public CheckResult SaveFile(FileBlobModel model)
{
if (!model.IsChanged)
{
return(new CheckResult(model));
}
using (DSModel db = DB.GetContext())
{
var check = FileBlobValidator.ValidateSave(db, model);
if (check.Failed)
{
return(check);
}
KeyBinder key = new KeyBinder();
try
{
FileBlobRepository.SaveBlob(db, key, model);
db.SaveChanges();
key.BindKeys();
model.IsChanged = false;
return(new CheckResult(model));
}
catch (Exception ex)
{
key.RollbackKeys();
return(new CheckResult(ex));
}
}
}
public CheckResult AttachMultipleFiles(string[] files)
{
using (var db = DB.GetContext())
{
KeyBinder key = new KeyBinder();
try
{
foreach (string file in files)
{
FileBlobModel mod = new FileBlobModel();
mod.BlobName = Path.GetFileNameWithoutExtension(file);
mod.BlobExtension = Path.GetExtension(file);
mod.BlobData = File.ReadAllBytes(file);
mod.DriverID = this.CreationInfo.DriverID;
FileBlobRepository.SaveBlob(db, key, mod);
}
db.SaveChanges();
key.BindKeys();
return(new CheckResult());
}
catch (Exception ex)
{
key.RollbackKeys();
return(new CheckResult(ex));
}
}
}
public static IFileBlobManager CreateEdit(uint blobID)
{
using (var db = DB.GetContext())
{
FileBlobManager manager = new FileBlobManager();
manager.ActiveModel = FileBlobRepository.GetBlob(db, blobID);
manager.CreationInfo.DriverID = manager.ActiveModel.DriverID;
return(manager);
}
}
public virtual void RefreshFileList()
{
using (var db = DB.GetContext())
{
this.ActiveFiles.Clear();
var files = FileBlobRepository.GetViewBlobsByDriver(db, this.CreationInfo.DriverID.GetValueOrDefault());
foreach (var file in files)
{
this.ActiveFiles.Add(file);
}
}
}
public CheckResult PreviewFile(FileBlobViewModel model)
{
CheckResult res = new CheckResult(model);
using (var db = DB.GetContext())
{
var file = FileBlobRepository.GetBlob(db, model.BlobID);
if (file == null)
{
res.AddError("No such file!", string.Empty);
return(res);
}
string directory = Path.Combine(Environment.CurrentDirectory, "files");
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
string fileName = Path.Combine(directory, ExtensionMethods.SafeFileName(file.BlobName) + file.BlobExtension);
if (File.Exists(fileName))
{
try
{
File.Delete(fileName);
}
catch (Exception ex)
{
return(new CheckResult(ex));
}
}
try
{
File.WriteAllBytes(fileName, file.BlobData);
ProcessStartInfo info = new ProcessStartInfo(fileName);
info.UseShellExecute = true;
Process.Start(info);
return(res);
}
catch (Exception ex)
{
return(new CheckResult(ex));
}
}
}
