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我正在构建一个具有 3 个模型(客户、积分、管理员)的应用程序。客户有积分,积分属于客户。然后 Admin 将 user_name 和 password_hash 作为属性,通过 Bcrypt 存储密码。一旦客户通过电话号码搜索自己,他们的积分就会出现。但是要添加积分,管理员必须使用密码(4 位代码)登录,然后才能访问添加积分。

我在如何仅通过密码而不是用户名和密码找到管理员时遇到了麻烦。

 class AdminsController < ApplicationController

 def new
   @admin = Admin.new
 end

 def create
   @Admin = Admin.new(admin_params)
   if @admin.save
     redirect_to root_path
   else
     flash[:error] = "incorrect data, please check form"
     render new_admin_path
   end
 end

 def login
   @customer = Customer.find(params[:id])

 # Need to get the input password
  params[:password]
 # Change the inputed password into a password hash
 # inputed_password_hash (NEED HELP HERE)

 # Compare the password hash with password hashes in the Admin model/database 
 # to see if it exists.
 # if true, send to add points page
 # if false, send back to customer page

   if Admin.find_by(password_hash: inputed_password_hash)
     redirect_to new_points_path
   else
     render customer_path 
   end
 end

   private

   def admin_params
     params.require(:admin).permit(:user_name, :password, :password_confirmation)
   end
 end
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