Remember list filters

DiunaBI.UI.Shared/Components/DataInboxListComponent.razor.cs

@@ -11,6 +11,7 @@ public partial class DataInboxListComponent : ComponentBase
     [Inject] private DataInboxService DataInboxService { get; set; } = default!;
     [Inject] private ISnackbar Snackbar { get; set; } = default!;
     [Inject] private NavigationManager NavigationManager { get; set; } = default!;
+    [Inject] private DataInboxFilterStateService FilterStateService { get; set; } = default!;
 
 
     private PagedResult<DataInboxDto> dataInbox = new();
@@ -19,6 +20,7 @@ public partial class DataInboxListComponent : ComponentBase
 
     protected override async Task OnInitializedAsync()
     {
+        filterRequest = FilterStateService.FilterRequest;
         await LoadDataInbox();
     }
 
@@ -28,6 +30,7 @@ public partial class DataInboxListComponent : ComponentBase
 
         try
         {
+            FilterStateService.UpdateFilter(filterRequest);
             dataInbox = await DataInboxService.GetDataInboxAsync(filterRequest);
         }
         catch (Exception ex)
@@ -55,6 +58,7 @@ public partial class DataInboxListComponent : ComponentBase
     private async Task ClearFilters()
     {
         filterRequest = new DataInboxFilterRequest();
+        FilterStateService.ClearFilter();
         await LoadDataInbox();
     }
 

DiunaBI.UI.Shared/Components/LayerListComponent.razor.cs

@@ -11,6 +11,7 @@ public partial class LayerListComponent : ComponentBase
     [Inject] private LayerService LayerService { get; set; } = default!;
     [Inject] private ISnackbar Snackbar { get; set; } = default!;
     [Inject] private NavigationManager NavigationManager { get; set; } = default!;
+    [Inject] private LayerFilterStateService FilterStateService { get; set; } = default!;
 
 
     private PagedResult<LayerDto>  layers = new();
@@ -19,6 +20,7 @@ public partial class LayerListComponent : ComponentBase
 
     protected override async Task OnInitializedAsync()
     {
+        filterRequest = FilterStateService.FilterRequest;
         await LoadLayers();
     }
 
@@ -28,6 +30,7 @@ public partial class LayerListComponent : ComponentBase
 
         try
         {
+            FilterStateService.UpdateFilter(filterRequest);
             layers = await LayerService.GetLayersAsync(filterRequest);
         }
         catch (Exception ex)
@@ -55,6 +58,7 @@ public partial class LayerListComponent : ComponentBase
     private async Task ClearFilters()
     {
         filterRequest = new LayerFilterRequest();
+        FilterStateService.ClearFilter();
         await LoadLayers();
     }
 

DiunaBI.UI.Shared/Extensions/ServiceCollectionExtensions.cs

@@ -39,6 +39,10 @@ public static class ServiceCollectionExtensions
         services.AddScoped<LayerService>();
         services.AddScoped<DataInboxService>();
 
+        // Filter state services (scoped to maintain state during user session)
+        services.AddScoped<LayerFilterStateService>();
+        services.AddScoped<DataInboxFilterStateService>();
+
         return services;
     }
 }

DiunaBI.UI.Shared/Pages/LayerDetailPage.razor

@@ -21,6 +21,7 @@
             {
                 <MudButton Variant="Variant.Text" OnClick="ProcessLayer">Process Layer</MudButton>
             }
+            <MudButton Variant="Variant.Text" OnClick="GoBack" StartIcon="@Icons.Material.Filled.ArrowBack">Back to List</MudButton>
         </CardHeaderActions>
     </MudCardHeader>
     <MudCardContent>

DiunaBI.UI.Shared/Pages/LayerDetailPage.razor.cs

@@ -148,6 +148,11 @@ public partial class LayerDetailPage : ComponentBase
         Snackbar.Add("Process layer functionality coming soon", Severity.Error);
     }
 
+    private void GoBack()
+    {
+        NavigationManager.NavigateTo("/layers");
+    }
+
     // Record editing methods
     private void StartEdit(RecordDto record)
     {

DiunaBI.UI.Shared/Services/DataInboxFilterStateService.cs

@@ -0,0 +1,18 @@
+using DiunaBI.Application.DTOModels;
+
+namespace DiunaBI.UI.Shared.Services;
+
+public class DataInboxFilterStateService
+{
+    public DataInboxFilterRequest FilterRequest { get; set; } = new();
+
+    public void UpdateFilter(DataInboxFilterRequest request)
+    {
+        FilterRequest = request;
+    }
+
+    public void ClearFilter()
+    {
+        FilterRequest = new DataInboxFilterRequest();
+    }
+}

DiunaBI.UI.Shared/Services/LayerFilterStateService.cs

@@ -0,0 +1,18 @@
+using DiunaBI.Application.DTOModels;
+
+namespace DiunaBI.UI.Shared.Services;
+
+public class LayerFilterStateService
+{
+    public LayerFilterRequest FilterRequest { get; set; } = new();
+
+    public void UpdateFilter(LayerFilterRequest request)
+    {
+        FilterRequest = request;
+    }
+
+    public void ClearFilter()
+    {
+        FilterRequest = new LayerFilterRequest();
+    }
+}