HKCard/HKCardOUT/Logic/Service/HKCore.cs

using HKCardOUT.Logic.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HKCardOUT.Logic.Service
{
    public class HKCore
    {
        /// <summary>
        /// 刷卡消费
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public bool DeviceSale(SaleLog input)
        {
            var Old = DbContext.Context.Queryable<SaleLog>()
                  .Where(t => t.CardNo == input.CardNo).OrderByDescending(t => t.CreateTime).First();
            if (Old != null)
            {
                //10秒防止重复刷卡
                if (Old.CreateTime.Subtract(DateTime.Now).TotalSeconds > 10d)
                {
                    return DbContext.Context.Insertable(input).CallEntityMethod(t => t.Create()).ExecuteCommand() > 0;
                }
                return false;
            }
            else
                return DbContext.Context.Insertable(input).CallEntityMethod(t => t.Create()).ExecuteCommand() > 0;

        }
        /// <summary>
        /// 获取当天消费前100条展示
        /// </summary>
        /// <returns></returns>
        public List<SaleLog> PullDaySaleLog()
        {
            var Begin = DateTime.Parse(DateTime.Now.ToString("yyyy-MM-dd 00:00:00"));
            var End = DateTime.Parse(DateTime.Now.ToString("yyyy-MM-dd 23:59:59"));
            return DbContext.Context.Queryable<SaleLog>()
                   .Where(t => t.CreateTime >= Begin)
                   .Where(t => t.CreateTime < End)
                   .OrderByDescending(t => t.CreateTime).ToPageList(0, 100);
        }
    }
}