private void UpdateCoverArt()
{
_coverUpdateTimer.Stop();
try
{
// get a hook to the DB
IDBClient db = Database.RetrieveClient();
//// get the audio library locations
//IList<Album> albums = _theModule._theDatabase.RetrieveAlbumsWithoutCoverArt(db);
// get the current timestamp, we'll use this in case anything gets modified while this is happening
DateTime beforeUpdate = DateTime.Now;
//_log.Info("Started cover art update at: " + DateTime.Now.ToLocalTime());
//// recurse through each of the library locations
//foreach (Album album in albums)
//{
// if (!_theModule._theCore._keepRunning)
// {
// return;
// }
// bool artistPresent = (null != album._artist.Name);
// bool titlePresent = (null != album._title);
// // if this has the imported cover art
// if (artistPresent && titlePresent && album._coverArt == AudioModuleConstants.IMPORTED_COVERART)
// {
// // try to retrieve the cover art from Amazon
// var amazon = new AmazonRestService();
// string coverArt = amazon.RetrieveImage(album, AudioModuleConstants.IMAGE_FOLDER);
// // if successful, store it on the album
// if (null != coverArt)
// {
// // add the cover art with the required prefix
// string coverArtPath = AudioModuleConstants.IMAGES_PREFIX + "/" + coverArt;
// album._coverArt = coverArtPath;
// _theModule._theDatabase.UpdateAddAlbum(db, album);
// db.Commit();
// }
// }
//}
TimeSpan elapsedTime = DateTime.Now - beforeUpdate;
_log.Info("Finished cover art update at: " + DateTime.Now.ToLocalTime() + ". Took: " +
elapsedTime.TotalSeconds + " seconds");
db.Close();
}
catch (Db4oException)
{
// TODO
}
finally
{
_coverUpdateTimer.Start();
}
}
/// <summary>
/// Read the configuration file, establish what library locations need to be read
/// </summary>
private void InitialiseLibraryLocations()
{
// get a hook to the DB to use
IDBClient db = Database.RetrieveClient();
IList <LibraryLocation> confirmedLocations = new List <LibraryLocation>();
//// get the list from the config file first
//foreach (XmlNode locationNode in GetLibraryLocations())
//{
// string name = locationNode.Attributes["Name"].Value;
// string path = locationNode.Attributes["Path"].Value;
// LibraryLocation location = Database.RetrieveLibraryLocation(db, name, path);
// // if this is a new location, add it to the DB
// if (null == location)
// {
// location = new VideoLibraryLocation(name, path);
// }
// // add it to the ones that should be there
// confirmedLocations.Add(location);
//}
// now we'll prune the ones which shouldn't be here
IList <VideoLibraryLocation> locations = Database.RetrieveLibraryLocations(db);
if (locations.Count != 0)
{
foreach (VideoLibraryLocation location in locations)
{
if (!confirmedLocations.Contains(location))
{
Database.RemoveLibraryLocation(db, location);
}
}
}
// wasteful, but we'll just reconfirm them all
foreach (VideoLibraryLocation location in confirmedLocations)
{
Database.UpdateAddLibraryLocation(db, location);
}
db.Close();
// -------------------------------------------------------------------------------------------
}
/// <summary>
/// Read the configuration file, establish what library locations need to be read
/// </summary>
private void InitialiseLibraryLocations()
{
// get a hook to the DB to use
IDBClient db = Database.RetrieveClient();
IList <LibraryLocation> confirmedLocations = new List <LibraryLocation>();
// get the list from the config file first
foreach (XmlNode locationNode in GetLibraryLocations())
{
string name = locationNode.Attributes["Name"].Value;
string path = locationNode.Attributes["Path"].Value;
// either find the existing location or create a new one
LibraryLocation location = Database.RetrieveLibraryLocation(db, name, path) ??
