解决南汇北 计划计算

tangxu

2022-11-02 05f522e321a742f03bf1e3e26edaeb5147da42f4

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using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using SqlSugar;
 
namespace IStation.DAL
{
    /// <summary>
    /// 用户角色映射
    /// </summary>
    public class UserRoleMapping : BaseDAL<Entity.UserRoleMapping> 
    {
        /// <summary>
        /// 
        /// </summary>
        public override ConnectionConfig ConnectionConfig
        {
            get { return ConfigHelper.DefaultConnectionConfig; }
        }
 
        /// <summary>
        ///  通过 RoleID 获取 
        /// </summary>
        public List<Entity.UserRoleMapping> GetByRoleID(long RoleID)
        {
            using (var db = new SqlSugarClient(ConnectionConfig))
            {
                return db.Queryable<Entity.UserRoleMapping>()
                    .Where(x => x.RoleID == RoleID).ToList();
            }
        }
 
        /// <summary>
        ///  通过 RoleIds 获取 
        /// </summary>
        public List<Entity.UserRoleMapping> GetByRoleIds(List<long> RoleIds)
        {
            if (RoleIds == null || RoleIds.Count() < 1)
                return default;
            using (var db = new SqlSugarClient(ConnectionConfig))
            {
                return db.Queryable<Entity.UserRoleMapping>()
                    .Where(x => RoleIds.Contains(x.RoleID)).ToList();
            }
        }
 
        /// <summary>
        ///  通过 UserID 获取 
        /// </summary>
        public List<Entity.UserRoleMapping> GetByUserID(long UserID)
        {
            using (var db = new SqlSugarClient(ConnectionConfig))
            {
                return db.Queryable<Entity.UserRoleMapping>()
                    .Where(x => x.UserID == UserID).ToList();
            }
        }
 
        /// <summary>
        ///  通过 UserIds 获取 
        /// </summary>
        public List<Entity.UserRoleMapping> GetByUserIds(List<long> UserIds)
        {
            if (UserIds == null || UserIds.Count() < 1)
                return default;
            using (var db = new SqlSugarClient(ConnectionConfig))
            {
                return db.Queryable<Entity.UserRoleMapping>()
                    .Where(x => UserIds.Contains(x.UserID)).ToList();
            }
        }
 
        /// <summary>
        /// 通过 UserID 和 RoleID 获取 
        /// </summary>
        public Entity.UserRoleMapping GetByUserIDAndRoleID(long UserID, long RoleID)
        {
            using (var db = new SqlSugarClient(ConnectionConfig))
            {
                return db.Queryable<Entity.UserRoleMapping>()
                    .First(x => x.UserID == UserID&&x.RoleID==RoleID);
            }
        }
 
        /// <summary>
        /// 设置
        /// </summary>
        public bool Set(List<Entity.UserRoleSelected> list)
        {
            if (list == null || list.Count() < 1)
                return default;
            using (var db = new SqlSugarClient(ConnectionConfig))
            {
                try
                {
                    db.BeginTran();
                    foreach (var item in list)
                    {
                        var bol = db.Queryable<Entity.UserRoleMapping>()
                            .Where(x => x.UserID == item.UserID && x.RoleID == item.RoleID).Count() > 0;
                        if (bol)//已存在
                        {
                            if (!item.Selected)//未选择
                            {
                                var result = db.Deleteable<Entity.UserRoleMapping>()
                                    .Where(x => x.UserID == item.UserID && x.RoleID == item.RoleID).ExecuteCommandHasChange();
                                if (!result)
                                {
                                    db.RollbackTran();
                                    return false;
                                }
                            }
                        }
                        else//不存在
                        {
                            if (item.Selected)//选择
                            {
                                var entity = new Entity.UserRoleMapping();
                                entity.UserID = item.UserID;
                                entity.RoleID = item.RoleID;
                                var id = db.Insertable(entity).ExecuteReturnSnowflakeId();
                                if (id < 1)
                                {
                                    db.RollbackTran();
                                    return false;
                                }
                            }
                        }
                    }
                    db.CommitTran();
                    return true;
                }
                catch
                {
                    db.RollbackTran();
                    throw;
                }
            }
        }
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    }
}