Module: StrongerParameters::Parameters

Extended by:
ActiveSupport::Concern
Defined in:
lib/stronger_parameters/parameters.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#hash_filter_with_stronger_parameters(params, filter) ⇒ Object 



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# File 'lib/stronger_parameters/parameters.rb', line 128

def hash_filter_with_stronger_parameters(params, filter)
  stronger_filter = ActiveSupport::HashWithIndifferentAccess.new
  other_filter    = ActiveSupport::HashWithIndifferentAccess.new

  filter.each do |k, v|
    if v.is_a?(Constraint)
      stronger_filter[k] = v
    else
      other_filter[k] = v
    end
  end

  hash_filter_without_stronger_parameters(params, other_filter)

  stronger_filter.keys.each do |key|
    value = fetch(key, nil)
    result = nil

    if value.nil? && self.class.allow_nil_for_everything
      params[key] = nil if key?(key)
      next
    end

    constraint = stronger_filter[key]

    if key?(key)
      result = constraint.value(value)
    elsif constraint.required?
      result = InvalidValue.new(nil, 'must be present')
    else
      next
    end

    if result.is_a?(InvalidValue)
      name = "invalid_parameter.action_controller"
      ActiveSupport::Notifications.publish(name, key: key, value: value, message: result.message)

      action = self.class.action_on_invalid_parameters
      case action
      when :raise, nil
        raise StrongerParameters::InvalidParameter.new(result, key)
      when Proc
        action.call(result, key)
      when :log
        Rails.logger.warn("#{key} #{result.message}, but was: #{value.inspect}")
      else
        raise ArgumentError, "Unsupported value in action_on_invalid_parameters: #{action}"
      end

      params[key] = value
    else
      params[key] = result
    end
  end
end