//Call API Repository to get all books or the next page
private async Task GetBooks(string keyword, int currentPage)
{
if (string.IsNullOrEmpty(keyword))
{
CustomActionSheets actionSheet = null;
var btcolor = (Color)App.Current.Resources[ColorKeys.Primary];
actionSheet = new CustomActionSheets(Labels.Labels.NotValidWord, new System.Tuple <Command, string, Color, Color, Color>[] {
new System.Tuple <Command, string, Color, Color, Color>(new Command(async() =>
{
await actionSheet.PopPopupAsync();
}),
Labels.Labels.OK, btcolor, Color.White, btcolor)
});
await actionSheet.DisplayActionSheet();
return;
}
IsBusy = true;
var books = await new ApiRepository().GetBooksByKeyword(keyword, currentPage);
if (currentPage == 0)
{
_keywordBackup = keyword;
page = 0;
Books.Clear();
}
if (!books.Success || books.Items == null)
{
CustomActionSheets actionSheet = null;
var btcolor = (Color)App.Current.Resources[ColorKeys.Primary];
actionSheet = new CustomActionSheets(Labels.Labels.NoMoreResults, new System.Tuple <Command, string, Color, Color, Color>[] {
new System.Tuple <Command, string, Color, Color, Color>(new Command(async() =>
{
await actionSheet.PopPopupAsync();
}),
Labels.Labels.OK, btcolor, Color.White, btcolor)
});
await actionSheet.DisplayActionSheet();
IsBusy = false;
return;
}
books.Items.ToList().ForEach(b =>
{
if (string.IsNullOrWhiteSpace(b.VolumeInfo.ImageLinks?.SmallThumbnail) || string.IsNullOrWhiteSpace(b.VolumeInfo.ImageLinks?.Thumbnail))
{
b.VolumeInfo.ImageLinks = new Models.Common.ImageLinks()
{
Thumbnail = (string)App.Current.Resources[IconKeys.Book],
SmallThumbnail = (string)App.Current.Resources[IconKeys.Book]
};
}
Books.Add(b);
});
IsBusy = false;
page++;
}
public async Task OnOpenLink()
{
string link = Book.VolumeInfo.PreviewLink;
var btcolor = (Color)App.Current.Resources[ColorKeys.Primary];
if (string.IsNullOrEmpty(link))
{
CustomActionSheets invalidActionSheet = null;
invalidActionSheet = new CustomActionSheets(Labels.Labels.LinkNotAvailable, new System.Tuple <Command, string, Color, Color, Color>[] {
new System.Tuple <Command, string, Color, Color, Color>(new Command(async() =>
{
await invalidActionSheet.PopPopupAsync();
}),
Labels.Labels.OK, btcolor, Color.White, btcolor)
});
await invalidActionSheet.DisplayActionSheet();
return;
}
CustomActionSheets actionSheet = null;
actionSheet = new CustomActionSheets(Labels.Labels.HowOpen, new System.Tuple <Command, string, Color, Color, Color>[] {
new System.Tuple <Command, string, Color, Color, Color>(new Command(async() =>
{
await Launcher.OpenAsync(new System.Uri(link));
await actionSheet.PopPopupAsync();
}),
Labels.Labels.PhoneBrowser, btcolor, Color.White, btcolor),
new System.Tuple <Command, string, Color, Color, Color>(new Command(async() =>
{
var webPage = new WebPageView(link);
await Navigation.PushAsync(webPage);
await actionSheet.PopAllPopupAsync();
}),
Labels.Labels.App, btcolor, Color.White, btcolor)
});
await actionSheet.DisplayActionSheet();
return;
}