RFIDXIaojian/HighWayIot.Repository/service/Impl/BaseContentServiceImpl.cs

using HighWayIot.Log4net;
using HighWayIot.Repository.domain;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;

namespace HighWayIot.Repository.service.Impl
{
    public class BaseContentServiceImpl : IContentService
    {
        private static readonly Lazy<BaseContentServiceImpl> lazy = new Lazy<BaseContentServiceImpl>(() => new BaseContentServiceImpl());

        public static BaseContentServiceImpl Instance => lazy.Value;

        private LogHelper log = LogHelper.Instance;
        Repository<RFIDContent> _repository => new Repository<RFIDContent>("sqlite");

        public List<RFIDContent> GetContentInfos(string lineNo)
        {
            try
            {
                List<RFIDContent> deviceInfo = _repository.GetList(x => x.LineNo == lineNo);
                return deviceInfo;
            }catch (Exception ex)
            {
                log.Error("RFID内容信息获取异常", ex);
                return null;
            }
        }

        public List<RFIDContent> GetContentInfos()
        {
            try
            {
                List<RFIDContent> deviceInfo = _repository.GetList();
                return deviceInfo;
            }
            catch (Exception ex)
            {
                log.Error("RFID内容信息获取异常", ex);
                return null;
            }
        }

        public List<RFIDContent> Get200Infos(string lineNo)
        {
            try
            {
                DateTime UsefulTime = DateTime.Now - TimeSpan.FromDays(1);
                List<RFIDContent> deviceInfo = _repository.GetList(x => x.LineNo == lineNo && x.LogTime >= UsefulTime).OrderByDescending(x => x.ID).Take(200).ToList();
                return deviceInfo;
            }
            catch (Exception ex)
            {
                log.Error("RFID内容信息获取异常", ex);
                return null;
            }
        }

        public List<RFIDContent> Get200Infos()
        {
            try
            {
                DateTime UsefulTime = DateTime.Now - TimeSpan.FromDays(1);
                List<RFIDContent> deviceInfo = _repository.GetList(x => x.LogTime >= UsefulTime).OrderByDescending(x => x.ID).Take(200).ToList();
                return deviceInfo;
            }
            catch (Exception ex)
            {
                log.Error("RFID内容信息获取异常", ex);
                return null;
            }
        }

        public void AddContentInfo(RFIDContent content)
        {
            try
            {
                _repository.Insert(content);
            }
            catch (Exception ex)
            {
                log.Error("RFID内容信息插入异常", ex);
            }
        }

        public bool DelBeforeMonthContent()
        {
            try
            {
                DateTime time = DateTime.Now - TimeSpan.FromDays(90);
                _repository.AsDeleteable().Where(x => x.LogTime <= time).ExecuteCommand();
                return true;
            }
            catch(Exception ex)
            {
                log.Error("RFID内容信息删除异常", ex);
                return false;
            }
        }

    }
}