From 2719e6024861c1b0dbbbad509c9a8733b097bf93 Mon Sep 17 00:00:00 2001
From: jasder <jasduaner@gmail.com>
Date: Wed, 27 Oct 2021 15:15:06 +0800
Subject: [PATCH] =?UTF-8?q?ADD=20=E9=82=AE=E7=AE=B1=E3=80=81=E7=99=BB?=
 =?UTF-8?q?=E5=BD=95=E5=90=8D=E3=80=81=E6=89=8B=E6=9C=BA=E5=8F=B7=E9=AA=8C?=
 =?UTF-8?q?=E8=AF=81api?=
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---
 app/controllers/accounts_controller.rb   | 14 ++++++-
 app/forms/register/check_columns_form.rb | 49 ++++++++++++++++++++++++
 app/libs/custom_regexp.rb                |  1 +
 config/routes.rb                         |  1 +
 4 files changed, 64 insertions(+), 1 deletion(-)
 create mode 100644 app/forms/register/check_columns_form.rb

diff --git a/app/controllers/accounts_controller.rb b/app/controllers/accounts_controller.rb
index 740a68ea7..dcffea5ca 100644
--- a/app/controllers/accounts_controller.rb
+++ b/app/controllers/accounts_controller.rb
@@ -323,7 +323,15 @@ class AccountsController < ApplicationController
   def phone_mail_type value
     value =~ /^1\d{10}$/ ? 1 : 0
   end
-
+  
+  # check user's login or email or phone is used
+  # params[:value]  手机号或者邮箱号或者登录名
+  # params[:type] 为事件类型 1：登录名(login) 2：email(邮箱) 3：phone(手机号)
+  def check
+    Register::CheckColumnsForm.new(check_params).validate!
+    render_ok
+  end
+  
   private
 
   # type 事件类型 1：用户注册 2：忘记密码 3: 绑定手机 4: 绑定邮箱, 5: 验证手机号是否有效 # 如果有新的继续后面加
@@ -369,4 +377,8 @@ class AccountsController < ApplicationController
   def account_params 
     params.require(:account).permit(:login, :password)
   end
+
+  def check_params
+    params.permit(:type, :value)
+  end
 end
diff --git a/app/forms/register/check_columns_form.rb b/app/forms/register/check_columns_form.rb
new file mode 100644
index 000000000..24283b810
--- /dev/null
+++ b/app/forms/register/check_columns_form.rb
@@ -0,0 +1,49 @@
+module Register
+  class CheckColumnsForm < BaseForm
+    attr_accessor :type, :value
+
+    validates :type, presence: true, numericality: true
+    validates :value, presence: true
+    validate :check!
+    
+    def check!
+      # params[:type] 为事件类型 1：登录名(login) 2：email(邮箱) 3：phone(手机号)
+      case strip_type
+      when 1 then check_login
+      when 2 then check_mail
+      when 3 then check_phone
+      else raise("type值无效")
+      end
+    end
+
+    private
+    def check_login
+      raise("登录名格式有误") unless strip_value =~ CustomRegexp::LOGIN
+
+      login_exist = Owner.exists?(login: strip_value) || ReversedKeyword.exists?(identifier: strip_value)
+      raise('登录名已被使用') if login_exist
+    end
+
+    def check_mail
+      raise("邮件格式有误") unless strip_value =~ CustomRegexp::EMAIL
+  
+      mail_exist = Owner.exists?(mail: strip_value)
+      raise('邮箱已被使用') if mail_exist
+    end
+    
+    def check_phone
+      raise("手机号格式有误") unless strip_value =~ CustomRegexp::PHONE
+
+      phone_exist = Owner.exists?(phone: strip_value)
+      raise('手机号已被使用') if phone_exist
+    end
+
+    def strip_value
+      value&.strip
+    end
+
+    def strip_type
+      type&.strip.to_i
+    end
+  end
+end
diff --git a/app/libs/custom_regexp.rb b/app/libs/custom_regexp.rb
index c7b5e7a1a..bbc061250 100644
--- a/app/libs/custom_regexp.rb
+++ b/app/libs/custom_regexp.rb
@@ -1,6 +1,7 @@
 module CustomRegexp
   PHONE = /1\d{10}/
   EMAIL = /\A[a-zA-Z0-9]+([._\\]*[a-zA-Z0-9])*@([a-z0-9]+[-a-z0-9]*[a-z0-9]+.){1,63}[a-z0-9]+\z/
+  LOGIN = /^(?!_)(?!.*?_$)[a-zA-Z0-9_-]+$/ #只含有数字、字母、下划线不能以下划线开头和结尾
   LASTNAME = /\A[a-zA-Z0-9\u4e00-\u9fa5]+\z/
   NICKNAME = /\A[\u4e00-\u9fa5_a-zA-Z0-9]+\z/
   PASSWORD = /\A[a-z_A-Z0-9\-\.!@#\$%\\\^&\*\)\(\+=\{\}\[\]\/",'_<>~\·`\?:;|]{8,16}\z/
diff --git a/config/routes.rb b/config/routes.rb
index 35fea39c7..20ce1e0a6 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -197,6 +197,7 @@ Rails.application.routes.draw do
         post :remote_login
         post :remote_password
         post :change_password
+        post :check
       end
     end