classes.cs

using System.Collections.Generic;
using System.IO;
using System.Linq;
using FubuCore;

namespace FubuMVC.Spark
{
    public interface ISparkScanner
    {
        IEnumerable<string> Scan();
    }
    public interface IScannerFilter
    {
        void Include(string pattern);
        void Exclude(string pattern);
        FileSet ToFileSet();
    }

    public interface IScanSources
    {
        void RegisterSource(string path);
        IEnumerable<string> Sources();
    }

    public class SparkScanner : ISparkScanner
    {
        private readonly IFileSystem _fileSystem;
        private readonly IScannerFilter _scannerFilter;
        private readonly IScanSources _sources;

        public SparkScanner(IFileSystem fileSystem, IScannerFilter scannerFilter, IScanSources sources)
        {
            _fileSystem = fileSystem;
            _sources = sources;
            _scannerFilter = scannerFilter;
        }

        public IEnumerable<string> Scan()
        {
            var set = _scannerFilter.ToFileSet();
            var sources = _sources.Sources();
            var files = sources.SelectMany(root => _fileSystem.FindFiles(root, set));
            return files;
        }
    }

    public interface ISparkItemLocator
    {
        IEnumerable<SparkItem> FindAll();
    }

    public interface ISparkItemBuilder
    {
        SparkItem Build(string path);
    }

    public class SparkItem
    {
        public string FilePath { get; set; }
        public SparkItemCategory Category { get; set; }
        public string Name { get { return Path.GetFileName(FilePath); } }
    }

    public enum SparkItemCategory
    {
    }

    public class SparkItemLocator : ISparkItemLocator
    {
        private readonly ISparkScanner _scanner;
        private readonly ISparkItemBuilder _builder;

        public SparkItemLocator(ISparkScanner scanner, ISparkItemBuilder builder)
        {
            _scanner = scanner;
            _builder = builder;
        }

        public IEnumerable<SparkItem> FindAll()
        {
            var files = _scanner.Scan();
            var items = files.Select(_builder.Build);
            return items;
        }
    }
}