public IEnumerable <IScannedImage> RecoverScannedImages()
{
StartRecovery();
if (folderToRecoverFrom == null)
{
yield break;
}
try
{
recoveryIndexManager = new RecoveryIndexManager(folderToRecoverFrom);
imageCount = recoveryIndexManager.Index.Images.Count;
scannedDateTime = folderToRecoverFrom.LastWriteTime;
if (imageCount > 0)
{
// If there are no images, do nothing. Don't delete the folder in case the index was corrupted somehow.
switch (PromptToRecover())
{
case DialogResult.Yes:
foreach (var scannedImage in DoRecover())
{
yield return(scannedImage);
}
DeleteRecoveryFolder();
break;
case DialogResult.No:
DeleteRecoveryFolder();
break;
}
}
}
finally
{
FinishRecovery();
}
}
public bool Start(Action <ScannedImage> imageCallback)
{
Status = new OperationStatus
{
StatusText = MiscResources.Recovering
};
cancel = false;
folderToRecoverFrom = FindAndLockFolderToRecoverFrom();
if (folderToRecoverFrom == null)
{
return(false);
}
try
{
recoveryIndexManager = new RecoveryIndexManager(folderToRecoverFrom);
imageCount = recoveryIndexManager.Index.Images.Count;
scannedDateTime = folderToRecoverFrom.LastWriteTime;
if (imageCount == 0)
{
// If there are no images, do nothing. Don't delete the folder in case the index was corrupted somehow.
ReleaseFolderLock();
return(false);
}
switch (PromptToRecover())
{
case DialogResult.Yes: // Recover
threadFactory.StartThread(() =>
{
try
{
if (DoRecover(imageCallback))
{
ReleaseFolderLock();
DeleteFolder();
Status.Success = true;
}
}
finally
{
ReleaseFolderLock();
GC.Collect();
InvokeFinished();
}
});
return(true);
case DialogResult.No: // Delete
ReleaseFolderLock();
DeleteFolder();
break;
default: // Not Now
ReleaseFolderLock();
break;
}
}
catch (Exception)
{
ReleaseFolderLock();
throw;
}
return(false);
}