From 5c9c0e67fb560475c5f4c394aac749dc597b4651 Mon Sep 17 00:00:00 2001
From: lobroda <lou.broda@etu.uca.fr>
Date: Tue, 17 Oct 2023 12:14:13 +0100
Subject: [PATCH] ADD : Loan & Borrowing selection fonctionnel (ALirePlusTard
 Book Details ToDo)

---
 LivreLand/AppShell.xaml.cs                    |  1 +
 LivreLand/LivreLand.csproj                    |  3 ++
 LivreLand/View/ALirePlusTardView.xaml         |  4 +-
 LivreLand/View/ALirePlusTardView.xaml.cs      |  5 ---
 LivreLand/View/AddBookView.xaml               | 12 ++++++
 LivreLand/View/AddBookView.xaml.cs            |  9 ++++
 .../ContentViews/PopupHomePlusButtonView.xaml |  4 ++
 LivreLand/View/DetailsLivreView.xaml          | 28 ++++++-------
 LivreLand/View/EmpruntsPretsView.xaml         |  8 +++-
 LivreLand/View/EmpruntsPretsView.xaml.cs      |  5 ---
 LivreLand/View/StatutLectureView.xaml         |  4 +-
 LivreLand/View/StatutLectureView.xaml.cs      |  5 ---
 LivreLand/ViewModel/ALirePlusTardVM.cs        | 20 ++++++++-
 LivreLand/ViewModel/DetailsLivreVM.cs         |  8 ++++
 LivreLand/ViewModel/EmpruntsPretsVM.cs        | 42 ++++++++++++++++++-
 LivreLand/ViewModel/StatutLectureVM.cs        | 20 ++++++++-
 LivreLand/ViewModel/TousVM.cs                 |  1 +
 ViewModels/BookVM.cs                          |  6 +++
 ViewModels/ManagerVM.cs                       | 37 ++++++++++++++++
 19 files changed, 186 insertions(+), 36 deletions(-)
 create mode 100644 LivreLand/View/AddBookView.xaml
 create mode 100644 LivreLand/View/AddBookView.xaml.cs

diff --git a/LivreLand/AppShell.xaml.cs b/LivreLand/AppShell.xaml.cs
index 3a9374d..363e8d7 100644
--- a/LivreLand/AppShell.xaml.cs
+++ b/LivreLand/AppShell.xaml.cs
@@ -16,6 +16,7 @@ public partial class AppShell : Shell
 		Routing.RegisterRoute("library/note/", typeof(FiltrageNoteView));
 		Routing.RegisterRoute("library/contacts/", typeof(ContactsView));
         Routing.RegisterRoute("library/tous/details/", typeof(DetailsLivreView));
+        Routing.RegisterRoute("library/add/", typeof(AddBookView));
         InitializeComponent();
 	}
 }
diff --git a/LivreLand/LivreLand.csproj b/LivreLand/LivreLand.csproj
index 47c0609..e044fb1 100644
--- a/LivreLand/LivreLand.csproj
+++ b/LivreLand/LivreLand.csproj
@@ -65,6 +65,9 @@
 	</ItemGroup>
 
 	<ItemGroup>
+	  <MauiXaml Update="View\AddBookView.xaml">
+	    <Generator>MSBuild:Compile</Generator>
+	  </MauiXaml>
 	  <MauiXaml Update="View\ALirePlusTardView.xaml">
 	    <Generator>MSBuild:Compile</Generator>
 	  </MauiXaml>
diff --git a/LivreLand/View/ALirePlusTardView.xaml b/LivreLand/View/ALirePlusTardView.xaml
index dbfe0b9..3479dfe 100644
--- a/LivreLand/View/ALirePlusTardView.xaml
+++ b/LivreLand/View/ALirePlusTardView.xaml
@@ -42,8 +42,10 @@
                            Grid.Column="1"/>
                 </Grid>
                 <CollectionView ItemsSource="{Binding ALirePlusTardVM.Manager.ToBeReadBooks}"
+                                SelectedItem="{Binding ALirePlusTardVM.Manager.SelectedBook}"
                                 SelectionMode="Single"
-                                SelectionChanged="OnSelectionChanged"
+                                SelectionChangedCommand="{Binding ALirePlusTardVM.OnSelectionChangedCommand}"
+                                SelectionChangedCommandParameter="{Binding ALirePlusTardVM.Manager.SelectedBook}"
                                 Grid.Row="2">
                     <CollectionView.ItemTemplate>
                         <DataTemplate x:DataType="viewModel:BookVM">
diff --git a/LivreLand/View/ALirePlusTardView.xaml.cs b/LivreLand/View/ALirePlusTardView.xaml.cs
index 3d54260..e7f43e7 100644
--- a/LivreLand/View/ALirePlusTardView.xaml.cs
+++ b/LivreLand/View/ALirePlusTardView.xaml.cs
@@ -24,11 +24,6 @@ public partial class ALirePlusTardView : ContentPage
 
