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
```
67 lines
1.6 KiB
Ruby
67 lines
1.6 KiB
Ruby
module Admin::BudgetHeadingsActions
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extend ActiveSupport::Concern
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included do
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include Translatable
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include FeatureFlags
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feature_flag :budgets
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before_action :load_budget
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before_action :load_group
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before_action :load_heading, only: [:edit, :update, :destroy]
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end
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def edit
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end
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def create
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@heading = @group.headings.new(budget_heading_params)
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if @heading.save
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redirect_to headings_index, notice: t("admin.budget_headings.create.notice")
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else
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render new_action
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end
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end
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def update
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if @heading.update(budget_heading_params)
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redirect_to headings_index, notice: t("admin.budget_headings.update.notice")
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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 destroy
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if @heading.can_be_deleted?
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@heading.destroy!
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redirect_to headings_index, notice: t("admin.budget_headings.destroy.success_notice")
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else
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redirect_to headings_index, alert: t("admin.budget_headings.destroy.unable_notice")
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end
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end
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private
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def load_budget
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@budget = Budget.find_by_slug_or_id! params[:budget_id]
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end
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def load_group
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@group = @budget.groups.find_by_slug_or_id! params[:group_id]
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end
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def load_heading
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@heading = @group.headings.find_by_slug_or_id! params[:id]
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end
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def budget_heading_params
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params.require(:budget_heading).permit(allowed_params)
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end
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def allowed_params
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valid_attributes = [:price, :population, :allow_custom_content, :latitude, :longitude, :max_ballot_lines]
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[*valid_attributes, translation_params(Budget::Heading)]
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end
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end
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