using learun.iapplication;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;

namespace learun.application
{
	/// <summary>
	/// 版 本 EasyCode EC管理后台
	/// Copyright (c) 2019-present EC管理有限公司
	/// 创建人：tobin
	/// 日 期：2019.09.25
	/// 描 述：用户关联对象
	/// </summary>
	public class UserRelationService : ServiceBase
	{
		#region 构造函数和属性

		private readonly string fieldSql;

		/// <summary>
		///
		/// </summary>
		public UserRelationService()
		{
			fieldSql = @"
                t.F_UserRelationId,
                t.F_UserId,
                t.F_Category,
                t.F_ObjectId,
                t.F_CreateDate,
                t.F_CreateUserId,
                t.F_CreateUserName
            ";
		}

		#endregion 构造函数和属性

		#region 获取数据

		/// <summary>
		/// 获取对象主键列表信息
		/// </summary>
		/// <param name="userId">用户主键</param>
		/// <param name="category">分类:1-角色2-岗位</param>
		/// <returns></returns>
		public Task<IEnumerable<UserRelationEntity>> GetObjectIdList(string userId, int category)
		{
			var strSql = new StringBuilder();
			strSql.Append(" SELECT ");
			strSql.Append(fieldSql);
			strSql.Append(" FROM LR_Base_UserRelation t WHERE t.F_UserId = @userId AND t.F_Category =  @category ");
			return this.BaseRepository().FindList<UserRelationEntity>(strSql.ToString(), new { userId, category });
		}

		/// <summary>
		/// 获取用户主键列表信息
		/// </summary>
		/// <param name="objectId">关联角色或岗位组件</param>
		/// <returns></returns>
		public Task<IEnumerable<UserRelationEntity>> GetUserIdList(string objectId)
		{
			var strSql = new StringBuilder();
			strSql.Append(" SELECT ");
			strSql.Append(fieldSql);
			strSql.Append(" FROM LR_Base_UserRelation t WHERE t.F_ObjectId = @objectId");
			return this.BaseRepository().FindList<UserRelationEntity>(strSql.ToString(), new { objectId });
		}

		/// <summary>
		/// 获取用户主键列表信息
		/// </summary>
		/// <param name="objectIdList">关联角色或岗位组件</param>
		/// <returns></returns>
		public Task<IEnumerable<UserRelationEntity>> GetUserIdList(IEnumerable<string> objectIdList)
		{
			var strSql = new StringBuilder();
			strSql.Append(" SELECT ");
			strSql.Append(fieldSql);
			strSql.Append(" FROM LR_Base_UserRelation t where 1=1 ");

			List<string> objectIdList2 = (List<string>)objectIdList;
			if (objectIdList2.Count > 0)
			{
				strSql.Append(" AND (  ");
				int num = 0;
				foreach (var item in objectIdList)
				{
					if (num > 0)
					{
						strSql.Append(" OR ");
					}
					strSql.Append(" F_ObjectId = '" + item + "'");
					num++;
				}
				strSql.Append(" )  ");
			}

			return this.BaseRepository().FindList<UserRelationEntity>(strSql.ToString());
		}

		#endregion 获取数据

		#region 提交数据

		/// <summary>
		/// 保存用户对应对象数据
		/// </summary>
		/// <param name="objectId">人员和角色主键</param>
		/// <param name="userRelationEntityList">列表</param>
		public async Task SaveEntityList(string objectId, IEnumerable<UserRelationEntity> userRelationEntityList)
		{
			var db = this.BaseRepository().BeginTrans();
			try
			{
				await db.DeleteAny<UserRelationEntity>(new { F_ObjectId = objectId });
				foreach (UserRelationEntity userRelationEntity in userRelationEntityList)
				{
					await db.Insert(userRelationEntity);
				}
				db.Commit();
			}
			catch (Exception)
			{
				db.Rollback();
				throw;
			}
		}

		#endregion 提交数据
	}
}