everlight.eap/backend/DllEapDal/ShareFileDal.cs

using Cksoft.Data;
using Cksoft.Unity;
using DllEapEntity;
using System;
using System.Collections.Generic;
using System.Linq;
using DllEapEntity.Dtos;
using DllHsms;

namespace DllEapDal
{
    public class ShareFileDal
    {
        private IDatabase CurrDb = null;
        public ShareFileDal(IDatabase db)
        {
            CurrDb = db;
        }
        public ShareFile IShareFile(byte[] filedatas,ref string errorinfo)
        {
            try
            {
                if(filedatas==null)
                {
                    filedatas = new byte[10];
                }
                int result = 0;
                ShareFile entity = new ShareFile();
                entity.FileLen = filedatas.Length;
                result = CurrDb.InsertFor<ShareFile>(entity, "");
                if(result<0)
                {
                    errorinfo = "插入记录发生未知错误。";
                    return null;
                }
                object objid = CurrDb.FindObject("select @@IDENTITY");
                if (objid.ToString() == "")
                {
                    return null;
                }
                int id = int.Parse(objid.ToString());
                string filedir = AppConfigurtaionServices.Configuration["ShareFileDir"];
                entity = CurrDb.FindEntityFor<ShareFile>(id);
                entity.FilePath = $"{filedir}\\{id}";
                CurrDb.UpdateFor<ShareFile>(entity, "");
                //写入文件
                result = UnityHelper.WriteFile(filedir, id.ToString(), filedatas, ref errorinfo);
                if (result <= 0)
                    return null;
                return entity;
            }
            catch (Exception e)
            {
                errorinfo = e.Message;
                return null;
            }
        }
        public ShareFile IShareFile(OrderBlock sendentity, ref string errorinfo)
        {
            try
            {
                List<OrderData> datas = sendentity.Datalists.Where(t => t.ParentID == 0).OrderBy(t => t.FNum).ToList();
                int parentid = datas[0].ID;//获取L的ID值
                datas = sendentity.Datalists.Where(t => t.ParentID == parentid).OrderBy(t => t.FNum).ToList();
                string programname = datas[0].FContent;
                byte[] filedatas = datas[1].OrgDatas;
                datas[1].OrgDatas = null;//清空原始数据
                ShareFile entity = IShareFile(filedatas, ref errorinfo);
                if (entity == null)
                    return null;
                datas[1].FContent = entity.FilePath;
                return entity;
            }
            catch (Exception e)
            {
                errorinfo = e.Message;
                return null;
            }
        }

        /// <summary>
        /// 根据文件路径，将文件复制到共享目录
        /// </summary>
        /// <param name="filepath"></param>
        /// <param name="errorinfo"></param>
        /// <returns></returns>
        public ShareFile MadeShareFile(string filepath, ref string errorinfo)
        {
            try
            {
                byte[] filedatas = UnityHelper.ReadFile(filepath, ref errorinfo);
                if (filedatas == null)
                    return null;
                ShareFile entity = IShareFile(filedatas, ref errorinfo);
                if (entity == null)
                    return null;
                return entity;
            }
            catch (Exception e)
            {
                errorinfo = e.Message;
                return null;
            }
        }

        public ShareFile MadeShareFileForDad3350(string filepath,string orgprogram, ref string errorinfo)
        {
            try
            {
                byte[] filedatas = UnityHelper.ReadFile(filepath, ref errorinfo);
                if (filedatas == null)
                    return null;
                //转换程序名称
                filedatas = DiodesProgramFileHelper.ReplaceProgramName(filedatas, orgprogram, ref errorinfo);
                if (filedatas == null)
                    return null;
                ShareFile entity = IShareFile(filedatas, ref errorinfo);
                if (entity == null)
                    return null;
                return entity;
            }
            catch (Exception e)
            {
                errorinfo = e.Message;
                return null;
            }
        }
    }
}