From ead288ab5246417b010529bc32d67558e9cdc8d6 Mon Sep 17 00:00:00 2001
From: TheXamlGuy <dan_clark@outlook.com>
Date: Sun, 5 May 2024 20:43:17 +0100
Subject: [PATCH] Make it possible to feed in options to the Enumerate handler

---
 Bitvault.Avalonia/AllNavigationView.axaml     | 16 +++++++-
 Bitvault.Avalonia/ArchiveNavigationView.axaml | 14 ++++++-
 Bitvault.Avalonia/StarredNavigationView.axaml | 14 ++++++-
 Bitvault.Avalonia/VaultView.axaml             |  2 +-
 Bitvault/AllNavigationViewModel.cs            |  2 +-
 Bitvault/Filter.cs                            |  3 ++
 Bitvault/FilterVaultNavigationViewModel.cs    | 25 +++++++----
 Bitvault/FooterViewModel.cs                   |  2 +-
 Bitvault/VaultViewModel.cs                    | 27 ++++++++++--
 Bitvault/VaultViewModelHandler.cs             | 41 +++++++++++++++----
 Bitvault/VaultViewModelOptions.cs             |  6 +++
 11 files changed, 124 insertions(+), 28 deletions(-)
 create mode 100644 Bitvault/Filter.cs
 create mode 100644 Bitvault/VaultViewModelOptions.cs

diff --git a/Bitvault.Avalonia/AllNavigationView.axaml b/Bitvault.Avalonia/AllNavigationView.axaml
index 8a10fd3..b75b3a6 100644
--- a/Bitvault.Avalonia/AllNavigationView.axaml
+++ b/Bitvault.Avalonia/AllNavigationView.axaml
@@ -14,8 +14,20 @@
                         <ComparisonCondition LeftOperand="{Binding Activated}" RightOperand="False" />
                     </ConditionalExpression>
                 </ConditionAction.Condition>
-                <NavigateAction Context="Main" Route="Vault" />
-            </ConditionAction>        
+                <NavigateAction Context="Main" Route="Vault">
+                    <NavigateAction.ParameterBindings>
+                        <ParameterBinding Key="Filter" Value="{Binding Filter}" />
+                    </NavigateAction.ParameterBindings>
+                </NavigateAction>
+            </ConditionAction>
+            <ConditionAction>
+                <ConditionAction.Condition>
+                    <ConditionalExpression ForwardChaining="And">
+                        <ComparisonCondition LeftOperand="{Binding Activated}" RightOperand="True" />
+                    </ConditionalExpression>
+                </ConditionAction.Condition>
+                <InvokeCommandAction Command="{Binding InvokeCommand}" />
+            </ConditionAction>
         </DataTriggerBehavior>
     </Interaction.Behaviors>
 </NavigationViewItem>
diff --git a/Bitvault.Avalonia/ArchiveNavigationView.axaml b/Bitvault.Avalonia/ArchiveNavigationView.axaml
index 2cd3b36..6516c31 100644
--- a/Bitvault.Avalonia/ArchiveNavigationView.axaml
+++ b/Bitvault.Avalonia/ArchiveNavigationView.axaml
@@ -14,7 +14,19 @@
                         <ComparisonCondition LeftOperand="{Binding Activated}" RightOperand="False" />
                     </ConditionalExpression>
                 </ConditionAction.Condition>
-                <NavigateAction Context="Main" Route="Vault" />
+                <NavigateAction Context="Main" Route="Vault">
+                    <NavigateAction.ParameterBindings>
+                        <ParameterBinding Key="Filter" Value="{Binding Filter}" />
+                    </NavigateAction.ParameterBindings>
+                </NavigateAction>
+            </ConditionAction>
+            <ConditionAction>
+                <ConditionAction.Condition>
+                    <ConditionalExpression ForwardChaining="And">
+                        <ComparisonCondition LeftOperand="{Binding Activated}" RightOperand="True" />
+                    </ConditionalExpression>
+                </ConditionAction.Condition>
+                <InvokeCommandAction Command="{Binding InvokeCommand}" />
             </ConditionAction>
         </DataTriggerBehavior>
     </Interaction.Behaviors>
diff --git a/Bitvault.Avalonia/StarredNavigationView.axaml b/Bitvault.Avalonia/StarredNavigationView.axaml
index 7a4a441..0a2dacc 100644
--- a/Bitvault.Avalonia/StarredNavigationView.axaml
+++ b/Bitvault.Avalonia/StarredNavigationView.axaml
@@ -14,7 +14,19 @@
                         <ComparisonCondition LeftOperand="{Binding Activated}" RightOperand="False" />
                     </ConditionalExpression>
                 </ConditionAction.Condition>
-                <NavigateAction Context="Main" Route="Vault" />
+                <NavigateAction Context="Main" Route="Vault">
+                    <NavigateAction.ParameterBindings>
+                        <ParameterBinding Key="Filter" Value="{Binding Filter}" />
+                    </NavigateAction.ParameterBindings>
+                </NavigateAction>
+            </ConditionAction>
+            <ConditionAction>
+                <ConditionAction.Condition>
+                    <ConditionalExpression ForwardChaining="And">
+                        <ComparisonCondition LeftOperand="{Binding Activated}" RightOperand="True" />
+                    </ConditionalExpression>
+                </ConditionAction.Condition>
+                <InvokeCommandAction Command="{Binding InvokeCommand}" />
             </ConditionAction>
         </DataTriggerBehavior>
     </Interaction.Behaviors>
diff --git a/Bitvault.Avalonia/VaultView.axaml b/Bitvault.Avalonia/VaultView.axaml
index 2afad88..f6ae424 100644
--- a/Bitvault.Avalonia/VaultView.axaml
+++ b/Bitvault.Avalonia/VaultView.axaml
@@ -17,7 +17,7 @@
                 Height="40"
                 Margin="0,4,0,0"
                 ColumnDefinitions="*,Auto">
-                <TextBlock Grid.Column="0" Text="Title goes here" />
+                <TextBlock Grid.Column="0" Text="{Binding Filter}" />
                 <Button
                     Grid.Column="1"
                     Width="{StaticResource ButtonWidth}"
diff --git a/Bitvault/AllNavigationViewModel.cs b/Bitvault/AllNavigationViewModel.cs
index ce1b68f..81701c5 100644
--- a/Bitvault/AllNavigationViewModel.cs
+++ b/Bitvault/AllNavigationViewModel.cs
@@ -8,4 +8,4 @@ public partial class AllNavigationViewModel(IServiceProvider provider,
     IPublisher publisher,
     ISubscriber subscriber,
     IDisposer disposer,
-    string name) : FilterVaultNavigationViewModel(provider, factory, mediator, publisher, subscriber, disposer, name);
+    string filter) : FilterVaultNavigationViewModel(provider, factory, mediator, publisher, subscriber, disposer, filter);
diff --git a/Bitvault/Filter.cs b/Bitvault/Filter.cs
new file mode 100644
index 0000000..23680f4
--- /dev/null
+++ b/Bitvault/Filter.cs
@@ -0,0 +1,3 @@
+namespace Bitvault;
+
+public record Filter<TValue>(TValue? Value);
\ No newline at end of file
diff --git a/Bitvault/FilterVaultNavigationViewModel.cs b/Bitvault/FilterVaultNavigationViewModel.cs
index 4a7a626..90aa28b 100644
--- a/Bitvault/FilterVaultNavigationViewModel.cs
+++ b/Bitvault/FilterVaultNavigationViewModel.cs
@@ -4,14 +4,7 @@ using Toolkit.Foundation;
 
