private static PathAndTrackNumber GetNextAvailableFile(IOptionsService optionsService, string folder, DateTime dt)
{
PathAndTrackNumber result = null;
var path = Directory.Exists(folder) ? null : GenerateCandidateFilePath(folder, dt, 1);
if (path != null)
{
result = new PathAndTrackNumber {
FilePath = path, TrackNumber = 1
};
}
else
{
int maxFileCount = optionsService.Options.MaxRecordingsInOneFolder;
for (int increment = 1; increment <= maxFileCount && result == null; ++increment)
{
string candidateFile = GenerateCandidateFilePath(folder, dt, increment);
if (!File.Exists(candidateFile))
{
result = new PathAndTrackNumber {
FilePath = candidateFile, TrackNumber = increment
};
}
}
}
return(result);
}
/// <summary>
/// Gets the full path of the next recording file (non-existent)
/// </summary>
/// <param name="optionsService">Options service</param>
/// <param name="dt">Recording date</param>
/// <param name="commandLineIdentifier">identifier passed on commandline to differentiate settings and folders</param>
/// <returns>Candidate path</returns>
public RecordingCandidate GetRecordingFileCandidate(
IOptionsService optionsService,
DateTime dt,
string commandLineIdentifier)
{
var destFolder = FileUtils.GetDestinationFolder(dt, commandLineIdentifier, optionsService.Options.DestinationFolder);
PathAndTrackNumber finalPathAndTrack = GetNextAvailableFile(optionsService, destFolder, dt);
var result = new RecordingCandidate
{
RecordingDate = dt,
TrackNumber = finalPathAndTrack.TrackNumber,
TempPath = GetTempRecordingFile(),
FinalPath = finalPathAndTrack.FilePath
};
Log.Logger.Information("New candidate = {@Candidate}", result);
return(result);
}
