Standardize string property initialization to string.Empty

Replaced String.Empty and null! with string.Empty for string properties
in CatalogReadDto, CatalogWriteDto, and VwmyCatalog classes. This
ensures consistent initialization and helps prevent null reference
issues across the codebase.

DbFirst.API/Controllers/CatalogsController.cs

@@ -1,7 +1,6 @@
 using DbFirst.Application.Catalogs;
 using DbFirst.Application.Catalogs.Commands;
 using DbFirst.Application.Catalogs.Queries;
-using DbFirst.Domain;
 using MediatR;
 using Microsoft.AspNetCore.Mvc;
 
@@ -37,7 +36,7 @@ public class CatalogsController : ControllerBase
     }
 
     [HttpPost]
-    public async Task<ActionResult<CatalogReadDto>> Create(CatalogWriteDto dto, CancellationToken cancellationToken)
+    public async Task<ActionResult<CatalogReadDto>> Create([FromBody]CatalogWriteDto dto, CancellationToken cancellationToken)
     {
         var created = await _mediator.Send(new CreateCatalogCommand(dto), cancellationToken);
         if (created == null)
@@ -48,7 +47,7 @@ public class CatalogsController : ControllerBase
     }
 
     [HttpPut("{id:int}")]
-    public async Task<ActionResult<CatalogReadDto>> Update(int id, CatalogWriteDto dto, CancellationToken cancellationToken)
+    public async Task<ActionResult<CatalogReadDto>> Update(int id, [FromBody] CatalogWriteDto dto, CancellationToken cancellationToken)
     {
         var updated = await _mediator.Send(new UpdateCatalogCommand(id, dto), cancellationToken);
         if (updated == null)

DbFirst.API/Controllers/MassDataController.cs

@@ -50,7 +50,7 @@ public class MassDataController : ControllerBase
     }
 
     [HttpPost("upsert")]
-    public async Task<ActionResult<MassDataReadDto>> Upsert(MassDataWriteDto dto, CancellationToken cancellationToken)
+    public async Task<ActionResult<MassDataReadDto>> Upsert([FromBody]MassDataWriteDto dto, CancellationToken cancellationToken)
     {
         var result = await _mediator.Send(new UpsertMassDataByCustomerNameCommand(dto), cancellationToken);
         return Ok(result);

DbFirst.API/Dashboards/DashboardChangeNotifier.cs

@@ -6,14 +6,23 @@ namespace DbFirst.API.Dashboards;
 public class DashboardChangeNotifier : IDashboardChangeNotifier
 {
     private readonly IHubContext<DashboardsHub> _hubContext;
+    private readonly ILogger<DashboardChangeNotifier> _logger;
 
-    public DashboardChangeNotifier(IHubContext<DashboardsHub> hubContext)
+    public DashboardChangeNotifier(IHubContext<DashboardsHub> hubContext, ILogger<DashboardChangeNotifier> logger)
     {
         _hubContext = hubContext;
+        _logger = logger;
     }
 
-    public void NotifyChanged()
+    public async Task NotifyChangedAsync()
     {
-        _ = _hubContext.Clients.All.SendAsync("DashboardsChanged");
+        try
+        {
+            await _hubContext.Clients.All.SendAsync("DashboardsChanged");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Failed to notify dashboard clients.");
+        }
     }
 }

