/// <summary>
/// default constructor
/// </summary>
public DetailsPageViewModel()
{
Details = new ImportantDetails()
{
Pages = 0,
Title = "nincs adat",
AuthorName = "nincs adat",
AuthorUrl = "nincs adat"
};
_searchService = new SearchService();
}
/// <summary>
/// create the good url for the api call, and call the service function with it. And make the new detailsBook with the result
/// </summary>
public async Task GetData()
{
String newUrl;
if (BookEntity.Isbn.Length > 0)
{
newUrl = ("/api/books?bibkeys=ISBN:" + BookEntity.Isbn[0] + "&jscmd=data&format=json");
}
else if (BookEntity.Lccn.Length > 0)
{
newUrl = ("/api/books?bibkeys=LCCN:" + BookEntity.Lccn[0] + "&jscmd=data&format=json");
}
else if (BookEntity.Oclc.Length > 0)
{
newUrl = ("/api/books?bibkeys=OCLC:" + BookEntity.Oclc[0] + "&jscmd=data&format=json");
}
else
{
throw new Exception("wrong url for details");
}
var result = await _searchService.GetDetails(newUrl);
ImageSource imgt;
if (result.Cover != null)
{
imgt = _searchService.GetImgFromUrl(result.Cover.Large);
}
else
{
imgt = _searchService.GetImgFromUrl(null);
}
ImportantDetails temp = new ImportantDetails
{
Img = imgt,
Pages = result.Number_of_pages,
Title = "nincs adat",
ImageL = "nincs adat",
ImageM = "nincs adat",
AuthorName = "nincs adat",
AuthorUrl = "nincs adat"
};
if (result.Title != null)
{
temp.Title = result.Title;
}
if (result.Cover != null)
{
temp.ImageL = result.Cover.Large;
temp.ImageM = result.Cover.Medium;
}
if (result.Authors.Length > 0)
{
temp.AuthorName = result.Authors[0].Name;
temp.AuthorUrl = result.Authors[0].Url;
}
Details = temp;
}
