/// <summary>
/// Initialize a new instance of <see cref="BookListService"/>
/// </summary>
/// <param name="bookRepository">Books storage</param>
public BookListService(IBookRepository bookRepository)
{
if (bookRepository == null)
{
BookLogger.Fatal($"{nameof(bookRepository)} is null value");
throw new ArgumentNullException(nameof(bookRepository));
}
this._bookRepository = bookRepository;
BookLogger.Debug($"{nameof(BookListService)} was created");
}
/// <summary>
/// Gets instance of books storage
/// </summary>
/// <param name="fileStorage">Source file name</param>
public BookListStorage(string fileStorage)
{
if (string.IsNullOrWhiteSpace(fileStorage))
{
throw new ArgumentNullException($"{nameof(fileStorage)}");
}
this._fileStorage = fileStorage;
this._listBooks = this.Load();
if (_listBooks == null)
{
BookLogger.Fatal($"{nameof(BookListStorage)} wasn't created");
throw new ArgumentNullException(nameof(_listBooks));
}
BookLogger.Debug($"{nameof(BookListStorage)} was created");
}