private void DropFileInCategory(object sender, DragEventArgs e)
        {
            ImageService imgService = new ImageService();
            string[] fileList = e.Data.GetData(DataFormats.FileDrop) as string[];
            string fileextension = Path.GetExtension(fileList[0]);
            if (fileextension != ".pdf")
            {
                MessageBox.Show("Not allowed Drag'n'Drop for this file type");
            }
            else
            {
                string filename = Path.GetFileNameWithoutExtension(fileList[0]);
                string pathtofile = Path.GetFullPath(fileList[0]);
               
                string pathtobookimage = imgService.GenerateImage(pathtofile);
                FileInfo fileToAdd = new FileInfo(pathtofile);
                int size = (int)fileToAdd.Length;

                var book = new Book()
                {
                    Name = filename,
                    FileType = fileextension,
                    Path = pathtofile,
                    PathToBookImg = pathtobookimage,
                    Author = "Unknown Author",
                    Size = size
                };
                Debug.WriteLine(book.Name);
                _categoriesRepository = IoCManager.Kernel.Get<IRepository<Category>>();
                var concreteCategory = _categoriesRepository.GetByQery(q => q.Name == "Foreign Literature");
                concreteCategory.FirstOrDefault().Books.Add(book);
                _categoriesRepository.SaveChanges();
                MessageBox.Show("Book was added");
            }
        }
        private void AddBook()
        {
            BookServices bookServices = new BookServices();
            OpenFileDialog openFileDialog = new OpenFileDialog
            {
                Filter = Searchfilter
            };
            openFileDialog.ShowDialog();

            _pathToFile = bookServices.MoveBookToBookShelfFolder(Path.GetFullPath(openFileDialog.FileName));

            FileInfo fileToAdd = new FileInfo(_pathToFile);
            int size = (int)fileToAdd.Length;

            string fileType = Path.GetExtension(openFileDialog.FileName);
            if (fileType == ".pdf")
            {
                //TODO Convert this in separete method to avoid code duplication
                //Implementation of template Method
                ImageService imageService = new ImageService();
                _pathtobookimage = imageService.GenerateImage(_pathToFile);
            }

            var book = new Book()
            {
                Name = Path.GetFileNameWithoutExtension(openFileDialog.FileName),
                FileType = fileType,
                Path = _pathToFile,
                PathToBookImg = _pathtobookimage,
                Author = "Unknown Author",
                Size = size
            };

            _bookRepository.Add(book);
            _bookRepository.SaveChanges();

            var allbooks = _bookRepository.GetAll();
            Books = new ObservableCollection<Book>(allbooks);
        }
 private void DeleteBookCover()
 {
     ImageService service = new ImageService();
     service.DeleteBookPicture(_selectedBook.PathToBookImg);
 }