管理员更改用户的批准状态 - Rails + Devise + Cancancan [英] Admin Change Approval Status of User - Rails + Devise + Cancancan

问题描述

我遵循了这个link 以了解如何让管理员批准新用户.我的 User 模型上有一个 approved 属性，它是一个布尔值.

I followed this link to figure out how to have an admin approve a new user. I have an approved attribute on my User model that is a boolean.

2 问题 - 1) 当我以管理员身份登录并通过 link_to "Edit", edit_user_path(user) 转到编辑用户以更改已批准的用户时 - url 用于正确的用户，但随后更新操作尝试更新当前的管理员用户.

2 problems - 1) when I'm logged in as admin and go to the edit user via the link_to "Edit", edit_user_path(user) to change approved user - the url is for the correct user but then the update action tries to update the current admin user.

2) 我希望覆盖所需的当前密码，因此我在 Registrations 控制器中放置了一个方法来执行以下操作，但出现此错误:

2) I would prefer to have the override of the needed current password so I've put a method in the Registrations controller to do this below but get this error:

错误:用户的未知属性current_password".

因此它不会覆盖 current_password 并且不会更新正确的非管理员用户 -我哪里出错了?

So it won't override the current_password and it won't update the correct non-admin user - Where am I going wrong?

class Ability
      include CanCan::Ability

      def initialize(user)

       current_user ||= User.new # guest user (not logged in)
        if current_user.admin == true
          can :manage, :all
        else
          can :manage, User, id: user.id
        end       
      end
    end

路线

Rails.application.routes.draw do
  devise_for :users, controllers: { registrations: 'registrations' }
  resources :users
end

控制器

class RegistrationsController < Devise::RegistrationsController

  def update_resource(resource, params)
    resource.update_without_password(params) if current_user.admin == true
  end
end

推荐答案

我花了很多时间试图解决这个问题，但没有在网上找到任何明确的、端到端的完整示例，所以我把所有内容都放在下面因此，希望 RoR/Devise 的任何新用户都不会遇到相同的问题.

I spent a lot of time trying to solve this and didn't find any definitive, end-to-end complete examples online so I'm putting everything below so any new users to RoR/Devise hopefully won't have same problems.

假设 Devise 在 User 模型上.确保您的 Cancancan 已相应设置.类似的东西:

Assuming Devise is on the User model. Ensure your Cancancan is setup accordingly. Something similar to this:

模型/能力.rb

class Ability
  include CanCan::Ability

  def initialize(user)
    # Define abilities for the passed in user here. For example:
    #
    current_user ||= User.new # guest user (not logged in)
    if current_user.admin
      can :manage, :all
    else
      can :manage, User, id: user.id
    end
 end
end

按照这里

他提到有一个仅限管理员访问"的页面.如果有人不确定如何执行此操作:

He mentions have an 'admin-accessible only' page. In case someone's not sure how to do this:

class UsersController < ApplicationController
  before_action :admin?, only: :index

  def index
    if params[:approved] == false
      @users = User.where(approved: false)
    else
      @users = User.all
    end
  end

private
  def admin?
    redirect_to '/login' unless current_user.admin == true
  end

end

替换这一行(我使用 .erb 而不是 .haml，因为他在链接中所做的)%td= link_to "Edit", edit_user_path(user) 用这个:<%= 用户批准 %>

Replace this line (I use .erb not .haml as he does in the link) %td= link_to "Edit", edit_user_path(user) with this: <%= User.approved %>

          <td>
            <% if !User.approved %>
              <%= link_to "Approve User", user_path(:id => user.id, "user[approved]" => true), :method => :patch, class: "btn btn-success" %>
            <% else %>
              <%= link_to "Unapprove User", user_path(:id => user.id, "user[approved]" => false), :method => :patch, class: "btn btn-danger" %>
            <% end %>
          </td>

这实际上为您提供了一个按钮，单击该按钮将批准用户，反之亦然.困扰我好几天的关键是 a) 您必须确保您的表单(在这种情况下，link_to 命中用户控制器，而不是 RegistrationsController#update> 方法.

This essentially gives you a button that when clicked, will approve the user and visa-versa. The key here that tripped me up for days is that a) You have to ensure that your form (in this case, the link_to hits the Users controller and NOT the RegistrationsController#update method.

我知道一些在线链接提供了创建Registrations 模型和更改路由、覆盖模型等的说明.

I know some online links gave instructions to create a Registrations model and changing routes, overriding models, etc.

老实说，我的最终解决方案不需要任何这些.希望这会有所帮助！

Honestly, my final solution didn't need any of that. Hope this helps!

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