 namespace Bitvault;
 
-public partial class FilterVaultNavigationViewModel(IServiceProvider provider,
-    IServiceFactory factory,
-    IMediator mediator,
-    IPublisher publisher,
-    ISubscriber subscriber,
-    IDisposer disposer,
-    string name) :
-    ObservableViewModel(provider, factory, mediator, publisher, subscriber, disposer),
+public partial class FilterVaultNavigationViewModel : ObservableViewModel,
     IVaultNavigationViewModel,
     INotificationHandler<Vault<Activated>>,
     INotificationHandler<Vault<Deactivated>>
@@ -19,9 +12,23 @@ public partial class FilterVaultNavigationViewModel(IServiceProvider provider,
     [ObservableProperty]
     private bool activated;
 
+    [ObservableProperty]
+    private string? filter;
+
     [ObservableProperty]
     private bool selected;
 
+    public FilterVaultNavigationViewModel(IServiceProvider provider,
+        IServiceFactory factory,
+        IMediator mediator,
+        IPublisher publisher,
+        ISubscriber subscriber,
+        IDisposer disposer,
+        string? filter = null) : base(provider, factory, mediator, publisher, subscriber, disposer)
+    {
+        Filter = filter;
+    }
+
     public Task Handle(Vault<Deactivated> args,
         CancellationToken cancellationToken = default) =>
             Task.FromResult(Activated = false);
@@ -31,5 +38,5 @@ public partial class FilterVaultNavigationViewModel(IServiceProvider provider,
             Task.FromResult(Activated = true);
 
     [RelayCommand]
-    public void Invoke() => Publisher.Publish(Vault.As(new Selected<string>(name)));
+    public async Task Invoke() => await Publisher.Publish(Vault.As(new Filter<string>(Filter)), nameof(VaultViewModel));
 }
\ No newline at end of file
diff --git a/Bitvault/FooterViewModel.cs b/Bitvault/FooterViewModel.cs
index b791698..fb0feb7 100644
--- a/Bitvault/FooterViewModel.cs
+++ b/Bitvault/FooterViewModel.cs
@@ -14,4 +14,4 @@ public partial class FooterViewModel :
     {
         Add<ManageNavigationViewModel>();
     }
-}
\ No newline at end of file
+}
diff --git a/Bitvault/VaultViewModel.cs b/Bitvault/VaultViewModel.cs
index eeb0cb2..4a97a65 100644
--- a/Bitvault/VaultViewModel.cs
+++ b/Bitvault/VaultViewModel.cs
@@ -1,16 +1,22 @@
-using Toolkit.Foundation;
+using CommunityToolkit.Mvvm.ComponentModel;
+using Toolkit.Foundation;
 
 namespace Bitvault;
 
