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
```
36 lines
935 B
Ruby
36 lines
935 B
Ruby
class Admin::SignatureSheetsController < Admin::BaseController
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def index
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@signature_sheets = SignatureSheet.all.order(created_at: :desc)
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end
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def new
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@signature_sheet = SignatureSheet.new
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end
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def create
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@signature_sheet = SignatureSheet.new(signature_sheet_params)
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@signature_sheet.author = current_user
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if @signature_sheet.save
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@signature_sheet.delay.verify_signatures
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redirect_to [:admin, @signature_sheet], notice: I18n.t("flash.actions.create.signature_sheet")
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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 show
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@signature_sheet = SignatureSheet.find(params[:id])
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@voted_signatures = Vote.where(signature: @signature_sheet.signatures.verified).count
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end
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private
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def signature_sheet_params
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params.require(:signature_sheet).permit(allowed_params)
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end
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def allowed_params
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[:signable_type, :signable_id, :title, :required_fields_to_verify]
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end
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end
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