public FileSystemRepository(DirectoryInfo folder, FileSystemShardingStrategy sharding, IBuildStuff builder)
{
_sharding = sharding;
_directory = folder;
_builder = builder;
_fileCache = new Dictionary<string, FileInfo>();
}
public FileSystemAccount(string directoryPath, FileSystemFactory factory, FileSystemShardingStrategy defaultStrategy )
{
_factory = factory;
_defaultStrategy = defaultStrategy;
_directory = new DirectoryInfo(directoryPath);
if (!_directory.Exists)
_directory.Create();
}
public FileSystemRepository OperOrCreate(DirectoryInfo directory, FileSystemShardingStrategy defaultShardingStrategy)
{
var sharding = defaultShardingStrategy;
var files = directory.GetFiles().ToList();
var dataFiles = files.Where(f => !f.Name.StartsWith(Sharding)).ToList();
if (!files.Any())
{
var id = GetId(sharding);
var path = Path.Combine(directory.FullName, Sharding + id);
using (new FileInfo(path).Create()) ;
}
else
{
var factory = files.Single(f => f.Name.StartsWith(Sharding)).Name;
int spearatorIndex = factory.IndexOf('-');
var id = factory.Substring(spearatorIndex + 1);
sharding = BuildShardingStrategy(id);
}
return new FileSystemRepository(directory, sharding, _builder);
}
