设置ActiveAdmin过滤器默认值 [英] Set ActiveAdmin filter default value

问题描述

我在ActiveAdmin中有一个用于布尔值的简单过滤器。看起来像这样

I have a simple filter in ActiveAdmin for boolean value. It looks like this

filter :invisible, as: :select

您可以选择 any， true或 false，并且效果很好。但是过滤器的默认值为 any，而我需要将其设置为 true。我该怎么做？谢谢。

You may choose "any", "true" or "false" and it works just fine. But the default value of the filter is "any", while I need to set it to "true". How can I do it? Thank you.

推荐答案

我找到了答案。您必须使用 before_filter ，就像操作

I've found an answer. You have to use before_filter so it is as simple as

controller do
  before_filter invisible: :index do
    params[:q] = {invisible_eq: true} if params[:commit].blank?
  end
end

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