CommLei.BLL/UserGroup.cs

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using System;
using System.Data;
using System.Collections.Generic;

using CommLei.Lib;
using CommLei.Model;
using CommLei.DALFactory;
using CommLei.IDAL;

namespace CommLei.BLL
{
    public class UserGroup
    {
        private readonly IUserGroup dal = DataAccess.CreateUserGroup();

        public UserGroup()
        { }

        #region 用户分组
        /// <summary>
        /// 判断用户分组是否存在
        /// </summary>
        /// <param name="Name">用户分组名称</param>
        /// <returns></returns>
        public bool UserGroupExists(string Name)
        {
            return dal.UserGroupExists(Name);
        }

        /// <summary>
        /// 增加一个用户分组
        /// </summary>
        /// <param name="model">用户分组实体类</param>
        /// <returns></returns>
        public int CreateUserGroup(CommLei.Model.UserGroup model)
        {
            if (!UserGroupExists(model.UG_Name))
                return dal.CreateUserGroup(model);
            else
                return 2;
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        /// <param name="model">用户分组实体类</param>
        /// <returns></returns>
        public bool UpdateUserGroup(CommLei.Model.UserGroup model)
        {
            return dal.UpdateUserGroup(model);
        }

        /// <summary>
        /// 删除用户分组
        /// </summary>
        /// <param name="ID">用户分组ID</param>
        /// <returns></returns>
        public int DeleteUserGroup(int id)
        {
            return dal.DeleteUserGroup(id);