/// <summary>
/// Adds the given new file to our in-memory data structures and to our database. Updates all clients on success.
/// </summary>
/// <param name="newFile"></param>
/// <param name="parent"></param>
private FileResult UploadOnNewFile(SoundboxNode newFile, SoundboxDirectory parent)
{
try
{
DatabaseLock.EnterWriteLock();
//save previous watermark for event
Guid previousWatermark = GetRootWatermark();
Guid newWatermark = Guid.NewGuid();
//add to cache
parent.AddChild(newFile);
NodesCache[newFile.ID] = newFile;
//add to database
//TODO async
Database.Insert(newFile);
//update cache and database watermarks (this will call Update for parent)
SetWatermark(newFile, newWatermark);
//update our clients
GetHub().OnFileEvent(new SoundboxFileChangeEvent()
{
Event = SoundboxFileChangeEvent.Type.ADDED,
File = FlattenForEvent(newFile),
PreviousWatermark = previousWatermark
});
if (newFile is Sound sound)
{
SpeechRecognition_OnSoundChanged(sound, null);
}
return(new FileResult(BaseResultStatus.OK, newFile, previousWatermark));
}
finally
{
DatabaseLock.ExitWriteLock();
}
}
/// <summary>
/// Moves a file to a new directory without performing an <see cref="Edit(SoundboxNode)"/>.
/// </summary>
/// <param name="file"></param>
/// <param name="directory">
/// Null: uses the root directory instead.
/// </param>
/// <returns></returns>
public async Task <FileResult> Move(SoundboxNode file, SoundboxDirectory directory)
{
file = GetCleanFile(file);
if (file == null)
{
return(new FileResult(BaseResultStatus.INVALID_PARAMETER));
}
if (IsRootDirectory(file))
{
return(new FileResult(FileResultStatus.ILLEGAL_FILE_EDIT_DENIED_ROOT));
}
if (directory == null)
{
directory = GetRootDirectory();
}
else
{
directory = GetCleanFile(directory);
if (directory == null)
{
return(new FileResult(BaseResultStatus.INVALID_PARAMETER));
}
}
if (file == directory)
{
//not possible
return(new FileResult(FileResultStatus.MOVE_TARGET_INVALID));
}
if (file.ParentDirectory == directory)
{
//no change
return(new FileResult(BaseResultStatus.OK_NO_CHANGE));
}
try
{
DatabaseLock.EnterWriteLock();
//save previous watermark for event
Guid previousWatermark = GetRootWatermark();
Guid newWatermark = Guid.NewGuid();
//move in cache
SoundboxDirectory oldParent = file.ParentDirectory;
oldParent.Children.Remove(file);
directory.AddChild(file);
//update file in database
if (!(file is SoundboxDirectory))
{
//TODO async
Database.Update(file);
}
//else: is updated anyways in SetWatermak
//update cache and database watermarks (this will call Update for parent)
SetWatermark(file, newWatermark);
SetWatermark(oldParent, newWatermark);
//update our clients
GetHub().OnFileEvent(new SoundboxFileMoveEvent()
{
Event = SoundboxFileChangeEvent.Type.MOVED,
File = FlattenForEvent(file),
FromDirectory = oldParent,
PreviousWatermark = previousWatermark
});
return(new FileResult(BaseResultStatus.OK, file, previousWatermark, oldParent));
}
catch (Exception ex)
{
Log(ex);
return(new FileResult(BaseResultStatus.INTERNAL_SERVER_ERROR));
}
finally
{
DatabaseLock.ExitWriteLock();
}
}
