rails設計after_sign_up_path_for未定義的方法`子域'

Question

我試圖在成功註冊到各自的子域後重定向用戶。我在application_controller中輸入了下面的代碼。

application_controller.rb

protected 

def after_sign_in_path_for(resource) 
    redirect_to root_url(subdomain: @users.subdomain) 
end 

我收到以下錯誤

NoMethodError in Devise::SessionsController#create 
undefined method `subdomain' for nil:NilClass 

Extracted source (around line #10): 


def after_sign_up_path_for(subdomain) 
    redirect_to root_url(subdomain: @users.subdomain) 
end 

Answer 1

NoMethodError在設計:: SessionsController＃的零創建未定義的方法 `子域：NilClass

@users是nil，所以Rails吐出這個錯誤。當您使用Devise時，Devise型號（User）實例可以通過resource進行訪問。

def after_sign_in_path_for(resource) 
    redirect_to root_url(subdomain: resource.subdomain) 
end 

您還可以使用current_user

def after_sign_in_path_for(resource) 
    redirect_to root_url(subdomain: current_user.subdomain) 
end