DbFirst.API/Dashboards/DashboardConfiguratorFactory.cs

@@ -0,0 +1,115 @@
+using DbFirst.Domain.Entities;
+using DevExpress.DashboardCommon;
+using DevExpress.DashboardWeb;
+using DevExpress.DataAccess.Json;
+using System.Xml.Linq;
+
+namespace DbFirst.API.Dashboards;
+
+public static class DashboardConfiguratorFactory
+{
+    public static DashboardConfigurator Create(
+        IServiceProvider serviceProvider,
+        IConfiguration configuration,
+        IWebHostEnvironment environment)
+    {
+        // Den gesamten Inhalt des Lambdas hierher verschieben
+        // serviceProvider, configuration, environment statt builder.* verwenden
+
+        var dashboardsPath = Path.Combine(environment.ContentRootPath, "Data", "Dashboards");
+        Directory.CreateDirectory(dashboardsPath);
+
+        var defaultDashboardPath = Path.Combine(dashboardsPath, "DefaultDashboard.xml");
+        if (!File.Exists(defaultDashboardPath))
+        {
+            var defaultDashboard = new Dashboard();
+            defaultDashboard.Title.Text = "Default Dashboard";
+            defaultDashboard.SaveToXml(defaultDashboardPath);
+        }
+
+        var dashboardBaseUrl = configuration["Dashboard:BaseUrl"]
+            ?? configuration["ApiBaseUrl"]
+            ?? configuration["ASPNETCORE_URLS"]?.Split(';', StringSplitOptions.RemoveEmptyEntries).FirstOrDefault()
+            ?? "https://localhost:7204";
+
+        dashboardBaseUrl = dashboardBaseUrl.TrimEnd('/');
+
+        var catalogsGridDashboardPath = Path.Combine(dashboardsPath, "CatalogsGrid.xml");
+        if (!File.Exists(catalogsGridDashboardPath))
+        {
+            var dashboard = new Dashboard();
+            dashboard.Title.Text = "Catalogs (Dashboard Grid)";
+
+            var catalogDataSource = new DashboardJsonDataSource("Catalogs (API)")
+            {
+                ComponentName = "catalogsDataSource",
+                JsonSource = new UriJsonSource(new Uri($"{dashboardBaseUrl}/api/catalogs"))
+            };
+
+            dashboard.DataSources.Add(catalogDataSource);
+
+            var grid = new GridDashboardItem
+            {
+                DataSource = catalogDataSource,
+                Name = "Catalogs"
+            };
+
+            grid.Columns.Add(new GridDimensionColumn(new Dimension(nameof(VwmyCatalog.Guid))) { Name = "Id" });
+            grid.Columns.Add(new GridDimensionColumn(new Dimension(nameof(VwmyCatalog.CatTitle))) { Name = "Titel" });
+            grid.Columns.Add(new GridDimensionColumn(new Dimension(nameof(VwmyCatalog.CatString))) { Name = "String" });
+            grid.Columns.Add(new GridDimensionColumn(new Dimension(nameof(VwmyCatalog.AddedWho))) { Name = "Angelegt von" });
+            grid.Columns.Add(new GridDimensionColumn(new Dimension(nameof(VwmyCatalog.AddedWhen))) { Name = "Angelegt am" });
+            grid.Columns.Add(new GridDimensionColumn(new Dimension(nameof(VwmyCatalog.ChangedWho))) { Name = "Geändert von" });
+            grid.Columns.Add(new GridDimensionColumn(new Dimension(nameof(VwmyCatalog.ChangedWhen))) { Name = "Geändert am" });
+
+            dashboard.Items.Add(grid);
+
+            var layoutGroup = new DashboardLayoutGroup { Orientation = DashboardLayoutGroupOrientation.Vertical };
+            layoutGroup.ChildNodes.Add(new DashboardLayoutItem(grid));
+            dashboard.LayoutRoot = layoutGroup;
+
+            dashboard.SaveToXml(catalogsGridDashboardPath);
+        }
+
+        DashboardConfigurator configurator = new DashboardConfigurator();
+
+        var connectionString = configuration.GetConnectionString("DefaultConnection") ?? string.Empty;
+        var notifier = serviceProvider.GetRequiredService<IDashboardChangeNotifier>();
+        var dashboardStorage = new SqlDashboardStorage(connectionString, "TBDD_SMF_CONFIG", notifier: notifier);
+        configurator.SetDashboardStorage(dashboardStorage);
+
+        DataSourceInMemoryStorage dataSourceStorage = new DataSourceInMemoryStorage();
+        DashboardJsonDataSource jsonDataSourceUrl = new DashboardJsonDataSource("JSON Data Source (URL)");
+        jsonDataSourceUrl.JsonSource = new UriJsonSource(
+                new Uri("https://raw.githubusercontent.com/DevExpress-Examples/DataSources/master/JSON/customers.json"));
+        jsonDataSourceUrl.RootElement = "Customers";
+        dataSourceStorage.RegisterDataSource("jsonDataSourceUrl", jsonDataSourceUrl.SaveToXml());
+
+        var catalogsJsonDataSource = new DashboardJsonDataSource("Catalogs (API)")
+        {
+            ComponentName = "catalogsDataSource",
+            JsonSource = new UriJsonSource(new Uri($"{dashboardBaseUrl}/api/catalogs"))
+        };
+        dataSourceStorage.RegisterDataSource(catalogsJsonDataSource.ComponentName, catalogsJsonDataSource.SaveToXml());
+        dataSourceStorage.RegisterDataSource(catalogsJsonDataSource.Name, catalogsJsonDataSource.SaveToXml());
+
+        configurator.SetDataSourceStorage(dataSourceStorage);
+
+        EnsureDashboardInStorage(dashboardStorage, "DefaultDashboard", defaultDashboardPath);
+        EnsureDashboardInStorage(dashboardStorage, "CatalogsGrid", catalogsGridDashboardPath);
+
+        return configurator;
+    }
+
+    private static void EnsureDashboardInStorage(IEditableDashboardStorage storage, string id, string filePath)
+    {
+        var exists = storage.GetAvailableDashboardsInfo().Any(info => string.Equals(info.ID, id, StringComparison.OrdinalIgnoreCase));
+        if (exists || !File.Exists(filePath))
+        {
+            return;
+        }
+
+        var doc = XDocument.Load(filePath);
+        storage.AddDashboard(doc, id);
+    }
+}

