public async Task <IActionResult> Books(int id)
{
var category = await this.categoryService.GetByIdAsync(id);
if (category == null)
{
this.TempData.AddErrorMessage(WebAdminConstants.CategoryNotFound);
return(this.RedirectToAction(nameof(Index)));
}
var books = bookService.GetBooksByCategoryId(id);
return(this.View(books));
}
