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：2020.04.07
	/// 描 述：我的常用移动应用
	/// </summary>
	public class MyFunctionService : ServiceBase
	{
		#region 构造函数和属性

		private readonly string fieldSql;

		/// <summary>
		///
		/// </summary>
		public MyFunctionService()
		{
			fieldSql = @"
                t.F_Id,
                t.F_UserId,
                t.F_FunctionId,
                t.F_Sort
            ";
		}

		#endregion 构造函数和属性

		#region 获取数据

		/// <summary>
		/// 获取列表数据
		/// </summary>
		/// <param name="userId">用户主键ID</param>
		/// <returns></returns>
		public Task<IEnumerable<MyFunctionEntity>> GetList(string userId)
		{
			var strSql = new StringBuilder();
			strSql.Append("SELECT ");
			strSql.Append(fieldSql);
			strSql.Append(" FROM LR_App_MyFunction t where t.F_UserId = @userId Order by  t.F_Sort ");
			return this.BaseRepository().FindList<MyFunctionEntity>(strSql.ToString(), new { userId });
		}

		#endregion 获取数据

		#region 提交数据

		/// <summary>
		/// 保存数据
		/// </summary>
		/// <param name="userId">用户id</param>
		/// <param name="strFunctionId">功能id</param>
		/// <returns></returns>
		public async Task SaveEntity(string userId, string strFunctionId)
		{
			var db = this.BaseRepository().BeginTrans();
			try
			{
				string[] functionIds = strFunctionId.Split(',');
				await db.DeleteAny<MyFunctionEntity>(new { F_UserId = userId });
				int num = 0;
				foreach (var functionId in functionIds)
				{
					MyFunctionEntity entity = new MyFunctionEntity
					{
						F_Id = Guid.NewGuid().ToString(),
						F_UserId = userId,
						F_FunctionId = functionId,
						F_Sort = num
					};
					await db.Insert(entity);
					num++;
				}
				db.Commit();
			}
			catch (Exception)
			{
				db.Rollback();
				throw;
			}
		}

		#endregion 提交数据
	}
}