From a480a564add55311ac9e7304bfda0046a7f0909e Mon Sep 17 00:00:00 2001
From: lobroda <lou.broda@etu.uca.fr>
Date: Fri, 20 Oct 2023 09:12:27 +0100
Subject: [PATCH] ADD : Start Camera Scan implementation

---
 LivreLand/AppShell.xaml.cs                    |   1 +
 LivreLand/LivreLand.csproj                    |   4 +
 LivreLand/MauiProgram.cs                      |   8 +-
 .../Platforms/Android/AndroidManifest.xml     |   1 +
 .../ContentViews/PopupHomePlusButtonView.xaml |   8 +-
 LivreLand/View/DetailsLivreView.xaml          |   3 +-
 LivreLand/View/ScanView.xaml                  |  61 +++++++++
 LivreLand/View/ScanView.xaml.cs               |  23 ++++
 LivreLand/ViewModel/ScanVM.cs                 | 129 ++++++++++++++++++
 ViewModels/ManagerVM.cs                       |   3 +
 10 files changed, 234 insertions(+), 7 deletions(-)
 create mode 100644 LivreLand/View/ScanView.xaml
 create mode 100644 LivreLand/View/ScanView.xaml.cs
 create mode 100644 LivreLand/ViewModel/ScanVM.cs

diff --git a/LivreLand/AppShell.xaml.cs b/LivreLand/AppShell.xaml.cs
index 3a9374d..83caf95 100644
--- a/LivreLand/AppShell.xaml.cs
+++ b/LivreLand/AppShell.xaml.cs
@@ -15,6 +15,7 @@ public partial class AppShell : Shell
 		Routing.RegisterRoute("library/date/", typeof(FiltrageDateView));
 		Routing.RegisterRoute("library/note/", typeof(FiltrageNoteView));
 		Routing.RegisterRoute("library/contacts/", typeof(ContactsView));
+		Routing.RegisterRoute("library/scan/", typeof(ScanView));
         Routing.RegisterRoute("library/tous/details/", typeof(DetailsLivreView));
         InitializeComponent();
 	}
diff --git a/LivreLand/LivreLand.csproj b/LivreLand/LivreLand.csproj
index 47c0609..8fac7be 100644
--- a/LivreLand/LivreLand.csproj
+++ b/LivreLand/LivreLand.csproj
@@ -53,6 +53,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
+		<PackageReference Include="Camera.MAUI" Version="1.4.4" />
 		<PackageReference Include="CommunityToolkit.Maui" Version="5.3.0" />
 		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="7.0.0" />
 	</ItemGroup>
@@ -137,6 +138,9 @@
 	  <MauiXaml Update="View\HeaderPage.xaml">
 	    <Generator>MSBuild:Compile</Generator>
 	  </MauiXaml>
+	  <MauiXaml Update="View\ScanView.xaml">
+	    <Generator>MSBuild:Compile</Generator>
+	  </MauiXaml>
 	  <MauiXaml Update="View\StatutLectureView.xaml">
 	    <Generator>MSBuild:Compile</Generator>
 	  </MauiXaml>
diff --git a/LivreLand/MauiProgram.cs b/LivreLand/MauiProgram.cs
index 64b132b..5844d00 100644
--- a/LivreLand/MauiProgram.cs
+++ b/LivreLand/MauiProgram.cs
@@ -1,4 +1,5 @@
-using CommunityToolkit.Maui;
+using Camera.MAUI;
+using CommunityToolkit.Maui;
 using LivreLand.View;
 using LivreLand.View.ContentViews;
 using LivreLand.ViewModel;
@@ -17,6 +18,7 @@ public static class MauiProgram
 		builder
 			.UseMauiApp<App>()
 			.UseMauiCommunityToolkit()
+			.UseMauiCameraView()
 			.ConfigureFonts(fonts =>
 			{
 				fonts.AddFont("SF-Compact-Display-Black.otf", "SFCompactDisplayBlack");
@@ -35,6 +37,7 @@ public static class MauiProgram
 			.AddSingleton<FavorisView>()
 			.AddSingleton<ContactsView>()
 			.AddSingleton<PopupISBNView>()
+			.AddSingleton<ScanView>()
 
             .AddSingleton<NavigatorVM>()
 
@@ -54,7 +57,8 @@ public static class MauiProgram
 			.AddSingleton<EmpruntsPretsVM>()
 			.AddSingleton<FavorisVM>()
 			.AddSingleton<ContactsVM>()
-			.AddSingleton<PopupISBNVM>();
+			.AddSingleton<PopupISBNVM>()
+			.AddSingleton<ScanVM>();
 