DbFirst.API/Dashboards/IDashboardChangeNotifier.cs

@@ -2,5 +2,5 @@ namespace DbFirst.API.Dashboards;
 
 public interface IDashboardChangeNotifier
 {
-    void NotifyChanged();
+    Task NotifyChangedAsync();
 }

DbFirst.API/Dashboards/SqlDashboardStorage.cs

@@ -100,7 +100,7 @@ public sealed class SqlDashboardStorage : IEditableDashboardStorage
 
         connection.Open();
         command.ExecuteNonQuery();
-        _notifier?.NotifyChanged();
+        _ = _notifier?.NotifyChangedAsync();
         return id;
     }
 
@@ -122,7 +122,7 @@ public sealed class SqlDashboardStorage : IEditableDashboardStorage
             throw new ArgumentException($"Dashboard '{dashboardId}' not found.");
         }
 
-        _notifier?.NotifyChanged();
+        _ = _notifier?.NotifyChangedAsync();
     }
 
     public void DeleteDashboard(string dashboardId)
@@ -133,6 +133,6 @@ public sealed class SqlDashboardStorage : IEditableDashboardStorage
 
         connection.Open();
         command.ExecuteNonQuery();
-        _notifier?.NotifyChanged();
+        _ = _notifier?.NotifyChangedAsync();
     }
 }

DbFirst.API/DbFirst.API.csproj

@@ -17,7 +17,6 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
-    <PackageReference Include="MediatR.Extensions.Microsoft.DependencyInjection" Version="11.1.0" />
   </ItemGroup>
 
   <ItemGroup>

DbFirst.API/Middleware/ExceptionHandlingMiddleware.cs

@@ -1,5 +1,4 @@
-using System.Net;
-using System.Text.Json;
+using Microsoft.AspNetCore.Mvc;
 
 namespace DbFirst.API.Middleware;
 
@@ -20,33 +19,35 @@ public class ExceptionHandlingMiddleware
         {
             await _next(context);
         }
+        catch (InvalidOperationException ex)
+        {
+            _logger.LogWarning(ex, "Domain validation error");
+            await WriteProblemAsync(context, StatusCodes.Status400BadRequest, "Eingabe ungültig", ex.Message);
+        }
         catch (Exception ex)
         {
             _logger.LogError(ex, "Unhandled exception");
-            await WriteProblemDetailsAsync(context, ex);
+            await WriteProblemAsync(context, StatusCodes.Status500InternalServerError, "Serverfehler", ex.Message);
         }
     }
 
-    private static async Task WriteProblemDetailsAsync(HttpContext context, Exception ex)
+    private static async Task WriteProblemAsync(HttpContext context, int status, string title, string detail)
     {
-        if (context.Response.HasStarted)
-        {
-            throw ex;
-        }
+        if (context.Response.HasStarted) return;
 
         context.Response.Clear();
-        context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
-        context.Response.ContentType = "application/json";
+        context.Response.StatusCode = status;
+        context.Response.ContentType = "application/problem+json";
 
-        var problem = new
+        var problem = new ProblemDetails
         {
-            type = "https://tools.ietf.org/html/rfc9110#section-15.6.1",
-            title = "Serverfehler",
-            status = context.Response.StatusCode,
-            detail = ex.Message,
-            traceId = context.TraceIdentifier
+            Type = $"https://tools.ietf.org/html/rfc9110#section-{(status == 400 ? "15.5.1" : "15.6.1")}",
+            Title = title,
+            Status = status,
+            Detail = detail,
+            Extensions = { ["traceId"] = context.TraceIdentifier }
         };
 
-        await context.Response.WriteAsync(JsonSerializer.Serialize(problem));
+        await context.Response.WriteAsJsonAsync(problem);
     }
 }

