protected override void OnAppearing()
{
base.OnAppearing();
var vm = new BooksPageViewModel();
vm.Initialize();
BindingContext = vm;
}
public BooksPage()
{
var bookStore = new BookStoreService();
var pageService = new PageService();
ViewModel = new BooksPageViewModel(bookStore, pageService);
InitializeComponent();
ViewModel.LoadBooksCommand.Execute(null);
}
private async Task <BooksPageViewModel> GetBooksPage(int page)
{
IQueryable <Book> source = _db.Books.Where(b => b.Quantity > 0);
int count = await source.CountAsync();
int totalPages = (int)Math.Ceiling(count / (double)_pageSize);
if (page < 1)
{
page = 1;
}
else if (page > totalPages)
{
page = totalPages;
}
var books = await source.Skip((page - 1) *_pageSize).Take(_pageSize).ToListAsync();
BooksPageViewModel pageViewModel = new BooksPageViewModel(page, _pageSize, totalPages, books);
return(pageViewModel);
}
public BooksPage()
{
InitializeComponent();
DataContext = new BooksPageViewModel();
}
public BooksPage(string genrePath)
{
InitializeComponent();
vm = new BooksPageViewModel(genrePath);
BindingContext = vm;
}
public BooksPage()
{
InitializeComponent();
vm = new BooksPageViewModel();
BindingContext = vm;
}