ README に書いてあるのですが。。

config/initilizer/carrierwave.rb
CarrierWave.configure do |config|
  config.asset_host = proc do |uploader|
    uploader.cached? ? '' : 'http://some.cnd.example.com'
  end
end
  • cached?でキャッシュされている(Validate処理の結果がfalseとなり入力画面に戻ってきた場合など)か判定して、

    cached? : true → '/uploads/tmp/xxxxxxxxx/xxxxxx.jpeg'
    cached? : false → 'http://some.cnd.example.com/uploads/tmp/xxxxxxxxx/xxxxxx.jpeg'
    

    のようにハンドリングできる

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