/// <summary>
/// Create filemap from json string.
/// </summary>
/// <param name="json">The json string.</param>
/// <returns>The built filemap.</returns>
public static Filemap FromJson(string json)
{
// deserialize object from `json` string.
var filemap = new Filemap
{
_files = new List <File>(JsonConvert.DeserializeObject <File[]>(json))
};
return(filemap);
}
/// <summary>
/// Calculate diff between this filemap and given filemap.
/// </summary>
/// <param name="filemap">The filemap which is the 'latest' filemap.</param>
/// <returns>The file diff map.</returns>
public FileDiff[] GetDiff(Filemap filemap)
{
var diff = new List <FileDiff>();
// find new files of modified
Parallel.ForEach(filemap._files, (file) =>
{
if (!IsPresent(file.FileName))
{
// this file has been created
// add to diff map
diff.Add(new FileDiff
{
FileName = file.FileName,
DiffType = FileDiff.Type.Created,
Version = file.Version
});
return;
}
if (IsChanged(file))
{
// this file is changed
// add to diff map
diff.Add(new FileDiff
{
FileName = file.FileName,
DiffType = FileDiff.Type.Changed,
Version = file.Version
});
}
});
// find deleted files
Parallel.ForEach(_files, (file) =>
{
if (!filemap.IsPresent(file.FileName))
{
// this file is deleted
// add to diff map
diff.Add(new FileDiff
{
FileName = file.FileName,
DiffType = FileDiff.Type.Delete
});
}
});
return(diff.ToArray());
}
/// <summary>
/// Build filemap for `root` directory.
/// </summary>
/// <param name="root">The root directory.</param>
/// <param name="ignores">The ignore files.</param>
/// <returns>The built filemap.</returns>
public static Filemap Build(string root, string[] ignores)
{
var filemap = new Filemap();
if (!Directory.Exists(root))
{
throw new DirectoryNotFoundException();
}
// find all files
var files = Directory.GetFiles(root, "*.*", SearchOption.AllDirectories);
// build file version map
foreach (var file in files)
{
// build relative file name
var filename = file.Replace("\\", "/").Remove(0, root.Length);
// check if file is excluded
if (FileUtils.IsExcluded(filename, ignores))
{
continue;
}
if (filename.Contains(".mysync"))
{
continue;
}
// check exclusions
if (ignores != null)
{
}
// check file info
var fileinfo = new FileInfo(file);
filemap._files.Add(new File
{
FileName = filename,
Version = fileinfo.LastWriteTime.ToBinary()
});
}
return(filemap);
}