DbFirst.API/Program.cs

@@ -1,16 +1,11 @@
-using DbFirst.API.Middleware;
 using DbFirst.API.Dashboards;
 using DbFirst.API.Hubs;
+using DbFirst.API.Middleware;
 using DbFirst.Application;
-using DbFirst.Domain;
-using DbFirst.Domain.Entities;
 using DbFirst.Infrastructure;
 using DevExpress.AspNetCore;
 using DevExpress.DashboardAspNetCore;
-using DevExpress.DashboardCommon;
 using DevExpress.DashboardWeb;
-using DevExpress.DataAccess.Json;
-using System.Xml.Linq;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -18,6 +13,7 @@ var builder = WebApplication.CreateBuilder(args);
 builder.Services.AddControllers();
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();
+builder.Services.AddProblemDetails();
 
 // TODO: allow listed origins configured in appsettings.json
 // In any case, dont let them to free to use without cors. if there is no origin specified, block all.
@@ -34,7 +30,7 @@ builder.Services.AddCors(options =>
         }
         else
         {
-            var origins = builder.Configuration.GetSection("Cors:AllowedOrigins").Get<string[]>() ?? Array.Empty<string>();
+            var origins = builder.Configuration.GetSection("Cors:AllowedOrigins").Get<string[]>() ?? [];
             if (origins.Length > 0)
             {
                 policy.WithOrigins(origins)
@@ -52,91 +48,8 @@ builder.Services.AddApplication();
 builder.Services.AddDevExpressControls();
 builder.Services.AddSignalR();
 builder.Services.AddSingleton<IDashboardChangeNotifier, DashboardChangeNotifier>();
-builder.Services.AddScoped<DashboardConfigurator>((IServiceProvider serviceProvider) => {
-    var dashboardsPath = Path.Combine(builder.Environment.ContentRootPath, "Data", "Dashboards");
-    Directory.CreateDirectory(dashboardsPath);
-
-    var defaultDashboardPath = Path.Combine(dashboardsPath, "DefaultDashboard.xml");
-    if (!File.Exists(defaultDashboardPath))
-    {
-        var defaultDashboard = new Dashboard();
-        defaultDashboard.Title.Text = "Default Dashboard";
-        defaultDashboard.SaveToXml(defaultDashboardPath);
-    }
-
-    var dashboardBaseUrl = builder.Configuration["Dashboard:BaseUrl"]
-        ?? builder.Configuration["ApiBaseUrl"]
-        ?? builder.Configuration["ASPNETCORE_URLS"]?.Split(';', StringSplitOptions.RemoveEmptyEntries).FirstOrDefault()
-        ?? "https://localhost:7204";
-
-    dashboardBaseUrl = dashboardBaseUrl.TrimEnd('/');
-
-    var catalogsGridDashboardPath = Path.Combine(dashboardsPath, "CatalogsGrid.xml");
-    if (!File.Exists(catalogsGridDashboardPath))
-    {
-        var dashboard = new Dashboard();
-        dashboard.Title.Text = "Catalogs (Dashboard Grid)";
-
-        var catalogDataSource = new DashboardJsonDataSource("Catalogs (API)")
-        {
-            ComponentName = "catalogsDataSource",
-            JsonSource = new UriJsonSource(new Uri($"{dashboardBaseUrl}/api/catalogs"))
-        };
-
-        dashboard.DataSources.Add(catalogDataSource);
-
-        var grid = new GridDashboardItem
-        {
-            DataSource = catalogDataSource,
-            Name = "Catalogs"
-        };
-
-        grid.Columns.Add(new GridDimensionColumn(new Dimension(nameof(VwmyCatalog.Guid))) { Name = "Id" });
-        grid.Columns.Add(new GridDimensionColumn(new Dimension(nameof(VwmyCatalog.CatTitle))) { Name = "Titel" });
-        grid.Columns.Add(new GridDimensionColumn(new Dimension(nameof(VwmyCatalog.CatString))) { Name = "String" });
-        grid.Columns.Add(new GridDimensionColumn(new Dimension(nameof(VwmyCatalog.AddedWho))) { Name = "Angelegt von" });
-        grid.Columns.Add(new GridDimensionColumn(new Dimension(nameof(VwmyCatalog.AddedWhen))) { Name = "Angelegt am" });
-        grid.Columns.Add(new GridDimensionColumn(new Dimension(nameof(VwmyCatalog.ChangedWho))) { Name = "Geändert von" });
-        grid.Columns.Add(new GridDimensionColumn(new Dimension(nameof(VwmyCatalog.ChangedWhen))) { Name = "Geändert am" });
-
-        dashboard.Items.Add(grid);
-
-        var layoutGroup = new DashboardLayoutGroup { Orientation = DashboardLayoutGroupOrientation.Vertical };
-        layoutGroup.ChildNodes.Add(new DashboardLayoutItem(grid));
-        dashboard.LayoutRoot = layoutGroup;
-
-        dashboard.SaveToXml(catalogsGridDashboardPath);
-    }
-
-    DashboardConfigurator configurator = new DashboardConfigurator();
-
-    var connectionString = builder.Configuration.GetConnectionString("DefaultConnection") ?? string.Empty;
-    var notifier = serviceProvider.GetRequiredService<IDashboardChangeNotifier>();
-    var dashboardStorage = new SqlDashboardStorage(connectionString, "TBDD_SMF_CONFIG", notifier: notifier);
-    configurator.SetDashboardStorage(dashboardStorage);
-
-    DataSourceInMemoryStorage dataSourceStorage = new DataSourceInMemoryStorage();
-    DashboardJsonDataSource jsonDataSourceUrl = new DashboardJsonDataSource("JSON Data Source (URL)");
-    jsonDataSourceUrl.JsonSource = new UriJsonSource(
-            new Uri("https://raw.githubusercontent.com/DevExpress-Examples/DataSources/master/JSON/customers.json"));
-    jsonDataSourceUrl.RootElement = "Customers";
-    dataSourceStorage.RegisterDataSource("jsonDataSourceUrl", jsonDataSourceUrl.SaveToXml());
-
-    var catalogsJsonDataSource = new DashboardJsonDataSource("Catalogs (API)")
-    {
-        ComponentName = "catalogsDataSource",
-        JsonSource = new UriJsonSource(new Uri($"{dashboardBaseUrl}/api/catalogs"))
-    };
-    dataSourceStorage.RegisterDataSource(catalogsJsonDataSource.ComponentName, catalogsJsonDataSource.SaveToXml());
-    dataSourceStorage.RegisterDataSource(catalogsJsonDataSource.Name, catalogsJsonDataSource.SaveToXml());
-
-    configurator.SetDataSourceStorage(dataSourceStorage);
-
-    EnsureDashboardInStorage(dashboardStorage, "DefaultDashboard", defaultDashboardPath);
-    EnsureDashboardInStorage(dashboardStorage, "CatalogsGrid", catalogsGridDashboardPath);
-
-    return configurator;
-});
+builder.Services.AddScoped<DashboardConfigurator>(sp =>
+    DashboardConfiguratorFactory.Create(sp, builder.Configuration, builder.Environment));
 
