ruby-on-rails – Rails 5 – 如何使用Pundit

我已经制作了一个全新的rails 5 app并安装了专家.

我有一个用户资源,一个应用程序策略和一个用户策略.每个人都有：

用户控制器：

def index
    # @users = User.all
    @users = policy_scope(User)
  end

申请政策

class ApplicationPolicy
  attr_reader :user,:record

  def initialize(user,record)
    @user = user
    @record = record
  end

  def index?
    true
  end

  def show?
    scope.where(:id => record.id).exists?
  end

  def create?
    false
  end

  def new?
    create?
  end

  def update?
    false
  end

  def edit?
    update?
  end

  def destroy?
    false
  end

  def scope
    Pundit.policy_scope!(user,record.class)
  end

  class Scope
    attr_reader :user,:scope

    def initialize(user,scope)
      @user = user
      @scope = scope
    end

    def resolve
      scope
    end
  end
end

用户政策

class UserPolicy < ApplicationPolicy
  class Scope < Scope
    def resolve
      scope.where(user: user)
    end
  end


end

然后在我的用户索引中,我试图按照权威宝石文档中的说明进行操作：

<% policy_scope(@users).each do |user| %>

我收到此错误：

PG::UndefinedColumn: ERROR:  column users.user does not exist
LINE 1: SELECT "users".* FROM "users" WHERE "users"."user" = '566119...
                                            ^
: SELECT "users".* FROM "users" WHERE "users"."user" = '566119d2-54d8-4ab2-b7c5-f17c80b517f3' AND "users"."user" = '566119d2-54d8-4ab2-b7c5-f17c80b517f3'

任何人都可以看到我是如何开始错误的吗？我甚至没有尝试以我想要的方式定义我的范围,但它现在不起作用.