Implemente l'accès authentifié au chat

BookAStar/BookAStar/App.xaml.cs

@@ -273,7 +273,7 @@ namespace BookAStar
             chatHubConnection.Error += ChatHubConnection_Error;
 
             chatHubProxy = chatHubConnection.CreateHubProxy("ChatHub");
-            chatHubProxy.On<string, string>("PV", (n, m) => {
+            chatHubProxy.On<string, string>("addPV", (n, m) => {
                 DataManager.Current.PrivateMessages.Add(
                     new ChatMessage
                     {
@@ -283,17 +283,21 @@ namespace BookAStar
                     }
                     );
             });
+            MainSettings_UserChanged(this, null);
         }
 
         private void MainSettings_UserChanged(object sender, EventArgs e)
         {
-            if (MainSettings.CurrentUser != null)
+            if (MainSettings.CurrentUser == null)
             {
-                if (chatHubConnection.Headers.ContainsKey("Bearer"))
-                    chatHubConnection.Headers.Remove("Bearer");
-                chatHubConnection.Headers.Add("Bearer", MainSettings.CurrentUser.YavscTokens.AccessToken);
+                chatHubConnection.Headers.Clear();
+            }
+            else
+            {
+                var token = MainSettings.CurrentUser.YavscTokens.AccessToken;
+                chatHubConnection.Headers.Add(
+                    "Authorization", $"Bearer {token}");
             }
-            else chatHubConnection.Headers.Remove("Bearer");
         }
 
         private void ChatHubConnection_Error(Exception obj)

BookAStar/BookAStar/BookAStar.csproj

@@ -48,6 +48,7 @@
     <Compile Include="Behaviors\PickerBehavior.cs" />
     <Compile Include="Behaviors\StarBehavior.cs" />
     <Compile Include="Constants.cs" />
+    <Compile Include="Converters\SignalRConnectionStateToObject.cs" />
     <Compile Include="Data\LocalState.cs" />
     <Compile Include="Model\Social\Messaging\ChatStatus.cs" />
     <Compile Include="Model\Social\Messaging\PrivateMessage.cs" />
@@ -376,6 +377,12 @@
       <SubType>Designer</SubType>
     </EmbeddedResource>
   </ItemGroup>
+  <ItemGroup>
+    <Content Include="Images\Chat\connected.png" />
+    <Content Include="Images\Chat\connecting.png" />
+    <Content Include="Images\Chat\disconnected.png" />
+    <Content Include="Images\Chat\reconnecting.png" />
+  </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <Import Project="..\..\packages\Xamarin.Forms.2.3.2.127\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets" Condition="Exists('..\..\packages\Xamarin.Forms.2.3.2.127\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">

BookAStar/BookAStar/Converters/BooleanToObjectConverter.cs

@@ -8,7 +8,7 @@ using Xamarin.Forms;
 
 namespace BookAStar.Converters
 {
-    class BooleanToObjectConverter<T> : IValueConverter
+    public class BooleanToObjectConverter<T> : IValueConverter
     {
         public T FalseObject { set; get; }
 

BookAStar/BookAStar/Converters/SignalRConnectionStateToObject.cs

@@ -0,0 +1,42 @@
+using Microsoft.AspNet.SignalR.Client;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xamarin.Forms;
+
+namespace BookAStar.Converters
+{
+    public class SignalRConnectionStateToObject<T> : IValueConverter
+    {
+        public T ConnectedObject { set; get; }
+
+        public T ConnectingObject { set; get; }
+
+        public T DisconnectedObject { set; get; }
+
+        public T ReconnectingObject { set; get; }
+
+        public object Convert(object value, Type targetType,
+                              object parameter, CultureInfo culture)
+        {
+            switch ((ConnectionState)value) {
+                case ConnectionState.Connected: return ConnectedObject;
+                case ConnectionState.Connecting: return ConnectingObject;
+                case ConnectionState.Disconnected: return DisconnectedObject;
+                case ConnectionState.Reconnecting: return ReconnectingObject;
+            }
+            Debug.Assert(false);
+            return null;
+        }
+
+        public object ConvertBack(object value, Type targetType,
+                                  object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