 var app = builder.Build();
 
@@ -159,15 +72,3 @@ app.MapHub<DashboardsHub>("/hubs/dashboards");
 app.MapControllers();
 
 app.Run();
-
-static void EnsureDashboardInStorage(IEditableDashboardStorage storage, string id, string filePath)
-{
-    var exists = storage.GetAvailableDashboardsInfo().Any(info => string.Equals(info.ID, id, StringComparison.OrdinalIgnoreCase));
-    if (exists || !File.Exists(filePath))
-    {
-        return;
-    }
-
-    var doc = XDocument.Load(filePath);
-    storage.AddDashboard(doc, id);
-}

DbFirst.Application/Catalogs/CatalogReadDto.cs

@@ -3,9 +3,9 @@ namespace DbFirst.Application.Catalogs;
 public class CatalogReadDto
 {
     public int Guid { get; set; }
-    public string CatTitle { get; set; } = null!;
-    public string CatString { get; set; } = null!;
-    public string AddedWho { get; set; } = null!;
+    public string CatTitle { get; set; } = string.Empty;
+    public string CatString { get; set; } = string.Empty;
+    public string AddedWho { get; set; } = string.Empty;
     public DateTime AddedWhen { get; set; }
     public string? ChangedWho { get; set; }
     public DateTime? ChangedWhen { get; set; }

DbFirst.Application/Catalogs/CatalogWriteDto.cs

@@ -4,7 +4,7 @@ namespace DbFirst.Application.Catalogs;
 
 public class CatalogWriteDto
 {
-    public string CatTitle { get; set; } = null!;
-    public string CatString { get; set; } = null!;
+    public string CatTitle { get; set; } = string.Empty;
+    public string CatString { get; set; } = string.Empty;
     public CatalogUpdateProcedure UpdateProcedure { get; set; } = CatalogUpdateProcedure.Update;
 }

