6098-5/Cowain.Preheat.BLL/BatteryRepeatService.cs

using Cowain.Preheat.BLL;
using Cowain.Preheat.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using Unity;
using JSON = Newtonsoft.Json.JsonConvert;

namespace Cowain.Injecting.BLL
{
    public class BatteryRepeatService : ServiceBase
    {

        public BatteryRepeatService(IUnityContainer unityContainer) : base(unityContainer)
        {

        }

        public List<TBatteryInfo> GetIncomingCell()
        {
            using (var Context = new PreheatEntities())
            {
                var cellList = Context.Set<TBatteryRepeat>().OrderBy(x => x.Id).ThenByDescending(x => x.ScanTime).Take(300).ToList();
                if (cellList == null)
                {
                    return null;
                }

                return JSON.DeserializeObject<List<TBatteryInfo>>(JSON.SerializeObject(cellList));
            }
        }

        public List<TBatteryInfo> QueryIncomingCell(DateTime startTime, DateTime endTime)
        {
            using (var Context = new PreheatEntities())
            {
                var cellList = Context.Set<TBatteryRepeat>().Where(x => x.ScanTime > startTime && x.ScanTime < endTime).OrderBy(x => x.Id).ThenByDescending(x => x.ScanTime).Take(1000).ToList();
                if (cellList == null)
                {
                    return null;
                }

                return JSON.DeserializeObject<List<TBatteryInfo>>(JSON.SerializeObject(cellList));
            }
        }

        public List<TBatteryInfo> QueryIncomingCellByCode(string code)
        {
            using (var Context = new PreheatEntities())
            {
                var cellList = Context.Set<TBatteryRepeat>().Where(x => x.BatteryCode.Contains(code)).OrderBy(x => x.Id).ThenByDescending(x => x.ScanTime).ToList();

                if (cellList == null)
                {
                    return null;
                }

                return JSON.DeserializeObject<List<TBatteryInfo>>(JSON.SerializeObject(cellList));
            }
        }

        public int Delete(TBatteryInfo t)
        {
            using (var Context = new PreheatEntities())
            {
                var repeat = Context.Set<TBatteryRepeat>().Where(x => x.Id == t.Id).FirstOrDefault();
                if (null == repeat)
                {
                    return 0;
                }

                Context.Set<TBatteryRepeat>().Attach(repeat);
                Context.Set<TBatteryRepeat>().Remove(repeat);
                return Context.SaveChanges();
            }
        }
    }
}