private bool?IsSamePhoto(PhotoInfo photoInfo, string otherFilePath)
{
try
{
PhotoInfo otherPhotoInfo = this.GetOrCreatePhotoInfo(otherFilePath);
if (photoInfo.FileHash.Length != otherPhotoInfo.FileHash.Length)
{
return(false);
}
for (int i = 0; i < photoInfo.FileHash.Length; i++)
{
if (photoInfo.FileHash[i] != otherPhotoInfo.FileHash[i])
{
return(false);
}
}
return(true);
}
catch (Exception)
{
return(null);
}
}
private void MovePhotoToDuplicatesDirectory(PhotoInfo photoInfo)
{
// I use the file hash to put duplicates into the same directory
string fileHash = BitConverter.ToString(photoInfo.FileHash).Replace("-", string.Empty);
string destinationDirectoryPath = Path.Combine(this._duplicatesDirectoryPath, fileHash);
string destinationFilePath;
int conflictRevision = 1;
while (true)
{
destinationFilePath = Path.Combine(destinationDirectoryPath, GetPhotoDestinationFileName(photoInfo, conflictRevision));
if (File.Exists(destinationFilePath))
{
conflictRevision++;
}
else
{
this.MovePhoto(photoInfo.FileName, destinationFilePath);
break;
}
}
}
private void CachePhotoInfo(PhotoInfo photoInfo)
{
if (this._photoInfoCache.Count > 10000)
{
this._photoInfoCache.Clear();
}
this._photoInfoCache[photoInfo.FileName] = photoInfo;
}
private void OrganizeDirectory(string directoryPath, CancellationToken cancellationToken)
{
if (string.Equals(directoryPath, this._duplicatesDirectoryPath, StringComparison.InvariantCultureIgnoreCase))
{
this.RaiseDirectorySkipped(directoryPath);
return;
}
this.RaiseDirectoryStarted(directoryPath);
string[] filePaths = Directory.GetFiles(directoryPath);
foreach (string filePath in filePaths)
{
if (cancellationToken.IsCancellationRequested)
{
return;
}
RaiseFileStarted(filePath);
if (PhotoInfo.IsPhotoFileExtension(Path.GetExtension(filePath)))
{
try
{
PhotoInfo photoInfo = this.GetOrCreatePhotoInfo(filePath);
PlacePhoto(photoInfo);
}
catch (Exception ex)
{
RaiseFileError(filePath, ex.Message);
}
}
else
{
string fileName = Path.GetFileName(filePath);
if (!fileName.Equals("Thumbs.db", StringComparison.InvariantCultureIgnoreCase) &&
!fileName.Equals("Desktop.ini", StringComparison.InvariantCultureIgnoreCase))
{
RaiseFileSkipped(filePath);
}
}
RaiseFileFinished(filePath);
}
string[] childDirectoryNames = Directory.GetDirectories(directoryPath);
foreach (string childDirectoryName in childDirectoryNames)
{
if (cancellationToken.IsCancellationRequested)
{
return;
}
OrganizeDirectory(childDirectoryName, cancellationToken);
}
this.RaiseDirectoryFinished(directoryPath);
}
private static string GetPhotoDestinationDirectoryName(string directoryPath, PhotoInfo photoInfo)
{
DateTime photoDateTime = photoInfo.DateTime;
string year = photoDateTime.ToString("yyyy");
string month = photoDateTime.ToString("MM");
string destinationDirectoryPath = Path.Combine(directoryPath, year);
destinationDirectoryPath = Path.Combine(destinationDirectoryPath, month);
return(destinationDirectoryPath);
}
private PhotoInfo GetOrCreatePhotoInfo(string filePath)
{
PhotoInfo photoInfo;
if (!this.TryGetCachedPhotoInfo(filePath, out photoInfo))
{
photoInfo = new PhotoInfo(filePath);
this.CachePhotoInfo(photoInfo);
}
return(photoInfo);
}
private void PlacePhoto(PhotoInfo photoInfo)
{
string sourceFilePath = string.Empty;
string destinationFilePath = string.Empty;
try
{
sourceFilePath = photoInfo.FileName;
string destinationDirectoryPath = GetPhotoDestinationDirectoryName(this._organizedDirectoryPath, photoInfo);
int conflictRevision = 1;
while (true)
{
destinationFilePath = Path.Combine(destinationDirectoryPath, GetPhotoDestinationFileName(photoInfo, conflictRevision));
// If the file is already in the right place, then I skip it
if (string.Equals(sourceFilePath, destinationFilePath, StringComparison.InvariantCultureIgnoreCase))
{
RaiseFileNotMoved(sourceFilePath);
break;
}
// I move duplicates into the duplicates directory
if (File.Exists(destinationFilePath))
{
if (IsSamePhoto(photoInfo, destinationFilePath) == true)
{
this.MovePhotoToDuplicatesDirectory(photoInfo);
this.RaiseDuplicateFileMoved(sourceFilePath, destinationFilePath);
break;
}
else
{
conflictRevision++;
}
}
else
{
this.MovePhoto(sourceFilePath, destinationFilePath);
this.RaiseFileMoved(sourceFilePath, destinationFilePath);
break;
}
}
}
catch (Exception ex)
{
RaiseFileError(sourceFilePath, ex.Message);
}
}
private static string GetPhotoDestinationFileName(PhotoInfo photoInfo, int conflictRevision)
{
DateTime photoDateTime = photoInfo.DateTime;
string year = photoDateTime.ToString("yyyy");
string month = photoDateTime.ToString("MM");
string day = photoDateTime.ToString("dd");
string hour = photoDateTime.ToString("HH"); //24 hour clock
string minute = photoDateTime.ToString("mm");
string revision = conflictRevision.ToString("D3");
string extension = Path.GetExtension(photoInfo.FileName);
if (conflictRevision > 0)
{
return(string.Format("IMG {0}-{1}-{2} {3}.{4}.{5}{6}",
year, month, day, hour, minute, revision, extension));
}
else
{
return(string.Format("IMG {0}-{1}-{2} {3}.{4}{5}",
year, month, day, hour, minute, extension));
}
}
private bool TryGetCachedPhotoInfo(string filePath, out PhotoInfo photoInfo)
{
return(this._photoInfoCache.TryGetValue(filePath, out photoInfo));
}