 [Notification(nameof(VaultViewModel))]
 public partial class VaultViewModel(IServiceProvider provider,
     IServiceFactory factory,
-    IMediator mediator, 
-    IPublisher publisher, 
+    IMediator mediator,
+    IPublisher publisher,
     ISubscriber subscriber,
     IDisposer disposer,
-    IContentTemplate template) : ObservableCollectionViewModel<LockerNavigationViewModel>(provider, factory, mediator, publisher, subscriber, disposer)
+    IContentTemplate template,
+    string? filter = null) : ObservableCollectionViewModel<LockerNavigationViewModel>(provider, factory, mediator, publisher, subscriber, disposer),
+    INotificationHandler<Vault<Filter<string>>>
 {
+    [ObservableProperty]
+    private string? filter = filter;
+
     public IContentTemplate Template { get; set; } = template;
 
     public override async Task Activated()
@@ -24,4 +30,17 @@ public partial class VaultViewModel(IServiceProvider provider,
         await Publisher.Publish(Vault.As<Deactivated>());
         await base.Deactivated();
     }
+
+    protected override IEnumerate CreateEnumeration(object? key) => 
+        Enumerate<LockerNavigationViewModel>.With(new VaultViewModelOptions { Filter = Filter }) with { Key = key };
+
+    public async Task Handle(Vault<Filter<string>> args, 
+        CancellationToken cancellationToken = default)
+    {
+        if (args.Value is Filter<string> filter)
+        {
+            Filter = filter.Value;
+            await Enumerate();
+        }
+    }
 }
\ No newline at end of file
diff --git a/Bitvault/VaultViewModelHandler.cs b/Bitvault/VaultViewModelHandler.cs
index fa491bf..0e588f9 100644
--- a/Bitvault/VaultViewModelHandler.cs
+++ b/Bitvault/VaultViewModelHandler.cs
@@ -4,19 +4,44 @@ namespace Bitvault;
 
 public class VaultViewModelHandler(IServiceFactory factory,
     IPublisher publisher) :
-    INotificationHandler<Enumerate<LockerNavigationViewModel>>
+    INotificationHandler<Enumerate<LockerNavigationViewModel, VaultViewModelOptions>>
 {
-    public async Task Handle(Enumerate<LockerNavigationViewModel> args,
+    public async Task Handle(Enumerate<LockerNavigationViewModel, VaultViewModelOptions> args,
         CancellationToken cancellationToken = default)
     {
-        Random rnd = new Random();
-        int d = rnd.Next(5, 10);
-        for (int i = 0; i < 2;  i++)
+        if (args.Options?.Filter is "All")
         {
-            if (factory.Create<LockerNavigationViewModel>() is LockerNavigationViewModel viewModel)
+            for (int i = 0; i < 100; i++)
             {
-                await publisher.Publish(new Create<LockerNavigationViewModel>(viewModel),
-                    nameof(VaultViewModel), cancellationToken);
+                if (factory.Create<LockerNavigationViewModel>() is LockerNavigationViewModel viewModel)
+                {
+                    await publisher.Publish(new Create<LockerNavigationViewModel>(viewModel),
+                        nameof(VaultViewModel), cancellationToken);
+                }
+            }
+        }
+
+        if (args.Options?.Filter is "Starred")
+        {
+            for (int i = 0; i < 10; i++)
+            {
+                if (factory.Create<LockerNavigationViewModel>() is LockerNavigationViewModel viewModel)
+                {
+                    await publisher.Publish(new Create<LockerNavigationViewModel>(viewModel),
+                        nameof(VaultViewModel), cancellationToken);
+                }
+            }
+        }
+
+        if (args.Options?.Filter is "Archive")
+        {
+            for (int i = 0; i < 100000; i++)
+            {
+                if (factory.Create<LockerNavigationViewModel>() is LockerNavigationViewModel viewModel)
+                {
+                    await publisher.Publish(new Create<LockerNavigationViewModel>(viewModel),
+                        nameof(VaultViewModel), cancellationToken);
+                }
             }
         }
     }
diff --git a/Bitvault/VaultViewModelOptions.cs b/Bitvault/VaultViewModelOptions.cs
new file mode 100644
index 0000000..1931e05
--- /dev/null
+++ b/Bitvault/VaultViewModelOptions.cs
@@ -0,0 +1,6 @@
+namespace Bitvault;
+
+public record VaultViewModelOptions
+{
+    public string? Filter { get; set; }
+}