 #if DEBUG
         builder.Logging.AddDebug();
diff --git a/LivreLand/Platforms/Android/AndroidManifest.xml b/LivreLand/Platforms/Android/AndroidManifest.xml
index e9937ad..f89971c 100644
--- a/LivreLand/Platforms/Android/AndroidManifest.xml
+++ b/LivreLand/Platforms/Android/AndroidManifest.xml
@@ -3,4 +3,5 @@
 	<application android:allowBackup="true" android:icon="@mipmap/appicon" android:roundIcon="@mipmap/appicon_round" android:supportsRtl="true"></application>
 	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 	<uses-permission android:name="android.permission.INTERNET" />
+	<uses-permission android:name="android.permission.CAMERA" />
 </manifest>
\ No newline at end of file
diff --git a/LivreLand/View/ContentViews/PopupHomePlusButtonView.xaml b/LivreLand/View/ContentViews/PopupHomePlusButtonView.xaml
index 8185e04..9b3b577 100644
--- a/LivreLand/View/ContentViews/PopupHomePlusButtonView.xaml
+++ b/LivreLand/View/ContentViews/PopupHomePlusButtonView.xaml
@@ -26,10 +26,6 @@
                   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"/>
@@ -52,6 +48,10 @@
                         <toolkit:IconTintColorBehavior TintColor="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}"/>
                     </Image.Behaviors>
                 </Image>
+                <Grid.GestureRecognizers>
+                    <TapGestureRecognizer Command="{Binding Navigator.NavigationCommand}" 
+                                          CommandParameter="/scan"/>
+                </Grid.GestureRecognizers>
             </Grid>
 