BookAStar/BookAStar/Pages/BookQueriesPage.xaml.cs

@@ -6,13 +6,20 @@ using XLabs.Platform.Services;
 
 namespace BookAStar.Pages
 {
-
+    using Data;
     public partial class BookQueriesPage : ContentPage
     {
         public BookQueriesPage()
         {
             InitializeComponent();
-            BindingContext = new BookQueriesViewModel();
+            var model = new BookQueriesViewModel();
+            model.RefreshQueries =
+                new Command( () => {
+                    DataManager.Current.BookQueries.Execute(null);
+                    this.list.EndRefresh();
+                });
+            
+            BindingContext = model;
         }
 
         private void OnViewDetail(object sender, ItemTappedEventArgs e)
@@ -20,18 +27,5 @@ namespace BookAStar.Pages
             BookQueryData data = e.Item as BookQueryData;
             App.NavigationService.NavigateTo<BookQueryPage>(true,data);
         }
-        protected override void OnSizeAllocated(double width, double height)
-        {
-            /* TODO find a responsive layout
-            if (width > height)
-             {
-                 mainLayout.Orientation = StackOrientation.Horizontal;
-             }
-             else
-             {
-                 mainLayout.Orientation = StackOrientation.Vertical;
-             } */
-            base.OnSizeAllocated(width, height);
-        }
     }
 }

