public virtual bool CloseCreateFile()
{
bool result = false;
UserInfo user = SessionUtils.UserInfo;
if (user != null && user.File.OpenType == FileOpenType.Write)
{
try
{
TempFileDto tempDto = new TempFileDto()
{
Directory = user.File.Directory,
Name = user.File.Name,
Length = user.File.Length,
CreationTime = user.File.CreationTime,
LastWriteTime = user.File.LastWriteTime,
TempIndex = user.File.Position,
TempName = user.File.TempName
};
var tempFileRepository = this.GetRepository <ITempFileRepository>();
tempFileRepository.AddOrUpdate(tempDto);
string log = string.Format("关闭上传文件, Directory: {0}, Name: {1}, Length: {2}, Position: {3}, CreationTime: {4:yyyy-MM-dd HH:mm:ss}, LastWriteTime: {5:yyyy-MM-dd HH:mm:ss}", user.File.Directory, user.File.Name, user.File.Length, user.File.Position, user.File.CreationTime, user.File.LastWriteTime);
OptionLogService.Instance.Add(OptionLogType.CloseCreateFile, log);
result = true;
}
catch { }
user.File.Dispose();
}
return(result);
}
public virtual TempFileDto Get(string directory, string name)
{
TempFileDto vm = null;
if (!string.IsNullOrEmpty(name))
{
directory = Utils.FormatDirectory(directory);
name = Utils.FormatName(name);
using (var db = this.CreateDbContext())
{
var query = from q in db.TempFile
where q.Directory == directory && q.Name == name
select new TempFileDto
{
Id = q.Id,
Directory = q.Directory,
Name = q.Name,
Length = q.Length,
CreationTime = q.CreationTime,
LastWriteTime = q.LastWriteTime,
TempIndex = q.TempIndex,
TempName = q.TempName,
UpdateTime = q.UpdateTime
};
vm = query.FirstOrDefault();
}
}
return(vm);
}
public virtual int AddOrUpdate(TempFileDto vm)
{
int count = 0;
if (vm != null && !string.IsNullOrEmpty(vm.Name))
{
vm.Directory = Utils.FormatDirectory(vm.Directory);
vm.Name = Utils.FormatName(vm.Name);
using (var db = this.CreateDbContext())
{
db.Configuration.AutoDetectChangesEnabled = true;
using (db.BeginTransaction(System.Data.IsolationLevel.Serializable))
{
var m = db.TempFile.Where(q => q.Directory == vm.Directory && q.Name == vm.Name).FirstOrDefault();
if (m == null)
{
m = new TempFile();
}
m.Directory = vm.Directory;
m.Name = vm.Name;
m.Length = vm.Length;
m.CreationTime = vm.CreationTime;
m.LastWriteTime = vm.LastWriteTime;
m.TempIndex = vm.TempIndex;
m.TempName = vm.TempName;
m.UpdateTime = DateTime.Now;
if (m.Id == 0)
{
db.TempFile.Add(m);
}
count += db.SaveChanges();
db.Commit();
vm.Id = m.Id;
vm.UpdateTime = m.UpdateTime;
}
}
}
return(count);
}
public virtual bool CreateFile(CreateFileParamDto vm, out FileDataParamDto fileDataParam)
{
bool result = false;
fileDataParam = null;
UserInfo user = SessionUtils.UserInfo;
if (user.File.OpenType == FileOpenType.None && !string.IsNullOrEmpty(vm.Name) &&
vm.CreationTime != DateTime.MinValue && vm.LastWriteTime != DateTime.MinValue)
{
DateTime createtime = vm.CreationTime;
DateTime lasttime = vm.LastWriteTime;
if (ConfigUtils.DatabaseType == DatabaseType.Oracle)
{
createtime = DateTime.Parse(vm.CreationTime.ToString("yyyy-MM-dd HH:mm:ss"));
lasttime = DateTime.Parse(vm.LastWriteTime.ToString("yyyy-MM-dd HH:mm:ss"));
}
string tempFullName = null;
var repository = this.GetRepository <ITempFileRepository>();
var tempDto = repository.Get(vm.Directory, vm.Name);
if (tempDto == null || tempDto.Length == 0 || tempDto.Length != vm.Length ||
tempDto.CreationTime != createtime || tempDto.LastWriteTime != lasttime ||
!File.Exists(Utils.Combine(ConfigUtils.TempDirectory, tempDto.TempName)))
{
if (tempDto != null)
{
repository.Delete(tempDto.Id);
tempFullName = Utils.Combine(ConfigUtils.TempDirectory, tempDto.TempName);
if (File.Exists(tempFullName))
{
try { File.Delete(tempFullName); }
catch { }
}
}
tempDto = new TempFileDto()
{
TempIndex = 0,
TempName = Guid.NewGuid().ToString("n") + ".t"
};
}
FileStream fs = null;
tempFullName = Utils.Combine(ConfigUtils.TempDirectory, tempDto.TempName);
try
{
if (File.Exists(tempFullName))
{
fs = File.OpenWrite(tempFullName);
if (tempDto.TempIndex > 0)
{
fs.Seek(tempDto.TempIndex, SeekOrigin.Begin);
}
}
else
{
if (!Directory.Exists(ConfigUtils.TempDirectory))
{
Directory.CreateDirectory(ConfigUtils.TempDirectory);
}
fs = File.Create(tempFullName);
if (vm.Length > 0)
{
fs.SetLength(vm.Length);
}
}
//FileInfoRepository.Instance.Delete(vm.Directory, vm.Name, (int)FileInfoType.File);
//string fullName = PathUtils.Combine(ConfigUtils.FileRootPath, user.File.Directory, user.File.Name);
//if (File.Exists(fullName)) File.Delete(fullName);
user.File.Directory = vm.Directory;
user.File.Name = vm.Name;
user.File.Length = vm.Length;
user.File.CreationTime = vm.CreationTime;
user.File.LastWriteTime = vm.LastWriteTime;
user.File.Position = fs.Position;
user.File.TempName = tempDto.TempName;
user.File.Stream = fs;
user.File.OpenType = FileOpenType.Write;
fileDataParam = new FileDataParamDto()
{
Index = user.File.Position,
Size = ConfigUtils.MAX_FILE_DATA_SIZE
};
result = true;
string log = string.Format("创建上传文件, Directory: {0}, Name: {1}, Length: {2}, Position: {3}, CreationTime: {4:yyyy-MM-dd HH:mm:ss}, LastWriteTime: {5:yyyy-MM-dd HH:mm:ss}", user.File.Directory, user.File.Name, user.File.Length, user.File.Position, user.File.CreationTime, user.File.LastWriteTime);
new OptionLogService().Add(OptionLogType.CreateFile, log);
}
catch (Exception ex)
{
try
{
if (fs != null)
{
fs.Close();
}
if (tempDto.Id == 0)
{
File.Delete(tempFullName);
}
}
catch { }
throw ex;
}
}
return(result);
}
