// Method: Get booklist from json (url) and Search for book by title or author, return list of Book
public async Task <IEnumerable <IBook> > GetBooksAsync(string searchString)
{
var uri = "https://raw.githubusercontent.com/contribe/contribe/dev/arbetsprov-net/books.json";
using (HttpClient httpClient = new HttpClient())
{
var response = await httpClient.GetAsync(uri);
var jsonData = await response.Content.ReadAsStringAsync();
BookCollection books = new BookCollection();
if (!string.IsNullOrEmpty(jsonData))
{
// Convert jsondata to a serie of objects
books = JsonConvert.DeserializeObject <BookCollection>(jsonData);
}
IEnumerable <IBook> searchResults = null;
if (!String.IsNullOrWhiteSpace(searchString))
{
searchResults = GetBookByTitleOrAuthor(searchString, books);
}
string session = JsonConvert.SerializeObject(searchResults);
System.Web.HttpContext.Current.Session["searchResultsInSession"] = session;
return(searchResults);
}
}
// Method: Filter books by search string
public IEnumerable <IBook> GetBookByTitleOrAuthor(string searchString, BookCollection bookstore)
{
IEnumerable <IBook> searchResults = null;
if (!String.IsNullOrEmpty(searchString))
{
searchResults = bookstore.Books.Where(s => (s.Title.ToLower().Contains(searchString.ToLower())) || (s.Author.ToLower().Contains(searchString.ToLower()))).ToList();
}
return(searchResults);
}