DbFirst.Application/DbFirst.Application.csproj

@@ -9,8 +9,8 @@
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="12.0.1" />
     <PackageReference Include="AutoMapper.Extensions.Microsoft.DependencyInjection" Version="12.0.1" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.2" />
-    <PackageReference Include="MediatR.Extensions.Microsoft.DependencyInjection" Version="11.1.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="10.0.0" />
+	<PackageReference Include="MediatR" Version="14.1.0" />
   </ItemGroup>
 
   <ItemGroup>

DbFirst.Application/DependencyInjection.cs

@@ -8,7 +8,8 @@ public static class DependencyInjection
     public static IServiceCollection AddApplication(this IServiceCollection services)
     {
         services.AddAutoMapper(typeof(DependencyInjection).Assembly);
-        services.AddMediatR(typeof(DependencyInjection).Assembly);
+        services.AddMediatR(cfg =>
+    cfg.RegisterServicesFromAssembly(typeof(DependencyInjection).Assembly));
         return services;
     }
 }

DbFirst.BlazorWebApp/Models/CatalogReadDto.cs

@@ -3,9 +3,9 @@ namespace DbFirst.BlazorWebApp.Models;
 public class CatalogReadDto
 {
     public int Guid { get; set; }
-    public string CatTitle { get; set; } = null!;
-    public string CatString { get; set; } = null!;
-    public string AddedWho { get; set; } = null!;
+    public string CatTitle { get; set; } = string.Empty;
+    public string CatString { get; set; } = string.Empty;
+    public string AddedWho { get; set; } = string.Empty;
     public DateTime AddedWhen { get; set; }
     public string? ChangedWho { get; set; }
     public DateTime? ChangedWhen { get; set; }

DbFirst.BlazorWebApp/Services/ApiClientHelper.cs

@@ -1,5 +1,4 @@
 using System.Net;
-using System.Net.Http.Json;
 
 namespace DbFirst.BlazorWebApp.Services;
 

DbFirst.BlazorWebApp/Services/CatalogApiClient.cs

@@ -1,5 +1,3 @@
-using System.Net;
-using System.Net.Http.Json;
 using DbFirst.BlazorWebApp.Models;
 
 namespace DbFirst.BlazorWebApp.Services;

DbFirst.BlazorWebApp/Services/DashboardApiClient.cs

@@ -1,4 +1,3 @@
-using System.Net.Http.Json;
 using DbFirst.BlazorWebApp.Models;
 
 namespace DbFirst.BlazorWebApp.Services;

DbFirst.BlazorWebApp/Services/LayoutApiClient.cs

@@ -1,4 +1,3 @@
-using System.Net.Http.Json;
 using DbFirst.BlazorWebApp.Models;
 
 namespace DbFirst.BlazorWebApp.Services;

DbFirst.BlazorWebApp/Services/MassDataApiClient.cs

@@ -1,4 +1,3 @@
-using System.Net.Http.Json;
 using DbFirst.BlazorWebApp.Models;
 
 namespace DbFirst.BlazorWebApp.Services;

DbFirst.Domain/Entities/VwmyCatalog.cs

@@ -4,11 +4,11 @@ public partial class VwmyCatalog
 {
     public int Guid { get; set; }
 
-    public string CatTitle { get; set; } = null!;
+    public string CatTitle { get; set; } = string.Empty;
 
-    public string CatString { get; set; } = null!;
+    public string CatString { get; set; } = string.Empty;
 
-    public string AddedWho { get; set; } = null!;
+    public string AddedWho { get; set; } = string.Empty;
     
     public DateTime AddedWhen { get; set; }
 

DbFirst.Infrastructure/DbFirst.Infrastructure.csproj

@@ -15,7 +15,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.Data.SqlClient" Version="5.2.1" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.2" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="10.0.0" />
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="8.0.0" />
   </ItemGroup>
 

DbFirst.Infrastructure/Repositories/MassDataRepository.cs

@@ -20,11 +20,6 @@ public class MassDataRepository : IMassDataRepository
         return await _db.Massdata.AsNoTracking().CountAsync(cancellationToken);
     }
 
-    public async Task<List<Massdata>> GetAllAsync(CancellationToken cancellationToken = default)
-    {
-        return await _db.Massdata.AsNoTracking().ToListAsync(cancellationToken);
-    }
-
     public async Task<Massdata?> GetByCustomerNameAsync(string customerName, CancellationToken cancellationToken = default)
     {
         return await _db.Massdata.AsNoTracking()