/// <summary>
/// 执行命令并返回结果
/// </summary>
/// <param name="connection"></param>
/// <param name="commandInfo"></param>
public void ExecuteCommand(IConnection connection, AsyncBinaryCommandInfo commandInfo)
{
if (commandInfo.Buffer == null || commandInfo.Buffer.Length == 0)
{
Console.WriteLine("数据为空");
return;
}
var form = Container as MainForm;
string content = System.Text.Encoding.Default.GetString(commandInfo.Buffer);
UpdateFileModel file = Util.Json.ToObject <UpdateFileModel>(content);
if (file == null)
{
form.DisplayMsg(string.Format("请求更新文件出现错误,session Id:{0}", connection.ConnectionID));
}
form.DisplayMsg(string.Format("{0} 正在下载文件{1}", connection.ConnectionID, file.FileName));
FileStream fs = new FileStream(file.FilePath, FileMode.Open);
byte[] fileblock = new byte[4096];
while (fs.Read(fileblock, 0, 4096) != 0)
{
form.DisplayMsg(string.Format("正在下载文件{0}", file.FileName));
commandInfo.Reply(connection, fileblock);
}
}
public ActionResult UpdateFile(int id)
{
//get details of file to be updated
var file = db.Document_Repository.Where(f => f.Document_Seq.Equals(id)).FirstOrDefault();
//create the viewmodel to be passed
UpdateFileModel a = new UpdateFileModel
{
Document_Name = file.Document_Name,
Document_Type_ID = file.Document_Type_ID,
Category_ID = file.Category_ID,
Description = file.Description,
Document_Seq = file.Document_Seq,
};
//populate select lists for drop downs
ViewBag.Category_ID = new SelectList(db.Document_Category, "Category_ID", "Category_Name");
ViewBag.Document_Type_ID = new SelectList(db.Document_Type, "Document_Type_ID", "Document_Type_Name");
return(View(a));
}
public ActionResult UpdateFile(UpdateFileModel model)
{
if (ModelState.IsValid)
{
//get instance of the file to be updated
var updatedfile = db.Document_Repository.Where(f => f.Document_Seq.Equals(model.Document_Seq)).FirstOrDefault();
//update the entries details
updatedfile.Document_Name = model.Document_Name;
updatedfile.Description = model.Description;
updatedfile.Category_ID = model.Category_ID;
updatedfile.Document_Type_ID = model.Document_Type_ID;
//check if a new file has been uploaded
if (model.uploadFile != null)
{
//get uploaded file filename
var filename = Path.GetFileName(model.uploadFile.FileName);
//get uploaded file path
var path = Path.Combine(Server.MapPath("~/App_Data/Uploads"), filename);
//determine the uploaded file extension
var extension = Path.GetExtension(model.uploadFile.FileName);
//check if the file uploaded is a valid extension
if (System.IO.File.Exists(path))
{
TempData["Message"] = "Uploaded file already exists";
TempData["classStyle"] = "danger";
model.uploadFile = null;
ViewBag.Category_ID = new SelectList(db.Document_Category, "Category_ID", "Category_Name");
ViewBag.Document_Type_ID = new SelectList(db.Document_Type, "Document_Type_ID", "Document_Type_Name");
return(View(model));
}
else
{
System.IO.File.Delete(updatedfile.Directory_Path);
model.uploadFile.SaveAs(path);
updatedfile.Directory_Path = path;
}
}
db.Entry(updatedfile).State = EntityState.Modified;
db.SaveChanges();
var sessionLog = db.Person_Session_Log.Where(p => p.Person_ID == User.Identity.Name).OrderByDescending(p => p.Login_DateTime).FirstOrDefault();
Document_Access_Log ac = new Document_Access_Log();
ac.Access_DateTime = DateTime.Now;
ac.Document_Seq = updatedfile.Document_Seq;
ac.Session_ID = sessionLog.Session_ID;
db.Document_Access_Log.Add(ac);
db.SaveChanges();
//record action
global.addAudit("Repository", "Repository: Update File", "Update", User.Identity.Name);
TempData["Message"] = "File successfuly updated";
TempData["classStyle"] = "success";
return(RedirectToAction("ViewFile"));
}
else
{
ViewBag.Category_ID = new SelectList(db.Document_Category, "Category_ID", "Category_Name");
ViewBag.Document_Type_ID = new SelectList(db.Document_Type, "Document_Type_ID", "Document_Type_Name");
return(View(model));
}
}
