public void CreateDirectory(string path)
{
if (!DirectoryExists(path))
{
var change = FileSystemChanges.FirstOrDefault(f => f.FullPath.Equals(path, PathComparisonType) &&
f.FileSystemChangeType == FileSystemChangeType.RemoveDirectory);
if (change != null)
{
// If the directory was deleted, just remove the change.
// The directory could have been deleted to remove its children then added back.
FileSystemChangeTracker.RemoveChange(change);
}
else
{
FileSystemChangeInformation addDirectoryInformation = new FileSystemChangeInformation()
{
FullPath = path,
FileSystemChangeType = FileSystemChangeType.AddDirectory
};
FileSystemChangeTracker.AddChange(addDirectoryInformation);
}
var deletedParents = FileSystemChanges.Where(f => path.StartsWith(f.FullPath) && f.FileSystemChangeType == FileSystemChangeType.RemoveDirectory);
foreach (var deletedParent in deletedParents)
{
FileSystemChangeTracker.RemoveChange(deletedParent);
}
}
}
/// <summary>
/// Adds a piece of metadata to communicate back to the scaffolding server.
/// This currently uses the FileSystemChangeInformation message.
/// At some point an additional message type should be added specifically for metadata exchange.
/// </summary>
/// <param name="metadata">The data to send back. It will be put in the FullPath property of the message.</param>
public void AddMetadataMessage(string metadata)
{
FileSystemChangeInformation metadataInfo = new FileSystemChangeInformation()
{
FullPath = metadata,
FileSystemChangeType = FileSystemChangeType.AddFile,
FileContents = string.Empty
};
FileSystemChangeTracker.AddChange(metadataInfo);
}
public void AddChange(FileSystemChangeInformation fileSystemChangeInfo)
{
if (fileSystemChangeInfo == null)
{
throw new ArgumentNullException(nameof(fileSystemChangeInfo));
}
// The last change always wins.
readerWriterLock.EnterWriteLock();
_changes[fileSystemChangeInfo.FullPath] = fileSystemChangeInfo;
readerWriterLock.ExitWriteLock();
}
public void RemoveChange(FileSystemChangeInformation fileSystemChangeInfo)
{
if (fileSystemChangeInfo == null)
{
throw new ArgumentNullException(nameof(fileSystemChangeInfo));
}
readerWriterLock.EnterWriteLock();
if (_changes.ContainsKey(fileSystemChangeInfo.FullPath))
{
_changes.Remove(fileSystemChangeInfo.FullPath);
}
readerWriterLock.ExitWriteLock();
}
public void WriteAllText(string path, string contents)
{
if (!DirectoryExists(Path.GetDirectoryName(path)))
{
throw new IOException(string.Format(MessageStrings.PathNotFound, path));
}
var fileWriteInformation = new FileSystemChangeInformation()
{
FullPath = path,
FileSystemChangeType = FileSystemChangeType.AddFile,
FileContents = contents
};
if (FileExists(path))
{
fileWriteInformation.FileSystemChangeType = FileSystemChangeType.EditFile;
}
FileSystemChangeTracker.AddChange(fileWriteInformation);
}
protected override bool HandleMessageInternal(IMessageSender sender, Message message)
{
// What if the deserialization fails?
FileSystemChangeInformation info = message.Payload.ToObject <FileSystemChangeInformation>();
if (info == null)
{
Logger.LogMessage(MessageStrings.InvalidFileSystemChangeMessage);
Logger.LogMessage(message.Payload.ToString());
}
Logger.LogMessage($"{Environment.NewLine}\t\t{MessageStrings.StartFileSystemChangeToken}");
switch (info.FileSystemChangeType)
{
case FileSystemChangeType.AddFile:
Logger.LogMessage(string.Format(MessageStrings.AddFileMessage, info.FullPath));
Logger.LogMessage(string.Format(MessageStrings.ContentsMessage, info.FileContents));
break;
case FileSystemChangeType.EditFile:
Logger.LogMessage(string.Format(MessageStrings.EditFileMessage, info.FullPath));
Logger.LogMessage(string.Format(MessageStrings.ContentsMessage, info.FileContents));
break;
case FileSystemChangeType.DeleteFile:
Logger.LogMessage(string.Format(MessageStrings.DeleteFileMessage, info.FullPath));
break;
case FileSystemChangeType.AddDirectory:
Logger.LogMessage(string.Format(MessageStrings.AddDirectoryMessage, info.FullPath));
break;
case FileSystemChangeType.RemoveDirectory:
Logger.LogMessage(string.Format(MessageStrings.RemoveDirectoryMessage, info.FullPath));
break;
}
Logger.LogMessage($"\t\t{MessageStrings.EndFileSystemChangeToken}{Environment.NewLine}");
return(true);
}