new AudioLibraryLocation(name, path);
// add it to the ones that should be there
confirmedLocations.Add(location);
}
// now we'll prune the ones which shouldn't be here
IList <AudioLibraryLocation> locations = Database.RetrieveLibraryLocations(db);
if (locations.Count != 0)
{
foreach (AudioLibraryLocation location in locations)
{
if (!confirmedLocations.Contains(location))
{
Database.RemoveLibraryLocation(db, location);
}
}
}
// wasteful, but we'll just reconfirm them all
foreach (AudioLibraryLocation location in confirmedLocations)
{
Database.UpdateAddLibraryLocation(db, location);
}
db.Close();
}
/// <summary>
/// Update the library when invoked via the timer
/// </summary>
private void UpdateLibrary()
{
try
{
// get a hook to the DB
IDBClient db = Database.RetrieveClient();
// retrieve the initial number of tracks
int beforeTracks = Database.RetrieveNumberOfTracks(db);
// get the audio library locations
IList <AudioLibraryLocation> locations = Database.RetrieveLibraryLocations(db);
// get the current timestamp, we'll use this in case anything gets modified while this is happening
DateTime beforeUpdate = DateTime.Now;
_log.Info("Starting library update at: " + beforeUpdate.ToLocalTime());
try
{
// recurse through each of the library locations
foreach (AudioLibraryLocation location in locations)
{
if (_log.IsDebugEnabled)
{
_log.Debug("Updating library location: " + location.Path);
}
// initialise the list of directories to process
IList <string> directoriesToProcess = new List <string>();
// start traversing down each directory
ProcessDirectory(directoriesToProcess, location.Path, location.LastWritten);
// if there was any processing needed to be done
if (directoriesToProcess.Count > 0)
{
const int numThreads = 5;
_libraryThreadPool = new FixedThreadPool(5, ThreadPriority.Lowest);
_log.Debug("Created custom thread pool for library with " + numThreads + " threads");
// make all the workers
for (int i = 0; i < directoriesToProcess.Count; i++)
{
var worker = new AudioLibraryWorker();
worker.Directory = directoriesToProcess[i];
// attach it to a worker for the pool
var workerItem = new WorkerItem(worker.WorkerMethod);
// add it to the pool
_libraryThreadPool.QueueWorkerItem(workerItem);
// start the show
_libraryThreadPool.Start();
}
}
// reset the reference to when this update run started
location.LastWritten = beforeUpdate;
// store this updated location back in the DB
Database.UpdateAddLibraryLocation(db, location);
// commit after each location. if something goes wrong, we wont have to redo
db.Commit();
}
// get the number of tracks after
int afterTracks = Database.RetrieveNumberOfTracks(db);
TimeSpan elapsedTime = DateTime.Now - beforeUpdate;
_log.Info("Finished library update at: " + DateTime.Now.ToLocalTime() + ". Took: " +
elapsedTime.TotalSeconds + " seconds");
_log.Info("Imported " + (afterTracks - beforeTracks) + " tracks");
// close the db
db.Close();
}
catch (DatabaseClosedException)
{
_log.Debug("The database has been closed prematurely");
}
}
catch (Db4oException ex)
{
_log.Error("Problem occurred when updating library", ex);
}
finally
{
_libraryUpdateTimer.Start();
}
}
/// <summary>
/// Worker method that be threaded for parallel processing of each of the directories
/// </summary>
public void WorkerMethod()
{
// take a note of the current time
var stopWatch = new Stopwatch();
stopWatch.Start();
// keep track of the number of files for reporting
var numberOfFiles = 0;
try
{
// get a hook to the DB
IDBClient db = null;
// retrieve all the files in the supported extensions
var files = System.IO.Directory.GetFiles(Directory, string.Empty, SearchOption.TopDirectoryOnly).Where(x => AudioConstants.SUPPORTED_LOSSLESS.Concat(AudioConstants.SUPPORTED_LOSSY).Contains(Path.GetExtension(x)));
// open the database if there are files to process
if (numberOfFiles > 0 && db == null)
{
// get a DB connection
