/CBR/CBR.Core/Services/BookServiceFactory.cs

using System;

using System.IO;

using CBR.Core.Files;

using CBR.Core.Models;

using CBR.Core.Helpers;



namespace CBR.Core.Services

{

    public class BookServiceFactory

    {

        #region ----------------SINGLETON----------------



		public static readonly BookServiceFactory Instance = new BookServiceFactory();



		/// <summary>

		/// Private constructor for singleton pattern

		/// </summary>

        private BookServiceFactory()

		{

		}



		#endregion



        public BookServiceBase GetService(Book bk)

        {

            if (bk == null)

                return new BookServiceBase();

            else

                return GetService(bk.FilePath);

        }



        public BookServiceBase GetService(string filePath)

        {

            return (BookServiceBase)Activator.CreateInstance(

                FileService.Instance.FindBookFilterByExt(Path.GetExtension(filePath)).Service

                );

        }



        //public ViewModelBase GetViewModel(Book bk)

        //{

        //    try

        //    {

        //        return GetViewModel(bk.FilePath);

        //    }

        //    catch (Exception err)

        //    {

        //        ExceptionHelper.Manage("BookServiceFactory:GetViewModel", err);

        //        return null;

        //    }

        //}



        //public ViewModelBase GetViewModel(string filePath)

        //{

        //    FileExtension fe = FileExtensionManager.Instance.FindBookFilterByExt(Path.GetExtension(filePath));

        //    if (fe != null)

        //        return (ViewModelBase)new ReflectionHelper().CreateInstance(fe.ViewModel);

        //    else

        //        return null;

        //}



        public string GetViewModel(Book bk)

        {

            try

            {

                return GetViewModel(bk.FilePath);

            }

            catch (Exception err)

            {

                ExceptionHelper.Manage("BookServiceFactory:GetViewModel", err);

                return string.Empty;

            }

        }



        public string GetViewModel(string filePath)

        {

            FileExtension fe = FileService.Instance.FindBookFilterByExt(Path.GetExtension(filePath));

            if (fe != null)

                return fe.ViewModel;

            else

                return string.Empty;

        }

    }

}