Core/SM/Bll/HotelBll.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Core.SM.Dal;
using Common.Provider;
using Common;
using Core.SM.Model;

namespace Core.SM.Bll
{
    public class HotelBll
    {
        public static HotelBll Instance
        {
            get { return SingletonProvider<HotelBll>.Instance; }
        }

        /// <summary>
        /// 列出館別treeToJson
        /// </summary>
        /// <returns></returns>

        public string HotelJson()
        {
            return JSONhelper.ToJson(HotelDal.Instance.GetAll().ToList().OrderBy(n => n.Sortnum)
                                    .Select(n => new
                                    {
                                        id = n.KeyId,
                                        text = n.HotelName + " [" + n.HotelCode + "]",
                                        iconCls = "icon-home1",
                                        attributes = new { n.Sortnum, n.Remark, n.HotelCode }
                                    })
                                 );
        }


        /// <summary>
        /// 判斷館別是否存在
        /// </summary>
        /// <param name="hotelcode">館別代號</param>
        /// <param name="hotelid">館別KeyId</param>
        /// <returns></returns>

        public static bool HasHotelBy(string hotelcode, int hotelid = 0)
        {
            var Hotels = HotelDal.Instance.GetAll().ToList();
            return Hotels.Any(n => n.HotelCode == hotelcode && n.KeyId != hotelid);
        }

    /// <summary>
    /// 取得館別代號
    /// </summary>
    /// <param name="hotelId">館別KeyId</param>
    /// <returns></returns>
     public static string GetHotelCode(int hotelId)
    {
        var hotelList = HotelDal.Instance.GetHotelBy(hotelId);