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);
}
}
}
public void RemoveDirectory(string path, bool recursive)
{
if (!DirectoryExists(path))
{
throw new IOException(string.Format(MessageStrings.PathNotFound, path));
}
var change = FileSystemChanges.FirstOrDefault(f => f.FullPath.Equals(path, PathComparisonType));
var subDirectoryChanges = FileSystemChanges.Where(f => f.FullPath.StartsWith(path, PathComparisonType));
if (!recursive)
{
if (change != null && change.FileSystemChangeType == FileSystemChangeType.AddDirectory)
{
if (subDirectoryChanges.Any())
{
throw new IOException(string.Format(MessageStrings.DirectoryNotEmpty, path));
}
FileSystemChangeTracker.RemoveChange(change);
}
else
{
if (EnumerateFiles(path, "*", SearchOption.AllDirectories).Any() ||
EnumerateDirectories(path, "*", SearchOption.AllDirectories).Any())
{
throw new IOException(string.Format(MessageStrings.DirectoryNotEmpty, path));
}
}
}
else
{
if (change != null && change.FileSystemChangeType == FileSystemChangeType.AddDirectory)
{
// All changes here then should be just additions.
FileSystemChangeTracker.RemoveChanges(subDirectoryChanges);
}
else
{
var files = EnumerateFiles(path, "*", SearchOption.AllDirectories);
foreach (var file in files)
{
DeleteFile(file);
}
var subDirs = EnumerateDirectories(path, "*", SearchOption.AllDirectories);
foreach (var subDir in subDirs)
{
RemoveDirectory(subDir, false);
}
}
}
}
/// <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 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);
}
public void DeleteFile(string path)
{
if (!FileExists(path))
{
throw new IOException(string.Format(MessageStrings.PathNotFound, path));
}
var change = FileSystemChanges.FirstOrDefault(f => f.FullPath.Equals(path, PathComparisonType) &&
f.FileSystemChangeType == FileSystemChangeType.AddFile);
if (change != null)
{
FileSystemChangeTracker.RemoveChange(change);
}
else
{
FileSystemChangeTracker.AddChange(new FileSystemChangeInformation()
{
FullPath = path,
FileSystemChangeType = FileSystemChangeType.DeleteFile
});
}
}
