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@ -1,37 +1,75 @@
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using Model;
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using System.Collections.ObjectModel;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Windows.Input;
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using ToolKit;
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namespace VMWrapper
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{
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public class BooksViewModel
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public class BooksViewModel: BaseViewModel
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{
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private readonly ILibraryManager data;
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private readonly IUserLibraryManager userLibraryManager;
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public ObservableCollection<AuteurGroup> AuteurGroups { get; private set; } =
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new ObservableCollection<AuteurGroup>();
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private long _totalBooks;
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public long TotalBooks
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{
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get { return _totalBooks; }
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set
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{
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_totalBooks = value;
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OnPropertyChanged();
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}
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}
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private long _totalAuthors;
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public long TotalAuthors
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{
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get { return _totalAuthors; }
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set
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{
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_totalAuthors = value;
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OnPropertyChanged();
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}
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}
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public BooksViewModel(ILibraryManager data)
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public ObservableCollection<AuteurGroup> AuteurGroups { get; set; }
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private ICommand _removeBookCommand;
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public ICommand RemoveBookCommand =>
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_removeBookCommand ??= new CommandPersonnal<string>(
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async (bookId) => await RemoveBookById(bookId)
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);
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public BooksViewModel(ILibraryManager data, IUserLibraryManager userLibraryManager)
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{
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this.data = data;
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this.userLibraryManager = userLibraryManager;
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AuteurGroups = new ObservableCollection<AuteurGroup>();
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LoadBooksAsync();
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}
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private async void LoadBooksAsync()
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public async Task LoadBooksAsync()
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{
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try
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{
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var (totalA, authors) = await data.GetAuthorsByName("", 0, 5);
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TotalAuthors = totalA;
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foreach (Author author in authors)
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{
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var books = data.GetBooksByAuthor(author.Name, 0, 5).Result.Item2;
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var (totalB, books) = data.GetBooksByAuthor(author.Name, 0, 5).Result;
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TotalBooks += totalB;
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var observableBooks = new ObservableCollection<Book>(books);
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AuteurGroups.Add(new AuteurGroup(author.Name, observableBooks));
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}
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}
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catch (Exception ex)
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{
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System.Diagnostics.Debug.WriteLine(ex.Message);
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Debug.WriteLine(ex.Message);
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}
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}
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@ -45,5 +83,29 @@ namespace VMWrapper
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Name = name;
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}
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}
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public async Task RemoveBookById(string bookId)
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{
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await userLibraryManager.RemoveBook(bookId);
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for (int i = AuteurGroups.Count - 1; i >= 0; i--)
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{
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var group = AuteurGroups[i];
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var bookToRemove = group.FirstOrDefault(book => book.Id == bookId);
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if (bookToRemove != null)
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{
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group.Remove(bookToRemove);
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if (group.Count == 0)
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{
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AuteurGroups.RemoveAt(i);
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}
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break;
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}
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}
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OnPropertyChanged(nameof(AuteurGroups));
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}
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}
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}
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