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我正在处理一个多步骤表单，这就是我需要部分验证的原因。这是我的模型。

  class User < ApplicationRecord

  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :validatable,
         :omniauthable, omniauth_providers: %i[facebook]

    cattr_accessor :form_steps do
        %w(address) 
    end

    attr_accessor :current_step

    has_one :profile, dependent: :destroy
    after_create :create_profile
    accepts_nested_attributes_for :profile
    validates :first_name, presence: true
    validates :last_name, presence: true
    validates :street, presence: true, if: -> { current_step?(:address) }
    validates :house_number, presence: true, if: -> { current_step?(:address) }
    validates :city, presence: true, if: -> { current_step?(:address) }
    validates :zip_code, presence: true, if: -> { current_step?(:address) }


    def current_step?(step)
      current_step == step
    end


    def self.from_omniauth(auth)
        where(provider: auth.provider, uid: auth.uid).first_or_create do |user|
            user.email = auth.info.email
            user.password = Devise.friendly_token[0, 20]
            name = auth.info.name
            user.first_name = name.split(" ")[0]
            user.last_name = name.split(" ")[1] 
        end
    end
end

不幸的是，这个位不起作用，这意味着步骤：地址的验证不起作用，它将让用户注册而无需填写步骤：地址上的表格。

validates :street, presence: true, if: -> { current_step?(:address) }
validates :house_number, presence: true, if: -> { current_step?(:address) }
validates :city, presence: true, if: -> { current_step?(:address) }
validates :zip_code, presence: true, if: -> { current_step?(:address) }

为什么？这里有什么问题？

这是 UserSteps_Controller

class UserStepsController < ApplicationController
    include Wicked::Wizard
    steps :address


    def show
      @user = current_user || User.from_omniauth(request.env["omniauth.auth"])
      render_wizard
    end


    def update
      @user = current_user || User.from_omniauth(request.env["omniauth.auth"])
      @user.update!(user_params)
      render_wizard @user
    end

    private

    def user_params
        params.require(:user).permit(:email, :password, :password_confirmation, :remember_me, :first_name, :last_name, :street, :house_number, :city, :zip_code)
    end

    def redirect_to_finish_wizard(options = nil, params = nil)
        redirect_to new_user_profile_path(current_user)
    end

end

谢谢你。

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