/// <summary>
/// Sorting books by some tag
/// </summary>
/// <param name="books"></param>
/// <param name="tag"></param>
/// <returns></returns>
private static ICollection <Book> SortBooksByTag(ICollection <Book> books, BookListService.Tag tag)
{
try
{
ICollection <Book> sortedBooks = BookListService.SortBooksByTag(books, BookListService.Tag.Year).ToList();
logger.Info("Book collection successfully sorted");
return(sortedBooks);
}
catch (Exception ex)
{
logger.Warn($"Book collection sorting exception: {ex}");
return(null);
}
}
/// <summary>
/// Find book by some tag value
/// </summary>
/// <param name="books"></param>
/// <param name="tag"></param>
/// <param name="value"></param>
/// <returns></returns>
private static Book FindBookByTag(ICollection <Book> books, BookListService.Tag tag, object value)
{
try
{
Book findBook = BookListService.FindBookByTag(books, BookListService.Tag.Title, value);
if (findBook != null)
{
logger.Info($"Succesfully find book by {tag} with value \"{value}\"");
}
else
{
logger.Info($"Book collection doesn't contain book with tag {tag} value \"{value}\"");
}
return(findBook);
}
catch (Exception ex)
{
logger.Warn($"Book finding exception: {ex}");
return(null);
}
}
