Send a message on save to update commands can execute

ModernKeePass/App.xaml.cs

@@ -41,6 +41,7 @@ namespace ModernKeePass
         private readonly IDialogService _dialog;
         private readonly INotificationService _notification;
         private readonly IFileProxy _file;
+        private readonly IMessenger _messenger;
 
         public static IServiceProvider Services { get; private set; }
 
@@ -67,14 +68,14 @@ namespace ModernKeePass
             _notification = Services.GetService<INotificationService>();
             _hockey = Services.GetService<IHockeyClient>();
             _file = Services.GetService<IFileProxy>();
-            var messenger = Services.GetService<IMessenger>();
+            _messenger = Services.GetService<IMessenger>();
 
             InitializeComponent();
             Suspending += OnSuspending;
             Resuming += OnResuming;
             UnhandledException += OnUnhandledException;
 
-            messenger.Register<SaveErrorMessage>(this, async message => await HandelSaveError(message.Message));
+            _messenger.Register<SaveErrorMessage>(this, async message => await HandelSaveError(message.Message));
         }
 
         private async Task HandelSaveError(string message)
@@ -84,7 +85,11 @@ namespace ModernKeePass
             var file = await _file.CreateFile($"{database.Name} - copy",
                 Domain.Common.Constants.Extensions.Kdbx,
                 _resource.GetResourceValue("MessageDialogSaveErrorFileTypeDesc"), true);
-            if (file != null) await _mediator.Send(new SaveDatabaseCommand { FilePath = file.Id });
+            if (file != null)
+            {
+                await _mediator.Send(new SaveDatabaseCommand { FilePath = file.Id });
+                _messenger.Send(new DatabaseSavedMessage());
+            }
         }
 
         #region Event Handlers

ModernKeePass/ViewModels/EntryDetailVm.cs

@@ -266,6 +266,8 @@ namespace ModernKeePass.ViewModels
             DeleteCommand = new RelayCommand(async () => await AskForDelete());
             GoBackCommand = new RelayCommand(() => _navigation.GoBack());
             GoToParentCommand = new RelayCommand(() => GoToGroup(_parent.Id));
+
+            MessengerInstance.Register<DatabaseSavedMessage>(this, _ => SaveCommand.RaiseCanExecuteChanged());
         }
 
         public async Task Initialize(string entryId)

ModernKeePass/ViewModels/GroupDetailVm.cs

@@ -126,6 +126,8 @@ namespace ModernKeePass.ViewModels
             DeleteCommand = new RelayCommand(async () => await AskForDelete(),() => IsNotRoot);
             GoBackCommand = new RelayCommand(() => _navigation.GoBack());
             GoToParentCommand= new RelayCommand(() => GoToGroup(_parent.Id), () => _parent != null);
+
+            MessengerInstance.Register<DatabaseSavedMessage>(this, _ => SaveCommand.RaiseCanExecuteChanged());
         }
 
         public async Task Initialize(string groupId)

README.md

@@ -30,7 +30,7 @@ You can get it [here](https://www.microsoft.com/en-us/store/p/modernkeepass/9mwq
 
 # Build and Test
 1. Clone the repository
-2. Build the main app (the library reference dll is actually a NuGet dependency, built from the [**ModernKeePassLib** project](../ModernKeePassLib/README.md))
+2. Build the main app (the library reference dll is actually a NuGet dependency, built from the [**ModernKeePassLib** project](https://github.com/wismna/ModernKeePassLib))
 3. Edit the `.appxmanifest` file to select another certificate (you can create one using Visual Studio or *certutil.exe*)
 
 # Contribute

WinAppCommon/Messages/DatabaseSavedMessage.cs

@@ -0,0 +1,7 @@
+namespace Messages
+{
+    public class DatabaseSavedMessage
+    {
+        
+    }
+}

WinAppCommon/ViewModels/SaveVm.cs

@@ -34,6 +34,8 @@ namespace ModernKeePass.ViewModels
             SaveAsCommand = new RelayCommand(async () => await SaveAs());
             SaveCommand = new RelayCommand(async () => await Save(), () => IsSaveEnabled);
             CloseCommand = new RelayCommand(async () => await Close());
+
+            MessengerInstance.Register<DatabaseSavedMessage>(this, _ => SaveCommand.RaiseCanExecuteChanged());
         }
         
         private async Task SaveAs()

WinAppCommon/WinAppCommon.projitems

@@ -36,6 +36,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Messages\DatabaseClosedMessage.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Messages\DatabaseOpenedMessage.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Messages\DatabaseOpeningMessage.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Messages\DatabaseSavedMessage.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Messages\FileNotFoundMessage.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Messages\NavigateToPageMessage.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Messages\SaveErrorMessage.cs" />