db = Database.RetrieveClient();
// increment our total
numberOfFiles += files.Count();
// add these to the list
foreach (string file in files)
{
// process them accordingly
ProcessTrack(db, file);
}
}
// attach the correct artist to the album
if (_tally.Count > 0)
{
// find the artist that appears the most
var highestPair = new KeyValuePair <Artist, int>(null, 0);
foreach (var pair in _tally)
{
if (pair.Value > highestPair.Value)
{
highestPair = pair;
}
}
// if they aren't on at least half the tracks, it's a various artist album
if (highestPair.Value >= (_theAlbum.Tracks.Count / 2))
{
// only change this in the DB if it's changed
if (_theAlbum.Artist.Name != highestPair.Key.Name)
{
_theAlbum.Artist = highestPair.Key;
// update the DB reference
Database.UpdateAddAlbum(db, _theAlbum);
}
}
else
{
_theAlbum.Artist = Artist.VARIOUS_ARTISTS;
// update the DB reference
Database.UpdateAddAlbum(db, _theAlbum);
}
}
// commit after each directory
db.Close();
}
catch (IOException e)
{
_log.Error("File IO problem when processing directory: " + Directory, e);
}
if (_log.IsDebugEnabled)
{
_log.Debug("Processing directory '" + Directory + "' took " + stopWatch.Elapsed.TotalSeconds +
" seconds.");
_log.Debug("There were " + numberOfFiles + " files, at " + (stopWatch.Elapsed.TotalSeconds / numberOfFiles) +
" seconds per file");
}
}
/// <summary>
/// Update the library when invoked via the timer
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void UpdateLibrary()
{
_libraryUpdateTimer.Stop();
try
{
// lower the priority of this thread
Thread.CurrentThread.Priority = ThreadPriority.Lowest;
// get a hook to the DB
IDBClient db = Database.RetrieveClient();
// get the audio library locations
IList <VideoLibraryLocation> locations = Database.RetrieveLibraryLocations(db);
// get the current timestamp, we'll use this in case anything gets modified while this is happening
DateTime beforeUpdate = DateTime.Now;
_log.Info("Starting library update at: " + beforeUpdate.ToLocalTime());
try
{
// recurse through each of the library locations
foreach (VideoLibraryLocation location in locations)
{
if (_log.IsDebugEnabled)
{
_log.Debug("Updating library location: " + location.Path);
}
// // initialise the list of directories to process
// IList<string> directoriesToProcess = new List<string>();
// // start traversing down each directory
// ProcessDirectory(directoriesToProcess, location.Path, location.LastWritten);
// // if there was any processing needed to be done
// if (directoriesToProcess.Count > 0)
// {
// _libraryThreadPool = new FixedThreadPool(5, ThreadPriority.Lowest);
// _log.Debug("Created custom thread pool for library with 5 threads");
// // make all the workers
// for (int i = 0; i < directoriesToProcess.Count; i++)
// {
// if (!_theModule._theCore._keepRunning)
// {
// _libraryThreadPool._keepRunning = false;
// return;
// }
// // create the worker thread
// var worker = new LibraryWorker(_theModule, directoriesToProcess[i]);
// // attach it to a worker for the pool
// var workerItem =
// new WorkerItem(new LibraryWorker.DirectoryWorker(worker.WorkerMethod));
// // add it to the pool
// _libraryThreadPool.QueueWorkerItem(workerItem);
// // start the show
// _libraryThreadPool.Start();
// }
// }
// reset the reference to when this update run started
location.LastWritten = beforeUpdate;
// store this updated location back in the DB
Database.UpdateAddLibraryLocation(db, location);
// commit after each location. if something goes wrong, we wont have to redo
db.Commit();
}
TimeSpan elapsedTime = DateTime.Now - beforeUpdate;
_log.Info("Finished library update at: " + DateTime.Now.ToLocalTime() + ". Took: " +
elapsedTime.TotalSeconds + " seconds");
// close the db
db.Close();
}
catch (DatabaseClosedException)
{
_log.Debug("The database has been closed prematurely");
_libraryThreadPool._keepRunning = false;
}
}
catch (Db4oException ex)
{
