public DatabaseWindowViewModel()
{
Threshold = 0;
IDBs = new ObservableCollection <IDB>();
InitializeDBs();
IntializeCommands();
ComparisonResults = new TitledCollection <Compares>("Comparison Results");
}
async void Audit()
{
Reporter.Report($"Auditing {SelectedPlatform.Title}");
TitledCollection <Audit.Result> resultCollection = null;
await Task.Run(() =>
{
resultCollection = Robin.Audit.AuditRoms(SelectedPlatform);
});
AuditResultsCollection.Add(resultCollection);
}
/// <summary>
/// Audits existance of roms for patforms that are not mame. Cycles through all roms under the platform, checks the existance of a file under ROM.filename, checks the crc
/// </summary>
/// <returns>A list of Audit.Result </returns>
static TitledCollection <Result> AuditNonMameRoms(Platform platform)
{
TitledCollection <Result> returner = new TitledCollection <Result>(platform.Title);
// Record all files in the directory to keep track of which have been audited
HashSet <string> files = new HashSet <string>(Directory.GetFiles(platform.RomDirectory));
int headerLength = (int)platform.HeaderLength;
int romCount = platform.Roms.Count;
Reporter.Tic($"Auditing {romCount} {platform.Title} database ROMs...", out int tic1);
// First audit all ROMS in the database
foreach (Rom rom in platform.Roms)
{
var result = new Result(rom);
returner.Add(result);
if (File.Exists(rom.FilePath))
{
if (rom.CRC32 != null)
{
if (rom.CRC32 == GetHash(rom.FilePath, HashOption.CRC32, headerLength) ||
rom.CRC32 == GetHash(rom.FilePath, HashOption.CRC32, 0))
{
result.Status = Status.Good;
}
else
{
result.Status = Status.Bad;
}
}
else if (rom.MD5 != null)
{
if (rom.MD5 == GetHash(rom.FilePath, HashOption.MD5, headerLength) ||
rom.MD5 == GetHash(rom.FilePath, HashOption.MD5, 0))
{
result.Status = Status.Good;
}
else
{
result.Status = Status.Bad;
}
}
else if (rom.SHA1 != null)
{
if (rom.SHA1 == GetHash(rom.FilePath, HashOption.SHA1, headerLength) ||
rom.SHA1 == GetHash(rom.FilePath, HashOption.SHA1, 0))
{
result.Status = Status.Good;
}
else
{
result.Status = Status.Bad;
}
}
else
{
result.Status = Status.Unknown;
}
}
else
{
result.Status = Status.Missing;
}
// Remove from the list so we don't check again below
files.Remove(rom.FilePath);
}
Reporter.Toc(tic1);
// Then go through all files in the folder not checked yet and mark as superfluous
Reporter.Tic("Creating hash sets...", out int tic2);
HashSet <string> crcs = new HashSet <string>(returner.Select(x => x.CRC32));
HashSet <string> sha1s = new HashSet <string>(returner.Select(x => x.SHA1));
HashSet <string> md5s = new HashSet <string>(returner.Select(x => x.MD5));
Reporter.Toc(tic2);
Reporter.Tic("Auditing orpan files on disks...", out int tic3);
foreach (string file in files)
{
Result result = new Result
{
Status = Status.Extra,
FilePath = file
};
if (crcs.Contains(GetHash(file, HashOption.CRC32, (int)platform.HeaderLength)) ||
crcs.Contains(GetHash(file, HashOption.CRC32, 0)) ||
md5s.Contains(GetHash(file, HashOption.MD5, (int)platform.HeaderLength)) ||
md5s.Contains(GetHash(file, HashOption.MD5, 0)) ||
sha1s.Contains(GetHash(file, HashOption.SHA1, (int)platform.HeaderLength)) ||
sha1s.Contains(GetHash(file, HashOption.SHA1, 0)))
{
result.Status = Status.Duplicate;
}
}
Reporter.Toc(tic3);
return(returner);
}