BookAStar/BookAStar/Pages/ChatPage.xaml

@@ -4,30 +4,74 @@
              x:Class="BookAStar.Pages.ChatPage"
              xmlns:views="clr-namespace:BookAStar.Views;assembly=BookAStar"
              xmlns:controls="clr-namespace:XLabs.Forms.Controls;assembly=XLabs.Forms"
-            xmlns:toolkit="clr-namespace:XLabs.Forms.Mvvm;assembly=XLabs.Forms"
+             xmlns:toolkit="clr-namespace:XLabs.Forms.Mvvm;assembly=XLabs.Forms"
+             xmlns:converters="clr-namespace:BookAStar.Converters;assembly=BookAStar"
+             xmlns:local="clr-namespace:BookAStar;Assembly:BookAStar"
              >
+  
+    <!-- 
+  <TabbedPage.Resources>
+    <ResourceDictionary>
+  <converters:SignalRConnectionStateToObject x:Key="cxToStyleButton" x:TypeArguments="Style">
+
+        <converters:SignalRConnectionStateToObject.DisconnectedObject>
+          <Style TargetType="Button">
+            <Setter Property="Image"
+                    Value="{extensions:ImageResource BookAStar.Images.Chat.disconnected.png}" />
+          </Style>
+        </converters:SignalRConnectionStateToObject.DisconnectedObject>
+
+        <converters:SignalRConnectionStateToObject.ConnectedObject>
+          <Style TargetType="Button">
+            <Setter Property="Image"
+                    Value="{extensions:ImageResource BookAStar.Images.Chat.connected.png}" />
+          </Style>
+        </converters:SignalRConnectionStateToObject.ConnectedObject>
+    
+        <converters:SignalRConnectionStateToObject.ConnectingObject>
+          <Style TargetType="Button">
+            <Setter Property="Source"
+                    Value="{extensions:ImageResource BookAStar.Images.Chat.connecting.png}" />
+          </Style>
+        </converters:SignalRConnectionStateToObject.ConnectingObject>
+
+        <converters:SignalRConnectionStateToObject.ReconnectingObject>
+          <Style TargetType="Button">
+            <Setter Property="Source"
+                    Value="{extensions:ImageResource BookAStar.Images.Chat.reconnecting.png}" />
+          </Style>
+        </converters:SignalRConnectionStateToObject.ReconnectingObject>
+      </converters:SignalRConnectionStateToObject>
+    </ResourceDictionary>
+  </TabbedPage.Resources> -->
   <TabbedPage.Children>
     <ContentPage Title="Public" Icon="chat_icon_s.png" >
       <StackLayout Padding="5, 5, 5, 5">
         <StackLayout Spacing = "12"
                       Orientation = "Horizontal"
                       Padding="5, 0, 5, 0">
+          
+        <Button x:Name="reconnectButton" Clicked="ReconnectButton_Clicked"/>
+       <!--   Style="{Binding Source={x:Static local:App.CurrentApp.ChatHubConnection}, 
+                                Path=State, 
+                                Converter={StaticResource cxToStyleButton}}" -->
           <Entry x:Name="messageEntry" Placeholder = "enter your Message"
-                 VerticalOptions = "Center" 
+                 VerticalOptions = "Center"
                       HorizontalOptions = "FillAndExpand"></Entry>
           <Button x:Name="sendButton" Text = "Send" HorizontalOptions = "End"
                   VerticalOptions = "Center"></Button>
         </StackLayout>
-        <ListView x:Name="messageList" HasUnevenRows="true">
+        <ListView x:Name="messageList" HasUnevenRows="true"
+                  >
           <ListView.ItemTemplate HeightRequest="80" VerticalOptions="StartAndExpand">
             <DataTemplate>
               <ViewCell>
                 <ViewCell.View>
                   <StackLayout Orientation="Horizontal" VerticalOptions="StartAndExpand">
-                      <Label Text="{Binding Date, StringFormat='{0:HH:mm}'}" FontAttributes="Italic" />
-                      <Label Text="{Binding SenderId}" FontFamily="monospace" FontAttributes="Italic" />
-                      <BoxView WidthRequest="1" HeightRequest="15" Color="#000090"/>
-                      <Label Text="{Binding Message}" FontFamily="monospace" />
+                    <Label Text="{Binding Date, StringFormat='{0:HH:mm}'}" FontAttributes="Italic" />
+                    <Label Text="{Binding SenderId}" FontFamily="monospace" FontAttributes="Italic" />
+                    <BoxView WidthRequest="1" HeightRequest="15" Color="#000090"/>
+                    <Label Text="{Binding Message}" FontFamily="monospace" />
                   </StackLayout>
                 </ViewCell.View>
               </ViewCell>
@@ -36,61 +80,62 @@
         </ListView>
       </StackLayout>
     </ContentPage>
-   <ContentPage Title="Notifications" Icon="exclam.png" >
-     <StackLayout Padding="5, 5, 5, 5">
-     <ListView x:Name="notifList" HasUnevenRows="true">
+    <ContentPage Title="Notifications" Icon="exclam.png" >
+      <StackLayout Padding="5, 5, 5, 5">
+        <ListView x:Name="notifList" HasUnevenRows="true">
           <ListView.ItemTemplate HeightRequest="80" VerticalOptions="StartAndExpand">
             <DataTemplate>
               <ViewCell>
                 <ViewCell.View>
                   <StackLayout Orientation="Horizontal" VerticalOptions="StartAndExpand">
-                      <Label Text="{Binding Date, StringFormat='{0:hh:mm}'}" FontAttributes="Italic" />
-                      <Label Text="{Binding SenderId}" FontFamily="monospace" FontAttributes="Italic" />
-                      <BoxView Color="#000090" WidthRequest="1" HeightRequest="15" />
-                      <Label Text="{Binding Message}" FontFamily="monospace" />
+                    <Label Text="{Binding Date, StringFormat='{0:hh:mm}'}" FontAttributes="Italic" />
+                    <Label Text="{Binding SenderId}" FontFamily="monospace" FontAttributes="Italic" />
+                    <BoxView Color="#000090" WidthRequest="1" HeightRequest="15" />
+                    <Label Text="{Binding Message}" FontFamily="monospace" />
                   </StackLayout>
                 </ViewCell.View>
               </ViewCell>
             </DataTemplate>
           </ListView.ItemTemplate>
         </ListView>
-       </StackLayout>
+      </StackLayout>
     </ContentPage>
-  
+
     <ContentPage Title="Contacts" Icon="peer_to_peer.png" >
       <StackLayout Padding="5, 5, 5, 5">
-      <StackLayout Spacing = "12"
-                      Orientation = "Horizontal"
-                      Padding="5, 0, 5, 0">
+        <StackLayout Spacing = "12"
+                        Orientation = "Horizontal"
+                        Padding="5, 0, 5, 0">
           <Entry x:Name="pvEntry" Placeholder = "enter your private message"
                  VerticalOptions = "Center"
                       HorizontalOptions = "FillAndExpand"></Entry>
-         <!--
+          <!--
          <controls:ExtendedPicker x:Name="contactPicker" Display="{Binding UserName}"></controls:ExtendedPicker>
-        --> 
-<controls:ExtendedPicker x:Name="contactPicker" />
- <Button x:Name="sendPVButton" Text = "Send" HorizontalOptions = "End"
-                  VerticalOptions = "Center"></Button>
+        -->
+          <controls:ExtendedPicker x:Name="contactPicker" />
+          <Button x:Name="sendPVButton" Text = "Send" HorizontalOptions = "End"
+                           VerticalOptions = "Center"></Button>
         </StackLayout>
         <ListView x:Name="PVList" HasUnevenRows="true">
-          <ListView.ItemTemplate HeightRequest="80" VerticalOptions="StartAndExpand">
+          <ListView.ItemTemplate HeightRequest="80" 
+                                 VerticalOptions="StartAndExpand">
             <DataTemplate>
               <ViewCell>
                 <ViewCell.View>
                   <StackLayout Orientation="Horizontal" VerticalOptions="StartAndExpand">
-                      <Label Text="{Binding Date, StringFormat='{0:hh:mm}'}" FontAttributes="Italic" />
-                      <Label Text="{Binding SenderId}" FontFamily="monospace" FontAttributes="Italic" />
-                      <BoxView Color="#000090" WidthRequest="1" HeightRequest="15" />
-                      <Label Text="{Binding Message}" FontFamily="monospace" />
+                    <Label Text="{Binding Date, StringFormat='{0:hh:mm}'}" FontAttributes="Italic" />
+                    <Label Text="{Binding SenderId}" FontFamily="monospace" FontAttributes="Italic" />
+                    <BoxView Color="#000090" WidthRequest="1" HeightRequest="15" />
+                    <Label Text="{Binding Message}" FontFamily="monospace" />
                   </StackLayout>
                 </ViewCell.View>
               </ViewCell>
             </DataTemplate>
           </ListView.ItemTemplate>
         </ListView>
-       <!-- <views:UserListView ItemsSource="" /> -->
-    </StackLayout>
-    
-    </ContentPage> 
+        <!-- <views:UserListView ItemsSource="" /> -->
+      </StackLayout>
+
+    </ContentPage>
   </TabbedPage.Children>
 </TabbedPage>