     #region Methods
 
-    void OnSelectionChanged(object sender, SelectionChangedEventArgs e)
-    {
-        //App.Current.MainPage.Navigation.PushAsync(new DetailsLivreView());
-    }
-
     protected override void OnAppearing()
     {
         base.OnAppearing();
diff --git a/LivreLand/View/AddBookView.xaml b/LivreLand/View/AddBookView.xaml
new file mode 100644
index 0000000..fa59fda
--- /dev/null
+++ b/LivreLand/View/AddBookView.xaml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="LivreLand.View.AddBookView"
+             Title="AddBookView">
+    <VerticalStackLayout>
+        <Label 
+            Text="Welcome to .NET MAUI!"
+            VerticalOptions="Center" 
+            HorizontalOptions="Center" />
+    </VerticalStackLayout>
+</ContentPage>
\ No newline at end of file
diff --git a/LivreLand/View/AddBookView.xaml.cs b/LivreLand/View/AddBookView.xaml.cs
new file mode 100644
index 0000000..e08baaa
--- /dev/null
+++ b/LivreLand/View/AddBookView.xaml.cs
@@ -0,0 +1,9 @@
+namespace LivreLand.View;
+
+public partial class AddBookView : ContentPage
+{
+	public AddBookView()
+	{
+		InitializeComponent();
+	}
+}
\ No newline at end of file
diff --git a/LivreLand/View/ContentViews/PopupHomePlusButtonView.xaml b/LivreLand/View/ContentViews/PopupHomePlusButtonView.xaml
index 0c99d19..8185e04 100644
--- a/LivreLand/View/ContentViews/PopupHomePlusButtonView.xaml
+++ b/LivreLand/View/ContentViews/PopupHomePlusButtonView.xaml
@@ -26,6 +26,10 @@
                   Margin="10,5,10,5">
                 <Label Text="Ajouter un livre"
                        Style="{StaticResource MasterStateBookText}"/>
+                <Grid.GestureRecognizers>
+                    <TapGestureRecognizer Command="{Binding Navigator.NavigationCommand}" 
+                                          CommandParameter="/add"/>
+                </Grid.GestureRecognizers>
             </Grid>
 
             <contentView:SeparatorEntireView Grid.Row="1"/>
diff --git a/LivreLand/View/DetailsLivreView.xaml b/LivreLand/View/DetailsLivreView.xaml
index de63294..2e3ff4c 100644
--- a/LivreLand/View/DetailsLivreView.xaml
+++ b/LivreLand/View/DetailsLivreView.xaml
@@ -22,7 +22,7 @@
                              HeaderSwitchButtonVisible="False"
                              HeaderColor="{StaticResource HeaderGray}"
                              ButtonPlusTappedCommand="{Binding DetailsLivreVM.Navigator.PopupHomePlusNavigationCommand}"
-                             ButtonBackTappedCommand="{Binding DetailsLivreVM.Navigator.PopupBackButtonNavigationCommand}"/>
+                             ButtonBackTappedCommand="{Binding DetailsLivreVM.BackButtonCommand}"/>
             <contentView:SeparatorEntireView/>
         </VerticalStackLayout>
 
