用户登录失败后设计重定向 [英] Devise redirect after users fail signin

问题描述

我知道有一个关于它的维基页面，但由于我对Rails很新，我在理解该页面时遇到很多困难。

I know there is a wiki page about it, but since I'm very new to Rails I am having lot of difficulties in understanding that page.

我不得不为我的用户重写注册控制器。当用户登录失败时，我希望他被重定向到我的自定义登录页面。但应用程序将其发送到宝石内的登录页面。

I had to override registration controller for my user. When user fails to signin I want him to be redirected to my custom signin page. But the application send him to the signin page inside the gem.

我该如何完成？
我有多个模型，每个模型都有一个不同的登录页面。 如何设置每个模型的范围？

class CustomFailure < Devise::FailureApp

  def redirect_url

    #return super unless [:worker, :employer, :user].include?(scope) #make it specific to a scope
    new_user_session_url(:subdomain => 'secure')
  end

 # You need to override respond to eliminate recall
 def respond
   if http_auth?
     http_auth
   else
     redirect
   end
 end

end

Devise是一个强大的宝石，但一些wiki页面不认为可能有很多新的程序员

Devise is a powerful gem but some wiki pages don't consider that there can be lots of new programmers

推荐答案

我直接在 / lib 中找到我的身份验证失败课程。

I have my auth failure over-ride class in /lib directly.

这是一个裸机版本，显示如何处理用户的不同范围。

Here's a bare-bones version that shows how to handle different scopes for users.

class MyAuthFailure < Devise::FailureApp

  # add different cases here for diff scopes.
  def redirect_url 
    if warden_options[:scope] == :user 
      root_path 
    elsif warden_options[:scope] == :admin 
      admin_root_path 
    end 
  end 

  # You need to override respond to eliminate recall
  def respond
    if http_auth?
      http_auth
    else
      redirect
    end
  end  
end

你可以把这个类放在 /lib/my_auth_failure.rb

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