BookAStar/BookAStar/Pages/ChatPage.xaml.cs

@@ -29,6 +29,8 @@ namespace BookAStar.Pages
 
                 try
                 {
+                     ConnectionState cs = App.CurrentApp.ChatHubConnection.State;
+
                     await App.CurrentApp.ChatHubProxy.Invoke<string>("Send", ChatUser, messageEntry.Text);
                     messageEntry.Text = null;
                 }
@@ -39,13 +41,25 @@ namespace BookAStar.Pages
 
                 IsBusy = false;
             };
-            // contactPicker.DisplayProperty = "UserName";
-            
+
+            sendPVButton.Clicked += async (sender, args) =>
+            {
+                IsBusy = true;
+
+                try
+                {
+                    await App.CurrentApp.ChatHubProxy.Invoke<string>("SendPV", ChatUser, messageEntry.Text);
+                    messageEntry.Text = null;
+                }
+                catch (Exception ex)
+                {
+                    Debug.WriteLine(ex);
+                }
+
+                IsBusy = false;
+            };
             messageList.ItemsSource = Messages = new ObservableCollection<ChatMessage>();
-            PVList.ItemsSource = DataManager.Current.PrivateMessages;
             App.CurrentApp.ChatHubConnection.StateChanged += ChatHubConnection_StateChanged;
-            // DataManager.Current.Contacts 
-
             MainSettings.UserChanged += MainSettings_UserChanged;
             MainSettings_UserChanged(this, null);
 
@@ -70,15 +84,26 @@ namespace BookAStar.Pages
             });
         }
 
+        private void ReconnectButton_Clicked(object sender, EventArgs e)
+        {
+            App.CurrentApp.ChatHubConnection.Stop();
+            App.CurrentApp.ChatHubConnection.Start();
+        }
+
         private void MainSettings_UserChanged(object sender, EventArgs e)
         {
             ChatUser = MainSettings.UserName;
             contactPicker.ItemsSource = DataManager.Current.Contacts;
+            PVList.ItemsSource = DataManager.Current.PrivateMessages;
         }
 
         private void ChatHubConnection_StateChanged(StateChange obj)
         {
-            sendButton.IsEnabled = obj.NewState == ConnectionState.Connected;
+            Xamarin.Forms.Device.BeginInvokeOnMainThread(
+                () => {
+                    sendButton.IsEnabled = obj.NewState == ConnectionState.Connected;
+                    reconnectButton.IsEnabled = obj.NewState != ConnectionState.Connected;
+                });
         }
     }
 }

BookAStar/BookAStar/ViewModels/BookQueriesViewModel.cs

@@ -22,7 +22,7 @@ namespace BookAStar.ViewModels
 
         public ICommand RefreshQueries
         {
-            get { return DataManager.Current.BookQueries; }
+            get; set;
         }
     }
 }