@@ -140,31 +140,31 @@
                             <RowDefinition Height="auto"/>
                             <RowDefinition Height="auto"/>
                         </Grid.RowDefinitions>
-                        <Grid.ColumnDefinitions>
-                            <ColumnDefinition Width="auto"/>
-                            <ColumnDefinition Width="auto"/>
-                        </Grid.ColumnDefinitions>
-                        
+
                         <Label Text="Maison d'édition"
                                Style="{StaticResource DetailsLivreTitle}"
-                               Grid.Row="0"
-                               Grid.Column="0"/>
-                        <Grid Grid.Row="1"
-                              Grid.Column="1">
-                            <CollectionView ItemsSource="{Binding DetailsLivreVM.Book.Publishers}">
+                               Grid.Row="0"/>
+                        <Grid Grid.Row="1">
+                            <Grid.ColumnDefinitions>
+                                <ColumnDefinition Width="auto"/>
+                                <ColumnDefinition Width="auto"/>
+                            </Grid.ColumnDefinitions>
+                            <CollectionView ItemsSource="{Binding DetailsLivreVM.Book.Publishers}"
+                                            Grid.Column="0">
                                 <CollectionView.ItemsLayout>
                                     <LinearItemsLayout Orientation="Horizontal" />
                                 </CollectionView.ItemsLayout>
                                 <CollectionView.ItemTemplate>
                                     <DataTemplate>
-                                        <Label Text="oui"
+                                        <Label Text="{Binding .}"
                                                Style="{StaticResource DetailsLivreBody}"
                                                Margin="0,0,5,0"
                                                Grid.Row="1"/>
                                     </DataTemplate>
                                 </CollectionView.ItemTemplate>
                             </CollectionView>
-                            <Label Text="{Binding DetailsLivreVM.Book.PublishDate,StringFormat=' ({0:yyyy})'}"/>
+                            <Label Text="{Binding DetailsLivreVM.Book.PublishDate,StringFormat=' ({0:yyyy})'}"
+                                   Grid.Column="1"/>
                         </Grid>
                     </Grid>
 
@@ -223,7 +223,7 @@
                             <Label Text="Langue"
                                    Style="{StaticResource DetailsLivreBody}"
                                    Grid.Column="0"/>
-                            <Label Text="français"
+                            <Label Text="{Binding DetailsLivreVM.Book.Language}"
                                    Style="{StaticResource DetailsLivreBody}"
                                    Grid.Column="2"/>
                         </Grid>
diff --git a/LivreLand/View/EmpruntsPretsView.xaml b/LivreLand/View/EmpruntsPretsView.xaml
index f282311..630c038 100644
--- a/LivreLand/View/EmpruntsPretsView.xaml
+++ b/LivreLand/View/EmpruntsPretsView.xaml
@@ -33,8 +33,10 @@
         <ScrollView Grid.Row="4">
             <Grid>
                 <CollectionView ItemsSource="{Binding EmpruntsPretsVM.Manager.AllCurrentLoans}"
+                                SelectedItem="{Binding EmpruntsPretsVM.Manager.SelectedLoan}"
                                 SelectionMode="Single"
-                                SelectionChanged="OnSelectionChanged"
+                                SelectionChangedCommand="{Binding EmpruntsPretsVM.OnSelectionLoanChangedCommand}"
+                                SelectionChangedCommandParameter="{Binding EmpruntsPretsVM.Manager.SelectedBook}"
                                 IsVisible="{Binding EmpruntsPretsVM.PretCollectionIsVisible}">
                     <CollectionView.ItemTemplate>
                         <DataTemplate x:DataType="viewModel:LoanVM">
@@ -109,8 +111,10 @@
                     </CollectionView.ItemTemplate>
                 </CollectionView>
                 <CollectionView ItemsSource="{Binding EmpruntsPretsVM.Manager.AllCurrentBorrowings}"
+                                SelectedItem="{Binding EmpruntsPretsVM.Manager.SelectedBorrowing}"
                                 SelectionMode="Single"
-                                SelectionChanged="OnSelectionChanged"
+                                SelectionChangedCommand="{Binding EmpruntsPretsVM.OnSelectionBorrowingChangedCommand}"
+                                SelectionChangedCommandParameter="{Binding EmpruntsPretsVM.Manager.SelectedBorrowing}"
                                 IsVisible="{Binding EmpruntsPretsVM.EmpruntCollectionIsVisible}">
                     <CollectionView.ItemTemplate>
                         <DataTemplate x:DataType="viewModel:BorrowingVM">
diff --git a/LivreLand/View/EmpruntsPretsView.xaml.cs b/LivreLand/View/EmpruntsPretsView.xaml.cs
index 0b682c3..90bc22b 100644
--- a/LivreLand/View/EmpruntsPretsView.xaml.cs
+++ b/LivreLand/View/EmpruntsPretsView.xaml.cs
@@ -24,11 +24,6 @@ public partial class EmpruntsPretsView : ContentPage
 
