PocketBook/Sources/VMWrapper/BookViewModel.cs

using Model;
using System;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Runtime.CompilerServices;
using System.Xml.Linq;

namespace VMWrapper
{
    // All the code in this file is included in all platforms.
    public class BookViewModel : INotifyPropertyChanged
    {
        ILibraryManager data;


        public ObservableCollection<Author> authorList { get; private set; } = new ObservableCollection<Author>();
        public ObservableCollection<Book> bookList { get; private set; } = new ObservableCollection<Book>();
        public ObservableCollection<AuteurGroup> AuteurGroups { get; private set; } = new ObservableCollection<AuteurGroup>();
        public event PropertyChangedEventHandler PropertyChanged;

        public BookViewModel(ILibraryManager data) 
        {
            this.data = data;
            GetAuthors();
        }

     

        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }

        public class AuteurGroup : ObservableCollection<Book>
        {
            public string Name { get; private set; }

            public AuteurGroup(string name, ObservableCollection<Book> books): base(books)
            {
                Name = name;
            }
        }

        public void GetBooks()
        {
            var objet = data.GetBooksByAuthor("", 0, 8);
            var ojb = objet.Result.Item2;

            /*foreach (Book Book in ojb)
            {
                AuteurGroups.Add(new AuteurGroup(Book.Authors.Name, auteur.Books));
            }

            ObservableCollection<Auteur> auteurs = new Stub().CreateStubData();
            foreach (Auteur auteur in auteurs)
            {
                AuteurGroups.Add(new AuteurGroup(auteur.Name, auteur.Books));
            }
            */

        }


        public void GetAuthors()
        {
            var objet =  data.GetAuthorsByName("",0,10);
            var ojb = objet.Result.Item2;

            authorList.Clear();
            foreach (var author in ojb)
            {
                authorList.Add(author);
            }
        }

 

        public async Task<ObservableCollection<Book>> GetBooksByTitle()
        {
            var objet = await data.GetBooksByTitle("", 0, 9);
            var ojb = objet.Item2;

            return new ObservableCollection<Book>(ojb);
        }


    }
}