public ICommand CreateCommand(string[] args)
{
var hashes = new List<Func<IHashCodeProvider>>();
var decorators = new List<IStreamDecorator>();
IRememberHashCodes history = null;
_options.Update<string>(Args.Name, v => hashes.Add(() => new FileNameHashCodeProvider()));
_options.Update<string>(Args.Size, v => hashes.Add(() => new FileSizeHashCodeProvider(_fileSystem)));
_options.Update<string>(Args.Content,
v => hashes.Add(() => new FileContentHashCodeProvider(_fileSystem, decorators.ToArray())));
_options.Update(Args.Head, (long v) => decorators.Add(new HeadStreamDecorator(v)));
_options.Update(Args.Tail, (long v) => decorators.Add(new TailStreamDecorator(v)));
_options.Update<string>(Args.History, v => history = new DatabaseHistory(v, _fileSystem));
var directories = _options.Parse(args);
var messages = Missing(hashes, "The comparison type is missing")
.Union(Missing(directories, "No directories to compare"))
.Union(Missing(history, "No history file was specified"));
if (messages.Any())
{
throw new CommandLineParserException(messages);
}
var finder = new DuplicateFinder(directories.Select(x => (IFileFinder) new RecursiveFileFinder(_fileSystem, x)),
hashes.Select(x => x()),
_output,
new NullHistory());
return new PruneHistoryCommand(_output,
finder,
history);
}
public ICommand CreateCommand(string[] args)
{
var hashes = new List<Func<IHashCodeProvider>>();
var decorators = new List<IStreamDecorator>();
var deletionSelector = (ISelectFilesToDelete) new AllButFirstDuplicateSelector();
var deleter = (IFileDeleter) new FileDeleter(_fileSystem, _output);
var history = (IRememberHashCodes) new NullHistory();
var applyWhatIf = new Action(() => { });
_options.Update<string>(Args.Name, v => hashes.Add(() => new FileNameHashCodeProvider()));
_options.Update<string>(Args.Size, v => hashes.Add(() => new FileSizeHashCodeProvider(_fileSystem)));
_options.Update<string>(Args.Content,
v => hashes.Add(() => new FileContentHashCodeProvider(_fileSystem, decorators.ToArray())));
_options.Update(Args.Head, (long v) => decorators.Add(new HeadStreamDecorator(v)));
_options.Update(Args.Tail, (long v) => decorators.Add(new TailStreamDecorator(v)));
_options.Update<string>(Args.Keep, v => deletionSelector = new KeepOneCopyInDirectorySelector(v));
_options.Update<string>(Args.History, v => history = new DatabaseHistory(v, _fileSystem));
_options.Update<string>(Args.WhatIf,
_ =>
{
applyWhatIf = () =>
{
deleter = new WhatIfFileDeleter(_output);
if (history != null)
{
history = new ReadOnlyHistory(history);
}
};
});
var directories = _options.Parse(args);
applyWhatIf();
var messages = Missing(hashes, "The comparison type is missing")
.Union(Missing(directories, "No directories to compare"));
if (messages.Any())
{
throw new CommandLineParserException(messages);
}
var finder = new DuplicateFinder(directories.Select(x => (IFileFinder) new RecursiveFileFinder(_fileSystem, x)),
hashes.Select(x => x()),
_output,
history,
new TaskbarProgress());
return new FindDuplicatesCommand(_output,
finder,
deletionSelector,
deleter);
}