_log.Error("Problem occurred when updating library", ex);
}
finally
{
_libraryUpdateTimer.Start();
}
}
public Album GetTracks(CDDBEntry cddbResult)
{
// initialise the album to output
Album newAlbum = null;
// build up the command string
var commandBuilder = new StringBuilder();
commandBuilder.Append("?");
commandBuilder.Append(FreeDBConstants.COMMAND);
commandBuilder.Append(FreeDBConstants.COMMAND_READ);
commandBuilder.Append("+");
commandBuilder.Append(cddbResult.Genre);
commandBuilder.Append("+");
commandBuilder.Append(cddbResult.DiscID);
commandBuilder.Append("&");
commandBuilder.Append(GenerateHello());
commandBuilder.Append("&");
commandBuilder.Append(GenerateProtocol());
// make the URL to use
var urlBuilder = new StringBuilder();
urlBuilder.Append(FreeDBConstants.URL_FREEDB_MAIN);
urlBuilder.Append(FreeDBConstants.URL_HTTP_ACCESS);
// hit up FreeDB for the result
IList <string> freeDBResponse = Query(urlBuilder.ToString(), commandBuilder.ToString());
// parse the query
if (freeDBResponse.Count > 0)
{
// extract the response code
ResponseCode responseCode = ExtractResponseCode(freeDBResponse[0]);
switch (responseCode)
{
case ResponseCode.RESPONSE_CODE_DEFAULT:
_log.Error("Problem querying album using command: " + commandBuilder);
break;
case ResponseCode.RESPONSE_CODE_200:
case ResponseCode.RESPONSE_CODE_210:
_log.Debug("Found track/s");
// get a hook to the DB
IDBClient db = Database.RetrieveClient();
// we'll look for an artist to attach this all to
Artist theArtist = Database.RetrieveArtistByName(db, cddbResult.ArtistName);
// TODO Check for artists, as opposed to just one
// if we don't we'll create one
if (null == theArtist)
{
theArtist = new Artist(cddbResult.ArtistName);
}
db.Close();
// we'll create an album for this with invalid data, we'll fill that out after
newAlbum = new Album(cddbResult.Title, theArtist, null, 1900, Compression.Undecided);
// a list to keep track of the track lengths in seconds
IList <int> trackLengths = new List <int>();
// keep track of the track offsets for track lengths
int lastTrackOffset = 0;
// break up each of the results
foreach (string responseLine in freeDBResponse)
{
// extract the track lengths
if (responseLine.Contains("#\t"))
{
// parse the next offset
int newOffset = Int32.Parse(responseLine.Substring(2));
// stop the first one being processed
if (lastTrackOffset > 0)
{
int seconds = (newOffset - lastTrackOffset) / 75;
trackLengths.Add(seconds);
}
// store the new offset
lastTrackOffset = newOffset;
}
// extract the total number of seconds so we can calculate the last tracks length
if (responseLine.Contains("# Disc length"))
{
// parse the total length of the album in seconds
int totalLength = Int32.Parse(responseLine.Substring(15, 4));
int secondsToDate = lastTrackOffset / 75;
// extract the length of the last track from this to find out the length of the final track
int lastTrackLength = totalLength - secondsToDate;
// add this to the lengths
trackLengths.Add(lastTrackLength);
}
// extract the year
if (responseLine.Contains("DYEAR"))
{
string year = responseLine.Substring(6);
newAlbum.ReleaseYear = Int32.Parse(year);
}
// extract a track
if (responseLine.Contains("TTITLE"))
{
// marker for where to parse string to
int indexOfSpace = responseLine.IndexOf('=', 6);
string numberString = responseLine.Substring(6, (indexOfSpace - 6));
int trackNumber = Int32.Parse(numberString) + 1;
string trackTitle = responseLine.Substring(indexOfSpace + 1);
// create this with no path as it's not currently set
var artists = new List <Artist>();
artists.Add(theArtist);
var newTrack = new Track(trackNumber, artists, newAlbum,
new Duration(new TimeSpan(0, 0, trackLengths[trackNumber - 1])),
trackTitle, null);
newAlbum.AddTrack(newTrack);
}
}
break;
default:
_log.Error("Response came back we weren't expecting, handle it");
break;
}
}
// pass back the resulting album
return(newAlbum);
}