     #region Methods
 
-    void OnSelectionChanged(object sender, SelectionChangedEventArgs e)
-    {
-        //App.Current.MainPage.Navigation.PushAsync(new DetailsLivreView());
-    }
-
     protected override void OnAppearing()
     {
         base.OnAppearing();
diff --git a/LivreLand/View/StatutLectureView.xaml b/LivreLand/View/StatutLectureView.xaml
index 2cd5b89..8ada426 100644
--- a/LivreLand/View/StatutLectureView.xaml
+++ b/LivreLand/View/StatutLectureView.xaml
@@ -27,8 +27,10 @@
         <ScrollView Grid.Row="4">
             <Grid>
                 <CollectionView ItemsSource="{Binding StatutLectureVM.Manager.AllBooks}"
+                                SelectedItem="{Binding StatutLectureVM.Manager.SelectedBook}"
                                 SelectionMode="Single"
-                                SelectionChanged="OnSelectionChanged"
+                                SelectionChangedCommand="{Binding StatutLectureVM.OnSelectionChangedCommand}"
+                                SelectionChangedCommandParameter="{Binding StatutLectureVM.Manager.SelectedBook}"
                                 Grid.Row="2">
                     <CollectionView.GroupHeaderTemplate>
                         <DataTemplate x:DataType="viewModel:BookVM">
diff --git a/LivreLand/View/StatutLectureView.xaml.cs b/LivreLand/View/StatutLectureView.xaml.cs
index 09f3ea1..ef77f83 100644
--- a/LivreLand/View/StatutLectureView.xaml.cs
+++ b/LivreLand/View/StatutLectureView.xaml.cs
@@ -31,10 +31,5 @@ public partial class StatutLectureView : ContentPage
         StatutLectureVM.Manager.GetBooksFromCollectionCommand.Execute(null);
     }
 
-    void OnSelectionChanged(object sender, SelectionChangedEventArgs e)
-    {
-        //App.Current.MainPage.Navigation.PushAsync(new DetailsLivreView());
-    }
-
     #endregion
 }
\ No newline at end of file
diff --git a/LivreLand/ViewModel/ALirePlusTardVM.cs b/LivreLand/ViewModel/ALirePlusTardVM.cs
index 1b72def..2e3fb45 100644
--- a/LivreLand/ViewModel/ALirePlusTardVM.cs
+++ b/LivreLand/ViewModel/ALirePlusTardVM.cs
@@ -1,9 +1,11 @@
-using PersonalMVVMToolkit;
+using LivreLand.View;
+using PersonalMVVMToolkit;
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows.Input;
 using ViewModels;
 
 namespace LivreLand.ViewModel
@@ -16,6 +18,8 @@ namespace LivreLand.ViewModel
 
         public ManagerVM Manager { get; private set; }
 
+        public ICommand OnSelectionChangedCommand { get; private set; }
+
         #endregion
 
         #region Constructor
@@ -24,6 +28,20 @@ namespace LivreLand.ViewModel
         {
             Navigator = navigatorVM;
             Manager = managerVM;
+            OnSelectionChangedCommand = new RelayCommand<BookVM>((bookVM) => OnSelectionChanged(bookVM));
+        }
+
+        #endregion
+
+        #region Methods
+
+        private void OnSelectionChanged(BookVM bookVM)
+        {
+            if (bookVM != null)
+            {
+                var result = new DetailsLivreVM(Manager, Navigator, bookVM);
+                App.Current.MainPage.Navigation.PushAsync(new DetailsLivreView(result));
+            }
         }
 
         #endregion
diff --git a/LivreLand/ViewModel/DetailsLivreVM.cs b/LivreLand/ViewModel/DetailsLivreVM.cs
index bb1fa0c..12feba5 100644
--- a/LivreLand/ViewModel/DetailsLivreVM.cs
+++ b/LivreLand/ViewModel/DetailsLivreVM.cs
@@ -65,6 +65,8 @@ namespace LivreLand.ViewModel
             }
         }
 
+        public ICommand BackButtonCommand { get; private set; }
+
         public ICommand ShowPickerCommand { get; private set; }
 
         public ICommand AddRemoveBookToFavoritesCommand { get; private set; }
@@ -82,6 +84,7 @@ namespace LivreLand.ViewModel
             Manager = managerVM;
             Navigator = navigatorVM;
             Book = bookVM;
+            BackButtonCommand = new RelayCommand(() => BackButton());
             ShowPickerCommand = new RelayCommand(() => ShowPicker());
             AddRemoveBookToFavoritesCommand = new RelayCommand<BookVM>((bookVM) => AddRemoveBookToFavorites(bookVM));
             AddBookToReadListCommand = new RelayCommand<BookVM>((bookVM) => AddBookToReadList(bookVM));
@@ -92,6 +95,11 @@ namespace LivreLand.ViewModel
 
