Cat.Business/Cat.Service/SystemManage/RoleService.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Threading.Tasks;
using Cat.Data.Repository;
using Cat.Entity.SystemManage;
using Cat.Enum.SystemManage;
using Cat.Model.Param.SystemManage;
using Cat.Util.Extension;
using Cat.Util.Model;
using Cat.Util;

namespace Cat.Service.SystemManage
{
    public class RoleService : RepositoryFactory
    {
        #region 获取数据
        public async Task<List<RoleEntity>> GetList(RoleListParam param)
        {
            var expression = ListFilter(param);
            var list = await this.BaseRepository().FindList(expression);
            return list.ToList();
        }

        public async Task<List<RoleEntity>> GetPageList(RoleListParam param, Pagination pagination)
        {
            var expression = ListFilter(param);
            var list = await this.BaseRepository().FindList(expression, pagination);
            return list.ToList();
        }

        public async Task<RoleEntity> GetEntity(long id)
        {
            return await this.BaseRepository().FindEntity<RoleEntity>(id);
        }

        public async Task<int> GetMaxSort()
        {
            object result = await this.BaseRepository().FindObject("SELECT MAX(RoleSort) FROM SysRole");
            int sort = result.ParseToInt();
            sort++;
            return sort;
        }

        public bool ExistRoleName(RoleEntity entity)
        {
            var expression = LinqExtensions.True<RoleEntity>();
            expression = expression.And(t => t.BaseIsDelete == 0);
            if (entity.Id.IsNullOrZero())
            {
                expression = expression.And(t => t.RoleName == entity.RoleName);
            }
            else
            {
                expression = expression.And(t => t.RoleName == entity.RoleName && t.Id != entity.Id);
            }
            return this.BaseRepository().IQueryable(expression).Count() > 0 ? true : false;
        }
        #endregion