When customizing CONSUL, one of the most common actions is adding a new
field to a form.
This requires modifying the permitted/allowed parameters. However, in
most cases, the method returning these parameters returned an instance
of `ActionController::Parameters`, so adding more parameters to it
wasn't easy.
So customizing the code required copying the method returning those
parameters and adding the new ones. For example:
```
def something_params
params.require(:something).permit(
:one_consul_attribute,
:another_consul_attribute,
:my_custom_attribute
)
end
```
This meant that, if the `something_params` method changed in CONSUL, the
customization of this method had to be updated as well.
So we're extracting the logic returning the parameters to a method which
returns an array. Now this code can be customized without copying the
original method:
```
alias_method :consul_allowed_params, :allowed_params
def allowed_params
consul_allowed_params + [:my_custom_attribute]
end
```
49 lines
905 B
Ruby
49 lines
905 B
Ruby
class Admin::Poll::BoothsController < Admin::Poll::BaseController
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load_and_authorize_resource class: "Poll::Booth"
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def index
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@booths = @booths.search(params[:search])
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@booths = @booths.order(name: :asc).page(params[:page])
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end
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def show
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end
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def new
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end
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def create
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if @booth.save
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redirect_to admin_booths_path, notice: t("flash.actions.create.poll_booth")
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else
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render :new
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end
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end
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def edit
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end
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def update
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if @booth.update(booth_params)
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redirect_to admin_booth_path(@booth), notice: t("flash.actions.update.poll_booth")
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else
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render :edit
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end
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end
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def available
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@booths = Poll::Booth.available.order(name: :asc).page(params[:page])
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render :index
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end
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private
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def booth_params
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params.require(:poll_booth).permit(allowed_params)
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end
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def allowed_params
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[:name, :location]
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end
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end
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