SGGL_SHJ/SGGL/BLL/HJGL/DataImport/DataImportService.cs

using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Linq;
namespace BLL
{
    public static class HJGL_DataImportService
    {
        public static void AddHJGL_DataImport(Model.HJGL_DataImport newtable)
        {
            Model.HJGL_DataImport table = new Model.HJGL_DataImport();
            table.DataImportId = newtable.DataImportId;
            table.FileId = newtable.FileId;
            table.Version = newtable.Version;
            table.Remark = newtable.Remark;
            table.CreateMan = newtable.CreateMan;
            table.CreateDate = newtable.CreateDate;
            table.ProjectId = newtable.ProjectId;
            table.UnitWorkId = newtable.UnitWorkId;
            table.DesignProfessionalId = newtable.DesignProfessionalId;
            table.ImportType = newtable.ImportType;
            table.FileName = newtable.FileName;
            table.FilePath = newtable.FilePath;
            table.FileType = newtable.FileType;
            table.FileSize = newtable.FileSize;
            Funs.DB.HJGL_DataImport.InsertOnSubmit(table);
            Funs.DB.SubmitChanges();
        }

        public static void DeleteHJGL_DataImportById(string DataImportId)
        {
            Model.HJGL_DataImport table = Funs.DB.HJGL_DataImport.FirstOrDefault(e => e.DataImportId == DataImportId);
            if (table != null)
            {
                Funs.DB.HJGL_DataImport.DeleteOnSubmit(table);
                Funs.DB.SubmitChanges();
            }
        }
        /// <summary>
        /// 根据文件名称返回最新文件
        /// </summary>
        /// <param name="FileName"></param>
        /// <param name="project"></param>
        /// <returns></returns>
        public static Model.HJGL_DataImport GetLatestFileByFileName(string FileName, string project)
        {
            var q = (from x in Funs.DB.HJGL_DataImport
                     where x.FileName == FileName && x.ProjectId == project
                     select x
                     ).OrderByDescending(x => x.Version).FirstOrDefault();
            return q;
        }
        public static List<decimal?> GetListVersionByUnitWorkId(string UnitWorkId)
        {
            //decimal a = 0.1M;
            decimal MaxVersion = 0.9M;
            var q = (from x in Funs.DB.HJGL_DataImport where x.UnitWorkId == UnitWorkId select x.Version).Distinct().ToList();
            if (q != null && q.Count() > 0)
            {
                MaxVersion = (decimal)q.Max();
            }
            var newVersion = MaxVersion + 0.1m;
            q.Add(newVersion);
            return q;

        }
        /// <summary>
        /// 下载文件
        /// </summary>
        /// <param name="filePah"></param>
        /// <param name="fileName"></param>
        public static void DownFile(string filePah, string fileName)
        {
            try
            {
                string url = Funs.RootPath + filePah.Replace('/', '\\');
                FileInfo info = new FileInfo(url);
                long fileSize = info.Length;
                System.Web.HttpContext.Current.Response.BufferOutput = true;
                System.Web.HttpContext.Current.Response.Clear();
                System.Web.HttpContext.Current.Response.ContentType = "application/x-zip-compressed";
                System.Web.HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
                System.Web.HttpContext.Current.Response.AddHeader("Content-Length", fileSize.ToString());
                System.Web.HttpContext.Current.Response.TransmitFile(url, 0, fileSize);
                System.Web.HttpContext.Current.Response.Flush();
                System.Web.HttpContext.Current.Response.Close();
            }
            catch (System.Exception ex)
            {
                throw;
            };

        }
        public static void UploadFileToOa()
        {
            
        }
        /// <summary>
        /// 获取当前文件新的版本号
        /// </summary>
        /// <param name="UnitWorkId"></param>
        /// <param name="filename">文件名称</param>
        /// <returns></returns>
        public static decimal GetNewVersionByUnitWorkId(string UnitWorkId, string filename)
        {
            decimal a = 0.1M;
            decimal MaxVersion = 0.9M;
            var q = (from x in Funs.DB.HJGL_DataImport where x.UnitWorkId == UnitWorkId & x.FileName == filename select x.Version).Distinct().ToList();
            if (q != null && q.Count() > 0)
            {
                MaxVersion = (decimal)q.Max();
            }
            var newVersion = MaxVersion + 0.1m;
            return newVersion;
        }
        public static void InitVersionDownList(FineUIPro.DropDownList dropName, string UnitWorkId)
        {

            dropName.DataSource = GetListVersionByUnitWorkId(UnitWorkId);
            dropName.DataBind();
        }
        /// <summary>
        /// 根据主键获取对象
        /// </summary>
        /// <param name="DataImportId"></param>
        /// <returns></returns>
        public static Model.HJGL_DataImport GetHJGL_DataImportById(string DataImportId)
        {
            return Funs.DB.HJGL_DataImport.FirstOrDefault(e => e.DataImportId == DataImportId);
        }
        /// <summary>
        /// 更新
        /// </summary>
        /// <param name="newtable"></param>
        public static void UpdateHJGL_DataImport(Model.HJGL_DataImport newtable)
        {
            Model.HJGL_DataImport table = Funs.DB.HJGL_DataImport.FirstOrDefault(e => e.DataImportId == newtable.DataImportId);

            if (table != null)
            {
                table.DataImportId = newtable.DataImportId;
                table.FileId = newtable.FileId;
                table.Version = newtable.Version;
                table.Remark = newtable.Remark;
                table.CreateMan = newtable.CreateMan;
                table.CreateDate = newtable.CreateDate;
                table.ProjectId = newtable.ProjectId;
                table.UnitWorkId = newtable.UnitWorkId;
                table.DesignProfessionalId = newtable.DesignProfessionalId;
                table.ImportType = newtable.ImportType;
                table.FileName = newtable.FileName;
                table.FilePath = newtable.FilePath;
                table.FileType = newtable.FileType;
                table.FileSize = newtable.FileSize;
                Funs.DB.SubmitChanges();
            }
        }
    }
}