public ActionResult UpdateRecording(Recording recording)
{
if (channelRepository.FindRecording(recording.ID) == null)
return Json(new {
Message = "Not Found",
Result = -1,
ID = recording.ID
});
channelRepository.InsertOrUpdateRecording(recording);
channelRepository.Save();
return Json(new
{
Message = "Success",
Result = 0,
ID = recording.ID
});
}
private Recording SaveRecording(int UserID, string stream, string sig, int? fileID, out string message)
{
JavaScriptSerializer ser = new JavaScriptSerializer();
Signature signature = null;
try
{
signature = ser.Deserialize<Signature>(sig);
}
catch (Exception)
{
}
string name = "New Recording";
if (fileID.HasValue)
{
VirtualFile virtualFile = crumbsRepository.FindVirtualFile(fileID.Value);
if (virtualFile != null)
{
name = virtualFile.Name;
}
}
Recording recording = new Recording();
recording.Name = name;
recording.UserID = UserID;
recording.Date = DateTime.Now;
recording.RecordingStream = stream;
recording.VirtualFileID = fileID;
if (signature != null)
{
recording.Numerator = signature.numerator;
recording.Denominator = signature.denominator;
recording.BeatsPerMinute = signature.beatsPerMinute;
}
channelRepository.InsertOrUpdateRecording(recording);
channelRepository.Save();
int result = MidiFileHelper.writeRecordingStream(UserID, recording, out message);
return recording;
}
public static int writeRecordingStream(int UserID, Recording recording, out string message)
{
string appPhysicalPath = HostingEnvironment.ApplicationPhysicalPath;
string path = MidiFileHelper.getRecordingPath(UserID, recording.ID);
string FullPath = appPhysicalPath + path;
string folder = Path.GetDirectoryName(FullPath);
if (false == Directory.Exists(folder))
{
Directory.CreateDirectory(folder);
}
JavaScriptSerializer ser = new JavaScriptSerializer();
List<MidiEvent> events = ser.Deserialize<List<MidiEvent>>(recording.RecordingStream);
try
{
FileStream fs = new FileStream(FullPath,
FileMode.Create,
FileAccess.Write);
BinaryFormatter bin = new BinaryFormatter();
bin.Serialize(fs, events);
fs.Close();
}
catch (Exception e)
{
message = string.Format("Can't save the file {0}: {1}", FullPath, e.Message);
return -1;
}
message = FullPath;
return 0;
}
