app/forms/phone_number_plan_form.rb
class PhoneNumberPlanForm
include ActiveModel::Model
include ActiveModel::Attributes
attribute :phone_number
attribute :account
attribute :phone_number_plan, default: -> { PhoneNumberPlan.new }
delegate :persisted?, :new_record?, :id, to: :phone_number_plan
delegate :id, to: :phone_number, prefix: true
def self.model_name
ActiveModel::Name.new(self, nil, "PhoneNumberPlan")
end
def save
return false if invalid?
self.phone_number_plan = CreatePhoneNumberPlan.call(phone_number:, account:)
end
end