             <contentView:SeparatorEntireView Grid.Row="3"/>
diff --git a/LivreLand/View/DetailsLivreView.xaml b/LivreLand/View/DetailsLivreView.xaml
index acb7c94..c773df1 100644
--- a/LivreLand/View/DetailsLivreView.xaml
+++ b/LivreLand/View/DetailsLivreView.xaml
@@ -351,7 +351,8 @@
                         HorizontalOptions="Center"
                         VerticalOptions="Center">
                     <Picker.Behaviors>
-                        <toolkit:EventToCommandBehavior Command="{Binding DetailsLivreVM.Manager.UpdateStatusBookCommand}"
+                        <toolkit:EventToCommandBehavior EventName="SelectedIndexChanged"
+                                                        Command="{Binding DetailsLivreVM.Manager.UpdateStatusBookCommand}"
                                                         CommandParameter="{Binding DetailsLivreVM.Book}"/>
                     </Picker.Behaviors>
                 </Picker>
diff --git a/LivreLand/View/ScanView.xaml b/LivreLand/View/ScanView.xaml
new file mode 100644
index 0000000..0ea1198
--- /dev/null
+++ b/LivreLand/View/ScanView.xaml
@@ -0,0 +1,61 @@
+<?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"
+             xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
+             xmlns:cv="clr-namespace:Camera.MAUI;assembly=Camera.MAUI"
+             x:Class="LivreLand.View.ScanView"
+             Title="ScanView">
+
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="auto"/>
+        </Grid.RowDefinitions>
+
+        <Grid Grid.Row="0">
+            <cv:CameraView BarCodeDetectionEnabled="True"
+                           Camera="{Binding ScanVM.Camera}"
+                           Cameras="{Binding ScanVM.Cameras}"
+                           NumCamerasDetected="{Binding ScanVM.CamerasCount}"
+                           AutoStartPreview="{Binding ScanVM.AutoStartPreview}"
+                           AutoStartRecording="{Binding ScanVM.AutoStartRecording}"
+                           WidthRequest="300"
+                           HeightRequest="200">
+                <cv:CameraView.Behaviors>
+                    <toolkit:EventToCommandBehavior EventName="BarcodeDetected"
+                                                    Command="{Binding ScanVM.BarcodeDetectCommand}"/>
+                    <toolkit:EventToCommandBehavior EventName="CamerasLoaded"
+                                                    Command="{Binding ScanVM.CamerasLoadCommand}"/>
+                </cv:CameraView.Behaviors>
+            </cv:CameraView>
+        </Grid>
+        
+        <Grid Margin="2"
+              Grid.Row="1">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="auto"/>
+                <ColumnDefinition Width="*"/>
+                <ColumnDefinition Width="auto"/>
+                <ColumnDefinition Width="*"/>
+                <ColumnDefinition Width="auto"/>
+            </Grid.ColumnDefinitions>
+
+            <Label Text="Annuler"
+                   TextColor="{StaticResource Blue100Accent}"
+                   Grid.Column="0"/>
+
+            <Button Text="Start Camera" 
+                    Command="{Binding ScanVM.StartCameraCommand}"
+                    Grid.Column="2"/>
+
+            <Button Text="Start Record" 
+                    Command="{Binding ScanVM.StartRecordingCommand}"/>
+
+            <Label Text="{Binding ScanVM.BarcodeText}"
+                   TextColor="{StaticResource Blue100Accent}"
+                   Grid.Column="4"/>
+        </Grid>
+
+    </Grid>
+
+</ContentPage>
\ No newline at end of file
diff --git a/LivreLand/View/ScanView.xaml.cs b/LivreLand/View/ScanView.xaml.cs
new file mode 100644
index 0000000..cd8b3aa
--- /dev/null
+++ b/LivreLand/View/ScanView.xaml.cs
@@ -0,0 +1,23 @@
+using LivreLand.ViewModel;
+
+namespace LivreLand.View;
+
+public partial class ScanView : ContentPage
+{
+    #region Properties
+
+    public ScanVM ScanVM { get; set; }
+
+    #endregion
+
+    #region Constructor
+
+    public ScanView(ScanVM scanVM)
+	{
+        ScanVM = scanVM;
+		InitializeComponent();
+        BindingContext = this;
+	}
+
+    #endregion
+}
\ No newline at end of file
diff --git a/LivreLand/ViewModel/ScanVM.cs b/LivreLand/ViewModel/ScanVM.cs
new file mode 100644
index 0000000..7e43475
--- /dev/null
+++ b/LivreLand/ViewModel/ScanVM.cs
@@ -0,0 +1,129 @@
+using Camera.MAUI;
+using PersonalMVVMToolkit;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Input;
+using ViewModels;
+
+namespace LivreLand.ViewModel
+{
+    public class ScanVM : BaseViewModel
+    {
+        #region Fields
+
+        private CameraInfo camera = null;
+        private ObservableCollection<CameraInfo> cameras = new();
+        private int camerasCount;
+        private string barcodeText = "ISBN";
+
+        #endregion
+
+        #region Properties
+
+        public CameraInfo Camera
+        {
+            get => camera;
+            set
+            {
+                camera = value;
+                OnPropertyChanged(nameof(Camera));
+                AutoStartPreview = false;
+                OnPropertyChanged(nameof(AutoStartPreview));
+                AutoStartPreview = true;
+                OnPropertyChanged(nameof(AutoStartPreview));
+            }
+        }
+
+        public ObservableCollection<CameraInfo> Cameras
+        {
+            get => cameras;
+            set
+            {
+                if (cameras != value)
+                {
+                    cameras = value;
+                    OnPropertyChanged(nameof(Cameras));
+                }
+            }
+        }
+
+        public int CamerasCount
+        {
+            get => camerasCount = Cameras.Count();
+            set
+            {
+                if (value > 0)
+                {
+                    Camera = Cameras.First();
+                }
+            }
+        }
+
+        public string BarcodeText
+        {
+            get => barcodeText;
+            set
+            {
+                if (barcodeText != value)
+                {
+                    barcodeText = value;
+                    OnPropertyChanged(nameof(BarcodeText));
+                }
+            }
+        }
+
+        public bool AutoStartPreview { get; set; } = false;
+        
+        public bool AutoStartRecording { get; set; } = false;
+
+        public NavigatorVM Navigator { get; private set; }
+
+        public ManagerVM Manager { get; private set; }
+
+        public ICommand StartCameraCommand { get; private set; }
+
+        public ICommand BarcodeDetectCommand { get; private set; }
+
+        public ICommand StartRecordingCommand { get; private set; }
+
+        #endregion
+
+        #region Constructor
+
+        public ScanVM(NavigatorVM navigatorVM, ManagerVM managerVM)
+        {
+            Navigator = navigatorVM;
+            Manager = managerVM;
+            StartCameraCommand = new RelayCommand(() => StartCamera());
+            BarcodeDetectCommand = new RelayCommand(() => BarcodeDetect());
+            StartRecordingCommand = new RelayCommand(() => StartRecording());
+        }
+
+        #endregion
+
+        #region Methods
+
+        private async Task StartCamera()
+        {
+            AutoStartPreview = true;
+            OnPropertyChanged(nameof(AutoStartPreview));
+        }
+
+        private async Task BarcodeDetect()
+        {
+
+        }
+
+        private async Task StartRecording()
+        {
+            AutoStartRecording = true;
+            OnPropertyChanged(nameof(AutoStartRecording));
+        }
+
+        #endregion
+    }
+}
diff --git a/ViewModels/ManagerVM.cs b/ViewModels/ManagerVM.cs
index b3c87f7..e4cbda3 100644
--- a/ViewModels/ManagerVM.cs
+++ b/ViewModels/ManagerVM.cs
@@ -485,6 +485,9 @@ namespace ViewModels
             var book = await Model.GetBookById(bookVM.Id);
             book.Status = SelectedStatus;
             await Model.UpdateBook(book);
+            var updatedBook = new BookVM(book);
+            bookVM = updatedBook;
+            OnPropertyChanged(nameof(bookVM));
         }
 
         private async Task UpdateToBeReadBook(BookVM bookVM)