private void Rename(string sourceFileName, string destFileName, CopyOptions copyOptions)
{
if (File.Exists(destFileName))
{
var sourceFileInfo = new FileInfo(sourceFileName);
var destFileInfo = new FileInfo(destFileName);
var comparer = new FileDateComparer(sourceFileInfo, destFileInfo, copyOptions.CompareDateOptions);
var renamedFilename = GetCountedUpExtension(destFileName);
switch (copyOptions.CopyStrategy)
{
default:
throw new NotSupportedException();
case CopyStrategy.RenameNew:
RenameNew(sourceFileName, destFileName, comparer, renamedFilename);
break;
case CopyStrategy.RenameOld:
RenameOld(sourceFileName, destFileName, comparer, renamedFilename);
break;
}
}
else
{
File.Copy(sourceFileName, destFileName);
}
}
private void RenameNew(string sourceFileName, string destFileName, FileDateComparer comparer, string renamedFilename)
{
var destFileInfo = new FileInfo(destFileName);
if (comparer.NewFile.FullName == destFileInfo.FullName)
{
File.Move(destFileName, renamedFilename);
File.Copy(sourceFileName, destFileName);
}
else if (comparer.OldFile.FullName == destFileInfo.FullName)
{
File.Copy(sourceFileName, renamedFilename);
}
}
private void RenameOld(string sourceFileName, string destFileName, FileDateComparer comparer, string renamedFilename)
{
var destFileInfo = new FileInfo(destFileName);
if (comparer.OldFile.FullName == destFileInfo.FullName)
{
logger.LogDebug("RenameOldMove | Move {0} to {1}", destFileName, renamedFilename);
logger.LogDebug("RenameOldMove | Copy {0} to {1}", sourceFileName, destFileName);
File.Move(destFileName, renamedFilename);
File.Copy(sourceFileName, destFileName);
}
else if (comparer.NewFile.FullName == destFileInfo.FullName)
{
logger.LogDebug("RenameOldCopy | Copy {0} to {1}", sourceFileName, renamedFilename);
File.Copy(sourceFileName, renamedFilename);
}
}