         #region Methods
 
+        private void BackButton()
+        {
+            Navigator.PopupBackButtonNavigationCommand.Execute(null);
+        }
+
         private void ShowPicker()
         {
             Manager.GetAllStatusCommand.Execute(null);
diff --git a/LivreLand/ViewModel/EmpruntsPretsVM.cs b/LivreLand/ViewModel/EmpruntsPretsVM.cs
index 3ec03a0..d1248f8 100644
--- a/LivreLand/ViewModel/EmpruntsPretsVM.cs
+++ b/LivreLand/ViewModel/EmpruntsPretsVM.cs
@@ -1,4 +1,6 @@
-using PersonalMVVMToolkit;
+using LivreLand.View;
+using Model;
+using PersonalMVVMToolkit;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -106,6 +108,10 @@ namespace LivreLand.ViewModel
             }
         }
 
+        public ICommand OnSelectionLoanChangedCommand { get; private set; }
+
+        public ICommand OnSelectionBorrowingChangedCommand { get; private set; }
+
         public ICommand PretsButtonCommand { get; private set; }
 
         public ICommand EmpruntsButtonCommand { get; private set; }
@@ -118,6 +124,8 @@ namespace LivreLand.ViewModel
         {
             Navigator = navigatorVM;
             Manager = managerVM;
+            OnSelectionLoanChangedCommand = new RelayCommand<LoanVM>((loanVM) => OnSelectionLoanChanged(loanVM));
+            OnSelectionBorrowingChangedCommand = new RelayCommand<BorrowingVM>((borrowingVM) => OnSelectionBorrowingChanged(borrowingVM));
             PretsButtonCommand = new RelayCommand(() => PretsButtonClicked());
             EmpruntsButtonCommand = new RelayCommand(() => EmpruntsButtonClicked());
         }
@@ -126,6 +134,38 @@ namespace LivreLand.ViewModel
 
         #region Methods
 
+        private void OnSelectionLoanChanged(LoanVM loanVM)
+        {
+            if (loanVM == null)
+            {
+                foreach (var b in Manager.AllCurrentLoans)
+                {
+                    if (b.Book.Id == loanVM.Book.Id)
+                    {
+                        var bookCorresponding = b.Book;
+                        var result = new DetailsLivreVM(Manager, Navigator, bookCorresponding);
+                        App.Current.MainPage.Navigation.PushAsync(new DetailsLivreView(result));
+                    }
+                }
+            }
+        }
+
+        private void OnSelectionBorrowingChanged(BorrowingVM borrowingVM)
+        {
+            if (borrowingVM != null)
+            {
+                foreach (var b in Manager.AllCurrentBorrowings)
+                {
+                    if (b.Book.Id == borrowingVM.Book.Id)
+                    {
+                        var bookCorresponding = b.Book;
+                        var result = new DetailsLivreVM(Manager, Navigator, bookCorresponding);
+                        App.Current.MainPage.Navigation.PushAsync(new DetailsLivreView(result));
+                    }
+                }
+            }
+        }
+
         public void PretsButtonClicked()
         {
             if (App.Current.PlatformAppTheme == AppTheme.Light)
diff --git a/LivreLand/ViewModel/StatutLectureVM.cs b/LivreLand/ViewModel/StatutLectureVM.cs
index 86aaf0e..1dbeba6 100644
--- a/LivreLand/ViewModel/StatutLectureVM.cs
+++ b/LivreLand/ViewModel/StatutLectureVM.cs
@@ -1,9 +1,11 @@
-using PersonalMVVMToolkit;
+using LivreLand.View;
+using PersonalMVVMToolkit;
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows.Input;
 using ViewModels;
 
 namespace LivreLand.ViewModel
@@ -16,6 +18,8 @@ namespace LivreLand.ViewModel
 
         public ManagerVM Manager { get; private set; }
 
+        public ICommand OnSelectionChangedCommand { get; private set; }
+
         #endregion
 
