public async Task <ActionResult> Index()
{
var dashboardViewModel = new DashboardViewModel()
{
TopBooksByPrice = await _bookServices.GetAsync(orderBy : x => x.OrderByDescending(b => b.Price), page : 1, pageSize : 3),
TopCategoriesByBook = await _categoryService.GetAsync(orderBy : x => x.OrderByDescending(b => b.Books.Count), page : 1, pageSize : 3),
TopAuthorsByBook = await _authorService.GetAsync(orderBy : x => x.OrderByDescending(b => b.Books.Count), page : 1, pageSize : 3),
TopPublishersByBook = await _publisherService.GetAsync(orderBy : x => x.OrderByDescending(b => b.Books.Count), page : 1, pageSize : 3),
TopBooksByComment = await _bookServices.GetAsync(orderBy : x => x.OrderByDescending(b => b.Reviews.Count), page : 1, pageSize : 3),
TotalBooks = await _bookServices.CountAsync(),
TotalCategories = await _categoryService.CountAsync(),
TotalAuthors = await _authorService.CountAsync(),
TotalPublishers = await _publisherService.CountAsync(),
TotalComments = await _bookReviewService.CountAsync(),
};
return(View(dashboardViewModel));
}