public async Task <ActionResult <ICollection <BookDetailedViewModel> > > GetBookPage(int pageNo)
{
if (pageNo < 1)
{
return(BadRequest("Wrong page number."));
}
var books = await bookService.GetAll()
.Skip((pageNo - 1) * ControllersConstants.ItemsOnPageCount)
.Take(ControllersConstants.ItemsOnPageCount)
.Include(b => b.Author)
.ToListAsync();
if (books == null)
{
return(NotFound($"Page with number '{pageNo}' is empty."));
}
var bookViewModels = mapper.Map <ICollection <BookDetailedViewModel> >(books);
foreach (var bookViewModel in bookViewModels)
{
var categories = await bookCategoryService.GetCategoriesAsync(bookViewModel.Id);
bookViewModel.Categories = mapper.Map <ICollection <CategoryViewModel> >(categories);
}
return(Ok(bookViewModels));
}