         #region Constructor
@@ -24,6 +28,20 @@ namespace LivreLand.ViewModel
         {
             Navigator = navigatorVM;
             Manager = managerVM;
+            OnSelectionChangedCommand = new RelayCommand<BookVM>((bookVM) => OnSelectionChanged(bookVM));
+        }
+
+        #endregion
+
+        #region Methods
+
+        private void OnSelectionChanged(BookVM bookVM)
+        {
+            if (bookVM != null)
+            {
+                var result = new DetailsLivreVM(Manager, Navigator, bookVM);
+                App.Current.MainPage.Navigation.PushAsync(new DetailsLivreView(result));
+            }
         }
 
         #endregion
diff --git a/LivreLand/ViewModel/TousVM.cs b/LivreLand/ViewModel/TousVM.cs
index 2aff733..f1ba534 100644
--- a/LivreLand/ViewModel/TousVM.cs
+++ b/LivreLand/ViewModel/TousVM.cs
@@ -19,6 +19,7 @@ namespace LivreLand.ViewModel
         public ManagerVM Manager { get; private set; }
 
         public ICommand OnSelectionChangedCommand { get; private set; }
+
         #endregion
 
         #region Constructor
diff --git a/ViewModels/BookVM.cs b/ViewModels/BookVM.cs
index c703b72..40f1f80 100644
--- a/ViewModels/BookVM.cs
+++ b/ViewModels/BookVM.cs
@@ -64,6 +64,12 @@ namespace ViewModels
             set => SetProperty(Model.NbPages, value, v => Model.NbPages = value);
         }
 
+        public Languages Language
+        {
+            get => Model.Language;
+            set => SetProperty(Model.Language, value, v => Model.Language = value);
+        }
+
         public string ImageSmall
         {
             get => Model.ImageSmall;
diff --git a/ViewModels/ManagerVM.cs b/ViewModels/ManagerVM.cs
index c9ee959..2a0bce1 100644
--- a/ViewModels/ManagerVM.cs
+++ b/ViewModels/ManagerVM.cs
@@ -33,6 +33,8 @@ namespace ViewModels
         private RatingsVM selectedRating;
         private Status selectedStatus;
         private ContactVM selectedContact;
+        private LoanVM selectedLoan;
+        private BorrowingVM selectedBorrowing;
 
         private string givenFirstName;
         private string givenLastName;
@@ -180,6 +182,32 @@ namespace ViewModels
             }
         }
 
+        public LoanVM SelectedLoan
+        {
+            get { return selectedLoan; }
+            set
+            {
+                if (selectedLoan != value)
+                {
+                    selectedLoan = value;
+                    OnPropertyChanged(nameof(SelectedLoan));
+                }
+            }
+        }
+
+        public BorrowingVM SelectedBorrowing
+        {
+            get { return selectedBorrowing; }
+            set
+            {
+                if (selectedBorrowing != value)
+                {
+                    selectedBorrowing = value;
+                    OnPropertyChanged(nameof(SelectedBorrowing));
+                }
+            }
+        }
+
         public string GivenFirstName
         {
             get { return givenFirstName; }
@@ -249,6 +277,8 @@ namespace ViewModels
 
         public ICommand GetBooksFromCollectionCommand { get; private set; }
 
+        public ICommand AddBookCommand { get; private set; }
+
         public ICommand UpdateBookCommand { get; private set; }
 
         public ICommand UpdateStatusBookCommand { get; private set; }
@@ -304,6 +334,7 @@ namespace ViewModels
             PreviousCommand = new RelayCommand(() => Previous());
             NextCommand = new RelayCommand(() => Next());
             GetBooksFromCollectionCommand = new RelayCommand(() => GetBooksFromCollection());
+            AddBookCommand = new RelayCommand<BookVM>((bookVM) => AddBook(bookVM));
             UpdateBookCommand = new RelayCommand<BookVM>((bookVM) => UpdateBook(bookVM));
             UpdateStatusBookCommand = new RelayCommand<BookVM>((bookVM) => UpdateStatusBook(bookVM));
             UpdateToBeReadBookCommand = new RelayCommand<BookVM>((bookVM) => UpdateToBeReadBook(bookVM));
@@ -368,6 +399,12 @@ namespace ViewModels
             OnPropertyChanged(nameof(AllBooks));
         }
 
+        private async Task AddBook(BookVM bookVM)
+        {
+            await Model.AddBookToCollection(bookVM.Id);
+            GetBooksFromCollectionCommand.Execute(null);
+        }
+
         private async Task UpdateBook(BookVM bookVM)
         {
             var book = await Model.GetBookById(bookVM.Id);