public static bool SynchronizeDBs(string srcDBFilename1,
string srcDBFilename2, string outputFilename)
{
DB destination;
DB source;
bool loaded = MusicDBLoader.LoadDB(srcDBFilename1, out destination);
if (loaded)
{
loaded = MusicDBLoader.LoadDB(srcDBFilename2, out source);
if (loaded)
{
// TODO: recode this
//destination.albums.AddRange(source.albums);
MusicDBLoader.SaveDB(outputFilename, destination);
return(true);
}
}
return(false);
}
void ThreadParse(object data)
{
ThreadData td = (ThreadData)data;
Thread thr = Thread.CurrentThread;
try
{
ParseMusicStyle(td.style, thr);
}
catch (ThreadInterruptedException)
{
iForm.PrintLine("(" + td.style + ")\t!INTERRUPTED the queries ( at " + iLineCount[td.style] + " lines )");
//update log
SaveLog((int)this.iLineCount[td.style], td.style);
MusicDBLoader.SaveDB(iDBFileName, this.dataBase);
}
catch (ThreadAbortException)
{
iForm.PrintLine("(" + td.style + ")\t!ABORTED the queries ( at " + iLineCount[td.style] + " lines )");
//update log
SaveLog((int)this.iLineCount[td.style], td.style);
MusicDBLoader.SaveDB(iDBFileName, this.dataBase);
}
catch (Exception e)
{
iForm.PrintLine(e.Message);
}
}
//Constructor
public MusicDBParser(Form1 aForm)
{
iForm = aForm;
iLineCount = new Hashtable();
// try to load DataBase
bool loaded = MusicDBLoader.LoadDB(iDBFileName, out dataBase);
if (!loaded)
{
dataBase = new DB();
dataBase.albums = new Hashtable();
dataBase.countries = new Hashtable();
dataBase.styles = new Hashtable();
dataBase.artists = new Hashtable();
dataBase.dates = new Hashtable();
this.ParseCountries(iCountriesInfoFileName);
MusicDBLoader.SaveDB(iDBFileName, this.dataBase);
}
}
public static bool FilterDB(string srcDBFilename,
string outputFilename)
{
DB destination;
string iGeoDataPath = "./geodata/";
List <string> countryFilter = ParseCountryFilter(iGeoDataPath + "countries_acronyms_europe.txt");
bool loaded = MusicDBLoader.LoadDB(srcDBFilename, out destination);
if (loaded)
{
ArrayList albums = new ArrayList(destination.albums.Values);
for (int i = 0; i < albums.Count; i++)
{
Album album = (Album)albums[i];
for (int j = 0; j < album.releases.Count; j++)
{
MusicBrainzRelease release = album.releases[j];
if (!countryFilter.Contains(release.country.acronym))
{
album.releases.RemoveAt(j--);
release.freeDBAlbum = null;
}
}
// if it became an empty album
if (album.releases.Count == 0)
{
string key = album.artist.name + "€" + album.title;
key = key.ToLowerInvariant();
key = ClearString(key);
destination.albums.Remove(key);
key = ClearString(album.artist.name.ToLowerInvariant());
Artist artist = (Artist)destination.artists[key];
artist.albums.Remove(album);
if (album.artist.albums.Count == 0)
{
destination.artists.Remove(key);
}
}
}
// filter releases in styles
foreach (Style style in destination.styles.Values)
{
for (int k = 0; k < style.releases.Count; k++)
{
MusicBrainzRelease release = style.releases[k];
if (release.freeDBAlbum == null ||
!countryFilter.Contains(release.country.acronym))
{
style.releases.RemoveAt(k--);
}
}
}
// filter countries
ArrayList countries = new ArrayList(destination.countries.Values);
foreach (Country country in countries)
{
if (!countryFilter.Contains(country.acronym))
{
destination.countries.Remove(country.acronym);
}
else
{
for (int k = 0; k < country.releases.Count; k++)
{
MusicBrainzRelease release = country.releases[k];
if (release.freeDBAlbum == null)
{
country.releases.RemoveAt(k--);
}
}
}
}
// filter styles
ArrayList styles = new ArrayList(destination.styles.Keys);
for (int k = 0; k < styles.Count; k++)
{
object key = styles[k];
Style style = (Style)destination.styles[key];
if (style.releases.Count == 0)
{
destination.styles.Remove(key);
}
}
MusicDBLoader.SaveDB(outputFilename, destination);
return(true);
}
return(false);
}
//////////////////////////////////////////////////////////////////////////
// Method: ParseMusicStyle
// FullName: MusicDataminer.MusicDBParser.ParseMusicStyle
// Access: public
// Returns: void
// Parameter: string style
// Parameter: Thread aCurrentThread
//////////////////////////////////////////////////////////////////////////
public void ParseMusicStyle(string style, Thread aCurrentThread)
{
// Open the file and read it back.
StreamReader sr = File.OpenText("../../../data/freedb/" + style + ".txt");
string text = "";
//Skip previously read
int lineNumber = ReadLog(style);
for (int i = 0; i < lineNumber; i++)
{
sr.ReadLine();
}
iLineCount[style] = lineNumber;
char[] delimiterChars = { '\t' };
string[] tokens;
string retrievedName;
Style styleObj = GetStyle(style);
try
{
//Start querying
while ((text = sr.ReadLine()) != null)
{
Thread.Sleep(2);
tokens = text.Split(delimiterChars);
if (tokens.Length < 2)
{
continue;
}
// Lowercase all the tokens
string artistName = tokens[0].ToLower();
string title = tokens[1].ToLower();
List <MusicBrainzRelease> releases = new List <MusicBrainzRelease>();
// search for info in the MusicBrainz DB
bool foundSomething = GetMusicBrainzReleases(artistName, title, releases, out retrievedName, style);
if (foundSomething)
{
Album album = new Album();
if (tokens.Length < 3 || tokens[2].Trim().Length == 0)
{
album.style = styleObj;
}
else
{
album.style = GetStyle(tokens[2]);
}
album.title = retrievedName;
if (AddAlbum(album, artistName))
{
// Add the album to all its releases
foreach (MusicBrainzRelease release in releases)
{
release.freeDBAlbum = album;
AddReleaseDate(release);
}
// set the Artist object
album.artist = GetArtist(artistName);
// add the releases to the Album
album.releases = releases;
// add the releases to their Style
album.style.releases.AddRange(releases);
// add the album to its artist
album.artist.albums.Add(album);
// Some output
iForm.PrintLine("(" + style + ")\t-> ADDED: " + album.title + " Artist: " + album.artist.name);
foreach (MusicBrainzRelease release in album.releases)
{
iForm.PrintLine("\tCountry: " + release.country.name + " Date: " + release.date);
}
}
}
lineNumber++;
iLineCount[style] = lineNumber;
}
}
catch (Exception e)
{
Console.WriteLine("Boom.");
}
iForm.PrintLine("(" + style + ")\t!!! FINISHED !!! ( " + lineNumber + " lines )");
//update log
SaveLog(lineNumber, style);
MusicDBLoader.SaveDB(iDBFileName, this.dataBase);
}
